Passive infra-red sensor

Details Passive infra-red sensor Passive infra-red sensor

1984-10-11

1986-08-05

Anderson, Bruce C.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250347, 250353, G01J 504

Patent

active

046045244

ABSTRACT:
A passive infra-red sensor comprising a housing including a mounting base and a lens mounting cover element, detector support apparatus selectably positionable with respect to said mounting base along a first axis, an infra-red detector and a beam locator illuminator mounted on the detector support apparatus, a multi-faceted focusing lens including a first array of beam defining lenses arranged for optical coupling to the infra-red detector and a second array of beam defining lenses arranged for optical coupling to the beam locator illuminator.

REFERENCES:
patent: 4258255 (1981-03-01), Guscott
patent: 4447726 (1984-05-01), Mudge et al.
patent: 4484075 (1984-11-01), Kahl, Jr. et al.

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