Drive system for a vibration wave motor for lens control

Details Drive system for a vibration wave motor for lens control Drive system for a vibration wave motor for lens control

1983-11-23

1985-12-24

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310317, 310323, 310328, 354400, G03B 300, H01L 4108

Patent

active

045602638

ABSTRACT:
In a drive system for a vibration wave motor for generating a travelling vibration wave by friction-contacting a vibration member to a movable member and by electro-mechanical energy conversion means contained in one of the vibration member and the movable member to friction-drive the movable member, a standing vibration wave is generated by the electro-mechanical energy conversion means prior to the start.

REFERENCES:
patent: 4019073 (1977-04-01), Vishnevsky
patent: 4484099 (1984-11-01), Kawai et al.

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