CA893337A - Data communication system - Google Patents

Data communication system

Info

Publication number: CA893337A
Authority: CA; Canada
Prior art keywords: communication system; data communication; data; communication
Prior art date: 1969-11-10
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

Application number

CA893337A

Inventor

A. Arulpragasam Jeganandaraj

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

IBM Canada Ltd

Original Assignee

IBM Canada Ltd

Priority date (The priority date 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 date listed.)

1969-11-10

Filing date

1969-11-10

Publication date

1972-02-15

1969-11-10 Application filed by IBM Canada Ltd filed Critical IBM Canada Ltd

1972-02-15 Application granted granted Critical

1972-02-15 Publication of CA893337A publication Critical patent/CA893337A/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
- H04L12/423—Loop networks with centralised control, e.g. polling

CA893337A 1969-11-10 1969-11-10 Data communication system Expired CA893337A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA67036		1969-11-10

Publications (1)

Publication Number	Publication Date
CA893337A true CA893337A (en)	1972-02-15

Family

ID=4085901

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA893337A Expired CA893337A (en)	1969-11-10	1969-11-10	Data communication system

Country Status (8)

Country	Link
US (1)	US3639904A (en)
JP (1)	JPS5024043B1 (en)
CA (1)	CA893337A (en)
FI (1)	FI54203C (en)
FR (1)	FR2082936A5 (en)
GB (1)	GB1283445A (en)
NO (1)	NO136482C (en)
SE (1)	SE411802B (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3398234A (en) *	1964-08-04	1968-08-20	American Telephone & Telegraph	Multiple address circuit
AT274054B (en) *	1967-12-01	1969-09-10	Siemens Ag	Circuit arrangement for centrally controlled telecommunications systems, in particular telephone switching systems
JPS5027706B1 (en) *	1970-11-09	1975-09-09
US3739338A (en) *	1971-07-23	1973-06-12	Xerox Corp	Data coupling apparatus
CH527547A (en) *	1971-08-13	1972-08-31	Ibm	Method for information transmission with a priority scheme in a time division multiplex message transmission system with a ring line
US3749845A (en) *	1971-08-27	1973-07-31	Bell Telephone Labor Inc	Digital data communication system
USRE31319E (en) *	1971-08-27	1983-07-19	Bell Telephone Laboratories, Incorporated	Digital data communication system
JPS534761B2 (en) *	1971-12-10	1978-02-21
US3752932A (en) *	1971-12-14	1973-08-14	Ibm	Loop communications system
US3743789A (en) *	1971-12-27	1973-07-03	Bell Telephone Labor Inc	Busy bit for time division multiplex signals to reduce signal processing time
US3755786A (en) *	1972-04-27	1973-08-28	Ibm	Serial loop data transmission system
JPS5325202B2 (en) *	1972-08-29	1978-07-25
US3755789A (en) *	1972-10-30	1973-08-28	Collins Radio Co	Expandable computer processor and communication system
US3914743A (en) *	1972-11-24	1975-10-21	Bell Telephone Labor Inc	Data system multibranch junction circuit having branch line selection
JPS5444161B2 (en) *	1973-09-08	1979-12-24
US4016539A (en) *	1973-09-12	1977-04-05	Nippon Electric Company, Ltd.	Asynchronous arbiter
US3950731A (en) *	1973-12-26	1976-04-13	General Electric Company	Data processing arrangement for printers
US3919483A (en) *	1973-12-26	1975-11-11	Ibm	Parallel multiplexed loop interface for data transfer and control between data processing systems and subsystems
US3921137A (en) *	1974-06-25	1975-11-18	Ibm	Semi static time division multiplex slot assignment
US3961139A (en) *	1975-05-14	1976-06-01	International Business Machines Corporation	Time division multiplexed loop communication system with dynamic allocation of channels
JPS536546A (en) *	1976-07-07	1978-01-21	Fujitsu Ltd	Information transfer system
US4486852A (en) *	1978-06-05	1984-12-04	Fmc Corporation	Synchronous time-shared data bus system
US4209840A (en) *	1978-06-28	1980-06-24	Honeywell Inc.	Data processing protocol system
US4296492A (en) *	1979-12-26	1981-10-20	Bell Telephone Laboratories, Incorporated	Continuity verification arrangement
US4359731A (en) *	1980-08-22	1982-11-16	Phillips Petroleum Company	Communication link contention resolution system
DE3133347A1 (en) *	1981-08-22	1983-03-10	TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg	METHOD FOR ACCESSING TRANSMISSION CHANNELS OF A MESSAGE TRANSMISSION SYSTEM
US4627070A (en) *	1981-09-16	1986-12-02	Fmc Corporation	Asynchronous data bus system
JPH0671270B2 (en) *	1982-01-26	1994-09-07	株式会社日立製作所	Data transmission network
US4472798A (en) *	1982-02-04	1984-09-18	At&T Bell Laboratories	Telecommunication path substitution arrangement
US4491838A (en) *	1982-07-28	1985-01-01	International Business Machines Corporation	Starloop communication network and control system therefor
US4907224A (en) *	1986-10-17	1990-03-06	Bydatel Corporation	Method for transmitting data in multiple access data communications networks
DE68915768T2 (en) *	1989-06-23	1994-09-15	Bell Telephone Mfg	COMMUNICATION SYSTEM.
US8060923B2 (en)	2004-04-23	2011-11-15	Microsoft Corporation	Trusted license removal in a content protection system or the like
CA2848307A1 (en)	2011-08-08	2013-02-14	Novano Corporation	Service over ethernet interconnectable wall plate (soeicwp) module

