GB2177873B - Communications system - Google Patents

Communications system

Info

Publication number: GB2177873B
Authority: GB; United Kingdom
Prior art keywords: communications system; communications
Prior art date: 1985-07-19
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

GB8518307A

Other versions

GB2177873A (en

GB8518307D0 (en

Inventor

Ian Arthur Davidson

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.)

Marconi Electronic Devices Ltd

Original Assignee

Marconi Electronic Devices 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.)

1985-07-19

Filing date

1985-07-19

Publication date

1989-11-22

1985-07-19 Application filed by Marconi Electronic Devices Ltd filed Critical Marconi Electronic Devices Ltd

1985-07-19 Priority to GB8518307A priority Critical patent/GB2177873B/en

1985-08-29 Publication of GB8518307D0 publication Critical patent/GB8518307D0/en

1987-01-28 Publication of GB2177873A publication Critical patent/GB2177873A/en

1989-11-22 Application granted granted Critical

1989-11-22 Publication of GB2177873B publication Critical patent/GB2177873B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
- H04L5/1484—Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise
- H04L5/1492—Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise with time compression, e.g. operating according to the ping-pong technique
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
- H04M9/022—Multiplex systems
- H04M9/025—Time division multiplex systems, e.g. loop systems
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Multimedia (AREA)
Radio Relay Systems (AREA)

GB8518307A 1985-07-19 1985-07-19 Communications system Expired GB2177873B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8518307A GB2177873B (en)	1985-07-19	1985-07-19	Communications system

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8518307A GB2177873B (en)	1985-07-19	1985-07-19	Communications system

Publications (3)

Publication Number	Publication Date
GB8518307D0 GB8518307D0 (en)	1985-08-29
GB2177873A GB2177873A (en)	1987-01-28
GB2177873B true GB2177873B (en)	1989-11-22

Family

ID=10582556

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8518307A Expired GB2177873B (en)	1985-07-19	1985-07-19	Communications system

Country Status (1)

Country	Link
GB (1)	GB2177873B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6181335B1 (en)	1992-12-09	2001-01-30	Discovery Communications, Inc.	Card for a set top terminal
US6408437B1 (en)	1992-12-09	2002-06-18	Discovery Communications, Inc.	Reprogrammable terminal for suggesting programs offered on a television program delivery system
US6463585B1 (en)	1992-12-09	2002-10-08	Discovery Communications, Inc.	Targeted advertisement using television delivery systems
US6515680B1 (en)	1992-12-09	2003-02-04	Discovery Communications, Inc.	Set top terminal for television delivery system
US6539548B1 (en)	1992-12-09	2003-03-25	Discovery Communications, Inc.	Operations center for a television program packaging and delivery system
US6738978B1 (en)	1992-12-09	2004-05-18	Discovery Communications, Inc.	Method and apparatus for targeted advertising
US9009773B1 (en)	1998-06-30	2015-04-14	Cox Communications, Inc.	Method and apparatus for providing broadcast data services

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7168084B1 (en)	1992-12-09	2007-01-23	Sedna Patent Services, Llc	Method and apparatus for targeting virtual objects
US7835989B1 (en)	1992-12-09	2010-11-16	Discovery Communications, Inc.	Electronic book alternative delivery systems
US7849393B1 (en)	1992-12-09	2010-12-07	Discovery Communications, Inc.	Electronic book connection to world watch live
US9286294B2 (en)	1992-12-09	2016-03-15	Comcast Ip Holdings I, Llc	Video and digital multimedia aggregator content suggestion engine
US6201536B1 (en) *	1992-12-09	2001-03-13	Discovery Communications, Inc.	Network manager for cable television system headends
US8073695B1 (en)	1992-12-09	2011-12-06	Adrea, LLC	Electronic book with voice emulation features
US7509270B1 (en)	1992-12-09	2009-03-24	Discovery Communications, Inc.	Electronic Book having electronic commerce features
US7865567B1 (en)	1993-12-02	2011-01-04	Discovery Patent Holdings, Llc	Virtual on-demand electronic book
US9053640B1 (en)	1993-12-02	2015-06-09	Adrea, LLC	Interactive electronic book
US7861166B1 (en)	1993-12-02	2010-12-28	Discovery Patent Holding, Llc	Resizing document pages to fit available hardware screens
US8095949B1 (en)	1993-12-02	2012-01-10	Adrea, LLC	Electronic book with restricted access features
JP2991046B2 (en) *	1994-07-22	1999-12-20	三菱電機株式会社	Master-slave communication method
GB2295070B (en) *	1994-11-09	1999-11-17	Alps Electric Co Ltd	Multiplex communication system
US7908628B2 (en)	2001-08-03	2011-03-15	Comcast Ip Holdings I, Llc	Video and digital multimedia aggregator content coding and formatting
US7793326B2 (en)	2001-08-03	2010-09-07	Comcast Ip Holdings I, Llc	Video and digital multimedia aggregator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1210037A (en) *	1968-08-28	1970-10-28	Western Electric Co	Improvements in or relating to multichannel delta modulation message transmission systems
GB1362472A (en) *	1971-01-19	1974-08-07	Siemens Ag	Telecommunications exchange systems
GB1433241A (en) *	1973-02-06	1976-04-22	Plessey Co Ltd	Time division multiplex telecommunications switching system
GB1508854A (en) *	1975-07-04	1978-04-26	Ibm	Data handling system
EP0033469A1 (en) *	1980-01-30	1981-08-12	Siemens Aktiengesellschaft	Method and circuit arrangement for transmitting binary signals between peripheral units
EP0049568A1 (en) *	1980-10-03	1982-04-14	Northern Telecom Limited	TASI system including an order wire
GB2105148A (en) *	1981-07-23	1983-03-16	Standard Telephones Cables Ltd	Telecommunication exchange

