Control apparatus for vibration driven motor

Details Control apparatus for vibration driven motor Control apparatus for vibration driven motor

1993-12-21

1995-08-08

Budd, Mark O.

Electricity: motive power systems

Nonmagnetic motor

310316, H01L 4108

Patent

active

054402123

ABSTRACT:
The present invention relates to an apparatus for sequentially controlling a plurality of vibration driven motors by a microcomputer. The present invention provides a control apparatus for constantly monitoring a vibration state of each motor, and when a motor is close to a resonance state, preferentially controlling the motor in a state near resonance by interrupt processing even if the computer is currently controlling another motor.

REFERENCES:
patent: 4935659 (1990-06-01), Naka et al.
patent: 4990835 (1991-02-01), Ohnishi et al.
patent: 5254899 (1993-10-01), Suzuki et al.
patent: 5285134 (1994-02-01), Kataoka

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