Motor device having a dynamic-pressure fluid bearing

Details Motor device having a dynamic-pressure fluid bearing Motor device having a dynamic-pressure fluid bearing

1990-05-23

1992-04-07

Ben, Loha

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359217, 310 90, 73497, G02B 2608

Patent

active

051033356

ABSTRACT:
A motor includes a rotating mirror for reflecting and performing deflection scanning of a light beam emitted from a light source, a support member for supporting the rotating mirror, a fixed member for supporting the support member, a fluid disposed between the support member and the fixed member, a driving magnet provided on a rotor fixed to the support member, a driving coil fixed at a position on a body portion of the motor facing the driving magnet, and a heater for heating the fluid.

REFERENCES:
patent: 3782205 (1974-01-01), Fletcher et al.
patent: 3992576 (1976-11-01), Sugiura
patent: 4099415 (1978-07-01), Hartzell, Jr.
patent: 4609251 (1986-09-01), Nakaoka et al.
patent: 4623216 (1986-11-01), Sato et al.
patent: 4694213 (1987-09-01), Gowda et al.

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