Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1977-09-22
1979-02-13
Smith, Alfred E.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250339, G01J 100
Patent
active
041397690
ABSTRACT:
In a system employing a collimated beam projector radiating energy of a single wavelength and an image detector sensitive to a band of wavelengths, a boresight technique includes the steps of extracting a portion of the projected beam, focusing the extracted portion onto a predetermined point of a boresight target material until said material responsively emits radiation in said band of wavelengths, and collimating the emitted radiation into said image detector at a field of view location corresponding to the projected beam location.
REFERENCES:
patent: 3500048 (1970-03-01), Menke
patent: 3752587 (1973-08-01), Myers et al.
patent: 4087689 (1978-05-01), Asawa
McCrum Eugene F.
Myers James G.
Rehak John T.
Tomita William K.
Ford Aerospace & Communications Corporation
Godwin Jr. Paul K.
Howell Janice A.
Smith Alfred E.
Zerschling Keith L.
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