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:
Oct. 18, 1988
Filed:
Oct. 21, 1986
Applicant:
Inventors:
Takuo Okuno, Yokohama, JP;
Susumu Itoh, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310323 ; 310328 ;
Abstract
A vibration wave motor including a vibration member having electro-mechanico-converting elements and generating a vibration wave in response to an electric field being applied to the electro-mechanico-converting elements. Also provided is a moving member contacting the vibration member and frictionally driven by the vibration wave generated in the vibratory member. The materials of the portions of the vibratory member and the moving member that contact each other are selected from combinations of hard alumite material and super-hard material.