On-chip black clamp system and method
US7417675B2 · kind B2 · utility
3Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 12, 2003 |
| Grant date | Aug 26, 2008 |
| Priority date | — |
| Expiry date | Mar 2, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N5/165
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image sensing system includes an image sensor and a black clamping circuit which reside on the same substrate. Particular embodiments use common components for both imaging and black clamping, and digital control of an analog black clamp function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.