CA2244427A1 - Remote learning system - Google Patents
Remote learning system Download PDFInfo
- Publication number
- CA2244427A1 CA2244427A1 CA002244427A CA2244427A CA2244427A1 CA 2244427 A1 CA2244427 A1 CA 2244427A1 CA 002244427 A CA002244427 A CA 002244427A CA 2244427 A CA2244427 A CA 2244427A CA 2244427 A1 CA2244427 A1 CA 2244427A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- client
- data
- facility
- television
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
- G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S706/00—Data processing: artificial intelligence
- Y10S706/902—Application using ai with detail of the ai system
- Y10S706/927—Education or instruction
Abstract
A remote learning system combines on-line service information and remote user information with a television signal designed to be received by students using multimedia personal computers. The combined signal is then transmitted to all of the students at their personal computers. At each personal computer, the received signal is separated into its component parts by a VBI modem for display or control on/off the personal computers. Each personal computer is capable of communicating back to a main server over a network such as a public telephone network. A broadcasting facility integrates the information transmitted over the network from a single student with the television signal.
Description
CA 02244427 l998-07-24 W O 97/Z7572 PCTrUS97/00871 REMOTE LEARNING SYSTEM
BACKG~QUND OF THE INVENTION
Eield of the Invention The present invention describes a system which per~its an instructor to teach one or more students at a site remote ~rom the instructor.
Description of the Related Art Instruction of students located in the same physical classroom as the instructor is an effective method of teaching because it allows a student to ask questions to both the instructor and the rest of her classmates. The instructor can give an immediate answer to the students, and can spontaneous y ask additional questions of the studen_s as the lecture progresses. In short, the instructor and the students can easily interact with each other concerning the topic of the lecture.
However, it is often necessary or desirable to teach students who for some reason are not able to meet in the same physical classroom. For example, students or instructors located at disparate physical locations may not be able to meet in one location or the number of students may be so large as to preclude fitting comfortably into one classroom.
In these situations, distant or remo~e learning systems can advantageously be employed.
One approach to teaching students at remote sites, disclosed in U.S. Patent 4,785,472, involves connecting a teaching station with a plurality of student stations over telephone lines. Both the teacher and the students have a prerecorded instructional tape and a video player to play the tape on. Tn operation, the instructo~ lectures, sends data to a computer, and controls on/off synchronization of the video players wi~h commands sent over the telephone lines.
In this manner, the instructor is able to lecture and periodically visually illustrate the lecture by showing the same section of multiple, identical video tapes to all of the SUBSTITUTE SHEET(RULE26) 1~ \ \ / l ' 1.! ' :11 1 ~ l i! " I CA 02244427 1998-0i-24 .~ ! J! I l 1 Pa~e2A
iimita~ n3 czused by a ne~ ~'o~ ( ! J ~ cons~nt ~lephone connection tc the leacking ~ite~
vid~o s~gments for each session; and ~3) a ~repared video ~ape that must be distribl~te~ to each studen~ befor~ th~ lesson b~g;ins. l~h of t~ se requirernents for a conven~onal remote learring svsl~m :~s as~c!ciated costs. ~hc most sig~ificant of which m~y be the ,elephone connection that must be connected f~r th~ c~mplc~c lesson ~ no~her con~entio.lal a~pro~ch t~ remote leaming is Lo us., person~l cor~pulers cuttitted with a mode,n such that all cornmunicatior~ is over public [el~phc)ne li~es. lhis ~)proach is inih31l~ ad~antageous becauie thc setup e~ st is lo~; onc~ i~ use. however, Llle phone cor!nect tim~ ch~es ear. be prohibitively expsrlsi~e.
Additio~,aliy, il ispresently d;ffic~tto send video signals with the limited bandwidth availabl~ with tc~ 's telephone iines and mod~ms. Furt~er, pr~posals to use wide bandwidth telephor:.e lines for such video transrr.i3sion will incre~se f~lr~her Lhe CCSt5 r~quired lo use such ~ropose:~ s~ stems.
Still ar~other cor.~ en~ior~ approzeh tv r mot~ leaming is described in ~nternational Pa~ent Applicalion P! blication WO !~5i7~8~4 to ~ er ct al.~ ~rhi~h is directed to ~ dis~ar.ce learnin~;
s~stem i.~ which a lecture is broadcast LC) a plurality of srud~nls. ~en the ir~s~r~lc~or ~sks a ~ue~tion, he srudcms respond ~it~ one of a variet~ of diff~rer.t possi~ie al~wers An ~sserted feat~ of ~rpcr et al. is thzt eaeh stu~ent's ans~er is arlal~zed, and i~e-dback ~ilor~d .o the ~nswer i., imrneci~tel~, forwarded tc the s~llden.. To ~enerate the persona!l~d response:" Har;~e~
t ~1. disclo~os having ~he ir.structor Fre-recor~ ~ pluraliL~ of di~eren~ responses base~ on anticipated ~ns~ers t~ the questions posed. The pre-reccrded resporlse for e~ch student that is most ~ppropriate to th~ 3~udents answer is then selected.
~ CA 02244427 1998-07-24 P~e ~B
~ h~ systom o~Harper et ~1. s,l~ers m~n~ of the disadvan~ges aiscussea ~hove i;
CGnneCtiOn ~vith other conventional syst~ms. In p~rticul;~r~ cach student must be const~u~tl~
connec~d to rheln5tru"t~rs~itein o.de~ for t~e in~tructor t~ recei~ c fi~b cL; from th~ stuàe:lts Fu~h~r, H~er etah,u~ e~e'~adih~r~ cla5srcom mode~, does not ~pp~ar to àisclose or sugg~st ailo~inv stll~enl con~mo?~tc ~r queslions to ~e immediate.~ appreciated i~y all ~e ather ac~i~e sttld~..ts.
SIJI~M,~R" OF 1~ E~'T~O~
It is ~erefore ~n obje~t of the present in~_ntio~ lo add~e~s tlle lirtlita,iorLs of ~he prior art rcmote le~ing sys;ems. It is a fi~rther obj~ct of ~he present in~. ent,~n to pro~ide a remo~e educational system that provides a ~isual and, when appropriate audio presen~atlon, for students"
inc]uding~ for exarnple, pictures of the instructor ~.hile allowing the studcms ~o ~asily int~ract with the ins~ructor arld with eacrl other.
It is,a fi~ller o~ject .~'the prosent invention ~o provide a remct:e ~ducational 5~srem tha~
is IG~ ccst for the s~ud~nt, both ir. t~rms of tne ~nitia! h2.~ware and softw~r~ . equir~d and in the da~-to <ia~ operation.
l~he advanta .ec. 2nd purpose of the in~e~nticn ~ill be set forth in part in Llle desorip ion whicn f.~llvws, and in part w:il be ob~Jious from th~ description, or ma~ be learned by pra~t~ce ot The advantages and purpose of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The advantages and purpose of the ~ invention will be realized and attained by means of the elements and combinations particularly pointed out in the appended claims.
To attain the advantages and in accordance with the purpose of the invention, as embodied and broadly describeà herein, the invention comprises a system for remote communication between a host and a client, comprising a host facility for integrating data to be supplied to the client into vertical blanking intervals of a television signal and bro2dcasting the integrated television signal. A client receives the broadcasted integrated television signal and separates the integrated television signal into a standard television signal and the to-be-supplied data. Finally, the client transmits information to the host facility by connecting to a network linked with the host facility.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
BRIFF DESCRIPTION OF THE DRA~INGS
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and together with the description, serve to explain the principles of the invention. In the drawings, Fig. 1 is an illustration of the distance le~rning system according to an embodiment of the present -nvention;
Fig. 2 is a block diagram of an exemplary mu'_imedia PC
as used in an embodiment of the present invention;
S~ TE SHEET(RULE26~
CA 02244427 l998-07-24 WO 97/27572 PCT~US97/00871 Fig. 3 is a diagram illustrating the integration of the display data and presentation data according to an embodiment of the present invention;
Fig. 4 is an exemplary display of the user interface presented by the software according to an embodiment of the present invention;
Fig. 5 illustrates one of the multimedia PCs used in an embodiment of the present invention; and Figs. 6A and 6B are a flow chart illustrating the system operation according to an embodiment of the present invention.
Reference will now be made in detail to the present preferred embodiment cf the invention, an example of which is illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
DESC~IPTION ~F THE PREFERRED E~BODI~T
A remote, or distance learning system is disclosed which combines on-line service information with a television signal designe~ to be received by students using a multimedia personal computer. Each personal computer is capable of communicating back to a server over a network, such as a public telephone network. The broadcasting facility then integrates the information transmitted over the network from a single student with the television signal, such that all the personal computer users (e.g., students) can see the information without having to connect to the network. The server may also integrate information originating at the server for trans~.;ittal to the students' personal computers.
In Fig. 1, ~he distance learning system (DLS) 100 according to the preferred embodiment comprises a broadcasting antenna 102 for broadcasting information, such as an instructioral presentation, to a plurality of multimedia personal computers (PCs) 106 located at sites SUBSTITUTESHEET(RULE26) W 097/27572 PCT~US97/00871 distant from the antenna 102. The antenna 102 could equivalently be replaced by a cable television link. A
broadcasting facility 110, and server 104 are coupled IO the antenna 102 and generate the signals to be broadcast by the antenna 102. A network 108, such as a public telephone network, is used to transmit data between the PCs 106 and the server 104. Although in the preferred embodiment the network 108 is a public telephone network, it could equiva.lently be any wide area network or combination thereof.
Reference will now be made to Fig. 2 to describe an exemplary embodiment o~ one of the PCs 106. Television tuner card/vertical blanking interval (VBI) modem 208 receives the television signal transmitted from the antenna 102. The television tuner card/VBI modem 208 may preferably be any of a number of suitable commercially available products, such as, for example, the Malachi, manufactured by En Technology Corporation. The television signal received at the tuner card/VBI modem 208 is provided to the on-line operating module 212 as presentation data and display data.
