Steering mirror

Details Steering mirror Steering mirror

1986-09-19

1988-10-18

Corbin, John K.

350486, 350487, G02B 2610

Patent

active

047782331

ABSTRACT:
A steering mirror for use with a laser pattern generator. A reflective surface is mounted on a pivotally mounted extended member. A piezo electric crystal abuts the extended member and voltage applied to the crystal causes deformation of the crystal and ultimately movement of the reflective surface. A differential impedence transducer is coupled to the extended member to detect movement of the steering mirror. In this manner, the position of the mirror can be accurately controlled.

REFERENCES:
patent: 1438974 (1922-12-01), Wente
patent: 3645603 (1972-02-01), Smith
patent: 3998092 (1976-12-01), Maccabee
patent: 4129930 (1978-12-01), Dragt
patent: 4328442 (1982-05-01), Tanaka et al.

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