Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1984-01-12
1986-01-28
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250347, 340505, 340578, G01J 100, G08B 2600, G08B 1712
Patent
active
045673675
ABSTRACT:
The invention relates to a system for detecting sources of heat, comprising a certain number of watching stations distributed within the area to be watched, comprising an infrared radiation detector located at a level above the area to be watched and connected to a motor for imparting to the detector a periodic angular, step-by-step motion, and a device for logic processing of the information received by the detector and for transmission through the telephone link, a central station being equipped with a data processing device including a memory in which the known sources of heat of the area to be watched are recorded or entered.
REFERENCES:
patent: 1959702 (1934-05-01), Barker
patent: 3475608 (1969-10-01), Pardes
patent: 3493953 (1970-02-01), Taylor
patent: 3941923 (1976-03-01), Wheeler
patent: 3987445 (1976-10-01), Fales, III
Brown de Colstoun Francois P. D.
Chambaret Jean-Paul
Chambaret Yves
Le Saige de la Villesbrunne Arnaud G.
Moscovici Jean-Claude M.
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