Presentation data is the real-time audio-video data recorded by the instructor whereas display data is data that, for example, de_ines actions of the students. The on-line operating module 212 controls a modem 210 and display area 216 of the PC's monitor 214. Further, the on-line operating module 212 manages information input from the user of PC 106 using input devices such as a mouse, a pen writing tablet, or a keyboard.
Fig. 5 lllustrates an exemplary one of the multimedia PCs 106. Ir the preferred embodiment, PC 106 is a multimedia personal computer operating with the 80X86 compatible architecture and a gra~hical or windows based operating system. However, as would be recognized by one of ordinary skill in the art, many other suitable computer architectures and operating systems could be equivalently used.
SUBSTITUTESHEET(RULE26) W O 97/27~72 PCT~S97/00871 .. 6 PC housing 500 of PC 106 holds the majority of the PC's operating hardware. Housing 500 may hold, for example, the main processor, a hard disk drive, a floppy disk drive, fast access volatile memory, and CD ROM drive. Either connected to or integrated within housing 500 are a variety of input devices such as keyboard 506, mouse 502, and touch pad or pen writing tablet 504. PC 106 may also include speakers 508 and monitor 214, used to output audio and visual information, respectively. Modem 210, for sending or receiving digital data over phone lines, is electrically connected to housing 500. Television tuner/VBI modem 208, for re~eiving a modified standard television signal, is also electrically connected IO housing 500. Both modem 210 and tuner/VBI ~odem 208 may alternately be implemented as computer (or printed circuit) boards installed within the housing 500.
The invention will be further clarified ~y the following operational description, which is intended to be exemplary of the invention. In a typical remote learning session according to the present invention, an instructor, located at the host site 112, teaches students, each located at one of the PCs 106. The lecture information in the form of an audio-visual feed ~rom the instructor, called presentation data, is broadcast through a television signal by antenna 102 to the PCs 106. In addition to the presentation data, data to be used to control the on-line operating module 212, called display data, is embedded within the television signal being broadcast to the PCs 106. Frequently, the display data describes updates to be made to the students' displays.
Fig. 3 illustrates the integration function of the presentation data with the display data, performed at the host 112. Dresentation data to be~integrated may include a live or taped audio-visual feed of the lecture. Display data to be integrated may include data entered by either-the instructor or one of the students. Display data entered by a student is transmitted to the host 112 th~ough network 108 SU~STITUTESHEET(RULE2~) CA 02244427 l998-07-24 WO 97/Z7572 PCTrUS97/00871 uslng the student's moc~em 210 before it is integrated. The actual integration operation is performed by integrator 300, which receives the display data and presentation data and integrates them into a single output signal 302. The output signal 302 comprises a standard television signal of the presentation data modified by inserting the display data into the television signal's vertical blanking intervals. The output signal 302 is transmitted to the broadcasting facility 110 and antenna 102 for broadcasting to the PCs 106.
All the display data at the server does not have to be integrated by the integrator 300. Optlonally, if the server is to send data to only one, or only a few students, and a live modem connection exists between those students, the server may send the display data directly over the live modem connection.
At each PC 106, tuner card/VBI modem 208 receives the transmitted output signal 302 and reads the display data from the vertical blanking interval of the television signal. The separated presentation and display data signals are then transferred to the on-line operating module 212.
The on-line operating module 212 manages the user interface 216 and transfers the output display data over modem 210 to server 104 via networl~ 108. A typical display on the user interface 216 is shown in more detail in Fig. 4.
The operation of the on-line operating module 212 in relation to Fig. 4 will be desc~ibed next.
Fig. 4 is an exemplary display of the interface screen presented by the on-line operating module 212 to the user. A
similar interface screen would be presented to the instructor at the host 112. The ~'nree main sections of the inter~ace screen are the instructor presentation section 400, the chalkboard section 402, and the typing/bulletin board section 404.
In the instructor presentation section 400, a real-time rendering of the telev~sion presentation data is displayed.
SU~~ JTE SHEET(RULE 26) CA 02244427 l998-07-24 Typically, this would be a display of the instructor and/or his instructionai materials during a lecture. An audio signal corresponding to the instructor's presentation may be simultaneously output to the speakers 508. The chalkboard section 402 is an interactive chalkboard that can be written on by either the instructor or the students. Typically, a computer mouse, ~ouch pad, and/or pen writing pad is used to write on the chalkboard ~02. Information written on the chalkboard 402 by the instructor is integrated into the television signal as display data at the host 212, by the integrator 300, and transmitted to the PCs 106, where it is subsequently separated by the tuner card/VBI mode~ 208 from the television signal and dispiayed on the students' chalkboards 402.
A flow char~ of the decision sequence initiated when a student writes information to her chalkboard 402 for viewing by the instructcr and the other students is shown in Fig. 6.
When information is written on the chalkboard by the student, step 600, it is transmitted as display data by the student's mode~ 210 to the server 104 in step 606. If in step 602 it is determined that the modem is not connected to the public telephone networ~, step 604 is executed, connecting the modem 210 to the network. If a predetermined perlod o~ time elapses with no ~ransmission by the modem and the software is in a "toll-savin~" mode, modem 210 will automatically be disconnected frc~ the telephone network. In the "toll-saving" mode, connections to the server are temporary and end after a predetermined period of time. If a connection has been ended and t:~e student subsequently per orms actions which require crnnection to the server, the client pro~ram transparently re-establishes the connection.
In step 60~, the display data received by the server is written onto the server chalkboard. Next, the display data is integrated w_-h the instructor television. signal, step 610, and the in_egrated output signal 302 s broadcast, step SlJ~:i 1 1 1 UTE SHEET (RULE 2B) CA 02244427 l998-07-24 W O 97/27~72 PCTrUS97tOO871 612. The integrated output signal 302 is then received at the students' PCs, step 61~, and separated by the tuner/VBI
modem 512 in step 616. The separated display data is received by the on-line operating module 212. Finally, the on-line operating module 212 judges whether the display data is the same display data that was previously entered and transmitted from the host PC. If it is not the same display data, the chalkboard 402 is updated with this new display data ln step 620. If it is the same display data, the chalkboard 402 is not updated.
Although the above example was illustrated using a general broadcast of the display data, that is, the display data was received and displayed on all the PCs 106, more selective broadcasting functions can be utilized. In particular, the student or instructor writing on the chalkboard may elect for her message to be displayed on only a selected set of the other PCs. To do this, the user selects, preferably using a menu system, whom her message is to be sent to. This selection information is transmitted with the display data. At the receiving PC, an additional judgment is made at step 619, namely, the PC determines whether the message was addressed for display to that particular user. If it is determined that it was intended for that user, the message is displayed, otherwise, the message is ignored by the on-line operating module 212.
Typing/bulletin board section 216 of the user interface is used by the students and the instructor as an interactive "chat" area in which messages can be quickly typed and transmitted to other users. Here, after a line of text 406 is entered by a student or the instructor, it is converted into display data by the on-line operating module 212 and transmitted to the other users in the same manner that information entered on the chalkboard is transmitted. That is, the text is transmitted to the host 112, integrated into the television signal by the integrator 300, and broadcast to SUBSTITUTESHEET(RULE26) W O 97/27~72 PCTAUS97/00871 the PCs 106. Similar to the chalkboard informatian, a~ser may also address the messages sent to a limited set of users, allowing for more personal messages.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiment of the present invention and in construction of this invention without departing from the scope or spirit of the invention. As an example, the disclosed invention is not limited to remote classroom instruction with an instructor lecturing to students. Indeed, a bulletin board and on-line service has been constructed using the concepts disclosed in the present invention. The bulletin board and on-line service transmits most of the general bullitin board data to the users using a high bandwidth, low reception cost signal such as a television signal. The users transmit their data using a lower bandwidth network such a public telephone network. Although all the users receive a single transmission signal from the bulletin board, the user's local software only displays the information intended for that user. Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the inventlon disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the invention being indicated by the following claims.
SurS~ 1 1 1 UTE SHEET (RULE 26)
BACKG~QUND OF THE INVENTION
Eield of the Invention The present invention describes a system which per~its an instructor to teach one or more students at a site remote ~rom the instructor.
Description of the Related Art Instruction of students located in the same physical classroom as the instructor is an effective method of teaching because it allows a student to ask questions to both the instructor and the rest of her classmates. The instructor can give an immediate answer to the students, and can spontaneous y ask additional questions of the studen_s as the lecture progresses. In short, the instructor and the students can easily interact with each other concerning the topic of the lecture.
However, it is often necessary or desirable to teach students who for some reason are not able to meet in the same physical classroom. For example, students or instructors located at disparate physical locations may not be able to meet in one location or the number of students may be so large as to preclude fitting comfortably into one classroom.
In these situations, distant or remo~e learning systems can advantageously be employed.
One approach to teaching students at remote sites, disclosed in U.S. Patent 4,785,472, involves connecting a teaching station with a plurality of student stations over telephone lines. Both the teacher and the students have a prerecorded instructional tape and a video player to play the tape on. Tn operation, the instructo~ lectures, sends data to a computer, and controls on/off synchronization of the video players wi~h commands sent over the telephone lines.
In this manner, the instructor is able to lecture and periodically visually illustrate the lecture by showing the same section of multiple, identical video tapes to all of the SUBSTITUTE SHEET(RULE26) 1~ \ \ / l ' 1.! ' :11 1 ~ l i! " I CA 02244427 1998-0i-24 .~ ! J! I l 1 Pa~e2A
iimita~ n3 czused by a ne~ ~'o~ ( ! J ~ cons~nt ~lephone connection tc the leacking ~ite~
vid~o s~gments for each session; and ~3) a ~repared video ~ape that must be distribl~te~ to each studen~ befor~ th~ lesson b~g;ins. l~h of t~ se requirernents for a conven~onal remote learring svsl~m :~s as~c!ciated costs. ~hc most sig~ificant of which m~y be the ,elephone connection that must be connected f~r th~ c~mplc~c lesson ~ no~her con~entio.lal a~pro~ch t~ remote leaming is Lo us., person~l cor~pulers cuttitted with a mode,n such that all cornmunicatior~ is over public [el~phc)ne li~es. lhis ~)proach is inih31l~ ad~antageous becauie thc setup e~ st is lo~; onc~ i~ use. however, Llle phone cor!nect tim~ ch~es ear. be prohibitively expsrlsi~e.
