Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1978-08-14
1980-09-30
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250226, 350293, 356416, G01J 346
Patent
active
042257824
ABSTRACT:
A wide field of view-narrow band detection system including a radiation responsive member and optical filter is provided by employing optimal angle cones to simultaneously control field of view, throughput and angles impinging on the optical filter.
REFERENCES:
patent: 3756688 (1973-09-01), Hudson et al.
patent: 3761184 (1973-09-01), McLaughlin
patent: 3937560 (1976-02-01), Milton
patent: 3963308 (1976-06-01), Lebduska
Kuppenheimer, Jr. John D.
Murphy Paul F.
Etlinger Louis
Hostetter Darwin R.
Nelms David C.
Sanders Associates Inc.
Seligman Richard I.
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