Driving apparatus using transducer
US5994819A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 29, 1998 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | May 29, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N2/025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A driving apparatus having an electromechanical transducer which extends and contracts; a first member connected to one end of the electromechanical transducer; a driving frictional member which is formed of a ceramic material and is connected to the other end of the electromechanical transducer; and a second member frictionally coupled with the driving frictional member, whereby either one of the first or second object is fixed and the electromechanical transducer is made to extend and contract, thereby driving in a specified direction the member which is either the first or second member and is not fixed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.