Aeronautics and astronautics – Missile stabilization or trajectory control – Automatic guidance
Patent
1976-12-15
1979-07-24
Engle, Samuel W.
Aeronautics and astronautics
Missile stabilization or trajectory control
Automatic guidance
358113, 250214B, 250214C, 250339, 250341, F41G 132, F41G 136
Patent
active
041620526
ABSTRACT:
A method for masking on the display device associated with a thermal telescope for the night guidance of self-propelled missiles carrying an infrared source, the image of a source of relatively intense stray radiations, wherein, on the one hand, the radiations transmitted in the field of vision of the thermal telescope are simultaneously detected in two different spectral bands, of which the one, called the useful band, corresponds to the maximum radiations from the target and the surrounding landscape, and the other one, called stray band, corresponds to the maximum radiations from the intense infrared sources carried or not by the missile, and on the other hand the signal detected in the first band is corrected by the signal detected in the second band in a manner to leave out the stray portions of the useful signal.
REFERENCES:
patent: 3258529 (1966-06-01), Parrish et al.
patent: 3379830 (1968-04-01), Menke
patent: 3638025 (1972-01-01), Dishington et al.
patent: 3751586 (1973-08-01), Johansson
patent: 3795811 (1974-03-01), Weir
patent: 3825754 (1974-07-01), Cinzori et al.
patent: 3944730 (1976-03-01), Dahlqvist et al.
patent: 3999060 (1976-12-01), Skagerlund
Engle Samuel W.
Societe Anonyme de Telecommunications
Webb Thomas H.
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