Solid state image device and camera using it
US7528878B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2005 |
| Grant date | May 5, 2009 |
| Priority date | — |
| Expiry date | Jun 16, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/78
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A solid state image device with a high frame rate, that can restrain image distortion etc. from taking place in case of filming of moving pictures or rapid filming and moreover can output signals excellent in the S/N proportion in a stable fashion, and a camera using it is provided. A frame memory apparatus having a plurality of memories respectively corresponding with respective pixels of a photoelectric conversion apparatus and an apparatus of recording signals of respective pixels of the photoelectric conversion apparatus into the memory elements of the frame memory apparatus are included. The memory element is configured at least by a sample hold circuit, the sample hold circuit has a capacitor apparatus and an impedance conversion apparatus and the impedance conversion apparatus is configured by an operational amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.