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:
Aug. 20, 2002
Filed:
Dec. 28, 1998
Applicant:
Inventors:
Akira Senda, Tokyo, JP;
Noboru Suzuki, Utsunomiya, JP;
Assignee:
Canon Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02N 2/00 ;
U.S. Cl.
CPC ...
H02N 2/00 ;
Abstract
This invention relates to a driving device for a vibration type motor. According to this invention, maximum speed data of the motor is obtained in accordance with the temperature, and the speed is controlled using the data as an upper limit, thereby properly driving the vibration type motor.