Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
Patent
1980-05-02
1981-12-08
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
Utilizing a spectrometer
356308, 356 51, 250339, G01J 302
Patent
active
043044913
ABSTRACT:
A spectrometer for use with optical elements which pass both undispersed and dispersed irradiation onto detectors coupled to a transversal filter and a comparitor means which open gates said filter to receive dispersed signals when an initial undispersed threshold is exceeded, thereafter said comparitor inhibits signals exceeding the undispersed threshold during spectral analysis of the dispersed signals.
REFERENCES:
patent: 3971921 (1976-07-01), Schmit et al.
patent: 3992101 (1976-11-01), Dapper et al.
patent: 4043668 (1977-08-01), Goetz et al.
patent: 4178099 (1979-12-01), Williams
Kraushaar Robert J.
Mays Robert
Stapleton John J.
Evans F. L.
International Telephone and Telegraph Corporation
O'Halloran John T.
Van Der Sluys Peter C.
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