Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1985-10-16
1987-02-17
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
2503581, 209577, 356371, 356446, 356448, B07C 534, G01N 2147
Patent
active
046441638
ABSTRACT:
Automatic material identification is achieved using infrared thermometry. A focused beam of high flux energy is passed through a dichroic beam-splitter to remove visible UV with the remaining infrared directed to the surface of the material to be identified. An infrared thermometer sensor is positioned to sense the magnitude of the energy received from the material surface with the magnitude of the energy being indicative of the type of material scattering such energy. Control apparatus are employed to provide control signals as a function of the type of material identified such that automatic process operations may be effected in accordance therewith.
REFERENCES:
patent: 3747755 (1973-07-01), Senturia et al.
patent: 3850526 (1974-11-01), Corey, III
patent: 4124803 (1978-11-01), Bowers
patent: 4236640 (1980-12-01), Knight
patent: 4262806 (1981-04-01), Drabs
Fields Carolyn E.
International Business Machines - Corporation
Stoffel Wolmar J.
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