Additio~,aliy, il ispresently d;ffic~tto send video signals with the limited bandwidth availabl~ with tc~ 's telephone iines and mod~ms. Furt~er, pr~posals to use wide bandwidth telephor:.e lines for such video transrr.i3sion will incre~se f~lr~her Lhe CCSt5 r~quired lo use such ~ropose:~ s~ stems.
Still ar~other cor.~ en~ior~ approzeh tv r mot~ leaming is described in ~nternational Pa~ent Applicalion P! blication WO !~5i7~8~4 to ~ er ct al.~ ~rhi~h is directed to ~ dis~ar.ce learnin~;
s~stem i.~ which a lecture is broadcast LC) a plurality of srud~nls. ~en the ir~s~r~lc~or ~sks a ~ue~tion, he srudcms respond ~it~ one of a variet~ of diff~rer.t possi~ie al~wers An ~sserted feat~ of ~rpcr et al. is thzt eaeh stu~ent's ans~er is arlal~zed, and i~e-dback ~ilor~d .o the ~nswer i., imrneci~tel~, forwarded tc the s~llden.. To ~enerate the persona!l~d response:" Har;~e~
t ~1. disclo~os having ~he ir.structor Fre-recor~ ~ pluraliL~ of di~eren~ responses base~ on anticipated ~ns~ers t~ the questions posed. The pre-reccrded resporlse for e~ch student that is most ~ppropriate to th~ 3~udents answer is then selected.
~ CA 02244427 1998-07-24 P~e ~B
~ h~ systom o~Harper et ~1. s,l~ers m~n~ of the disadvan~ges aiscussea ~hove i;
CGnneCtiOn ~vith other conventional syst~ms. In p~rticul;~r~ cach student must be const~u~tl~
connec~d to rheln5tru"t~rs~itein o.de~ for t~e in~tructor t~ recei~ c fi~b cL; from th~ stuàe:lts Fu~h~r, H~er etah,u~ e~e'~adih~r~ cla5srcom mode~, does not ~pp~ar to àisclose or sugg~st ailo~inv stll~enl con~mo?~tc ~r queslions to ~e immediate.~ appreciated i~y all ~e ather ac~i~e sttld~..ts.
SIJI~M,~R" OF 1~ E~'T~O~
It is ~erefore ~n obje~t of the present in~_ntio~ lo add~e~s tlle lirtlita,iorLs of ~he prior art rcmote le~ing sys;ems. It is a fi~rther obj~ct of ~he present in~. ent,~n to pro~ide a remo~e educational system that provides a ~isual and, when appropriate audio presen~atlon, for students"
inc]uding~ for exarnple, pictures of the instructor ~.hile allowing the studcms ~o ~asily int~ract with the ins~ructor arld with eacrl other.
It is,a fi~ller o~ject .~'the prosent invention ~o provide a remct:e ~ducational 5~srem tha~
is IG~ ccst for the s~ud~nt, both ir. t~rms of tne ~nitia! h2.~ware and softw~r~ . equir~d and in the da~-to <ia~ operation.
l~he advanta .ec. 2nd purpose of the in~e~nticn ~ill be set forth in part in Llle desorip ion whicn f.~llvws, and in part w:il be ob~Jious from th~ description, or ma~ be learned by pra~t~ce ot The advantages and purpose of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The advantages and purpose of the ~ invention will be realized and attained by means of the elements and combinations particularly pointed out in the appended claims.
To attain the advantages and in accordance with the purpose of the invention, as embodied and broadly describeà herein, the invention comprises a system for remote communication between a host and a client, comprising a host facility for integrating data to be supplied to the client into vertical blanking intervals of a television signal and bro2dcasting the integrated television signal. A client receives the broadcasted integrated television signal and separates the integrated television signal into a standard television signal and the to-be-supplied data. Finally, the client transmits information to the host facility by connecting to a network linked with the host facility.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
BRIFF DESCRIPTION OF THE DRA~INGS
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and together with the description, serve to explain the principles of the invention. In the drawings, Fig. 1 is an illustration of the distance le~rning system according to an embodiment of the present -nvention;
Fig. 2 is a block diagram of an exemplary mu'_imedia PC
as used in an embodiment of the present invention;
S~ TE SHEET(RULE26~
CA 02244427 l998-07-24 WO 97/27572 PCT~US97/00871 Fig. 3 is a diagram illustrating the integration of the display data and presentation data according to an embodiment of the present invention;
Fig. 4 is an exemplary display of the user interface presented by the software according to an embodiment of the present invention;
Fig. 5 illustrates one of the multimedia PCs used in an embodiment of the present invention; and Figs. 6A and 6B are a flow chart illustrating the system operation according to an embodiment of the present invention.
Reference will now be made in detail to the present preferred embodiment cf the invention, an example of which is illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.
DESC~IPTION ~F THE PREFERRED E~BODI~T
A remote, or distance learning system is disclosed which combines on-line service information with a television signal designe~ to be received by students using a multimedia personal computer. Each personal computer is capable of communicating back to a server over a network, such as a public telephone network. The broadcasting facility then integrates the information transmitted over the network from a single student with the television signal, such that all the personal computer users (e.g., students) can see the information without having to connect to the network. The server may also integrate information originating at the server for trans~.;ittal to the students' personal computers.
In Fig. 1, ~he distance learning system (DLS) 100 according to the preferred embodiment comprises a broadcasting antenna 102 for broadcasting information, such as an instructioral presentation, to a plurality of multimedia personal computers (PCs) 106 located at sites SUBSTITUTESHEET(RULE26) W 097/27572 PCT~US97/00871 distant from the antenna 102. The antenna 102 could equivalently be replaced by a cable television link. A
broadcasting facility 110, and server 104 are coupled IO the antenna 102 and generate the signals to be broadcast by the antenna 102. A network 108, such as a public telephone network, is used to transmit data between the PCs 106 and the server 104. Although in the preferred embodiment the network 108 is a public telephone network, it could equiva.lently be any wide area network or combination thereof.
Reference will now be made to Fig. 2 to describe an exemplary embodiment o~ one of the PCs 106. Television tuner card/vertical blanking interval (VBI) modem 208 receives the television signal transmitted from the antenna 102. The television tuner card/VBI modem 208 may preferably be any of a number of suitable commercially available products, such as, for example, the Malachi, manufactured by En Technology Corporation. The television signal received at the tuner card/VBI modem 208 is provided to the on-line operating module 212 as presentation data and display data.
Presentation data is the real-time audio-video data recorded by the instructor whereas display data is data that, for example, de_ines actions of the students. The on-line operating module 212 controls a modem 210 and display area 216 of the PC's monitor 214. Further, the on-line operating module 212 manages information input from the user of PC 106 using input devices such as a mouse, a pen writing tablet, or a keyboard.
Fig. 5 lllustrates an exemplary one of the multimedia PCs 106. Ir the preferred embodiment, PC 106 is a multimedia personal computer operating with the 80X86 compatible architecture and a gra~hical or windows based operating system. However, as would be recognized by one of ordinary skill in the art, many other suitable computer architectures and operating systems could be equivalently used.
SUBSTITUTESHEET(RULE26) W O 97/27~72 PCT~S97/00871 .. 6 PC housing 500 of PC 106 holds the majority of the PC's operating hardware. Housing 500 may hold, for example, the main processor, a hard disk drive, a floppy disk drive, fast access volatile memory, and CD ROM drive. Either connected to or integrated within housing 500 are a variety of input devices such as keyboard 506, mouse 502, and touch pad or pen writing tablet 504. PC 106 may also include speakers 508 and monitor 214, used to output audio and visual information, respectively. Modem 210, for sending or receiving digital data over phone lines, is electrically connected to housing 500. Television tuner/VBI modem 208, for re~eiving a modified standard television signal, is also electrically connected IO housing 500. Both modem 210 and tuner/VBI ~odem 208 may alternately be implemented as computer (or printed circuit) boards installed within the housing 500.
The invention will be further clarified ~y the following operational description, which is intended to be exemplary of the invention. In a typical remote learning session according to the present invention, an instructor, located at the host site 112, teaches students, each located at one of the PCs 106. The lecture information in the form of an audio-visual feed ~rom the instructor, called presentation data, is broadcast through a television signal by antenna 102 to the PCs 106. In addition to the presentation data, data to be used to control the on-line operating module 212, called display data, is embedded within the television signal being broadcast to the PCs 106. Frequently, the display data describes updates to be made to the students' displays.
Fig. 3 illustrates the integration function of the presentation data with the display data, performed at the host 112. Dresentation data to be~integrated may include a live or taped audio-visual feed of the lecture. Display data to be integrated may include data entered by either-the instructor or one of the students. Display data entered by a student is transmitted to the host 112 th~ough network 108 SU~STITUTESHEET(RULE2~) CA 02244427 l998-07-24 WO 97/Z7572 PCTrUS97/00871 uslng the student's moc~em 210 before it is integrated. The actual integration operation is performed by integrator 300, which receives the display data and presentation data and integrates them into a single output signal 302. The output signal 302 comprises a standard television signal of the presentation data modified by inserting the display data into the television signal's vertical blanking intervals. The output signal 302 is transmitted to the broadcasting facility 110 and antenna 102 for broadcasting to the PCs 106.
All the display data at the server does not have to be integrated by the integrator 300. Optlonally, if the server is to send data to only one, or only a few students, and a live modem connection exists between those students, the server may send the display data directly over the live modem connection.
At each PC 106, tuner card/VBI modem 208 receives the transmitted output signal 302 and reads the display data from the vertical blanking interval of the television signal. The separated presentation and display data signals are then transferred to the on-line operating module 212.
The on-line operating module 212 manages the user interface 216 and transfers the output display data over modem 210 to server 104 via networl~ 108. A typical display on the user interface 216 is shown in more detail in Fig. 4.
The operation of the on-line operating module 212 in relation to Fig. 4 will be desc~ibed next.
