Radiation detector with asymmetrical pattern

Details Radiation detector with asymmetrical pattern Radiation detector with asymmetrical pattern

1982-11-19

1985-06-11

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, 250353, G01J 508, G08B 1318

Patent

active

045230951

ABSTRACT:
A radiation detector having a plurality of discrete fields of view with respect to a plurality of sensing elements. The sensing elements are connected such that their output signals are summed to zero if all elements are receiving the same radiation. Optical elements focus on the sensing elements to produce the discrete fields of view and are adapted to produce non-uniform sensitivity of the patterns over the solid angle thereof whereby a non-zero output will be produced when the sensing elements receive differing amounts of radiation. In one embodiment, a shield is disposed between elements to block radiation to a sensing element from one portion of the solid angle and to pass radiation from another portion of the solid angle.

REFERENCES:
patent: 4317992 (1982-03-01), Stauffer
patent: 4375034 (1983-02-01), Guscott

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