Infrared focal plane array processor with integration and low pass filter per pixel
US5268576A · kind A · utility
18Cited by
2References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1992 |
| Grant date | Dec 7, 1993 |
| Priority date | — |
| Expiry date | Sep 8, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/77
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A circuit and method of detecting infrared radiations with a focal plane array circuit member comprising storing a charge in a storage device indicative of the intensity of received infrared radiations, periodically transferring the stored charge and then resetting the storage device, storing the transferred charge, providing an output terminal and providing a low pass filter coupled between the output terminal and the storage means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.