Ultrasonic motor and ultrasonic motor control method

Details Ultrasonic motor and ultrasonic motor control method Ultrasonic motor and ultrasonic motor control method

1994-02-08

1995-08-01

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310323, 318116, H01L 4108

Patent

active

054382297

ABSTRACT:
An ultrasonic motor comprising vibrating body, piezoelectric body for exciting an elastic travelling wave in the vibrating body and moving body driven by the elastic travelling wave provides plural vibration amplitude detection electrodes for detecting an amplitude of vibration of the vibrating body these output signals from which are utilized to identify the magnitude of vibration amplitude of the vibrating body and the ultrasonic motor is controlled using the magnitude of vibration amplitude as a control index.

REFERENCES:
patent: Re34409 (1993-10-01), Hakamata et al.
patent: 4692649 (1987-09-01), Izukawa et al.
patent: 4829209 (1989-05-01), Kawasaki et al.
patent: 5001404 (1991-03-01), Kataoka
patent: 5004964 (1991-04-01), Kataoka et al.
patent: 5101144 (1992-03-01), Hirotomi
patent: 5134348 (1992-07-01), Izukawa et al.
patent: 5214339 (1993-05-01), Naito
patent: 5256928 (1993-10-01), Nishikura et al.

Affiliated with

Also associated with

Rating

Ultrasonic motor and ultrasonic motor control method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Ultrasonic motor and ultrasonic motor control method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ultrasonic motor and ultrasonic motor control method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-735270