Nonlinear flash analog to digital converter used in an active pixel system
US6977603B1 · kind B1 · utility
10Cited by
10References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2000 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Jan 5, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/78
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A non-uniform resistor is used with a flash A to D converter in order to provide an A to D output which is not linear. The nonlinearity of the A to D output is specially designed to carry out a predetermined correction of the signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.