Sense amplifier having a precision analog reference level for use with image sensors
US6452152B1 · kind B1 · utility
45Cited by
6References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 15, 2000 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Dec 11, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/78
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The presently preferred embodiment of the invention comprises a single ended bit-line from each pixel, small swing bit-line detection, a regenerative sense amplifier, and reference generation using precision analog references.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.