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3323119A (en) *	1963-12-30	1967-05-30	Ibm	Display system for a data processing unit
US3350697A (en) *	1965-02-24	1967-10-31	Collins Radio Co	Storage means for receiving, assembling, and distributing teletype characters
US3456242A (en) *	1966-01-24	1969-07-15	Digiac Corp	Data handling system and method
US3483329A (en) *	1966-02-11	1969-12-09	Ultronic Systems Corp	Multiplex loop system
US3485953A (en) *	1966-12-06	1969-12-23	Control Data Corp	Asynchronous time-sharing of multi-carrier channels
US3544976A (en) *	1968-07-02	1970-12-01	Collins Radio Co	Digitalized communication system with computation and control capabilities employing transmission line loop for data transmission
US3529089A (en) *	1968-08-28	1970-09-15	Bell Telephone Labor Inc	Distributed subscriber carrier-concentrator system

1969
- 1969-11-10 CA CA893337A patent/CA893337A/en not_active Expired
1970
- 1970-05-05 US US34778A patent/US3639904A/en not_active Expired - Lifetime
- 1970-09-28 FR FR7036299A patent/FR2082936A5/fr not_active Expired
- 1970-11-02 JP JP45096003A patent/JPS5024043B1/ja active Pending
- 1970-11-05 FI FI2974/70A patent/FI54203C/en active
- 1970-11-09 GB GB53154/70A patent/GB1283445A/en not_active Expired
- 1970-11-10 NO NO4285/70A patent/NO136482C/en unknown
- 1970-11-10 SE SE7015176A patent/SE411802B/en unknown

Also Published As

Publication number	Publication date
FR2082936A5 (en)	1971-12-10
NO136482B (en)	1977-05-31
FI54203C (en)	1978-10-10
US3639904A (en)	1972-02-01
FI54203B (en)	1978-06-30
JPS5024043B1 (en)	1975-08-13
SE411802B (en)	1980-02-04
GB1283445A (en)	1972-07-26
DE2045445A1 (en)	1971-05-19
DE2045445B2 (en)	1971-08-19
NO136482C (en)	1977-09-07

Publication	Publication Date	Title
CA893337A (en)	1972-02-15	Data communication system
CA934066A (en)	1973-09-18	Data communication system
AU457347B2 (en)	1974-12-18	Data communication system
CA922635A (en)	1973-03-13	Coded communication system
CA977477A (en)	1975-11-04	Data communication system
CA958467A (en)	1974-11-26	Data insertion system
AU468391B2 (en)	1976-01-08	Data communication system
CA1016659A (en)	1977-08-30	Data communication system
AU433161B2 (en)	1971-11-25	Data communication systems
AU1539470A (en)	1971-11-25	Data communication systems
AU438226B2 (en)	1971-11-04	A data communication system
AU428678B2 (en)	1971-05-27	A data communication system
AU447739B2 (en)	1972-10-12	Data communication system
CA819912A (en)	1969-08-05	Data reduction system
CA818727A (en)	1969-07-22	Data transmission system
AU444220B2 (en)	1972-06-29	Data transmission system
CA819916A (en)	1969-08-05	Data transmission system
AU442267B2 (en)	1971-07-01	Data transmission system
AU428527B2 (en)	1971-02-25	Data transmission system
CA806824A (en)	1969-02-18	Data transmission system
CA813990A (en)	1969-05-27	Communication system with alternate data link
AU6420369A (en)	1971-05-27	A data communication system
AU1457070A (en)	1971-11-04	A data communication system
CA807310A (en)	1969-02-25	Data communication processor
CA819917A (en)	1969-08-05	Data entry system