Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1975-06-18
1976-06-15
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
356 51, G01N 2134
Patent
active
039639274
ABSTRACT:
A system or method of detecting hidden insects by the measurement of CO.sub.2 respired is described. The system consists of a series of valves, pressure regulator, gauges, and an infrared analyzer. After purging the system is sealed and the CO.sub.2 allowed to build up. The CO.sub.2 then moves through the infrared gas analyzer as a bolus and the detection is thus achieved.
REFERENCES:
patent: 2930893 (1960-03-01), Carpenter et al.
patent: 3513307 (1970-05-01), Dudgeon
patent: 3783284 (1974-01-01), McMormack
patent: 3922551 (1975-11-01), Williams
patent: 3925666 (1975-12-01), Allan et al.
Bruce William A.
Street, Jr. Marion W.
Grigsby T. N.
Silverstein M. Howard
Smith Alfred E.
The United States of America as represented by the Secretary of
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