Method for increasing dynamic range of a pixel by multiple incomplete reset
US7106373B1 · kind B1 · utility
7Cited by
30References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1999 |
| Grant date | Sep 12, 2006 |
| Priority date | — |
| Expiry date | Dec 14, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/77
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method is disclosed for obtaining a read-out signal of a pixel having at least a photosensitive element with a charge storage node. Charge carriers are converted from radiation impinging on the photosensitive element. While acquiring charge carriers on said charge storage node, after a time period at least one reset pulse with a predetermined amplitude is applied on said charge storage node, said pulse resetting incompletely the charge carriers acquired at the moment of applying said pulse; and thereafter charge carriers are further acquired on said charge storage node.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.