Fig. 4 is an exemplary display of the interface screen presented by the on-line operating module 212 to the user. A
similar interface screen would be presented to the instructor at the host 112. The ~'nree main sections of the inter~ace screen are the instructor presentation section 400, the chalkboard section 402, and the typing/bulletin board section 404.
In the instructor presentation section 400, a real-time rendering of the telev~sion presentation data is displayed.
SU~~ JTE SHEET(RULE 26) CA 02244427 l998-07-24 Typically, this would be a display of the instructor and/or his instructionai materials during a lecture. An audio signal corresponding to the instructor's presentation may be simultaneously output to the speakers 508. The chalkboard section 402 is an interactive chalkboard that can be written on by either the instructor or the students. Typically, a computer mouse, ~ouch pad, and/or pen writing pad is used to write on the chalkboard ~02. Information written on the chalkboard 402 by the instructor is integrated into the television signal as display data at the host 212, by the integrator 300, and transmitted to the PCs 106, where it is subsequently separated by the tuner card/VBI mode~ 208 from the television signal and dispiayed on the students' chalkboards 402.
A flow char~ of the decision sequence initiated when a student writes information to her chalkboard 402 for viewing by the instructcr and the other students is shown in Fig. 6.
When information is written on the chalkboard by the student, step 600, it is transmitted as display data by the student's mode~ 210 to the server 104 in step 606. If in step 602 it is determined that the modem is not connected to the public telephone networ~, step 604 is executed, connecting the modem 210 to the network. If a predetermined perlod o~ time elapses with no ~ransmission by the modem and the software is in a "toll-savin~" mode, modem 210 will automatically be disconnected frc~ the telephone network. In the "toll-saving" mode, connections to the server are temporary and end after a predetermined period of time. If a connection has been ended and t:~e student subsequently per orms actions which require crnnection to the server, the client pro~ram transparently re-establishes the connection.
In step 60~, the display data received by the server is written onto the server chalkboard. Next, the display data is integrated w_-h the instructor television. signal, step 610, and the in_egrated output signal 302 s broadcast, step SlJ~:i 1 1 1 UTE SHEET (RULE 2B) CA 02244427 l998-07-24 W O 97/27~72 PCTrUS97tOO871 612. The integrated output signal 302 is then received at the students' PCs, step 61~, and separated by the tuner/VBI
modem 512 in step 616. The separated display data is received by the on-line operating module 212. Finally, the on-line operating module 212 judges whether the display data is the same display data that was previously entered and transmitted from the host PC. If it is not the same display data, the chalkboard 402 is updated with this new display data ln step 620. If it is the same display data, the chalkboard 402 is not updated.
Although the above example was illustrated using a general broadcast of the display data, that is, the display data was received and displayed on all the PCs 106, more selective broadcasting functions can be utilized. In particular, the student or instructor writing on the chalkboard may elect for her message to be displayed on only a selected set of the other PCs. To do this, the user selects, preferably using a menu system, whom her message is to be sent to. This selection information is transmitted with the display data. At the receiving PC, an additional judgment is made at step 619, namely, the PC determines whether the message was addressed for display to that particular user. If it is determined that it was intended for that user, the message is displayed, otherwise, the message is ignored by the on-line operating module 212.
Typing/bulletin board section 216 of the user interface is used by the students and the instructor as an interactive "chat" area in which messages can be quickly typed and transmitted to other users. Here, after a line of text 406 is entered by a student or the instructor, it is converted into display data by the on-line operating module 212 and transmitted to the other users in the same manner that information entered on the chalkboard is transmitted. That is, the text is transmitted to the host 112, integrated into the television signal by the integrator 300, and broadcast to SUBSTITUTESHEET(RULE26) W O 97/27~72 PCTAUS97/00871 the PCs 106. Similar to the chalkboard informatian, a~ser may also address the messages sent to a limited set of users, allowing for more personal messages.
It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiment of the present invention and in construction of this invention without departing from the scope or spirit of the invention. As an example, the disclosed invention is not limited to remote classroom instruction with an instructor lecturing to students. Indeed, a bulletin board and on-line service has been constructed using the concepts disclosed in the present invention. The bulletin board and on-line service transmits most of the general bullitin board data to the users using a high bandwidth, low reception cost signal such as a television signal. The users transmit their data using a lower bandwidth network such a public telephone network. Although all the users receive a single transmission signal from the bulletin board, the user's local software only displays the information intended for that user. Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the inventlon disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the invention being indicated by the following claims.
SurS~ 1 1 1 UTE SHEET (RULE 26)
Claims (19)
1. A system for remote communication, comprising:
a facility (112) for integrating data into vertical blanket intervals of a television signal and a broadcasting the integrated television signal; and a client (106) for receiving the broadcasted integrated television signal and for separating the integrated television signal into a standard television signal and to-be-supplied data;
wherein the client transmits information to the host facility by connecting to a network (108) linked with the host facility and the client connects to the network only when the information is present at the client and disconnects from the network when the information has been transmitted to the host, whereby the amount of time spent on the network is reduced.
a facility (112) for integrating data into vertical blanket intervals of a television signal and a broadcasting the integrated television signal; and a client (106) for receiving the broadcasted integrated television signal and for separating the integrated television signal into a standard television signal and to-be-supplied data;
wherein the client transmits information to the host facility by connecting to a network (108) linked with the host facility and the client connects to the network only when the information is present at the client and disconnects from the network when the information has been transmitted to the host, whereby the amount of time spent on the network is reduced.
2. The system of claim 1, wherein the disconnecting occurs after a predetermined time of inactivity after the information has been transmitted to the host.
3. The system of claim 2, wherein the network is a public telephone network.
4. The system of claim 2, wherein the network is a wide area network.
5. The system of claim 3, wherein the client connects to the public telephone network with a modem.
6. The system of claim 2, wherein the client further comprises a tuner card (208) for separating the integrated television signal.
7. The system of claim 6, wherein the client further comprises a monitor (214) for displaying a representation of the television signal and the to-be-supplied data in separate areas of the monitor.
8. An interactive system for remote educational instruction between an instructor and a plurality of students, the system comprising:
a host facility for integrating a continuous signal of images and sounds with a digital data signal into a television signal, the host facility broadcasting the television signal and receiving data defining actions of the plurality of students;
a plurality of remote multimedia computers each comprising:
a television tuner card for receiving the television signal and converting the television signal into a digital video signal for display on a first section of a monitor of the computer, an audio signal for transmission to a speaker of the computer, and the digital data signal, at least part of the digital data signal being sent for display on a second section of the monitor;
a modem for transmitting the data defining actions of a student to the host broadcasting facility over public phone lines;
wherein the host facility receives the data defining actions of the students from at least one of the plurality of multimedia computers and converts the data defining actions of the students into the digital data signal for subsequent integration into the television signal and broadcasting of the television signal.
a host facility for integrating a continuous signal of images and sounds with a digital data signal into a television signal, the host facility broadcasting the television signal and receiving data defining actions of the plurality of students;
a plurality of remote multimedia computers each comprising:
a television tuner card for receiving the television signal and converting the television signal into a digital video signal for display on a first section of a monitor of the computer, an audio signal for transmission to a speaker of the computer, and the digital data signal, at least part of the digital data signal being sent for display on a second section of the monitor;
a modem for transmitting the data defining actions of a student to the host broadcasting facility over public phone lines;
wherein the host facility receives the data defining actions of the students from at least one of the plurality of multimedia computers and converts the data defining actions of the students into the digital data signal for subsequent integration into the television signal and broadcasting of the television signal.
9. The remote education system of claim 8, wherein when one of the multimedia computers receives digital data corresponding to the data defining student actions transmitted from the modem of that multimedia computer, the multimedia computer cancels the sending for display to the second section of the monitor.
10. The remote education system of claim 8, wherein the continuous signal of images and sounds represents a presentation of the instructor.
11. The remote education system of claim 8, wherein the host receives the data defining actions of the plurality of students over public phone lines.
12. A method for remote communication between a host facility and a plurality of client facilities, the method comprising:
broadcasting a signal compatible with a television signal at the host facility to the plurality of client facilities;
continuously receiving the television compatible signal at the plurality of client facilities, the television compatible signal containing data defining actions of at least one of the client facilities;
wherein each of the client facilities connects to a network to transmit to the host facility when the data defining the client actions is present at each said client facility, and disconnecting from the network when the data defining the client actions at each said facility has been transmitted to the host facility.
broadcasting a signal compatible with a television signal at the host facility to the plurality of client facilities;
continuously receiving the television compatible signal at the plurality of client facilities, the television compatible signal containing data defining actions of at least one of the client facilities;
wherein each of the client facilities connects to a network to transmit to the host facility when the data defining the client actions is present at each said client facility, and disconnecting from the network when the data defining the client actions at each said facility has been transmitted to the host facility.
13. The method of claim 12, wherein the network is a public telephone network.
14. The method of claim 12, wherein the network is a wide area network.
15. The method of claim 12, wherein the television signal is broadcast over cable television lines.
16. The method of claim 12, wherein the television signal is broadcast through the atmosphere.
17. A method for remote communication between a host facility broadcasting a signal compatible with a television signal and a plurality of client facilities, the method comprising:
continuously receiving the television compatible signal at the plurality of client facilities, the television compatible signal containing first data defining actions of at least one of the client facilities;
connecting each of the client facilities to a network to transmit to the host facility when second data originating at said client facility and defining actions at said client facility is present at said client facility, and disconnecting from the network when the second data defining actions at said client facility has been transmitted to the host facility.
continuously receiving the television compatible signal at the plurality of client facilities, the television compatible signal containing first data defining actions of at least one of the client facilities;
connecting each of the client facilities to a network to transmit to the host facility when second data originating at said client facility and defining actions at said client facility is present at said client facility, and disconnecting from the network when the second data defining actions at said client facility has been transmitted to the host facility.
