Laser beam transmitter system for laser beam rider guidance syst

Details Laser beam transmitter system for laser beam rider guidance syst Laser beam transmitter system for laser beam rider guidance syst

1976-04-16

1978-09-05

Engle, Samuel W.

Aeronautics and astronautics

Missile stabilization or trajectory control

Remote control

F41G 700, F41G 714, F42B 1502

Patent

active

041113837

ABSTRACT:
A laser beam rider guidance system having an improved launcher based laser transmitter subsystem for illuminating a laser beam receiver subsystem on board a moving carrier is disclosed. The improved launcher based laser transmitter subsystem includes a boresight compensation mechanism having x and y scan lasers, a synchronization laser, a scanning means for the x and y scan lasers, a first beamsplitter for directing the x and y scan laser beams through a zoom lens for focusing approximately at the missile's range, a second beamsplitter for focusing a portion of the x and y scan laser beams to a third beamsplitter for reflecting the portion of the x and y scan laser beams through a telescope sight to the reticle of the sight, reflecting means on the center of the sight reticle to reflect the portion of the x and y scan laser beams to a fourth beamsplitter, a light detector responsive to the reflected light for producing an electrical signal, when the x and y scan laser beams cross the line of sight to target for a signal processor, to trigger the synchronization laser. The signal processor can compute a delay in activating the synchronization beam to compensate for gravity, target movement, and wander of the zoom lens optical axis due to the motion of the zoom lens components to change the focal length.

REFERENCES:
patent: 3398918 (1968-08-01), Girault
patent: 3690594 (1972-09-01), Menke
patent: 3698811 (1972-10-01), Weil
patent: 3746280 (1973-07-01), Coxe et al.
patent: 3782667 (1974-01-01), Miller, Jr. et al.
patent: 3964053 (1976-06-01), Heiser

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