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. 02, 2006
Filed:
Jul. 05, 2002
Applicant:
Shigeru Kameyama, Shizuoka, JP;
Inventor:
Shigeru Kameyama, Shizuoka, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/54 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming apparatus is provided, which is capable of performing phase control of rotation bodies inexpensively and accurately and is capable of reducing time until completion of phase adjustment at the time of a print operation to prevent first print time from becoming long. This image forming apparatus includes a device for detecting a home position of rotation bodies, a motor, and a motor control device for controlling the motor by a software servo, in which said motor control device has a position control function with respect to the motor.