Pyroelectric detector using electronic chopping

Details Pyroelectric detector using electronic chopping Pyroelectric detector using electronic chopping

1990-12-11

1991-12-24

Hannaher, Constantine

Radiant energy

Infrared-to-visible imaging

Including detector array

2503381, 2503382, 2503383, H01L 27146

Patent

active

050755498

ABSTRACT:
A pyroelectric detector using electronic chopping of the detector bias signal to reset the detector. The detector is preferably operated slightly above or below its Curie temperature. Multiplexing of a plurality of electronically-reset detectors is also disclosed.

REFERENCES:
patent: 3794986 (1974-02-01), Murayama
patent: 4663529 (1987-05-01), Jenner et al.
patent: 4780612 (1988-10-01), Klatt
patent: 4831257 (1989-05-01), McClelland et al.
patent: 4897547 (1990-01-01), Iwasa et al.
patent: 4902894 (1990-02-01), Butler et al.
patent: 4926051 (1990-05-01), Turnbull

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