Wide-angle radiant energy detector

Details Wide-angle radiant energy detector Wide-angle radiant energy detector

1991-09-09

1993-04-06

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, G01J 508

Patent

active

052006247

ABSTRACT:
A wide angle passive infrared energy sensor includes an infrared transducer. Energy in the field of view which is essentially normal to the transducer impinges directly on the transducer which can in turn generate an electrical signal in response thereto. Radiant energy at the peripheral regions of the field of view, on the order of 90.degree. with respect to a center line normal to the detector, is parabolically reflected onto the detector.

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