CA2458637C - Scanning electronic book - Google Patents
Scanning electronic book Download PDFInfo
- Publication number
- CA2458637C CA2458637C CA2458637A CA2458637A CA2458637C CA 2458637 C CA2458637 C CA 2458637C CA 2458637 A CA2458637 A CA 2458637A CA 2458637 A CA2458637 A CA 2458637A CA 2458637 C CA2458637 C CA 2458637C
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- Canada
- Prior art keywords
- graphics
- text
- presentation device
- electronic text
- display
- 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.)
- Expired - Fee Related
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- 238000003860 storage Methods 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 7
- 230000004044 response Effects 0.000 description 3
- BZTYNSQSZHARAZ-UHFFFAOYSA-N 2,4-dichloro-1-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC=C(Cl)C=C1Cl BZTYNSQSZHARAZ-UHFFFAOYSA-N 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
-
- 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
- Y10S345/00—Computer graphics processing and selective visual display systems
- Y10S345/901—Electronic book with display
Abstract
An electronic book for presenting text and/or graphics includes a scanner for scanning data cards bearing a pattern encoding the text and/or graphics. The electronic book further includes a programmed processor for decoding the text and/or graphics and a screen for displaying same. In a preferred embodiment the electronic book is provided in a compact foldable housing with an appearance similar to a conventional book including a flexible and foldable screen. The housing includes a spine having a recess to allow the folded screen to loop without damage occurring due to creasing.
Description
SCANNING ELECTRONIC BOOK
BACKGROiTND OF THE INVENTION
FIELD OF THE INVENTION
The present invention relates to an electronic book or "e-book" being a device that presents text and/or graphics, for example the text of a book or magazine and associated pictures, upon an electronic screen. Such devices typically comprise a display screen, for example an LCD screen under control of a programmed microprocessor. The microprocessor reads data from a data storage medium such as a Micro-CD-ROM or memory card such as a PCMIA card and converts the data into text and/or graphics that are displayed on the LCD
screen.
DESCRIPTION OF RELATED ART
One commercially available electronic book is the REB 1100 available from RCA.
That device has a monochrome LCD touch screen and a built in 33.6 kbps v.34 capable modem that allows digital book data to be downloaded from a remote database into an onboard 8 MB memory.
In US Patent No. 6,229,502 there is described an electronic book which is configured to read digital book data from a ROM such as a PCMIA card.
In US Patent No. 6,037,954 to McMahon there is described an electronic book which includes a Micro-CD-ROM drive for reading digital book data encoded onto a Micro-CD-ROM.
One problem with these devices is that they rely on data storage or distribution systems which are relatively expensive and complex to implement.
BRIEF SiTMMARY OF THE INVENTION
It is an object of the present invention to provide an electronic text and/or graphics presentation device that is capable of reading book data encoded on a low cost, high capacity medium that may be conveniently carried.
According to the present invention there is provided an electronic text and/or graphics presentation device including:
scanning means arranged to scan a pattern encoding text and/or graphics;
BACKGROiTND OF THE INVENTION
FIELD OF THE INVENTION
The present invention relates to an electronic book or "e-book" being a device that presents text and/or graphics, for example the text of a book or magazine and associated pictures, upon an electronic screen. Such devices typically comprise a display screen, for example an LCD screen under control of a programmed microprocessor. The microprocessor reads data from a data storage medium such as a Micro-CD-ROM or memory card such as a PCMIA card and converts the data into text and/or graphics that are displayed on the LCD
screen.
DESCRIPTION OF RELATED ART
One commercially available electronic book is the REB 1100 available from RCA.
That device has a monochrome LCD touch screen and a built in 33.6 kbps v.34 capable modem that allows digital book data to be downloaded from a remote database into an onboard 8 MB memory.
In US Patent No. 6,229,502 there is described an electronic book which is configured to read digital book data from a ROM such as a PCMIA card.
In US Patent No. 6,037,954 to McMahon there is described an electronic book which includes a Micro-CD-ROM drive for reading digital book data encoded onto a Micro-CD-ROM.
