Selective analog-to-digital conversion for a digital pixel sensor
US6498576B1 · kind B1 · utility
67Cited by
8References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 30, 2001 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | Mar 30, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2201/0068
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system and method for performing low-power analog-to-digital conversion in digital imaging system utilizing a time-indexed multiple sampling technique is presented. The analog-to-digital converter is switched off when the digital image signal resulting from an exposure time selected from a plurality of exposure times satisfies a threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.