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. 08, 2001
Filed:
Nov. 12, 1998
Applicant:
Inventor:
Koji Kitani, Chofu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 4/104 ; H02N 7/06 ;
U.S. Cl.
CPC ...
H01L 4/104 ; H02N 7/06 ;
Abstract
A control apparatus for driving a vibration wave motor, in which localized fixation between a vibration member and a contact member in contact with the vibration member is peeled off by shifting the frequency of an applied frequency signal from a frequency higher than the resonant frequency to a lower frequency.