Infrared intrustion detector

Details Infrared intrustion detector Infrared intrustion detector

1989-11-22

1991-09-03

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

2503383, 250349, 340567, G01B 1318, G01J 100, G01J 510

Patent

active

050457020

ABSTRACT:
A passive infrared intrusion detector provides improved intruder detection while using a single signal evaluation channel. Pyroelectric sensor element configurations include a diamond pattern with differentially opposed pairs of elements of opposite polarization connected in series for increased coverage and sensitivity.

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