Patent · US Expired

Driving apparatus using transducer

US5994819A · kind A · utility

5Cited by
8References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 1998
Grant dateNov 30, 1999
Priority date
Expiry dateMay 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.