Patent · US Expired

Vibration driven device

US5798598A · kind A · utility

11Cited by
6References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 18, 1996
Grant dateAug 25, 1998
Priority date
Expiry dateNov 18, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02N2/163
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A vibration driven device includes a vibration member having a plurality of projective portions, and an electro-mechanical energy conversion element contacting the vibration member. The conversion element has a plurality of electrodes, and the vibration member is vibrated by applying a signal to the electrodes. Each end portion of the plurality of electrodes of the conversion element is located coincident with one of the plurality of projection portions of the vibration member.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.