GB2198903B - Optical communication system - Google Patents

Optical communication system

Info

Publication number
GB2198903B
GB2198903B GB8630305A GB8630305A GB2198903B GB 2198903 B GB2198903 B GB 2198903B GB 8630305 A GB8630305 A GB 8630305A GB 8630305 A GB8630305 A GB 8630305A GB 2198903 B GB2198903 B GB 2198903B
Authority
GB
United Kingdom
Prior art keywords
communication system
optical communication
optical
communication
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
GB8630305A
Other versions
GB2198903A (en
GB8630305D0 (en
Inventor
David Philip Martin Chown
Isobel Jennifer Goddard
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.)
STC PLC
Original Assignee
STC PLC
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 STC PLC filed Critical STC PLC
Priority to GB8630305A priority Critical patent/GB2198903B/en
Publication of GB8630305D0 publication Critical patent/GB8630305D0/en
Publication of GB2198903A publication Critical patent/GB2198903A/en
Application granted granted Critical
Publication of GB2198903B publication Critical patent/GB2198903B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/275—Ring-type networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/271—Combination of different networks, e.g. star and ring configuration in the same network or two ring networks interconnected
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/272—Star-type networks or tree-type networks
    • H04B10/2725—Star-type networks without a headend
GB8630305A 1986-12-18 1986-12-18 Optical communication system Expired - Fee Related GB2198903B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8630305A GB2198903B (en) 1986-12-18 1986-12-18 Optical communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8630305A GB2198903B (en) 1986-12-18 1986-12-18 Optical communication system

Publications (3)

Publication Number Publication Date
GB8630305D0 GB8630305D0 (en) 1987-01-28
GB2198903A GB2198903A (en) 1988-06-22
GB2198903B true GB2198903B (en) 1991-03-20

Family

ID=10609241

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8630305A Expired - Fee Related GB2198903B (en) 1986-12-18 1986-12-18 Optical communication system

Country Status (1)

Country Link
GB (1) GB2198903B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01238236A (en) * 1988-03-18 1989-09-22 Hitachi Ltd Optical subscriber transmitting system
US5448389A (en) * 1989-12-22 1995-09-05 British Telecommunications Public Limited Company Passive optical ring network
SE500320C2 (en) * 1992-08-31 1994-05-30 Televerket Device at telecommunication networks for distributing / controlling one or more information channels in the network and method for establishing communication networks
JP2955555B1 (en) * 1998-02-13 1999-10-04 松下電器産業株式会社 Network system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563140A (en) * 1975-11-17 1980-03-19 Int Standard Electric Corp Multiple acess fibre optical bus communication system
GB1581803A (en) * 1978-03-21 1980-12-17 Standard Telephones Cables Ltd Data transmission system
EP0108640A2 (en) * 1982-11-05 1984-05-16 Nec Corporation Optical network system of bus architecture capable of rapidly detecting collision at each communication station
EP0179550A2 (en) * 1984-10-26 1986-04-30 Trw Inc. Controlled star network
EP0188379A2 (en) * 1985-01-16 1986-07-23 Westinghouse Electric Corporation Multi-star fiber optic network

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1563140A (en) * 1975-11-17 1980-03-19 Int Standard Electric Corp Multiple acess fibre optical bus communication system
GB1581803A (en) * 1978-03-21 1980-12-17 Standard Telephones Cables Ltd Data transmission system
EP0108640A2 (en) * 1982-11-05 1984-05-16 Nec Corporation Optical network system of bus architecture capable of rapidly detecting collision at each communication station
EP0179550A2 (en) * 1984-10-26 1986-04-30 Trw Inc. Controlled star network
EP0188379A2 (en) * 1985-01-16 1986-07-23 Westinghouse Electric Corporation Multi-star fiber optic network

Also Published As

Publication number Publication date
GB2198903A (en) 1988-06-22
GB8630305D0 (en) 1987-01-28

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20021218