Vibration wave motor
US5134348A · kind A · utility
20Cited by
12References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1991 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Jul 3, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/163
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vibration wave motor in which a signal for suppressing unnecessary vibration engendered during the driving of the vibration wave motor, besides the driving signal of the motor, is applied to the motor to suppress the unnecessary vibration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.