Method and apparatus for detecting failed reset in pixels of an imager
US7522201B2 · kind B2 · utility
1Cited by
2References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 31, 2005 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Apr 29, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/65
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for detecting a failed reset in a pixel are described. First, a reset proxy signal that is received. Second, a reset reference signal is received. The reset proxy signal and the reset reference signal are compared. Based on the comparison, a reset status signal is generated. The reset status signal indicates that a failed reset has been detected or that a failed reset has not been detected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.