18. A method for remote communication between a host facility (112) and a client facility (106), the client facility having a multimedia computer (500) including a television tuner card (208) and a modem (210), the method comprising the steps of:
receiving a first data signal at the host facility (112), the first data signal being transmitted by the client facilities modem (210) and defining actions of the client facility (106);
generating a second data signal at the host facility (112), the second data signal being compatible with a television signal and representing an educational presentation by an instructor;
generating a third data signal at the host facility (112), the third data signal defining control instructions for the client facility (106);
integrating said first data signal, said second data signal, and said third data signal at said host facility such that said integrated signal is compatible with a television signal;
transmitting said integrated signal to said tuner card (208) of the client facility (106).
receiving a first data signal at the host facility (112), the first data signal being transmitted by the client facilities modem (210) and defining actions of the client facility (106);
generating a second data signal at the host facility (112), the second data signal being compatible with a television signal and representing an educational presentation by an instructor;
generating a third data signal at the host facility (112), the third data signal defining control instructions for the client facility (106);
integrating said first data signal, said second data signal, and said third data signal at said host facility such that said integrated signal is compatible with a television signal;
transmitting said integrated signal to said tuner card (208) of the client facility (106).
19. A method for running an on-line bulletin board between a host (112) and a plurality of client facilities (106), the method comprising:
continuously transmitting a television compatible signal to the plurality of client facilities (106), the television compatible signal containing first data defining general bulletin board information, and second data defining information specific to a selected one or more of the client facilities (106);
intermittently receiving third data from the client facilities (106) defining actions at said client facilities (106);
integrating a portion of the received third data into the television compatible signal as the first data or second data for transmission to the plurality of client facilities (106).
continuously transmitting a television compatible signal to the plurality of client facilities (106), the television compatible signal containing first data defining general bulletin board information, and second data defining information specific to a selected one or more of the client facilities (106);
intermittently receiving third data from the client facilities (106) defining actions at said client facilities (106);
integrating a portion of the received third data into the television compatible signal as the first data or second data for transmission to the plurality of client facilities (106).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/590,640 US5833468A (en) | 1996-01-24 | 1996-01-24 | Remote learning system using a television signal and a network connection |
US08/590,640 | 1996-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2244427A1 true CA2244427A1 (en) | 1997-07-31 |
Family
ID=24363042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002244427A Abandoned CA2244427A1 (en) | 1996-01-24 | 1997-01-21 | Remote learning system |
Country Status (15)
Country | Link |
---|---|
US (3) | US5833468A (en) |
EP (1) | EP0958569B1 (en) |
JP (2) | JP2000505259A (en) |
AP (1) | AP2000001899A0 (en) |
AT (1) | ATE227042T1 (en) |
AU (1) | AU2244297A (en) |
BR (1) | BR9707197A (en) |
CA (1) | CA2244427A1 (en) |
DE (1) | DE69716765T2 (en) |
DK (1) | DK0958569T3 (en) |
ES (1) | ES2185908T3 (en) |
IL (1) | IL125476A (en) |
MY (1) | MY122074A (en) |
PT (1) | PT958569E (en) |
WO (1) | WO1997027572A1 (en) |
Families Citing this family (157)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8352400B2 (en) | 1991-12-23 | 2013-01-08 | Hoffberg Steven M | Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore |
ATE183352T1 (en) | 1992-12-09 | 1999-08-15 | Discovery Communicat Inc | IMPROVED TOP-UP TERMINAL FOR CABLE TELEVISION DISTRIBUTION SYSTEMS |
US6675386B1 (en) * | 1996-09-04 | 2004-01-06 | Discovery Communications, Inc. | Apparatus for video access and control over computer network, including image correction |
US7343614B1 (en) | 1992-12-09 | 2008-03-11 | Sedna Patent Services, Llc | Program delivery system for VOD |
US7168084B1 (en) | 1992-12-09 | 2007-01-23 | Sedna Patent Services, Llc | Method and apparatus for targeting virtual objects |
US5600364A (en) | 1992-12-09 | 1997-02-04 | Discovery Communications, Inc. | Network controller for cable television delivery systems |
US9286294B2 (en) | 1992-12-09 | 2016-03-15 | Comcast Ip Holdings I, Llc | Video and digital multimedia aggregator content suggestion engine |
AU6352894A (en) | 1993-03-05 | 1994-09-26 | Roy J. Mankovitz | Apparatus and method using compressed codes for television program record scheduling |
US8793738B2 (en) | 1994-05-04 | 2014-07-29 | Starsight Telecast Incorporated | Television system with downloadable features |
US6769128B1 (en) | 1995-06-07 | 2004-07-27 | United Video Properties, Inc. | Electronic television program guide schedule system and method with data feed access |
US6732369B1 (en) | 1995-10-02 | 2004-05-04 | Starsight Telecast, Inc. | Systems and methods for contextually linking television program information |
US6388714B1 (en) | 1995-10-02 | 2002-05-14 | Starsight Telecast Inc | Interactive computer system for providing television schedule information |
US6323911B1 (en) | 1995-10-02 | 2001-11-27 | Starsight Telecast, Inc. | System and method for using television schedule information |
DE69615066D1 (en) * | 1996-01-26 | 2001-10-11 | Ivan Solvason | METHOD AND SYSTEM FOR COMMUNICATING CONTROL INFORMATION FROM A CONTROL GENERATOR TO ONE OR MORE COMPUTER INSTALLATIONS |
US5940073A (en) | 1996-05-03 | 1999-08-17 | Starsight Telecast Inc. | Method and system for displaying other information in a TV program guide |
KR100445679B1 (en) * | 1996-05-10 | 2004-12-04 | 소니 가부시끼 가이샤 | The data broadcast receiving apparatus |
US20030066085A1 (en) * | 1996-12-10 | 2003-04-03 | United Video Properties, Inc., A Corporation Of Delaware | Internet television program guide system |
US7607147B1 (en) | 1996-12-11 | 2009-10-20 | The Nielsen Company (Us), Llc | Interactive service device metering systems |
US6687906B1 (en) | 1996-12-19 | 2004-02-03 | Index Systems, Inc. | EPG with advertising inserts |
US5978648A (en) * | 1997-03-06 | 1999-11-02 | Forte Systems, Inc. | Interactive multimedia performance assessment system and process for use by students, educators and administrators |
US6301573B1 (en) * | 1997-03-21 | 2001-10-09 | Knowlagent, Inc. | Recurrent training system |
TW346586B (en) * | 1997-05-16 | 1998-12-01 | Feng Bao Systems Co Ltd Ing | Method for editing a multimedia simultaneous teaching system |
US20040253565A1 (en) * | 1997-07-10 | 2004-12-16 | Kyu Jin Park | Caption type language learning system using caption type learning terminal and communication network |
CN1941863B (en) | 1997-07-21 | 2011-06-29 | 骏升发展(美国)有限公司 | Method for displaying target advertisement to user in electronic program guide system |
US6233428B1 (en) * | 1997-09-17 | 2001-05-15 | Bruce Fryer | System and method for distribution of child care training materials and remote monitoring of child care centers |
EP1008260B1 (en) | 1997-09-18 | 2002-05-15 | United Video Properties, Inc. | Electronic-mail reminder for an internet television program guide |
US6081830A (en) * | 1997-10-09 | 2000-06-27 | Gateway 2000, Inc. | Automatic linking to program-specific computer chat rooms |
US5982363A (en) * | 1997-10-24 | 1999-11-09 | General Instrument Corporation | Personal computer-based set-top converter for television services |
DK7398A (en) * | 1998-01-21 | 1998-03-10 | Probe Research | Method of building a flexible and effective teaching system in a computer environment |
US6701125B1 (en) | 1998-01-21 | 2004-03-02 | Jesper Lohse | Method for developing a flexible and efficient educational system |
US7185355B1 (en) | 1998-03-04 | 2007-02-27 | United Video Properties, Inc. | Program guide system with preference profiles |
US6196846B1 (en) * | 1998-06-02 | 2001-03-06 | Virtual Village, Inc. | System and method for establishing a data session and a voice session for training a user on a computer program |
US6074216A (en) * | 1998-07-07 | 2000-06-13 | Hewlett-Packard Company | Intelligent interactive broadcast education |
US6442755B1 (en) | 1998-07-07 | 2002-08-27 | United Video Properties, Inc. | Electronic program guide using markup language |
CN1867068A (en) | 1998-07-14 | 2006-11-22 | 联合视频制品公司 | Client-server based interactive television program guide system with remote server recording |
AR020608A1 (en) | 1998-07-17 | 2002-05-22 | United Video Properties Inc | A METHOD AND A PROVISION TO SUPPLY A USER REMOTE ACCESS TO AN INTERACTIVE PROGRAMMING GUIDE BY A REMOTE ACCESS LINK |
US6898762B2 (en) | 1998-08-21 | 2005-05-24 | United Video Properties, Inc. | Client-server electronic program guide |
TW463503B (en) * | 1998-08-26 | 2001-11-11 | United Video Properties Inc | Television chat system |
TW447221B (en) | 1998-08-26 | 2001-07-21 | United Video Properties Inc | Television message system |
US6701369B1 (en) | 1998-09-11 | 2004-03-02 | L.V. Partners, L.P. | Method and apparatus for accessing a remote location by sensing a machine-resolvable code |