One problem with these devices is that they rely on data storage or distribution systems which are relatively expensive and complex to implement.
BRIEF SiTMMARY OF THE INVENTION
It is an object of the present invention to provide an electronic text and/or graphics presentation device that is capable of reading book data encoded on a low cost, high capacity medium that may be conveniently carried.
According to the present invention there is provided an electronic text and/or graphics presentation device including:
scanning means arranged to scan a pattern encoding text and/or graphics;
a user input control means;
processing means coupled to the scanning means and responsive to the user input control means and operatively programmed to generate a data signal corresponding to the text and/or graphics; and a display means controlled by the processing means and arranged to display the text and/or graphics in response to the processing means.
In order that the device be compact it preferably includes a foldable housing comprising first and second housing portions pivotal relative to each other.
According to the preferred embodiment the first and second housing portions are each pivotally connected to a common spine.
Batteries for powering the unit may be conveniently located in a battery compartment formed in the spine.
It is desirable that the pattern be formed on a card and said device includes a roller mechanism arranged to retract the card into said device.
In the preferred embodiment the roller mechanism is incorporated into the first housing portion.
In order for a user of the device to readily determine if the device is loaded with a card the first portion may include a window for observing cards retracted into the frst portion.
Preferably the device includes a card storage magazine which may be located in the second portion.
The display means may comprise a flexible LCD screen that is located across inner surfaces of the first and second housing portions.
In order to reduce power consumption it is advantageous that the flexible LCD
screen be of a bi-stable type.
Preferably the housing includes a recess, for example formed in the spine, for receiving a loop of the LCD screen upon pivoting the first and second housing portions to a closed position in order that creasing of the LCD screen is avoided.
In order to allow for a compact construction it is preferred that first and second printed circuit boards are located in the first and second housing portions respectively.
The flexible LCD screen may include conductive traces coupling the first and second printed circuit boards to each other.
processing means coupled to the scanning means and responsive to the user input control means and operatively programmed to generate a data signal corresponding to the text and/or graphics; and a display means controlled by the processing means and arranged to display the text and/or graphics in response to the processing means.
In order that the device be compact it preferably includes a foldable housing comprising first and second housing portions pivotal relative to each other.
According to the preferred embodiment the first and second housing portions are each pivotally connected to a common spine.
Batteries for powering the unit may be conveniently located in a battery compartment formed in the spine.
It is desirable that the pattern be formed on a card and said device includes a roller mechanism arranged to retract the card into said device.
In the preferred embodiment the roller mechanism is incorporated into the first housing portion.
In order for a user of the device to readily determine if the device is loaded with a card the first portion may include a window for observing cards retracted into the frst portion.
Preferably the device includes a card storage magazine which may be located in the second portion.
The display means may comprise a flexible LCD screen that is located across inner surfaces of the first and second housing portions.
In order to reduce power consumption it is advantageous that the flexible LCD
screen be of a bi-stable type.
Preferably the housing includes a recess, for example formed in the spine, for receiving a loop of the LCD screen upon pivoting the first and second housing portions to a closed position in order that creasing of the LCD screen is avoided.
In order to allow for a compact construction it is preferred that first and second printed circuit boards are located in the first and second housing portions respectively.
The flexible LCD screen may include conductive traces coupling the first and second printed circuit boards to each other.
In the preferred embodiment the user input control means comprises a joystick assembly.
According to a further aspect of the present invention there is provided an electronic text and/or graphics presentation device including:
a scan head arranged to scan a pattern corresponding to text and/or graphics;
a processor coupled to the scanner and configured to generate data corresponding to the text and/or graphics;
a display screen responsive to the processor and arranged to display the text and/or graphics.
According to a final aspect of the present invention, there is provided a method for distributing text and/or graphics comprising the steps of:
encoding the text and/or graphics as a printed pattern on a plurality of cards;
distributing the cards to a plurality of users;
providing each of the users with an electronic text presentation device including means arranged to scan one of said cards and convert said pattern into readable text.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a first perspective view of an apparatus according to a preferred embodiment of the present invention.
