Wide bias background subtraction pixel front-end with short protection
US8981437B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Nov 15, 2012 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Mar 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/803
Abstract
Pixel Front end circuits particularly applicable to photodetectors requiring wide bias ranges and/or with high background currents. In various versions, wide bias ranges, short protection, and background current subtraction, both predetermined and automatically sampled, are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.