Wide-angle passive infrared radiation detector

Details Wide-angle passive infrared radiation detector Wide-angle passive infrared radiation detector

1992-03-16

1994-05-03

Dzierzynski, Paul M.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, G01J 508

Patent

active

053089855

ABSTRACT:
An infrared radiation detector using a reflector comprising a mirrored conic section or faceted reflector to increase the field of view of a sensor. The reflector is mounted in the normal field of view of the sensor, and is truncated so as prevent the reflector from blocking radiation directly in front of the detector. The detector is mounted either on a wall with a nearly 180 degree field of view, or on a post with a nearly 360 degree horizontal field of view and a nearly 180 degree vertical field of view.

REFERENCES:
patent: 4268752 (1981-05-01), Herwig et al.
patent: 5089704 (1992-02-01), Perkins

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