Figure 2 is a second perspective view of the apparatus.
Figure 3 is a third perspective view of the apparatus.
Figure 4 is a perspective view of the apparatus shown open for use.
Figure 5 is an exploded perspective view of the apparatus.
Figure 6 is a system block diagram of the apparatus.
Figure 7 is a cross sectional view of the apparatus open and through line B-B' of Figure 4.
Figure 8 is a cross sectional view of the apparatus closed and through line B-B' of Figure 4.
Figure 9 is a cross sectional view of the apparatus through line A-A' of Figure 4.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
The drawings illustrate an electronic book that is configured to read data encoded as a pattern printed on a sheet of card.
According to a further aspect of the present invention there is provided an electronic text and/or graphics presentation device including:
a scan head arranged to scan a pattern corresponding to text and/or graphics;
a processor coupled to the scanner and configured to generate data corresponding to the text and/or graphics;
a display screen responsive to the processor and arranged to display the text and/or graphics.
According to a final aspect of the present invention, there is provided a method for distributing text and/or graphics comprising the steps of:
encoding the text and/or graphics as a printed pattern on a plurality of cards;
distributing the cards to a plurality of users;
providing each of the users with an electronic text presentation device including means arranged to scan one of said cards and convert said pattern into readable text.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a first perspective view of an apparatus according to a preferred embodiment of the present invention.
Figure 2 is a second perspective view of the apparatus.
Figure 3 is a third perspective view of the apparatus.
Figure 4 is a perspective view of the apparatus shown open for use.
Figure 5 is an exploded perspective view of the apparatus.
Figure 6 is a system block diagram of the apparatus.
Figure 7 is a cross sectional view of the apparatus open and through line B-B' of Figure 4.
Figure 8 is a cross sectional view of the apparatus closed and through line B-B' of Figure 4.
Figure 9 is a cross sectional view of the apparatus through line A-A' of Figure 4.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
The drawings illustrate an electronic book that is configured to read data encoded as a pattern printed on a sheet of card.
With reference to Figures 1 and 2, there is depicted a view of the front of an electronic book or "e-book" 2 according to a preferred embodiment of the invention. The e-book has a foldable housing including first and second housing portions in the form of front door 6 and a rear door 8 each pivotally connected to a spine 16. A clasp 14 holds the two doors closed when the e-book is not being used. The outside of the front door 6 features a clear window 10 through which a data card 18 is visible. The data card is inserted under the window through a card slot 24 and is engaged by a roller and fed into an internal cartridge 38 (Fig. 5). On one side of the data card there is printed information for a user to read such as the title and author of a book. Accordingly a user of the e-book is able to determine at a glance the content that the e-book is loaded with. The text of the book is encoded as a pattern on the reverse side of the data card.
At the top of the outside of front door 6 there is located an ej ect button 12. Upon operation of the eject button, card 18 is ejected from the e-book by the internal roller mechanism.
At the base of spine 16 there is located a battery cover 4 that covers a battery compartment for accommodating two AAA size batteries that power the e-book.
The outside of rear door 8 is visible in Figure 3. Storage magazine 20 is hinged to swing out from rear door 8 to a position, as shown, where data cards 22 may be stored or selected for removal and insertion into card slot 24.
Figure 4 shows the e-book with the front and rear doors swung about spinel6 to an open position. In that position a flexible LCD screen 24 is visible. It is preferred that a VGA resolution monochrome screen be used being a passive bi-stable reflective polymer doped liquid crystal (PDLC) display fabricated on a flexible polymer substrate.
By using a bi-stable screen power consumption is reduced as the screen draws zero current while presenting a static image.
The LCD screen operatively displays the text of the book encoded on card 24. A
user of the e-book is able to control which page of text is presented by means of joystick 26.
The internal arrangement of the e-book may be comprehended by referring to Figure 5 which is an exploded view. It will be noted that on the underside of LCD 24 there are located two PCBs 26 and 28. PCB 28 has mounted directly upon it a scanner head 30.