1985
- 1985-07-19 GB GB8518307A patent/GB2177873B/en not_active Expired

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1210037A (en) *	1968-08-28	1970-10-28	Western Electric Co	Improvements in or relating to multichannel delta modulation message transmission systems
GB1362472A (en) *	1971-01-19	1974-08-07	Siemens Ag	Telecommunications exchange systems
GB1433241A (en) *	1973-02-06	1976-04-22	Plessey Co Ltd	Time division multiplex telecommunications switching system
GB1508854A (en) *	1975-07-04	1978-04-26	Ibm	Data handling system
EP0033469A1 (en) *	1980-01-30	1981-08-12	Siemens Aktiengesellschaft	Method and circuit arrangement for transmitting binary signals between peripheral units
EP0049568A1 (en) *	1980-10-03	1982-04-14	Northern Telecom Limited	TASI system including an order wire
GB2105148A (en) *	1981-07-23	1983-03-16	Standard Telephones Cables Ltd	Telecommunication exchange

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WO A1 80/00771 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6181335B1 (en)	1992-12-09	2001-01-30	Discovery Communications, Inc.	Card for a set top terminal
US6408437B1 (en)	1992-12-09	2002-06-18	Discovery Communications, Inc.	Reprogrammable terminal for suggesting programs offered on a television program delivery system
US6463585B1 (en)	1992-12-09	2002-10-08	Discovery Communications, Inc.	Targeted advertisement using television delivery systems
US6515680B1 (en)	1992-12-09	2003-02-04	Discovery Communications, Inc.	Set top terminal for television delivery system
US6539548B1 (en)	1992-12-09	2003-03-25	Discovery Communications, Inc.	Operations center for a television program packaging and delivery system
US6738978B1 (en)	1992-12-09	2004-05-18	Discovery Communications, Inc.	Method and apparatus for targeted advertising
US9009773B1 (en)	1998-06-30	2015-04-14	Cox Communications, Inc.	Method and apparatus for providing broadcast data services

Also Published As

Publication number	Publication date
GB2177873A (en)	1987-01-28
GB8518307D0 (en)	1985-08-29

Publication	Publication Date	Title
GB8521430D0 (en)	1985-10-02	Communications system
GB8510808D0 (en)	1985-06-05	Communication system
GB2193861B (en)	1990-05-23	Communications system
GB2170077B (en)	1989-10-25	Cordless communications system
GB8424297D0 (en)	1984-10-31	Communications system
GB8725543D0 (en)	1987-12-02	Communications system
GB8525070D0 (en)	1985-11-13	Communication system
GB8628279D0 (en)	1986-12-31	Communication system
GB2177873B (en)	1989-11-22	Communications system
GB2277231B (en)	1995-03-15	Communications system
GB8507534D0 (en)	1985-05-01	Communication system
GB8500452D0 (en)	1985-02-13	Communication system
GB8525413D0 (en)	1985-11-20	Optical communications system
GB8607911D0 (en)	1986-05-08	Communications arrangement
IL75670A (en)	1989-06-30	Secure communications system
GB2153188B (en)	1987-07-15	Communications system
GB8613438D0 (en)	1986-07-09	Communications system
GB2183424B (en)	1989-10-04	Communication systems
GB2196211B (en)	1990-07-04	Communications system
GB8507281D0 (en)	1985-04-24	Data communications system
GB8514235D0 (en)	1985-07-10	Communications units
GB2174270B (en)	1988-10-12	Telecommunication system
GB8604513D0 (en)	1986-04-03	Local communication system
GB8405505D0 (en)	1984-04-04	Communications system
GB8520990D0 (en)	1985-09-25	Communication systems

Legal Events

Date	Code	Title	Description
1991-03-20	PCNP	Patent ceased through non-payment of renewal fee
1991-12-04	728C	Application made for restoration (sect. 28/1977)
1992-07-08	728A	Order made restoring the patent (sect. 28/1977)
1992-07-08	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
2000-08-09	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
2005-03-09	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20040719

GB2177873B - Communications system - Google Patents

Info

Links

Classifications

Landscapes

Priority Applications (1)

Applications Claiming Priority (1)

Publications (3)

Family

ID=10582556

Family Applications (1)

Country Status (1)

Cited By (7)

Families Citing this family (15)

Citations (7)

Patent Citations (7)

Non-Patent Citations (1)

Cited By (7)

Also Published As

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