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. 05, 2000
Filed:
Dec. 16, 1998
Applicant:
Inventors:
Toshihiko Ohtsubo, Numazu, JP;
Michio Kawase, Mishima, JP;
Kazuyoshi Suzuki, Numazu, JP;
Takahiro Watanabe, Shizuoka-ken, JP;
Jun Yamaguchi, Numazu, JP;
Tetsuro Fukusaka, Susono, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
318 49 ; 318 85 ; 318114 ;
Abstract
A motor control apparatus, which can control the speeds of a plurality of motors with nearly no speed variations until the final target speed is reached, includes a target speed setting circuit for dividing the speed range of the motors up to the final target speed into n steps (n is an integer and n.gtoreq.2) to set a target speed, and setting the next divided target speed after all the motors have reached the current divided target speed.