Pyroelectric infrared detector

Details Pyroelectric infrared detector Pyroelectric infrared detector

1994-05-10

1995-11-21

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250349, 250DIG1, G01J 506

Patent

active

054689600

ABSTRACT:
A pyroelectric infrared detector used in the intrusion detection system, the detector including a housing having an opening, at least two infrared transmissive pyroelectric layers spaced to be mutually free from thermal influence; and a plurality of electrodes formed on the surfaces of each of the pyroelectric layer, the electrodes electrically connected to each other.

REFERENCES:
patent: 4441023 (1984-04-01), Doctor et al.
patent: 4697081 (1987-09-01), Baker
patent: 4800278 (1989-01-01), Taniguti et al.

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