US6643692B1 (en) | 1998-09-11 | 2003-11-04 | Lv Partners, L.P. | Method for controlling a computer using an embedded unique code in the content of video tape media |
US6725260B1 (en) | 1998-09-11 | 2004-04-20 | L.V. Partners, L.P. | Method and apparatus for configuring configurable equipment with configuration information received from a remote location |
US6594705B1 (en) | 1998-09-11 | 2003-07-15 | Lv Partners, L.P. | Method and apparatus for utilizing an audibly coded signal to conduct commerce over the internet |
US6631404B1 (en) | 1998-09-11 | 2003-10-07 | Lv Partners, L.P. | Method and system for conducting a contest using a network |
US8028036B1 (en) | 1998-09-11 | 2011-09-27 | Rpx-Lv Acquisition Llc | Launching a web site using a passive transponder |
US6636896B1 (en) | 1998-09-11 | 2003-10-21 | Lv Partners, L.P. | Method and apparatus for utilizing an audibly coded signal to conduct commerce over the internet |
US6868433B1 (en) | 1998-09-11 | 2005-03-15 | L.V. Partners, L.P. | Input device having positional and scanning capabilities |
US6629133B1 (en) | 1998-09-11 | 2003-09-30 | Lv Partners, L.P. | Interactive doll |
US6836799B1 (en) | 1998-09-11 | 2004-12-28 | L.V. Partners, L.P. | Method and apparatus for tracking user profile and habits on a global network |
US6791588B1 (en) | 1998-09-11 | 2004-09-14 | L.V. Partners, L.P. | Method for conducting a contest using a network |
US6829650B1 (en) | 1998-09-11 | 2004-12-07 | L. V. Partners, L.P. | Method and apparatus for opening and launching a web browser in response to an audible signal |
US6697949B1 (en) | 1998-09-11 | 2004-02-24 | L.V. Partner, L.P. | Method and apparatus for controlling a user's pc through an audio-visual broadcast to archive information in the users pc |
US6792452B1 (en) | 1998-09-11 | 2004-09-14 | L.V. Partners, L.P. | Method for configuring a piece of equipment with the use of an associated machine resolvable code |
US7792696B1 (en) | 1998-09-11 | 2010-09-07 | RPX-LV Acquisition, LLC | Method and apparatus for allowing a broadcast to remotely control a computer |
US7386600B1 (en) | 1998-09-11 | 2008-06-10 | Lv Partners, L.P. | Launching a web site using a personal device |
US6704864B1 (en) | 1999-08-19 | 2004-03-09 | L.V. Partners, L.P. | Automatic configuration of equipment software |
US6622165B1 (en) | 1998-09-11 | 2003-09-16 | Lv Partners, L.P. | Method and apparatus for allowing a remote site to interact with an intermediate database to facilitate access to the remote site |
US6745234B1 (en) | 1998-09-11 | 2004-06-01 | Digital:Convergence Corporation | Method and apparatus for accessing a remote location by scanning an optical code |
US7930213B1 (en) | 1998-09-11 | 2011-04-19 | Rpx-Lv Acquisition Llc | Method and apparatus for completing, securing and conducting an E-commerce transaction |
US7440993B1 (en) | 1998-09-11 | 2008-10-21 | Lv Partners, L.P. | Method and apparatus for launching a web browser in response to scanning of product information |
US6877032B1 (en) | 1998-09-11 | 2005-04-05 | L.V. Partners, L.P. | Launching a web site using a portable scanner |
US6701354B1 (en) | 1998-09-11 | 2004-03-02 | L. V. Partners, L.P. | Method for interconnecting two locations over a network in response to using a tool |
US6823388B1 (en) | 1998-09-11 | 2004-11-23 | L.V. Parners, L.P. | Method and apparatus for accessing a remote location with an optical reader having a programmable memory system |
US7900224B1 (en) | 1998-09-11 | 2011-03-01 | Rpx-Lv Acquisition Llc | Method and apparatus for utilizing an audible signal to induce a user to select an E-commerce function |
US7379901B1 (en) | 1998-09-11 | 2008-05-27 | Lv Partners, L.P. | Accessing a vendor web site using personal account information retrieved from a credit card company web site |
US8712835B1 (en) | 1998-09-11 | 2014-04-29 | Rpx Corporation | Method and apparatus for linking a web browser link to a promotional offer |
US6688522B1 (en) | 1998-09-11 | 2004-02-10 | L. V. Partners, L.P. | Unique bar code |
US6754698B1 (en) | 1998-09-11 | 2004-06-22 | L. V. Partners, L.P. | Method and apparatus for accessing a remote location with an optical reader having a dedicated memory system |
US6384744B1 (en) | 1998-09-11 | 2002-05-07 | Digital:Convergence Corp. | Method and system for data transmission from an optical reader |
US6708208B1 (en) | 1998-09-11 | 2004-03-16 | L.V. Partners, L.P. | Unique bar code for indicating a link between a product and a remote location on a web network |
US6615268B1 (en) | 1998-09-11 | 2003-09-02 | Lv Partners, L.P. | Method for controlling a computer using an embedded unique code in the content of dat media |
US6826592B1 (en) | 1998-09-11 | 2004-11-30 | L.V. Partners, L.P. | Digital ID for selecting web browser and use preferences of a user during use of a web application |
US7392945B1 (en) | 1998-09-11 | 2008-07-01 | Lv Partners, L.P. | Portable scanner for enabling automatic commerce transactions |
US7191247B1 (en) | 1998-09-11 | 2007-03-13 | Lv Partners, Lp | Method for connecting a wireless device to a remote location on a network |
US6636892B1 (en) | 1998-09-11 | 2003-10-21 | Lv Partners, L.P. | Method for conducting a contest using a network |
US6526449B1 (en) | 1998-09-11 | 2003-02-25 | Digital Convergence Corporation | Method and apparatus for controlling a computer from a remote location |
US7818423B1 (en) | 1998-09-11 | 2010-10-19 | RPX-LV Acquisition, LLC | Retrieving personal account information from a web site by reading a credit card |
US6574239B1 (en) * | 1998-10-07 | 2003-06-03 | Eric Morgan Dowling | Virtual connection of a remote unit to a server |
US6865746B1 (en) | 1998-12-03 | 2005-03-08 | United Video Properties, Inc. | Electronic program guide with related-program search feature |
US11109114B2 (en) | 2001-04-18 | 2021-08-31 | Grass Valley Canada | Advertisement management method, system, and computer program product |
US7024677B1 (en) | 1998-12-18 | 2006-04-04 | Thomson Licensing | System and method for real time video production and multicasting |
US6952221B1 (en) | 1998-12-18 | 2005-10-04 | Thomson Licensing S.A. | System and method for real time video production and distribution |
US20020054244A1 (en) * | 2000-03-31 | 2002-05-09 | Alex Holtz | Method, system and computer program product for full news integration and automation in a real time video production environment |
US8560951B1 (en) | 1998-12-18 | 2013-10-15 | Thomson Licensing | System and method for real time video production and distribution |
US20040027368A1 (en) * | 2002-05-09 | 2004-02-12 | Parkervision, Inc. | Time sheet for real time video production system and method |
US7835920B2 (en) * | 1998-12-18 | 2010-11-16 | Thomson Licensing | Director interface for production automation control |
US20030214605A1 (en) * | 1998-12-18 | 2003-11-20 | Snyder Robert J. | Autokeying method, system, and computer program product |
US6452612B1 (en) * | 1998-12-18 | 2002-09-17 | Parkervision, Inc. | Real time video production system and method |
US9123380B2 (en) | 1998-12-18 | 2015-09-01 | Gvbb Holdings S.A.R.L. | Systems, methods, and computer program products for automated real-time execution of live inserts of repurposed stored content distribution, and multiple aspect ratio automated simulcast production |
US6760916B2 (en) * | 2000-01-14 | 2004-07-06 | Parkervision, Inc. | Method, system and computer program product for producing and distributing enhanced media downstreams |
US20030001880A1 (en) * | 2001-04-18 | 2003-01-02 | Parkervision, Inc. | Method, system, and computer program product for producing and distributing enhanced media |
US6909874B2 (en) * | 2000-04-12 | 2005-06-21 | Thomson Licensing Sa. | Interactive tutorial method, system, and computer program product for real time media production |
US7174083B1 (en) * | 1998-12-30 | 2007-02-06 | Xerox Corporation | Systems and methods for using structured representations to index recordings of activity |
US6760748B1 (en) | 1999-01-20 | 2004-07-06 | Accenture Llp | Instructional system grouping student terminals |
US6324378B1 (en) * | 1999-01-21 | 2001-11-27 | Chicago Symphony Orchestra | Interactive learning center |
US7904187B2 (en) | 1999-02-01 | 2011-03-08 | Hoffberg Steven M | Internet appliance system and method |
JP3498057B2 (en) * | 1999-03-29 | 2004-02-16 | 株式会社ビジネス・ブレークスルー | Audiovisual terminal, audiovisual authentication system, audiovisual authentication method, distance education method, and recording medium |
US6288753B1 (en) | 1999-07-07 | 2001-09-11 | Corrugated Services Corp. | System and method for live interactive distance learning |
US6965752B2 (en) * | 1999-08-27 | 2005-11-15 | Ecollege.Com | On-line educational system having an electronic notebook feature |
WO2001033859A1 (en) * | 1999-11-05 | 2001-05-10 | Glaser Donald A | A method and system for audience participation and selective viewing of various aspects of a public performance or a teaching venue |
US6628777B1 (en) | 1999-11-16 | 2003-09-30 | Knowlagent, Inc. | Method and system for scheduled delivery of training to call center agents |
AU3083901A (en) * | 1999-11-22 | 2001-06-04 | Spiderdance, Inc. | System and method for synchronizing online activities with broadcast programming |
AU4711601A (en) | 1999-12-10 | 2001-07-03 | United Video Properties, Inc. | Systems and methods for coordinating interactive and passive advertisement and merchandising opportunities |
US6324282B1 (en) | 2000-03-02 | 2001-11-27 | Knowlagent, Inc. | Method and system for delivery of individualized training to call center agents |
US6775377B2 (en) | 2001-09-10 | 2004-08-10 | Knowlagent, Inc. | Method and system for delivery of individualized training to call center agents |
US7043193B1 (en) | 2000-05-09 | 2006-05-09 | Knowlagent, Inc. | Versatile resource computer-based training system |
