Pyrodetector for the detection of a body entering into its detec

Details Pyrodetector for the detection of a body entering into its detec Pyrodetector for the detection of a body entering into its detec

1986-08-18

1987-12-29

Fields, Carolyn E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, 250349, G08B 1318, G01J 512

Patent

active

047162945

ABSTRACT:
A pyrodetector having a concave mirror containing a sensor element arranged in a focus thereof. The sensor element is on a film and is distinguished by a compact structure. The concave mirror is formed of a body having a rectangular cross-section, of a reflector part, and of sidewalls positioned perpendicularly relative to one another. An opening is provided in a reflector portion through which a retaining part provided with plug pins is inserted. The concave mirror, an evaluation means arranged outside of the concave mirror behind the reflector portion, and a honeycomb lattice and a covering are accommodated as an overall arrangement in a housing.

REFERENCES:
patent: 4081680 (1978-03-01), Keller
patent: 4379971 (1983-04-01), Smith et al.
patent: 4404468 (1983-09-01), Kleinschmidt
patent: 4447726 (1984-05-01), Mudge et al.
patent: 4486661 (1984-12-01), Guscott et al.
patent: 4551711 (1985-11-01), Akiyama et al.
patent: 4616136 (1986-10-01), Ball et al.
Electronics-Jun. 16, 1982, vol. 55, No. 12, pp. 84 and 86.
Freitag et al., "Human Body Detection with the PID II Passive Infrared Detector", Siemens Components, 3/86, pp. 92-97.

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