GB2272813B - Optical fibre transmission system - Google Patents

Optical fibre transmission system

Info

Publication number
GB2272813B
GB2272813B GB8714512A GB8714512A GB2272813B GB 2272813 B GB2272813 B GB 2272813B GB 8714512 A GB8714512 A GB 8714512A GB 8714512 A GB8714512 A GB 8714512A GB 2272813 B GB2272813 B GB 2272813B
Authority
GB
United Kingdom
Prior art keywords
transmission system
optical fibre
fibre transmission
optical
transmission
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
GB8714512A
Other versions
GB2272813A (en
GB8714512D0 (en
Inventor
Kevin Christopher Byron
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.)
Nortel Networks Ltd
STC PLC
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd, STC PLC filed Critical Northern Telecom Ltd
Priority to GB8714512A priority Critical patent/GB2272813B/en
Publication of GB8714512D0 publication Critical patent/GB8714512D0/en
Publication of GB2272813A publication Critical patent/GB2272813A/en
Application granted granted Critical
Publication of GB2272813B publication Critical patent/GB2272813B/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
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • H04B10/85—Protection from unauthorised access, e.g. eavesdrop protection
GB8714512A 1987-06-20 1987-06-20 Optical fibre transmission system Expired - Fee Related GB2272813B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8714512A GB2272813B (en) 1987-06-20 1987-06-20 Optical fibre transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8714512A GB2272813B (en) 1987-06-20 1987-06-20 Optical fibre transmission system

Publications (3)

Publication Number Publication Date
GB8714512D0 GB8714512D0 (en) 1994-03-02
GB2272813A GB2272813A (en) 1994-05-25
GB2272813B true GB2272813B (en) 1994-10-05

Family

ID=10619296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8714512A Expired - Fee Related GB2272813B (en) 1987-06-20 1987-06-20 Optical fibre transmission system

Country Status (1)

Country Link
GB (1) GB2272813B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009534A1 (en) * 1978-06-20 1980-04-16 CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. Wavelength division system with reduced cross-talking between each of the channels

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009534A1 (en) * 1978-06-20 1980-04-16 CSELT Centro Studi e Laboratori Telecomunicazioni S.p.A. Wavelength division system with reduced cross-talking between each of the channels

Also Published As

Publication number Publication date
GB2272813A (en) 1994-05-25
GB8714512D0 (en) 1994-03-02

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950105