GB8921081D0 - Optical filters - Google Patents

Optical filters

Info

Publication number
GB8921081D0
GB8921081D0 GB898921081A GB8921081A GB8921081D0 GB 8921081 D0 GB8921081 D0 GB 8921081D0 GB 898921081 A GB898921081 A GB 898921081A GB 8921081 A GB8921081 A GB 8921081A GB 8921081 D0 GB8921081 D0 GB 8921081D0
Authority
GB
United Kingdom
Prior art keywords
optical filters
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
GB898921081A
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.)
Plessey Co Ltd
Original Assignee
Plessey Co 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.)
Filing date
Publication date
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB898921081A priority Critical patent/GB8921081D0/en
Publication of GB8921081D0 publication Critical patent/GB8921081D0/en
Priority to EP19900914401 priority patent/EP0445268A1/en
Priority to PCT/GB1990/001436 priority patent/WO1991004506A1/en
Pending legal-status Critical Current

Links

GB898921081A 1989-09-18 1989-09-18 Optical filters Pending GB8921081D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB898921081A GB8921081D0 (en) 1989-09-18 1989-09-18 Optical filters
EP19900914401 EP0445268A1 (en) 1989-09-18 1990-09-18 Optical filters
PCT/GB1990/001436 WO1991004506A1 (en) 1989-09-18 1990-09-18 Optical filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898921081A GB8921081D0 (en) 1989-09-18 1989-09-18 Optical filters

Publications (1)

Publication Number Publication Date
GB8921081D0 true GB8921081D0 (en) 1990-04-25

Family

ID=10663250

Family Applications (1)

Application Number Title Priority Date Filing Date
GB898921081A Pending GB8921081D0 (en) 1989-09-18 1989-09-18 Optical filters

Country Status (3)

Country Link
EP (1) EP0445268A1 (en)
GB (1) GB8921081D0 (en)
WO (1) WO1991004506A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4116789A1 (en) * 1991-05-23 1992-11-26 Standard Elektrik Lorenz Ag OPTICAL SWITCH
ES2051224B1 (en) * 1992-06-25 1997-07-01 Univ Madrid Autonoma NARROW BAND INTERFERENTIAL FILTER WITH PHOTO-REFRACTIVE MATERIAL.
WO2000045202A1 (en) * 1999-02-01 2000-08-03 Mcnc A tunable electrooptic interference filter and method of manufacturing same
US6888661B1 (en) 2002-06-13 2005-05-03 Cheetah Omni, Llc Square filter function tunable optical devices

Also Published As

Publication number Publication date
EP0445268A1 (en) 1991-09-11
WO1991004506A1 (en) 1991-04-04

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