The PCBs 26 and 28 are loaded with various electronic components including a microprocessor, RAM and ROM memory chips and power supply conditioning circuitry. It is envisaged that a VLIW microprocessor and accompanying circuitry, as described in US
Patent No. 6,362,868, issued 26 March 2002, be used. PCBs 26 and 28 communicate by means of conductive traces on the back of flexible LCD 24. The conductive traces terminate in peripheral contact regions 58 and 60 of the LCD screen which are folded over the edges of the PCB's to form connections with contact pads on the PCBs.
Adjacent scan head 30 there is located a motor 32 which drives roller 34 via reduction gearing. A switch 36 is provided to detect depression of eject button 12. Figure 5 provides a further exploded view internal cartridge 38 and window 10.
Power for the electric motor and various circuit modules is conveyed from a battery compartment in the spine of the e-book to PCB 28 by means of cable 29.
A block diagram of various electronic components of the e-book is shown in Figure 6. Power from batteries 40 is conditioned and distributed by power supply circuit 42 to the various circuit modules located on the PCBs. To extend battery life, the processor circuitry is powered down whenever the screen display is constant. Near zero power consumption allows the e-book to appear to always be "on" in the manner of a conventional paper based book.
Processing module 44 includes a central processing unit 46, which communicates with BIOS memory chip 48 and RAM 50 in the conventional manner. T'he CPU
operates according to a program stored in program memory chip 52. The processing module receives data and control signals from eject sensor 36, joystick 26 and scanner 30. In a further, more complex implementation, LCD screen 24 may be touch sensitive in which case the processing module would also be responsive to command signals generated by a user touching the LCD screen.
In operation a book data card is inserted through card slot 24. In response card insertion sensor 48 generates a signal alerting processing module 44 to activate electric motor 32 thereby causing roller 34 to draw the card into internal cartridge 38. As the card is drawn in scan head 30 converts a pattern on the card into corresponding data signals which are decoded by CPU 46 according to an algorithm implemented in the software stored in program memory chip 52. The resulting decoded text file is stored in RAM 50.
The decoded signals are displayed as readable text on LCD 24 under control of display controller 44. Of course, as referred to previously, in magazines and some books, such as childrens' books, technical volumes and manuals, illustrations or graphics may - -----------such as childrens' books, technical volumes and manuals, illustrations or graphics may feature prominently. Accordingly, the software stored in program memory chip 52 may also include instructions to decode figures encoded on the book data card.
The processing module 44 is responsive to signals generated by joystick 26 and is programmed to allow a user to move forward or backwards through the displayed text. In particular, processing module 44 retrieves different data segments from RAM 50 in response to movement of the joystick.
Several systems for encoding the data cards are appropriate and have been described in the prior art. For example, in US Patent No. 6,176,427 there is described a method for coding digital data, such as a text file, into a pattern printable on an A4 or Letter size piece of paper. In the system that is described it is possible to encode slightly more than 1MB of data on to one side of a printed letter size page of paper using a high resolution printer and a 600 dpi scanner. In the presently described preferred embodiment the scanner head 30 is implemented by means of the scan head technology described in US Patent No.
6,362,868, issued 26 March 2002. Such a scanner has an output resolution of 4800 dpi.
It is further envisaged that the data card be produced using the very high resolution print heads described in the previously referred to US Patent No. 6,362,868, issued 26 March 2002. Accordingly the amount of data that may be stored on a data card of dimensions 8.5cm x 5 cm (3.5" x 2") is approximately 1Mb. Encoding of the text on to the data card may be performed as described in US Patent No. 6,786,420, issued 7 September 2004.
Accordingly an entire novel may be stored on a single credit card sized plastic card by means of a pattern formed as an array of 16 million printed ink dots. The manufacturing cost per card is less than 1 cent, or about one fiftieth the cost of manufacturing a floppy disk. While it is envisaged that the card be made of plastic it would also be possible to use other substrates such as paper.
