GB2279206B - Video-telephony networks - Google Patents

Video-telephony networks

Info

Publication number
GB2279206B
GB2279206B GB9312624A GB9312624A GB2279206B GB 2279206 B GB2279206 B GB 2279206B GB 9312624 A GB9312624 A GB 9312624A GB 9312624 A GB9312624 A GB 9312624A GB 2279206 B GB2279206 B GB 2279206B
Authority
GB
United Kingdom
Prior art keywords
video
telephony networks
telephony
networks
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
Application number
GB9312624A
Other versions
GB2279206A (en
GB9312624D0 (en
Inventor
Anthony John Mullett
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.)
Amulet Electronics Ltd
Original Assignee
Amulet Electronics 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.)
Filing date
Publication date
Application filed by Amulet Electronics Ltd filed Critical Amulet Electronics Ltd
Priority to GB9312624A priority Critical patent/GB2279206B/en
Publication of GB9312624D0 publication Critical patent/GB9312624D0/en
Publication of GB2279206A publication Critical patent/GB2279206A/en
Application granted granted Critical
Publication of GB2279206B publication Critical patent/GB2279206B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • 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
    • 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
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN
    • 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
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
GB9312624A 1993-06-18 1993-06-18 Video-telephony networks Expired - Fee Related GB2279206B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9312624A GB2279206B (en) 1993-06-18 1993-06-18 Video-telephony networks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9312624A GB2279206B (en) 1993-06-18 1993-06-18 Video-telephony networks

Publications (3)

Publication Number Publication Date
GB9312624D0 GB9312624D0 (en) 1993-08-04
GB2279206A GB2279206A (en) 1994-12-21
GB2279206B true GB2279206B (en) 1997-03-12

Family

ID=10737395

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9312624A Expired - Fee Related GB2279206B (en) 1993-06-18 1993-06-18 Video-telephony networks

Country Status (1)

Country Link
GB (1) GB2279206B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6134223A (en) * 1996-09-18 2000-10-17 Motorola, Inc. Videophone apparatus, method and system for audio and video conferencing and telephony

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238691A (en) * 1989-11-30 1991-06-05 Stephen Robin Temple Multi-party videoconferencing configuration
EP0584938A2 (en) * 1992-07-29 1994-03-02 AT&T Corp. Bidirectional video telephony

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2238691A (en) * 1989-11-30 1991-06-05 Stephen Robin Temple Multi-party videoconferencing configuration
EP0584938A2 (en) * 1992-07-29 1994-03-02 AT&T Corp. Bidirectional video telephony

Also Published As

Publication number Publication date
GB2279206A (en) 1994-12-21
GB9312624D0 (en) 1993-08-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990618