Photo detector adjustment device

Details Photo detector adjustment device Photo detector adjustment device

1988-04-22

1989-08-22

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Housings

369112, H01J 502

Patent

active

048598470

ABSTRACT:
A device for the adjustment of photo detectors mounted on an optical head base for adjusting the position of a photo detector in a direction of an optic axis of a light beam and in a plane perpendicular to said optic axis, comprises a movable plate able to move relative to the optical head base in a plane perpendicular to the optic axis of a light beam, a base plate able on which the photo detector is fixed, the base plate having a first end fixed to the movable plate, being able to bend to the direction of the optic axis and being fixed to the movable plate, and an adjusting screw extending through the base plate and threaded into the movable plate for bending the base plate toward the movable plate.

REFERENCES:
patent: 3091694 (1963-05-01), Goodridge
patent: 4574371 (1986-03-01), Takemura et al.
patent: 4634853 (1987-01-01), Kanamaru
patent: 4792674 (1988-12-01), Hirano

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