DE3342992C2 - - Google Patents
Info
- Publication number
- DE3342992C2 DE3342992C2 DE3342992A DE3342992A DE3342992C2 DE 3342992 C2 DE3342992 C2 DE 3342992C2 DE 3342992 A DE3342992 A DE 3342992A DE 3342992 A DE3342992 A DE 3342992A DE 3342992 C2 DE3342992 C2 DE 3342992C2
- Authority
- DE
- Germany
- Prior art keywords
- control circuit
- image
- image converter
- gain control
- converter device
- 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.)
- Expired - Lifetime
Links
- 238000012937 correction Methods 0.000 claims description 16
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 claims 3
- 239000003990 capacitor Substances 0.000 description 15
- 230000005669 field effect Effects 0.000 description 5
- 238000009499 grossing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- H04N23/72—Combination of two or more compensation controls
-
- 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
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Stroboscope Apparatuses (AREA)
- Studio Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57208920A JPS5999880A (ja) | 1982-11-29 | 1982-11-29 | 撮像装置 |
| JP58162806A JPS6054574A (ja) | 1983-09-05 | 1983-09-05 | 撮像装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3342992A1 DE3342992A1 (de) | 1984-05-30 |
| DE3342992C2 true DE3342992C2 (OSRAM) | 1991-04-18 |
Family
ID=26488465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19833342992 Granted DE3342992A1 (de) | 1982-11-29 | 1983-11-28 | Bildwandlereinrichtung |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5398065A (OSRAM) |
| DE (1) | DE3342992A1 (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6535268B1 (en) * | 1995-10-30 | 2003-03-18 | Reveo, Inc. | Multilayer non metallic reflecting flakes for cosmetics and sunscreens |
| US6411331B1 (en) | 1997-02-28 | 2002-06-25 | Hewlett-Packard Company | Automatic white balance detection and correction of an image captured in a digital camera |
| US5894200A (en) * | 1997-03-26 | 1999-04-13 | Goodale, Jr.; Garold Joseph | Two terminal method of and apparatus for improving electrical and light producing efficiency in low voltage direct current incandescent lamp intensity control |
| JP3473552B2 (ja) * | 2000-06-15 | 2003-12-08 | ミノルタ株式会社 | デジタルスチルカメラ |
| US6970198B1 (en) | 2000-09-14 | 2005-11-29 | Hewlett-Packard Development Company, L.P. | Digital camera and method of improving image quality in live view mode |
| US6900840B1 (en) | 2000-09-14 | 2005-05-31 | Hewlett-Packard Development Company, L.P. | Digital camera and method of using same to view image in live view mode |
| US20030197795A1 (en) * | 2002-04-22 | 2003-10-23 | Schinner Charles E. | Generation and storage of amplified video |
| JP2004154289A (ja) * | 2002-11-06 | 2004-06-03 | Canon Inc | 眼科撮影装置 |
| US6917368B2 (en) * | 2003-03-04 | 2005-07-12 | Clairvoyante, Inc. | Sub-pixel rendering system and method for improved display viewing angles |
| US8345120B2 (en) * | 2004-04-06 | 2013-01-01 | Nikon Corporation | Electronic camera with self-adjusting flash and image-capture sensitivity |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1270264A (en) * | 1968-09-18 | 1972-04-12 | Marconi Co Ltd | Improvements in or relating to telecine equipment |
| US3651255A (en) * | 1969-02-22 | 1972-03-21 | Sony Corp | Automatic gain control system for television cameras |
| US4050085A (en) * | 1969-06-04 | 1977-09-20 | Hughes Aircraft Company | Automatic light control system |
| US3748383A (en) * | 1971-04-05 | 1973-07-24 | R Grossman | Camera system for day and night use |
| JPS5646364A (en) * | 1979-09-10 | 1981-04-27 | Xerox Corp | Digital convertion in white and black image |
| JPS5796422U (OSRAM) * | 1980-12-01 | 1982-06-14 | ||
| JPS5796422A (en) * | 1980-12-05 | 1982-06-15 | Omron Tateisi Electronics Co | Solenoid relay |
| JPS57145484A (en) * | 1981-03-05 | 1982-09-08 | Oki Electric Ind Co Ltd | Agc system of video signal |
| JPS57147382A (en) * | 1981-03-06 | 1982-09-11 | Matsushita Electric Ind Co Ltd | Automatc gain control circuit of video signal |
| US4564856A (en) * | 1981-04-09 | 1986-01-14 | Harris Corporation | Apparatus providing automatic and manual control of setup adjustments for TV cameras |
| JPS5851670A (ja) * | 1981-09-22 | 1983-03-26 | Nec Corp | 自動利得制御回路 |
| US4635126A (en) * | 1981-12-18 | 1987-01-06 | Canon Kabushiki Kaisha | Image pick-up system |
| JPS58147721A (ja) * | 1982-02-26 | 1983-09-02 | Canon Inc | スチルビデオカメラ |
| US4495520A (en) * | 1982-04-09 | 1985-01-22 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Television camera video level control system |
| US4525741A (en) * | 1982-11-03 | 1985-06-25 | Ncr Corporation | Self-adjusting video camera |
| US4509077A (en) * | 1982-12-17 | 1985-04-02 | Ncr Canada Ltd-Ncr Canada Ltee | Automatic, self-diagnosing, electro-optical imaging system |
| US4589023A (en) * | 1982-12-20 | 1986-05-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Electronic camera |
| US4532918A (en) * | 1983-10-07 | 1985-08-06 | Welch Allyn Inc. | Endoscope signal level control |
| US4677489A (en) * | 1984-09-19 | 1987-06-30 | Canon Kabushiki Kaisha | Image pickup apparatus |
-
1983
- 1983-11-28 DE DE19833342992 patent/DE3342992A1/de active Granted
-
1993
- 1993-09-22 US US08/125,435 patent/US5398065A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3342992A1 (de) | 1984-05-30 |
| US5398065A (en) | 1995-03-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |