GB2272813B - Optical fibre transmission system - Google Patents

Optical fibre transmission system

Info

Publication number: GB2272813B
Authority: GB; United Kingdom
Prior art keywords: transmission system; optical fibre; fibre transmission; optical; transmission
Prior art date: 1987-06-20
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

GB8714512D0 (en

GB2272813A (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.)

1987-06-20

Filing date

1987-06-20

Publication date

1994-10-05

1987-06-20 Application filed by Northern Telecom Ltd, STC PLC filed Critical Northern Telecom Ltd

1987-06-20 Priority to GB8714512A priority Critical patent/GB2272813B/en

1994-03-02 Publication of GB8714512D0 publication Critical patent/GB8714512D0/en

1994-05-25 Publication of GB2272813A publication Critical patent/GB2272813A/en

1994-10-05 Application granted granted Critical

1994-10-05 Publication of GB2272813B publication Critical patent/GB2272813B/en

2007-06-20 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Computer Security & Cryptography (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Optical Communication System (AREA)

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

1987
- 1987-06-20 GB GB8714512A patent/GB2272813B/en not_active Expired - Fee Related

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
GB8714512D0 (en)	1994-03-02
GB2272813A (en)	1994-05-25

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Legal Events

Date	Code	Title	Description
1994-06-22	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
1995-08-30	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19950105