Pyroelectric infrared detector

Details Pyroelectric infrared detector Pyroelectric infrared detector

1987-05-28

1989-04-25

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, G01J 500

Patent

active

048250791

ABSTRACT:
A pyroelectric infrared detector for use in, for example, an intrusion alarming system has a pyroelectric element, a FET for picking up the output of the pyroelectric element, a capacitor connected in parallel to the pyroelectric element, and other circuit parts. These constituent parts are integrally packed in a package.

REFERENCES:
patent: 4214165 (1980-07-01), Asawa
patent: 4542294 (1985-09-01), Tamura et al.
patent: 4626687 (1986-12-01), Nara et al.

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