Device for detecting a hot point in a scene by means of infrared

Details Device for detecting a hot point in a scene by means of infrared Device for detecting a hot point in a scene by means of infrared

1980-12-29

1983-08-09

Jordan, Charles T.

Aeronautics and astronautics

Missile stabilization or trajectory control

Remote control

F41G 730

Patent

active

043974295

ABSTRACT:
A scanning infrared beam is split into two subbeams. The first and second subbeams contain radiation of wavelengths situated in a first and second subband of the infrared wavelength band of the beam. For each subbeam there is provided a separate radiation-sensitive detector. The output signals of the detectors are applied to a subtractor circuit, whose output signal indicates the presence of a hot point.

REFERENCES:
patent: 3934137 (1976-01-01), Loy
patent: 3974383 (1976-08-01), Chapman
patent: 4030686 (1977-06-01), Buchman
patent: 4038547 (1977-07-01), Hoesterey
patent: 4202515 (1980-05-01), Maxwell, Jr.

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