Image capturing device, image capturing system, and method of driving image capturing device
US8400546B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2010 |
| Grant date | Mar 19, 2013 |
| Priority date | — |
| Expiry date | May 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/78
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image capturing device comprises a pixel array having a plurality of pixels each including a photoelectric conversion portion, a plurality of signal lines connected to the pixel array, a plurality of column amplifiers configured to respectively amplify signals transferred from the pixel array via the signal lines, the column amplifier comprising a first input terminal, a first output terminal, an amplifier having a second input terminal and a second output terminal, a feedback capacitance arranged between the second input terminal and the first output terminal, an input capacitance having an electrode connected to the first input terminal, and an electrode connected to the second input terminal, a first switch arranged between the second input terminal and the second output terminal, a second switch arranged between the first output terminal and the second output terminal, and a third switch arranged between a reference voltage terminal and the first output terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.