Image pickup device
US6731720B2 · kind B2 · utility
4Cited by
1References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 2002 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Sep 22, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/60
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image pickup device is provided that comprises: a photoelectric conversion region; a driving circuit for reading out a signal generated by photoelectric conversion from an identical pixel contained in the photoelectric conversion region for a plurality of times; and a correction circuit for extracting a noise component by calculating a difference among a plurality of signals read out by the driving circuit and removing the noise component contained in the signals from the pixel using the extracted noise component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.