JPS5792983A - Solid-state image pickup device - Google Patents
Solid-state image pickup deviceInfo
- Publication number
- JPS5792983A JPS5792983A JP55168255A JP16825580A JPS5792983A JP S5792983 A JPS5792983 A JP S5792983A JP 55168255 A JP55168255 A JP 55168255A JP 16825580 A JP16825580 A JP 16825580A JP S5792983 A JPS5792983 A JP S5792983A
- Authority
- JP
- Japan
- Prior art keywords
- dark current
- electric charge
- charge corresponding
- solid
- image pickup
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000007740 vapor deposition Methods 0.000 abstract 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
- H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
- H04N25/633—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current by using optical black pixels
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Facsimile Heads (AREA)
Abstract
PURPOSE:To compensate a dark current precisely, by shielding the light for partial picture elements to output only the dark current. CONSTITUTION:A light shield is provided on odd-numbered picture elements 11 of a licensor 14 by vapor-deposition of aluminium or the like. An electric charge corresponding only to a dark current is stored in the picture element 11, and the sum of the electric charge corresponding to the dark current and an electric charge corresponding to a pickup object is stored in a picture element 12 without a light shield. These electric charges are transferred to shift registers 16A and 16B through a transfer gate 15 and are transferred in shift registers 16A and 16B and are amplified from an output terminal by amplifiers A1 and A2. The difference between outputs of amplifiers A1 and A2 is obtained to compensate the dark current, and the output is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55168255A JPS5792983A (en) | 1980-11-28 | 1980-11-28 | Solid-state image pickup device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55168255A JPS5792983A (en) | 1980-11-28 | 1980-11-28 | Solid-state image pickup device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5792983A true JPS5792983A (en) | 1982-06-09 |
Family
ID=15864613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55168255A Pending JPS5792983A (en) | 1980-11-28 | 1980-11-28 | Solid-state image pickup device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5792983A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181086A (en) * | 1984-09-28 | 1986-04-24 | Fujitsu Ltd | Solid-state image pickup device |
| JPS62115865A (en) * | 1985-11-15 | 1987-05-27 | Canon Inc | Photoelectric converter |
| EP0233526A2 (en) * | 1986-02-03 | 1987-08-26 | Honeywell Inc. | Radiation sensing apparatus |
| US6747699B2 (en) | 1985-11-15 | 2004-06-08 | Canon Kabushiki Kaisha | Solid state image pickup apparatus |
| JP2015023419A (en) * | 2013-07-18 | 2015-02-02 | 株式会社リコー | Imaging device, image reading device, and image forming apparatus |
-
1980
- 1980-11-28 JP JP55168255A patent/JPS5792983A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6181086A (en) * | 1984-09-28 | 1986-04-24 | Fujitsu Ltd | Solid-state image pickup device |
| JPS62115865A (en) * | 1985-11-15 | 1987-05-27 | Canon Inc | Photoelectric converter |
| US6747699B2 (en) | 1985-11-15 | 2004-06-08 | Canon Kabushiki Kaisha | Solid state image pickup apparatus |
| EP0233526A2 (en) * | 1986-02-03 | 1987-08-26 | Honeywell Inc. | Radiation sensing apparatus |
| JP2015023419A (en) * | 2013-07-18 | 2015-02-02 | 株式会社リコー | Imaging device, image reading device, and image forming apparatus |
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