GB0219794D0 - A variable optical attenuator - Google Patents

A variable optical attenuator

Info

Publication number: GB0219794D0
Authority: GB; United Kingdom
Prior art keywords: variable optical; optical attenuator; attenuator; variable; optical
Prior art date: 2002-08-23
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.): Ceased

Application number

GB0219794A

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.)

Kaiam Europe Ltd

Original Assignee

Alcatel Optronics UK 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.)

2002-08-23

Filing date

2002-08-23

Publication date

2002-10-02

2002-08-23 Application filed by Alcatel Optronics UK Ltd filed Critical Alcatel Optronics UK Ltd

2002-08-23 Priority to GB0219794A priority Critical patent/GB0219794D0/en

2002-10-02 Publication of GB0219794D0 publication Critical patent/GB0219794D0/en

2003-08-19 Priority to PCT/GB2003/003611 priority patent/WO2004019087A2/en

Status Ceased legal-status Critical Current

Links

GB0219794A 2002-08-23 2002-08-23 A variable optical attenuator Ceased GB0219794D0 (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
GB0219794A GB0219794D0 (en)	2002-08-23	2002-08-23	A variable optical attenuator
PCT/GB2003/003611 WO2004019087A2 (en)	2002-08-23	2003-08-19	A variable optical attenuator

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB0219794A GB0219794D0 (en)	2002-08-23	2002-08-23	A variable optical attenuator

Publications (1)

Publication Number	Publication Date
GB0219794D0 true GB0219794D0 (en)	2002-10-02

Family

ID=9942948

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB0219794A Ceased GB0219794D0 (en)	2002-08-23	2002-08-23	A variable optical attenuator

Country Status (2)

Country	Link
GB (1)	GB0219794D0 (en)
WO (1)	WO2004019087A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN105372798B (en) *	2015-12-08	2018-03-20	中国科学院上海光学精密机械研究所	High energy reflective optical attenuator
CN110986819B (en) *	2019-12-16	2021-04-06	西安工业大学	Fabry-Perot cavity type optical fiber curvature sensing probe and manufacturing method thereof
EP4264344A1 (en) *	2020-12-18	2023-10-25	Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.	Optical component

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5685702A (en) *	1979-12-14	1981-07-13	Fujitsu Ltd	Variable attenuator
JPS56102825A (en) *	1980-01-19	1981-08-17	Ritsuo Hasumi	Thick film variable light attenuator
JPS5933404A (en) *	1982-08-18	1984-02-23	Nippon Telegr & Teleph Corp <Ntt>	Optical attenuator
JPS6465506A (en) *	1987-09-04	1989-03-10	Seiko Instr & Electronics	Optical attenuator
JPH06294911A (en) *	1993-04-08	1994-10-21	Toray Ind Inc	Optical fixed attenuator and its manufacture
JP2847619B2 (en) *	1994-09-26	1999-01-20	ヒロセ電機株式会社	Variable optical attenuator
US5917985A (en) *	1995-12-30	1999-06-29	Korea Electronic Technology Institute	Optical attenuator
US6301425B1 (en) *	1999-02-22	2001-10-09	Agere Systems Optoelectronics Guardian Corp.	Magnetically tunable optical attenuator and method of attenuating signals
US6751395B1 (en) *	2001-11-09	2004-06-15	Active Optical Networks, Inc.	Micro-electro-mechanical variable optical attenuator

2002
- 2002-08-23 GB GB0219794A patent/GB0219794D0/en not_active Ceased
2003
- 2003-08-19 WO PCT/GB2003/003611 patent/WO2004019087A2/en not_active Ceased

Also Published As

Publication number	Publication date
WO2004019087A3 (en)	2006-05-11
WO2004019087A2 (en)	2004-03-04

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Legal Events

Date	Code	Title	Description
2004-06-09	AT	Applications terminated before publication under section 16(1)