CTIA pixel with shared reset network
US11431931B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 14, 2021 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jan 14, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/78
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image sensor and pixel circuit therefor includes a plurality of pixels arranged in an array, a first pixel of the plurality of pixels including: a first photoelectric conversion device; a first amplifier including a first input terminal connected to the first photoelectric conversion device, and a first output terminal; a first capacitor disposed between the first input terminal and the first output terminal; and a first reset switch network disposed between the first input terminal and the first output terminal in parallel with the first capacitor, the first reset switch network including a first reset transistor with a first body terminal connected to a common reference voltage, a second reset transistor, and a third reset transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.