The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 05, 1998
Filed:
Nov. 29, 1996
Applicant:
Inventor:
Jean Thierry Audren, St Remy les Chevreuse, FR;
Assignee:
SFIM Industries, Massy, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
318114 ; 310 15 ; 310323 ;
Abstract
A vibration motor comprising a stator and a rotor together with excitation means for deforming said stator in a vibratory mode enabling it to rotate the rotor, the motor being characterized in that the stator and/or the rotor include(s) a shape memory alloy in the vicinity of or at a zone of mutual contact between the rotor and the stator.