Infrared radiation-burglary detector

Details Infrared radiation-burglary detector Infrared radiation-burglary detector

1976-11-04

1977-10-04

Willis, Davis L.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250221, 250227, 250342, G01J 100

Patent

active

040526160

ABSTRACT:
An infrared radiation-burglary detector comprising radiation-focusing means and a radiation receiver. A bunch of radiation-conducting elements is provided, the radiation inlet openings of which are arranged at the focal surface of the radiation-focusing means and the radiation outlets of which are arranged in front of the radiation receiver.

REFERENCES:
patent: 3792275 (1974-02-01), Leftwich et al.
patent: 3829693 (1974-08-01), Schwarz
patent: 3999062 (1976-12-01), Demsky et al.
patent: 3999864 (1976-12-01), Mutter

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