Light beam scanner

Details Light beam scanner Light beam scanner

1992-03-10

1993-08-10

Arnold, Bruce Y.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359214, 359219, 359221, 310 905, 310268, G02B 2608

Patent

active

052354547

ABSTRACT:
A light scanning device has a laser beam generator, a reflecting mirror supported by a rotatable device and a driving mechanism for driving the rotatable device. The rotatable device includes a stator having a plurality of electrodes and a rotor having a plurality of electrodes opposed to the stator electrodes. The rotor is rotatably provided on the stator and is driven by an electrostatic force generated by selectively applying a voltage to the stator electrodes while supported in a non-contact state with the stator. The mirror preferably has a single mirror surface and therefore can be driven at a high deflecting speed.

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