While it is primarily envisaged that the data stored on the data card will correspond to the text of a book or magazine, it is also possible to encode an dxecutable program file.
Accordingly updates to the software program stored in program memory 43 may be conveniently distributed in the form of encoded data cards.
The mechanical arrangement of the e-book will now be described further with reference to Figure 7 where it will be noted that front door 6 and rear door 8 are independently pivoted about hinges 50 and 52. Power cable 29 is deliberately left slack to accommodate movement of the front door 6 during closure of the book. It will be noted that the spine 16 and outer surfaces of the front and rear doors are configured so that upon fully opening the e-book the flexible LCD screen is drawn taught and flat for convenient viewing.
A further cross sectional view of the e-book, with doors 6 and 8 brought to a closed position appears in Figure 8. It will be noted that in the closed position a mid portion 54 of the flexible LCD screen 24 is able to loop into the spine by virtue of a recess fornied in the spine for and front and rear doors for receiving the screen. Consequently creasing and damage of the LCD screen is avoided.
Also visible in Figure 8 are screen-to-PCB contact areas 58, 60 which respectively connect the underside of the PCB to the outer edges of each of PCBs 26 and 28.
As previously explained, conductive traces on the underside of the PCB provide a path for the PCBs to exchange power and data signals.
A further cross-sectional view is provided in Figure 9 through the long axis of spine 16 showing two AAA batteries located in a battery compartment formed in the spine.
As will be realized by those skilled in the art, embodiments of the invention other than the preferred embodiment described in detail herein are possible. Accordingly the following claims are not to be read as limited by the preferred embodiment.
At the top of the outside of front door 6 there is located an ej ect button 12. Upon operation of the eject button, card 18 is ejected from the e-book by the internal roller mechanism.
At the base of spine 16 there is located a battery cover 4 that covers a battery compartment for accommodating two AAA size batteries that power the e-book.
The outside of rear door 8 is visible in Figure 3. Storage magazine 20 is hinged to swing out from rear door 8 to a position, as shown, where data cards 22 may be stored or selected for removal and insertion into card slot 24.
Figure 4 shows the e-book with the front and rear doors swung about spinel6 to an open position. In that position a flexible LCD screen 24 is visible. It is preferred that a VGA resolution monochrome screen be used being a passive bi-stable reflective polymer doped liquid crystal (PDLC) display fabricated on a flexible polymer substrate.
By using a bi-stable screen power consumption is reduced as the screen draws zero current while presenting a static image.
The LCD screen operatively displays the text of the book encoded on card 24. A
user of the e-book is able to control which page of text is presented by means of joystick 26.
The internal arrangement of the e-book may be comprehended by referring to Figure 5 which is an exploded view. It will be noted that on the underside of LCD 24 there are located two PCBs 26 and 28. PCB 28 has mounted directly upon it a scanner head 30.
The PCBs 26 and 28 are loaded with various electronic components including a microprocessor, RAM and ROM memory chips and power supply conditioning circuitry. It is envisaged that a VLIW microprocessor and accompanying circuitry, as described in US
Patent No. 6,362,868, issued 26 March 2002, be used. PCBs 26 and 28 communicate by means of conductive traces on the back of flexible LCD 24. The conductive traces terminate in peripheral contact regions 58 and 60 of the LCD screen which are folded over the edges of the PCB's to form connections with contact pads on the PCBs.
Adjacent scan head 30 there is located a motor 32 which drives roller 34 via reduction gearing. A switch 36 is provided to detect depression of eject button 12. Figure 5 provides a further exploded view internal cartridge 38 and window 10.
Power for the electric motor and various circuit modules is conveyed from a battery compartment in the spine of the e-book to PCB 28 by means of cable 29.
A block diagram of various electronic components of the e-book is shown in Figure 6. Power from batteries 40 is conditioned and distributed by power supply circuit 42 to the various circuit modules located on the PCBs. To extend battery life, the processor circuitry is powered down whenever the screen display is constant. Near zero power consumption allows the e-book to appear to always be "on" in the manner of a conventional paper based book.
