Scanner position sensor for an integrated laser/FLIR rangefiner

Details Scanner position sensor for an integrated laser/FLIR rangefiner Scanner position sensor for an integrated laser/FLIR rangefiner

1983-03-07

1985-09-24

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

89 4106, 250334, G01C 308

Patent

active

045429863

ABSTRACT:
In an integrated laser/FLIR rangefinder a scanner position sensor comprising an LED of the array of LEDs of a forward looking infrared (FLIR) system, a reticle grating located at the image plane of LED optical path, and a silicon detector positioned to receive the light passing through the reticle grating for producing a plurality of signals in response to light passing through each grating slot. One of the signals is selected for the synchronization logic for controlling the charging and firing of the laser. If there is no range return a second signal is selected for adjusting the position of the timing pulse.

REFERENCES:
Osche et al., "CO.sub.2 Laser-Forward Looking Infrared (FLIR) Integration Concepts," 1980, pp. 57-64, SPIE, vol. 227.

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