Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1984-11-15
1986-11-11
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
356439, G01J 100, 250, 356, 356, 356
Patent
active
046224645
ABSTRACT:
In the infrared gas analyzers described in the specification, infrared radiation is transmitted through a measuring cell to an infrared detector. The measuring cell has an external case and a tubular filter to remove particulate material from the gas being analyzed immediately before it is intercepted by the infrared radiation.
REFERENCES:
patent: 2468740 (1949-05-01), Else
patent: 3826918 (1974-07-01), Van Der Koogh et al.
patent: 4225243 (1980-09-01), Typpo
Sukigara Kunio
Taniguchi Harutaka
Fuji Electric & Co., Ltd.
Fuji Electric Corporate Research & Development Ltd.
Howell Janice A.
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