GB8906521D0 - Optical equipment - Google Patents
Optical equipmentInfo
- Publication number
- GB8906521D0 GB8906521D0 GBGB8906521.3A GB8906521A GB8906521D0 GB 8906521 D0 GB8906521 D0 GB 8906521D0 GB 8906521 A GB8906521 A GB 8906521A GB 8906521 D0 GB8906521 D0 GB 8906521D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical equipment
- optical
- equipment
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
- H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8906521A GB2307125B (en) | 1989-03-21 | 1989-03-21 | Adaptive Background Compensation Circuit For Optical Imaging Equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8906521A GB2307125B (en) | 1989-03-21 | 1989-03-21 | Adaptive Background Compensation Circuit For Optical Imaging Equipment |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8906521D0 true GB8906521D0 (en) | 1996-11-27 |
GB2307125A GB2307125A (en) | 1997-05-14 |
GB2307125B GB2307125B (en) | 1998-01-07 |
Family
ID=10653762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8906521A Expired - Fee Related GB2307125B (en) | 1989-03-21 | 1989-03-21 | Adaptive Background Compensation Circuit For Optical Imaging Equipment |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2307125B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6377209B1 (en) | 1997-02-03 | 2002-04-23 | Snaptrack, Inc. | Method and apparatus for satellite positioning system (SPS) time measurement |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE371356B (en) * | 1973-03-06 | 1974-11-11 | Aga Ab | |
US3992106A (en) * | 1974-09-30 | 1976-11-16 | Rca Corporation | Error cancelling scanning optical angle measurement system |
GB2097627B (en) * | 1981-04-29 | 1985-02-13 | Philips Electronic Associated | Thermal imaging apparatus |
GB2104336B (en) * | 1981-08-20 | 1985-01-03 | Rank Organisation Ltd | Video signal processing in thermal imaging |
US4404597A (en) * | 1981-12-02 | 1983-09-13 | Xerox Corporation | Two dimensional radiometric compensation for scanning apparatus |
US4680723A (en) * | 1983-10-14 | 1987-07-14 | British Aerospace Plc | Signal processor for matrix arrays |
US4692618A (en) * | 1985-05-02 | 1987-09-08 | Hughes Aircraft Company | Detector signal conditioner |
US4718028A (en) * | 1986-02-18 | 1988-01-05 | Hughes Aircraft Company | Extremely high speed, real-time background filter for radiation detectors |
GB2205464B (en) * | 1987-06-05 | 1991-12-11 | Gec Avionics | Image processing apparatus |
-
1989
- 1989-03-21 GB GB8906521A patent/GB2307125B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2307125A (en) | 1997-05-14 |
GB2307125B (en) | 1998-01-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980407 |