AU2001279170A1 (en) * | 2000-08-03 | 2002-02-18 | Edwin L. Lyda | Apparatus for remote learning system |
US20020091658A1 (en) * | 2000-08-25 | 2002-07-11 | Jung-Hoon Bae | Multimedia electronic education system and method |
JP2004511937A (en) | 2000-10-11 | 2004-04-15 | ユナイテッド ビデオ プロパティーズ, インコーポレイテッド | System and method for providing storage of data in a server of an on-demand media delivery system |
GB2392001A (en) * | 2001-01-12 | 2004-02-18 | Educational Testing Service | Method and system for online teaching using web pages |
US7092669B2 (en) * | 2001-02-02 | 2006-08-15 | Ricoh Company, Ltd. | System for facilitating teaching and learning |
US6871043B2 (en) * | 2001-02-02 | 2005-03-22 | Ecollege.Com | Variable types of sensory interaction for an on-line educational system |
US7266832B2 (en) * | 2001-06-14 | 2007-09-04 | Digeo, Inc. | Advertisement swapping using an aggregator for an interactive television system |
JP3964159B2 (en) * | 2001-06-25 | 2007-08-22 | 株式会社ノヴァ | Education service system using communication line and education service providing method |
JP2003008768A (en) * | 2001-06-27 | 2003-01-10 | Nova:Kk | Personal computer school system utilizing videophone |
US7793326B2 (en) | 2001-08-03 | 2010-09-07 | Comcast Ip Holdings I, Llc | Video and digital multimedia aggregator |
US7908628B2 (en) | 2001-08-03 | 2011-03-15 | Comcast Ip Holdings I, Llc | Video and digital multimedia aggregator content coding and formatting |
US7174010B2 (en) | 2001-11-05 | 2007-02-06 | Knowlagent, Inc. | System and method for increasing completion of training |
FI119836B (en) * | 2001-11-29 | 2009-03-31 | Divace Oy | Nätinlärningssystem |
US6775518B2 (en) * | 2002-01-25 | 2004-08-10 | Svi Systems, Inc. | Interactive education system |
ITUD20020107A1 (en) * | 2002-05-20 | 2003-11-20 | Comm Srl K | APPARATUS AND PROCEDURE FOR THE TRANSMISSION AND INTERCHANGE OF INFORMATION IN TELEVISION FORM |
US7239981B2 (en) | 2002-07-26 | 2007-07-03 | Arbitron Inc. | Systems and methods for gathering audience measurement data |
PL355770A1 (en) * | 2002-08-29 | 2004-03-08 | Jerzy Kalisiak | Tele-education system |
US7493646B2 (en) | 2003-01-30 | 2009-02-17 | United Video Properties, Inc. | Interactive television systems with digital video recording and adjustable reminders |
US20040219492A1 (en) * | 2003-05-01 | 2004-11-04 | International Business Machines Corporation | Method, system and program product for designing an educational program and providing educational content |
US9472114B2 (en) * | 2003-05-01 | 2016-10-18 | International Business Machines Corporation | Computer-implemented method, system and program product for providing an educational program |
US7158628B2 (en) | 2003-08-20 | 2007-01-02 | Knowlagent, Inc. | Method and system for selecting a preferred contact center agent based on agent proficiency and performance and contact center state |
US7984468B2 (en) | 2003-11-06 | 2011-07-19 | United Video Properties, Inc. | Systems and methods for providing program suggestions in an interactive television program guide |
US7244180B2 (en) * | 2003-11-21 | 2007-07-17 | Mchugh Garnet | Geography game show |
TWI256257B (en) * | 2004-03-17 | 2006-06-01 | Era Digital Media Company Ltd | Real-time interactive video management system |
US20050238260A1 (en) * | 2004-04-16 | 2005-10-27 | Dave Coleman | Image and optical mark scanner with encryption |
US20050237580A1 (en) * | 2004-04-16 | 2005-10-27 | Dave Coleman | Scanner read head for images and optical mark recognition |
US8806533B1 (en) | 2004-10-08 | 2014-08-12 | United Video Properties, Inc. | System and method for using television information codes |
US8386909B2 (en) * | 2005-04-07 | 2013-02-26 | Hewlett-Packard Development Company, L.P. | Capturing and presenting interactions with image-based media |
US7590699B2 (en) * | 2005-06-23 | 2009-09-15 | Microsoft Corporation | Instant messaging with built-in search |
US20070020603A1 (en) * | 2005-07-22 | 2007-01-25 | Rebecca Woulfe | Synchronous communications systems and methods for distance education |
EP3709539A1 (en) | 2005-09-26 | 2020-09-16 | Nielsen Media Research, Inc. | Methods and apparatus for metering computer-based media presentation |
US9113107B2 (en) | 2005-11-08 | 2015-08-18 | Rovi Guides, Inc. | Interactive advertising and program promotion in an interactive television system |
US7739280B2 (en) | 2006-03-06 | 2010-06-15 | Veveo, Inc. | Methods and systems for selecting and presenting content based on user preference information extracted from an aggregate preference signature |
US8316394B2 (en) | 2006-03-24 | 2012-11-20 | United Video Properties, Inc. | Interactive media guidance application with intelligent navigation and display features |
US20070254275A1 (en) * | 2006-05-01 | 2007-11-01 | Dan Gonos | Training system assembly, and associated methodology, providing for personnel training remote from a training host location |
KR100816286B1 (en) * | 2006-05-18 | 2008-03-24 | 삼성전자주식회사 | Display apparatus and support method using the portable terminal and the external device |
US20070299694A1 (en) * | 2006-06-26 | 2007-12-27 | Merck David E | Patient education management database system |
US8832742B2 (en) | 2006-10-06 | 2014-09-09 | United Video Properties, Inc. | Systems and methods for acquiring, categorizing and delivering media in interactive media guidance applications |
US7801888B2 (en) | 2007-03-09 | 2010-09-21 | Microsoft Corporation | Media content search results ranked by popularity |
US8358964B2 (en) * | 2007-04-25 | 2013-01-22 | Scantron Corporation | Methods and systems for collecting responses |
US8387082B2 (en) * | 2008-03-25 | 2013-02-26 | Verizon Patent And Licensing Inc. | Enhanced voice-rich input for interactive programming |
US8140544B2 (en) | 2008-09-03 | 2012-03-20 | International Business Machines Corporation | Interactive digital video library |
US9124769B2 (en) | 2008-10-31 | 2015-09-01 | The Nielsen Company (Us), Llc | Methods and apparatus to verify presentation of media content |
US10063934B2 (en) | 2008-11-25 | 2018-08-28 | Rovi Technologies Corporation | Reducing unicast session duration with restart TV |
US9166714B2 (en) | 2009-09-11 | 2015-10-20 | Veveo, Inc. | Method of and system for presenting enriched video viewing analytics |
WO2011094214A1 (en) * | 2010-01-29 | 2011-08-04 | Scantron Corporation | Data collection and transfer techniques for scannable forms |
GB201005458D0 (en) | 2010-03-31 | 2010-05-19 | Skype Ltd | Media appliance |
US9736524B2 (en) | 2011-01-06 | 2017-08-15 | Veveo, Inc. | Methods of and systems for content search based on environment sampling |
US8805418B2 (en) | 2011-12-23 | 2014-08-12 | United Video Properties, Inc. | Methods and systems for performing actions based on location-based rules |
US9386271B2 (en) * | 2013-08-30 | 2016-07-05 | Amrita Vishwa Vidyapeetham | System and method for synthesizing and preserving consistent relative neighborhood position in multi-perspective multi-point tele-immersive environments |
US9288521B2 (en) | 2014-05-28 | 2016-03-15 | Rovi Guides, Inc. | Systems and methods for updating media asset data based on pause point in the media asset |
Family Cites Families (58)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4415774A (en) * | 1981-11-25 | 1983-11-15 | Universal Data Systems, Inc. | Line powered modem automatic answer device powered from equipment |
US4578796A (en) * | 1983-11-03 | 1986-03-25 | Bell Telephone Laboratories, Incorporated | Programmable multiple type data set |
US4715818A (en) * | 1984-12-04 | 1987-12-29 | Ronald Lewis Shapiro | Computer training system |
US4793813A (en) * | 1985-10-15 | 1988-12-27 | The Board Of Trustees Of The University Of Illinois | Computer-based education system |
US5508731A (en) * | 1986-03-10 | 1996-04-16 | Response Reward Systems L.C. | Generation of enlarged participatory broadcast audience |
US4780757A (en) * | 1987-04-30 | 1988-10-25 | Gte Government Systems Corporation | Telecommunication system with frame selected continuous audio signals |
US4785472A (en) * | 1987-05-11 | 1988-11-15 | The Trustees Of The Stevens Institute Of Technology | Remote teaching system |
JPH01177237A (en) * | 1988-01-07 | 1989-07-13 | Nippon Telegr & Teleph Corp <Ntt> | Two-way multiple connecting system |
US4837800A (en) * | 1988-03-18 | 1989-06-06 | Motorola, Inc. | Cellular data telephone system and cellular data telephone therefor |
US4951309A (en) * | 1988-10-14 | 1990-08-21 | Compag Computer Corporation | Power-down modem |
JPH02204794A (en) * | 1989-02-02 | 1990-08-14 | Ricoh Co Ltd | Ensemble system |
US5002491A (en) * | 1989-04-28 | 1991-03-26 | Comtek | Electronic classroom system enabling interactive self-paced learning |
US5318450A (en) * | 1989-11-22 | 1994-06-07 | Gte California Incorporated | Multimedia distribution system for instructional materials |
US5176520A (en) * | 1990-04-17 | 1993-01-05 | Hamilton Eric R | Computer assisted instructional delivery system and method |
US5025314A (en) * | 1990-07-30 | 1991-06-18 | Xerox Corporation | Apparatus allowing remote interactive use of a plurality of writing surfaces |
JPH04113385A (en) * | 1990-09-03 | 1992-04-14 | Fujitsu Ltd | Remote lecture system |
US5526034A (en) * | 1990-09-28 | 1996-06-11 | Ictv, Inc. | Interactive home information system with signal assignment |
US5200822A (en) * | 1991-04-23 | 1993-04-06 | National Broadcasting Company, Inc. | Arrangement for and method of processing data, especially for identifying and verifying airing of television broadcast programs |
US5283638A (en) * | 1991-04-25 | 1994-02-01 | Compuadd Corporation | Multimedia computing and telecommunications workstation |
US5192999A (en) * | 1991-04-25 | 1993-03-09 | Compuadd Corporation | Multipurpose computerized television |
JPH0520272A (en) * | 1991-07-12 | 1993-01-29 | Sony Corp | Computer |
