Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1995-03-09
1997-03-11
Tokar, Michael J.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
25033913, 2503411, 250343, G01N 700
Patent
active
056103980
ABSTRACT:
A system and method for determining the presence of multiple vapor gases in a refrigerant sample. An infrared light source illuminates a refrigerant sample located in a test area between the light source and a plurality of infrared detectors. Each of the infrared detectors is sensitive to a different predetermined wavelength range of infrared light, with each of the detectors outputting a separate electrical signal corresponding to the infrared light received in its respective wavelength range. A processor then reads the output electrical signals and determines whether the electrical output signals correspond to a particular refrigerant and displays the result of the determination on a display.
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patent: 5055690 (1991-10-01), Bonne
patent: 5429805 (1995-07-01), Uno et al.
patent: 5457528 (1995-10-01), Tobias
Anderson J. Douglas
Montague Chuck W.
Morgan Stephen A.
Nyce Richard J.
Neutronics Inc.
Tokar Michael J.
Tyler Virgil O.
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