Control apparatus for vibration wave driven apparatus
US8274196B2 · kind B2 · utility
1Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2010 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Apr 8, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control apparatus detects the relative position between a vibration member and a driving-member-side vibration detection portion on the basis of a signal that shows a vibrational state of the vibration member and a signal output from the driving-member-side vibration detection portion, the driving-member-side vibration detection portion being provided on a driving member and detecting a vibration of the driving member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.