Uncooled infrared detector readout monolithic integrated circuit with individual pixel signal processing
US5144133A · kind A · utility
13Cited by
2References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1991 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | Apr 4, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/20
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A monolithic infrared detector readout circuit for a capacitive detection element wherein a high gain preamplifier is biased by a large amplifier feedback resistance, on the order of 10.sup.12 ohms. The output of the preamplifier is bandlimited by a low pass single-pole filter having a high value resistor on the order of 10.sup.9 ohms and then is buffered prior to being multiplexed by row address signals. The output from the multiplexer switch is then applied to the column line for output to a video circuit or the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.