Process and device for detecting the coming interposition of a m

Details Process and device for detecting the coming interposition of a m Process and device for detecting the coming interposition of a m

1986-08-01

1990-10-23

Tarcza, Thomas H.

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

356152, 358103, 364423, 36442401, 364444, 364460, 382 1, 382 42, G01C 100, H04N 700, G06F 1514

Patent

active

049647237

ABSTRACT:
This process for detecting the coming interposition of a mask between an aircraft (A) and a target (C), particularly in a laser-guided weapon firing system, wherein the aircraft has an automatic target tracking system providing an image of the terrain on which the target occupies a permanent fixed position, consists in detecting, during a turn carried out by the aircraft, the points M of this image, marked by their elevation i.sub.m -i.sub.c with respect to the target C, situated in a zone such that i.sub.M -i.sub.C <0 and having an angular progression velocity, with respect to the target, opposite to that of the other points in that zone at the same altitude as the target.
Application in particular to laser-guided weapon firing systems.

REFERENCES:
patent: 4121246 (1978-10-01), Fadden et al.
patent: 4489389 (1984-12-01), Beckwith et al.
patent: 4997065 (1985-01-01), Tisdale et al.

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