Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1973-05-10
1976-08-24
Church, Craig E.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250373, G01H 2126
Patent
active
039768830
ABSTRACT:
A non-dispersive infrared correlation spectrometer for determining the presence of a gas having a known characteristic infrared absorption spectrum in a gaseous mixture is disclosed which utilizes a unique combination filtering system in cooperation with a highly sensitive solid state detector which provide a highly selective and sensitive instrument.
REFERENCES:
patent: 2721942 (1955-10-01), Friel
patent: 2758215 (1956-08-01), Skarstrom
patent: 3435209 (1969-03-01), Keahl
patent: 3539804 (1970-11-01), Illetdeaux
patent: 3562522 (1971-02-01), Cederstrand
Church Craig E.
Hanson Henry L.
Honeywell Inc.
Mersereau Charles G.
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