Processing module 44 includes a central processing unit 46, which communicates with BIOS memory chip 48 and RAM 50 in the conventional manner. T'he CPU
operates according to a program stored in program memory chip 52. The processing module receives data and control signals from eject sensor 36, joystick 26 and scanner 30. In a further, more complex implementation, LCD screen 24 may be touch sensitive in which case the processing module would also be responsive to command signals generated by a user touching the LCD screen.
In operation a book data card is inserted through card slot 24. In response card insertion sensor 48 generates a signal alerting processing module 44 to activate electric motor 32 thereby causing roller 34 to draw the card into internal cartridge 38. As the card is drawn in scan head 30 converts a pattern on the card into corresponding data signals which are decoded by CPU 46 according to an algorithm implemented in the software stored in program memory chip 52. The resulting decoded text file is stored in RAM 50.
The decoded signals are displayed as readable text on LCD 24 under control of display controller 44. Of course, as referred to previously, in magazines and some books, such as childrens' books, technical volumes and manuals, illustrations or graphics may - -----------such as childrens' books, technical volumes and manuals, illustrations or graphics may feature prominently. Accordingly, the software stored in program memory chip 52 may also include instructions to decode figures encoded on the book data card.
The processing module 44 is responsive to signals generated by joystick 26 and is programmed to allow a user to move forward or backwards through the displayed text. In particular, processing module 44 retrieves different data segments from RAM 50 in response to movement of the joystick.
Several systems for encoding the data cards are appropriate and have been described in the prior art. For example, in US Patent No. 6,176,427 there is described a method for coding digital data, such as a text file, into a pattern printable on an A4 or Letter size piece of paper. In the system that is described it is possible to encode slightly more than 1MB of data on to one side of a printed letter size page of paper using a high resolution printer and a 600 dpi scanner. In the presently described preferred embodiment the scanner head 30 is implemented by means of the scan head technology described in US Patent No.
6,362,868, issued 26 March 2002. Such a scanner has an output resolution of 4800 dpi.
It is further envisaged that the data card be produced using the very high resolution print heads described in the previously referred to US Patent No. 6,362,868, issued 26 March 2002. Accordingly the amount of data that may be stored on a data card of dimensions 8.5cm x 5 cm (3.5" x 2") is approximately 1Mb. Encoding of the text on to the data card may be performed as described in US Patent No. 6,786,420, issued 7 September 2004.
Accordingly an entire novel may be stored on a single credit card sized plastic card by means of a pattern formed as an array of 16 million printed ink dots. The manufacturing cost per card is less than 1 cent, or about one fiftieth the cost of manufacturing a floppy disk. While it is envisaged that the card be made of plastic it would also be possible to use other substrates such as paper.
While it is primarily envisaged that the data stored on the data card will correspond to the text of a book or magazine, it is also possible to encode an dxecutable program file.
Accordingly updates to the software program stored in program memory 43 may be conveniently distributed in the form of encoded data cards.
The mechanical arrangement of the e-book will now be described further with reference to Figure 7 where it will be noted that front door 6 and rear door 8 are independently pivoted about hinges 50 and 52. Power cable 29 is deliberately left slack to accommodate movement of the front door 6 during closure of the book. It will be noted that the spine 16 and outer surfaces of the front and rear doors are configured so that upon fully opening the e-book the flexible LCD screen is drawn taught and flat for convenient viewing.
A further cross sectional view of the e-book, with doors 6 and 8 brought to a closed position appears in Figure 8. It will be noted that in the closed position a mid portion 54 of the flexible LCD screen 24 is able to loop into the spine by virtue of a recess fornied in the spine for and front and rear doors for receiving the screen. Consequently creasing and damage of the LCD screen is avoided.
Also visible in Figure 8 are screen-to-PCB contact areas 58, 60 which respectively connect the underside of the PCB to the outer edges of each of PCBs 26 and 28.
As previously explained, conductive traces on the underside of the PCB provide a path for the PCBs to exchange power and data signals.
