Laser command guidance system

Details Laser command guidance system Laser command guidance system

1976-01-29

1979-05-08

Pendegrass, Verlin R.

Aeronautics and astronautics

Missile stabilization or trajectory control

Automatic guidance

244 314, 244 319, F41G 712, F41G 700, F42B 1502

Patent

active

041532244

ABSTRACT:
A guidance system is provided for flight vehicles which establishes a reference direction in space by means of two pulsed laser beams. The desired direction is remotely determined and an optical tracker on the flight vehicle is then gated ON by a first pulsed laser beam wih a fixed time delay following receipt of a pulse on board the vehicle. A second pulsed laser beam is fired in a direction to intersect the desired flight path at a set distance from the vehicle, and at a time such that a pulse of the second beam crosses the desired path, and returns to the missile during the time while the tracker on the vehicle is gated ON, so that the tracker receives energy from the backscatter from the atmospheric segment illuminated by the pulse, and causes the vehicle to travel in the desired direction.

REFERENCES:
patent: 3848830 (1974-11-01), Born
patent: 3876308 (1975-04-01), Alpers
patent: 3946384 (1976-03-01), Westaway

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