Catoptric differential sensing device

Details Catoptric differential sensing device Catoptric differential sensing device

1987-10-08

1991-04-09

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, 340567, 340600, G01J 508

Patent

active

050067125

ABSTRACT:
A radiation detector comprising a first pair of flat reflective surfces parallel to one another and connected by a second pair of flat rectangular reflective surfaces converging toward one another so as to form a reflective chamber having a relatively wide opening for the entrance of radiation and a relatively narrow opening defining a region for receiving radiaiton, there being a radiation sensor positioned in the receiving region for detecting fluctuations in levels of radiation received from a plurality of detection zones.

REFERENCES:
patent: 3271575 (1966-09-01), Falbel
patent: 3413468 (1968-11-01), Astheimer
patent: 4087688 (1978-05-01), Keller
patent: 4670655 (1987-06-01), Zierhut

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