A further cross-sectional view is provided in Figure 9 through the long axis of spine 16 showing two AAA batteries located in a battery compartment formed in the spine.
As will be realized by those skilled in the art, embodiments of the invention other than the preferred embodiment described in detail herein are possible. Accordingly the following claims are not to be read as limited by the preferred embodiment.
Claims (13)
1. A foldable electronic text and/or graphics presentation device, the device, when unfolded, defining an outer surface and an inner surface opposite the outer surface, the device comprising:
first and second display surfaces operable to display the text and/or graphics, the first and second display surfaces being provided on the inner surface;
a media slot provided on the outer surface, and adapted to receive therein a printed storage medium;
a first electronics circuit provided between the media slot and the first display surface, the first electronics circuit having provided on a side facing the media slot a scanning means operable to scan a printed pattern encoding text and/or graphics from the printed storage medium;
a processing means coupled to the scanning means operatively programmed to generate a data signal corresponding to the text and/or graphics; and a display means partially provided on the first electronics circuit on a side facing the first display surface, the display means being controlled by the processing means and operable to display the text and/or graphics on one or more of the first and second display surfaces.
first and second display surfaces operable to display the text and/or graphics, the first and second display surfaces being provided on the inner surface;
a media slot provided on the outer surface, and adapted to receive therein a printed storage medium;
a first electronics circuit provided between the media slot and the first display surface, the first electronics circuit having provided on a side facing the media slot a scanning means operable to scan a printed pattern encoding text and/or graphics from the printed storage medium;
a processing means coupled to the scanning means operatively programmed to generate a data signal corresponding to the text and/or graphics; and a display means partially provided on the first electronics circuit on a side facing the first display surface, the display means being controlled by the processing means and operable to display the text and/or graphics on one or more of the first and second display surfaces.
2. An electronic text and/or graphics presentation device according to claim 1 including a foldable housing comprising first and second housing portions pivotal relative to each other, the first housing incorporating at least the first display surface, the media slot, and the first electronics circuit, and the second housing incorporating at least the second display surface.
3. An electronic text and/or graphics presentation device according to claim 2, wherein the first and second housing portions are each pivotally connected to a common spine.
4. An electronic text and/or graphics presentation device according to claim 3, wherein the spine includes a battery compartment.
5. An electronic text and/or graphics presentation device according to claim 2, wherein the printed storage medium is a card and said device includes a roller mechanism arranged to retract the card into said media slot.
6. An electronic text and/or graphics presentation device according to claim 5, wherein the roller mechanism is incorporated into the first housing portion.
7. An electronic text and/or graphics presentation device according to claim 6, wherein the first housing portion includes a window for observing a card retracted into the media slot.
8. An electronic text and/or graphics presentation device according to claim 2, wherein the printed storage medium is a card and wherein said device further includes a card storage magazine formed in the second housing portion.
9. An electronic text and/or graphics presentation device according to claim 2, wherein the display means comprises a flexible LCD screen located across the inner surfaces of the first and second housing portions.
10. An electronic text and/or graphics presentation device according to claim 9, wherein the flexible LCD screen uses bi-stable liquid crystal.
11. An electronic text and/or graphics presentation device according to claim 3, including a recess for receiving a loop of a flexible LCD screen upon pivoting the first and second housing portions to a closed position in order that creasing of the LCD
screen is avoided.
screen is avoided.
12. An electronic text and/or graphics presentation device according to claim l, further comprising a user input control means.
