Wave motor driving circuit

Details Wave motor driving circuit Wave motor driving circuit

1988-07-13

1990-04-03

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310323, H01L 4168

Patent

active

049143360

ABSTRACT:
A wave motor driving circuit for driving a moving body frictionally by vibrations generated by applying electric signals to electromechanical transducer stuck on an elastic body, the wave motor driving circuit comprises: a driving-wave forming circuit for forming driving waveforms to drive to wave motor; a position sensor for detecting rotational position of the moving body of the wave motor; a position detector circuit for outputting position information from the position sensor in accordance with a request signal from a detection control circuit; and the detection control circuit for generating the request signal having means for altering an interval of generating the request signal in response to position information of the position detector circuit.

REFERENCES:
patent: 4727276 (1988-02-01), Izukawa

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