Wide field of view-narrow band detection system

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system

Patent

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Details

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

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