JPH0556367A (en) * | 1991-08-22 | 1993-03-05 | Fujitsu General Ltd | Television receiver |
JP2002504271A (en) * | 1991-09-10 | 2002-02-05 | ハイブリッド・ネットワークス・インコーポレイテッド | Remote link adapter for TV broadcast data transmission system |
US5267865A (en) * | 1992-02-11 | 1993-12-07 | John R. Lee | Interactive computer aided natural learning method and apparatus |
US5303042A (en) * | 1992-03-25 | 1994-04-12 | One Touch Systems, Inc. | Computer-implemented method and apparatus for remote educational instruction |
US5302132A (en) * | 1992-04-01 | 1994-04-12 | Corder Paul R | Instructional system and method for improving communication skills |
US5310349A (en) * | 1992-04-30 | 1994-05-10 | Jostens Learning Corporation | Instructional management system |
JPH06266813A (en) * | 1992-10-19 | 1994-09-22 | Internatl Business Mach Corp <Ibm> | Data collecting device and method for collecting and inputting data and requirement from plurality of user for constructing process-model and data-model |
US5385475A (en) * | 1993-04-01 | 1995-01-31 | Rauland-Borg | Apparatus and method for generating and presenting an audio visual lesson plan |
US5375160A (en) * | 1993-05-28 | 1994-12-20 | Ledler Corporation | Interface apparatus for effecting captioning and communications between a telephone line and a television |
US5485221A (en) * | 1993-06-07 | 1996-01-16 | Scientific-Atlanta, Inc. | Subscription television system and terminal for enabling simultaneous display of multiple services |
US5583560A (en) * | 1993-06-22 | 1996-12-10 | Apple Computer, Inc. | Method and apparatus for audio-visual interface for the selective display of listing information on a display |
IL106746A (en) | 1993-08-19 | 1997-02-18 | News Datacom Ltd | CATV systems |
US5774527A (en) * | 1993-08-19 | 1998-06-30 | News Datacom Ltd. | Integrated telephone and cable communication networks |
US5458494A (en) * | 1993-08-23 | 1995-10-17 | Edutech Research Labs, Ltd. | Remotely operable teaching system and method therefor |
US5589892A (en) * | 1993-09-09 | 1996-12-31 | Knee; Robert A. | Electronic television program guide schedule system and method with data feed access |
FR2709905B1 (en) * | 1993-09-09 | 1995-10-13 | Alcatel Business Systems | Interactive control system for multiservice installation with a television program distribution server and a telephone exchange. |
US6275268B1 (en) * | 1993-09-09 | 2001-08-14 | United Video Properties, Inc. | Electronic television program guide with remote product ordering |
KR970006409B1 (en) * | 1993-12-29 | 1997-04-28 | 현대전자산업 주식회사 | Multisystem device and method |
JPH07264570A (en) * | 1994-03-17 | 1995-10-13 | Oki Electric Ind Co Ltd | Multi-point communication system |
US5537141A (en) * | 1994-04-15 | 1996-07-16 | Actv, Inc. | Distance learning system providing individual television participation, audio responses and memory for every student |
US5559548A (en) * | 1994-05-20 | 1996-09-24 | Davis; Bruce | System and method for generating an information display schedule for an electronic program guide |
US5748956A (en) * | 1995-01-13 | 1998-05-05 | U.S. West Technologies, Inc. | Method and system for managing multimedia assets for proper deployment on interactive networks |
US5604542A (en) * | 1995-02-08 | 1997-02-18 | Intel Corporation | Using the vertical blanking interval for transporting electronic coupons |
US5654748A (en) * | 1995-05-05 | 1997-08-05 | Microsoft Corporation | Interactive program identification system |
US5643088A (en) * | 1995-05-31 | 1997-07-01 | Interactive Network, Inc. | Game of skill or chance playable by remote participants in conjunction with a common game event including inserted interactive advertising |
US5818441A (en) * | 1995-06-15 | 1998-10-06 | Intel Corporation | System and method for simulating two-way connectivity for one way data streams |
US6064420A (en) * | 1995-06-15 | 2000-05-16 | Intel Corporation | Simulating two way connectivity for one way data streams for multiple parties |
CA2181781C (en) * | 1995-07-26 | 2000-02-29 | Seiji Iwafune | Television system for providing interactive television programs and server system for constructing the television system |
US5687331A (en) * | 1995-08-03 | 1997-11-11 | Microsoft Corporation | Method and system for displaying an animated focus item |
US5655214A (en) * | 1995-09-07 | 1997-08-05 | Amulet Electronics Limited | Television broadcast distribution systems comprising base station with a tuner and computer outstations |
US5761602A (en) * | 1995-09-13 | 1998-06-02 | Wagner Dsp Technologies | Hybrid multichannel data transmission system utilizing a broadcast medium |
US5995134A (en) * | 1995-12-14 | 1999-11-30 | Time Warner Cable | Method and apparatus for enticing a passive television viewer by automatically playing promotional presentations of selectable options in response to the viewer's inactivity |
US5805806A (en) * | 1995-12-18 | 1998-09-08 | Intel Corporation | Method and apparatus for providing interactive networking between televisions and personal computers |
US5782642A (en) * | 1995-12-19 | 1998-07-21 | Goren; Michael | Interactive video and audio display system network interactive monitor module interface |
US6141693A (en) * | 1996-06-03 | 2000-10-31 | Webtv Networks, Inc. | Method and apparatus for extracting digital data from a video stream and using the digital data to configure the video stream for display on a television set |
US20030005463A1 (en) * | 1999-09-30 | 2003-01-02 | Douglas B Macrae | Access to internet data through a television system |
US5818440A (en) * | 1997-04-15 | 1998-10-06 | Time Warner Entertainment Co. L.P. | Automatic execution of application on interactive television |
-
1996
- 1996-01-24 US US08/590,640 patent/US5833468A/en not_active Expired - Lifetime
-
1997
- 1997-01-21 AU AU22442/97A patent/AU2244297A/en not_active Abandoned
- 1997-01-21 DE DE69716765T patent/DE69716765T2/en not_active Expired - Fee Related
- 1997-01-21 EP EP97905597A patent/EP0958569B1/en not_active Expired - Lifetime
- 1997-01-21 JP JP9526932A patent/JP2000505259A/en not_active Withdrawn
- 1997-01-21 WO PCT/US1997/000871 patent/WO1997027572A1/en active IP Right Grant
- 1997-01-21 ES ES97905597T patent/ES2185908T3/en not_active Expired - Lifetime
- 1997-01-21 IL IL12547697A patent/IL125476A/en not_active IP Right Cessation
- 1997-01-21 PT PT97905597T patent/PT958569E/en unknown
- 1997-01-21 AP APAP/P/2000/001899A patent/AP2000001899A0/en unknown
- 1997-01-21 CA CA002244427A patent/CA2244427A1/en not_active Abandoned
- 1997-01-21 DK DK97905597T patent/DK0958569T3/en active
- 1997-01-21 BR BR9707197-8A patent/BR9707197A/en not_active IP Right Cessation
- 1997-01-21 AT AT97905597T patent/ATE227042T1/en not_active IP Right Cessation
- 1997-01-22 MY MYPI97000232A patent/MY122074A/en unknown
-
1998
- 1998-11-04 US US09/185,703 patent/US6937841B1/en not_active Expired - Fee Related
-
2005
- 2005-06-20 US US11/157,697 patent/US20050233297A1/en not_active Abandoned
-
2008
- 2008-04-09 JP JP2008101862A patent/JP2008236773A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
AP2000001899A0 (en) | 2000-09-30 |
EP0958569B1 (en) | 2002-10-30 |
US6937841B1 (en) | 2005-08-30 |
US5833468A (en) | 1998-11-10 |
WO1997027572A1 (en) | 1997-07-31 |
IL125476A0 (en) | 1999-03-12 |
DE69716765T2 (en) | 2003-07-03 |
US20050233297A1 (en) | 2005-10-20 |
JP2000505259A (en) | 2000-04-25 |
MY122074A (en) | 2006-03-31 |
JP2008236773A (en) | 2008-10-02 |
AU2244297A (en) | 1997-08-20 |
IL125476A (en) | 2004-05-12 |
ATE227042T1 (en) | 2002-11-15 |
DK0958569T3 (en) | 2003-03-03 |
ES2185908T3 (en) | 2003-05-01 |
BR9707197A (en) | 1999-12-28 |
DE69716765D1 (en) | 2002-12-05 |
EP0958569A1 (en) | 1999-11-24 |
PT958569E (en) | 2003-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2244427A1 (en) | Remote learning system | |
US5318450A (en) | Multimedia distribution system for instructional materials | |
Motamedi | A critical look at the use of videoconferencing in United States distance education. | |
Brofferio | A university distance lesson system: experiments, services, and future developments | |
US4367485A (en) | Two-way microwave television system | |
CN111954008A (en) | One-to-many remote live broadcast system and use method | |
Besser | Issues and challenges for the distance independent environment | |
US20140193793A1 (en) | Method and system for distance education based on asynchronous interaction | |
Wolfram | Audiographics for distance education: a case study in student attitudes and perceptions | |
US20030134260A1 (en) | Multi-client type learning system | |
KR100393471B1 (en) | Realtime control system for multimedia network | |
Furnace et al. | Medical teaching at a peripheral site by videoconferencing | |
KR19980066389A (en) | Real time distance education system | |
Hiple et al. | Models for distance education in critical languages | |
Carvalho | Modernizing and globalizing the learning environment: Video-conferencing in education | |
KR19980066530A (en) | Distance education system using satellite | |
JPH0290190A (en) | Tv learning system | |
KR20010107279A (en) | A method of online education accompanied with data | |
Farienetti et al. | Remote tutoring: What we learned by a practical experience | |
Scott | 18 IBM distance learning developments using videoconferencing | |
Stunkel | The technological fix: Tapping media's diverse components for gerontological education | |
Morell | Distance learning | |
Okamura et al. | Distance education learning technologies and applications in the Pacific Islands: a focus on interactive technologies | |
Deavers Adkinson | Audioconferencing: Inservice Training Via Telephone | |
Ryan | Future delivery systems for public administration training and development |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |