GB8921081D0 - Optical filters - Google Patents
Optical filtersInfo
- 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
Links
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)
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. |
AU3477600A (en) * | 1999-02-01 | 2000-08-18 | 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 |
-
1989
- 1989-09-18 GB GB898921081A patent/GB8921081D0/en active Pending
-
1990
- 1990-09-18 EP EP19900914401 patent/EP0445268A1/en not_active Withdrawn
- 1990-09-18 WO PCT/GB1990/001436 patent/WO1991004506A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0445268A1 (en) | 1991-09-11 |
WO1991004506A1 (en) | 1991-04-04 |
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