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:
Dec. 17, 1996
Filed:
Sep. 21, 1994
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N / ;
U.S. Cl.
CPC ...
310323 ; 310328 ;
Abstract
A vibration driven device includes a first vibration elastic member, a second vibration elastic member, an electro-mechanical energy conversion element clamped between the first and second vibration elastic members, and a first contact member contacting at least one of the first and second vibration elastic members. A projection region which does not overlap the conversion element is arranged on the one vibration elastic member, the first contact member contacts only the projection region, and the first contact member moves relative to the one vibration elastic member by a vibration of the one vibration elastic member.