13. An electronic text and/or graphics presentation device according to claim 12, wherein the user input control means comprises a joystick assembly.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/942,602 US20030043095A1 (en) | 2001-08-31 | 2001-08-31 | Scanning electronic book |
| US09/942,602 | 2001-08-31 | ||
| PCT/AU2002/001165 WO2003019338A1 (en) | 2001-08-31 | 2002-08-29 | Scanning electronic book |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2458637A1 CA2458637A1 (en) | 2003-03-06 |
| CA2458637C true CA2458637C (en) | 2010-03-23 |
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| CA2458637A Expired - Fee Related CA2458637C (en) | 2001-08-31 | 2002-08-29 | Scanning electronic book |
Country Status (10)
| Country | Link |
|---|---|
| US (8) | US20030043095A1 (en) |
| EP (1) | EP1430381A4 (en) |
| JP (1) | JP2005500633A (en) |
| KR (1) | KR100594845B1 (en) |
| CN (1) | CN1266563C (en) |
| AU (1) | AU2002328662B2 (en) |
| CA (1) | CA2458637C (en) |
| IL (2) | IL160633A0 (en) |
| WO (1) | WO2003019338A1 (en) |
| ZA (1) | ZA200401819B (en) |
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- 2001-08-31 US US09/942,602 patent/US20030043095A1/en not_active Abandoned
-
2002
- 2002-08-29 CN CNB028201388A patent/CN1266563C/en not_active Expired - Fee Related
- 2002-08-29 AU AU2002328662A patent/AU2002328662B2/en not_active Ceased
- 2002-08-29 KR KR1020047003056A patent/KR100594845B1/en not_active IP Right Cessation
- 2002-08-29 US US10/487,839 patent/US7167158B2/en not_active Expired - Fee Related
- 2002-08-29 JP JP2003523338A patent/JP2005500633A/en active Pending
- 2002-08-29 IL IL16063302A patent/IL160633A0/en unknown
- 2002-08-29 WO PCT/AU2002/001165 patent/WO2003019338A1/en active Application Filing
- 2002-08-29 EP EP02764373A patent/EP1430381A4/en not_active Ceased
- 2002-08-29 CA CA2458637A patent/CA2458637C/en not_active Expired - Fee Related
- 2002-12-02 US US10/307,347 patent/US20030063058A1/en not_active Abandoned
-
2004
- 2004-02-26 IL IL160633A patent/IL160633A/en not_active IP Right Cessation
- 2004-03-05 ZA ZA200401819A patent/ZA200401819B/en unknown
-
2006
- 2006-01-11 US US11/329,040 patent/US7548220B2/en not_active Expired - Fee Related
- 2006-01-11 US US11/329,039 patent/US7567221B2/en not_active Expired - Fee Related
-
2009
- 2009-05-31 US US12/475,556 patent/US7880688B2/en not_active Expired - Fee Related
- 2009-07-05 US US12/497,692 patent/US7973739B2/en not_active Expired - Fee Related
-
2011
- 2011-05-30 US US13/118,454 patent/US20110227821A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003019338A1 (en) | 2003-03-06 |
| US20060119577A1 (en) | 2006-06-08 |
| US7567221B2 (en) | 2009-07-28 |
| US7880688B2 (en) | 2011-02-01 |
| ZA200401819B (en) | 2005-05-03 |
| KR20040029128A (en) | 2004-04-03 |
| CA2458637A1 (en) | 2003-03-06 |
| KR100594845B1 (en) | 2006-06-30 |
| US20030063058A1 (en) | 2003-04-03 |
| US20090267872A1 (en) | 2009-10-29 |
| US20030043095A1 (en) | 2003-03-06 |
| AU2002328662B2 (en) | 2007-01-04 |
| US7973739B2 (en) | 2011-07-05 |
| US20060109243A1 (en) | 2006-05-25 |
| CN1568449A (en) | 2005-01-19 |
| EP1430381A4 (en) | 2005-12-21 |
| JP2005500633A (en) | 2005-01-06 |
| US20040239601A1 (en) | 2004-12-02 |
| US7548220B2 (en) | 2009-06-16 |
| US20090236411A1 (en) | 2009-09-24 |
| IL160633A0 (en) | 2004-07-25 |
| EP1430381A1 (en) | 2004-06-23 |
| IL160633A (en) | 2010-11-30 |
| US7167158B2 (en) | 2007-01-23 |
| CN1266563C (en) | 2006-07-26 |
| US20110227821A1 (en) | 2011-09-22 |
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| EEER | Examination request | ||
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Effective date: 20130829 |