Image sensor and analog-to-digital convertor
US11477408B2 · kind B2 · utility
1Cited by
4References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 8, 2021 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Apr 8, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/8037
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image sensor including a pixel of a first tap. a pixel of a second tap. an operational amplifier configured to perform an auto zeroing operation with a pixel signal of the pixel of the second tap applied, and perform an operation for comparison between a ramp voltage and a signal output from the pixel of the first tap, with a pixel signal of the pixel of the first tap applied, and a counter circuit configured to generate a digital code in response to an output of the operational amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.