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GB9009306D0 - Tunable optical filters - Google Patents

Tunable optical filters

Info

Publication number
GB9009306D0
GB9009306D0 GB909009306A GB9009306A GB9009306D0 GB 9009306 D0 GB9009306 D0 GB 9009306D0 GB 909009306 A GB909009306 A GB 909009306A GB 9009306 A GB9009306 A GB 9009306A GB 9009306 D0 GB9009306 D0 GB 9009306D0
Authority
GB
United Kingdom
Prior art keywords
optical filters
tunable optical
tunable
filters
optical
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.)
Pending
Application number
GB909009306A
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications 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 British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB909009306A priority Critical patent/GB9009306D0/en
Publication of GB9009306D0 publication Critical patent/GB9009306D0/en
Priority to US07/930,683 priority patent/US5305402A/en
Priority to EP91904285A priority patent/EP0571379B1/en
Priority to DE69131383T priority patent/DE69131383T2/en
Priority to JP3504268A priority patent/JPH05504419A/en
Priority to PCT/GB1991/000264 priority patent/WO1991013377A1/en
Priority to CA002076044A priority patent/CA2076044C/en
Priority to AU72518/91A priority patent/AU636961B2/en
Priority to GB9217733A priority patent/GB2257803B/en
Pending legal-status Critical Current

Links

GB909009306A 1990-02-20 1990-04-25 Tunable optical filters Pending GB9009306D0 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB909009306A GB9009306D0 (en) 1990-04-25 1990-04-25 Tunable optical filters
US07/930,683 US5305402A (en) 1990-02-20 1991-02-20 Tunable optical filters
EP91904285A EP0571379B1 (en) 1990-02-20 1991-02-20 Tunable optical filters
DE69131383T DE69131383T2 (en) 1990-02-20 1991-02-20 TUNABLE OPTICAL FILTERS
JP3504268A JPH05504419A (en) 1990-02-20 1991-02-20 tunable optical filter
PCT/GB1991/000264 WO1991013377A1 (en) 1990-02-20 1991-02-20 Tunable optical filters
CA002076044A CA2076044C (en) 1990-02-20 1991-02-20 Tunable optical filters
AU72518/91A AU636961B2 (en) 1990-02-20 1991-02-20 Tunable optical filters
GB9217733A GB2257803B (en) 1990-02-20 1992-08-20 Tunable optical filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909009306A GB9009306D0 (en) 1990-04-25 1990-04-25 Tunable optical filters

Publications (1)

Publication Number Publication Date
GB9009306D0 true GB9009306D0 (en) 1990-06-20

Family

ID=10674982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB909009306A Pending GB9009306D0 (en) 1990-02-20 1990-04-25 Tunable optical filters

Country Status (1)

Country Link
GB (1) GB9009306D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6725740B2 (en) 2001-01-11 2004-04-27 Campagnolo Srl Combined gear change and brake control unit for a bicycle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6725740B2 (en) 2001-01-11 2004-04-27 Campagnolo Srl Combined gear change and brake control unit for a bicycle

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