Ultrasonic driving motor
US5332941A · kind A · utility
14Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 17, 1993 |
| Grant date | Jul 26, 1994 |
| Priority date | — |
| Expiry date | Feb 17, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/126
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is directed to an ultrasonic driving member comprising a rotor having slide projections in contact with an edge face of a piezoelectric vibrator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.