Control device for the automatic alignment of a laser beam

Details Control device for the automatic alignment of a laser beam Control device for the automatic alignment of a laser beam

1984-10-23

1986-12-02

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LC, 219121LG, 2504911, B23K 2602

Patent

active

046266496

ABSTRACT:
A laser beam alignment device which has a movable beam-deflection mirror, two motors for modifying the orientation of the mirror, two incremental coders associated with the motors, a thermoelectric detector placed between the target to be reached by the beam and the deflection mirror and able to supply voltage differences in accordance with the misalignment of the beam and an electronic processing system for controlling the motors as a function of voltage differences and pulses produced by the coders, so as to keep the beam aligned on the target.

REFERENCES:
patent: 4035654 (1977-07-01), Elmer
patent: 4079230 (1978-03-01), Miyauchi et al.
patent: 4243888 (1981-01-01), Gruhn et al.

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