Piezoelectric motors and motor driving configurations
US6979936B1 · kind B1 · utility
26Cited by
20References
51Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2000 |
| Grant date | Dec 27, 2005 |
| Priority date | — |
| Expiry date | Oct 31, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10N30/2023
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A piezoelectric motor comprising: a layer of piezoelectric material having narrow edge surfaces and first and second large face surfaces, formed with at least three arms, each extending radially outward from a common central region and terminating in an end; and at least one electrode on the first face surface and at least one electrode on the second face surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.