Electrically controlled optical deflector

Details Electrically controlled optical deflector Electrically controlled optical deflector

1981-07-21

1984-07-17

Corbin, John K.

G02B 2717

Patent

active

044602529

ABSTRACT:
This invention concerns electrically controlled optical deflectors, and more specifically an optical deflector comprising a mirror forming part of an assembly which cam move in relation to a fixed base, the pivotal movements of this assembly being controlled by an electrodynamic motor with a winding through which a variable current passes, and which is situated inside a predetermined magnetic field, the mechanical connection between the movable assembly and the fixed base being provided by a prismatic elastic component.
This invention applies in particular to the construction of reading heads to direct an optical beam on to a videodisc track.

REFERENCES:
patent: 2461190 (1949-02-01), Wolff, Jr.
patent: 3349174 (1967-10-01), Warschauer
patent: 3407018 (1968-10-01), Miller
patent: 4021096 (1977-05-01), Dragt

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