Patent · US Expired

Piezomotor with a guide

US7342347B2 · kind B2 · utility

13Cited by

63References

24Claims

0Family size

Assignee

Elliptec Resonant Actuator AG · DE

Inventors

Bjoern Magnussen · Iserlohn, DE
Benjamin Hagemann · Gerlingen, DE
Dieter Schuler · Lichtenfels, DE
Erick Davidson · Richmond, US
Peter Varadi · Corona, US

Key dates

Filing date	Mar 19, 2004
Grant date	Mar 11, 2008
Priority date	—
Expiry date	Mar 19, 2024

Classification

Technology area (CPC H)Electricity
CPC primaryH02N2/103
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present invention relates to a drive system comprising at least one motor with at least one vibration generator each as well as at least one resonator each and a device driven by said motor, wherein the resonator comprises a contact area that cooperates with the surface of the device in order to drive said device.

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