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:
Sep. 08, 1987
Filed:
Jan. 28, 1985
Applicant:
Inventor:
Takuo Okuno, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
318116 ; 310317 ; 310322 ; 310323 ; 310328 ;
Abstract
A vibration wave motor for driving a movable member by a travelling vibration wave generated in a vibration member having an electrostrictive element by applying a periodic voltage to the vibration member, intermittently applies the periodic voltage to the electrostrictive element to reduce a moving speed of the movable member without reducing an amplitude of the periodic voltage.