Image sensor
US8748791B2 · kind B2 · utility
1Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2011 |
| Grant date | Jun 10, 2014 |
| Priority date | — |
| Expiry date | Jul 19, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K4/08
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An image sensor includes a band gap reference unit configured to provide a reference voltage having a predetermined voltage level, a storage unit configured to store the reference voltage, a switch configured to selectively connect the storage unit to the band gap reference unit, and a ramp signal generation unit configured to receive an input voltage corresponding to the reference voltage stored in the storage unit and generate a ramp signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.