USB561770I5 - - Google Patents
Info
- Publication number
- USB561770I5 USB561770I5 US56177075A USB561770I5 US B561770 I5 USB561770 I5 US B561770I5 US 56177075 A US56177075 A US 56177075A US B561770 I5 USB561770 I5 US B561770I5
- Authority
- US
- United States
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/561,770 US4000366A (en) | 1975-03-25 | 1975-03-25 | Adaptive gray scale control circuit for television video signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/561,770 US4000366A (en) | 1975-03-25 | 1975-03-25 | Adaptive gray scale control circuit for television video signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB561770I5 true USB561770I5 (forum.php) | 1976-03-16 |
| US4000366A US4000366A (en) | 1976-12-28 |
Family
ID=24243388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/561,770 Expired - Lifetime US4000366A (en) | 1975-03-25 | 1975-03-25 | Adaptive gray scale control circuit for television video signals |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US4000366A (forum.php) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4906864A (en) * | 1984-10-01 | 1990-03-06 | United Technologies Corporation | Linear slope peak detector |
| US4855830A (en) * | 1987-03-30 | 1989-08-08 | Allen-Bradley Company, Inc. | Machine vision system with illumination variation compensation |
| US4987321A (en) * | 1989-09-25 | 1991-01-22 | Eastman Kodak Company | Processing circuit for image sensor |
| JP2722351B2 (ja) * | 1989-11-29 | 1998-03-04 | キヤノン株式会社 | 撮像信号処理装置 |
| US5065443A (en) * | 1989-12-04 | 1991-11-12 | Allen-Bradley Company, Inc. | Image processor with illumination variation compensation |
| JP2554955B2 (ja) * | 1990-10-02 | 1996-11-20 | 池上通信機株式会社 | 非線形処理回路 |
| MY123018A (en) * | 1998-07-24 | 2006-05-31 | Panasonic Corp | Video signal character converting device and method of the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670100A (en) * | 1971-03-29 | 1972-06-13 | Telemation | Automatic reference level set for television cameras |
| US3790706A (en) * | 1972-05-25 | 1974-02-05 | Boeing Co | Automatic video contrast control circuit |
-
1975
- 1975-03-25 US US05/561,770 patent/US4000366A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4000366A (en) | 1976-12-28 |