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:
Jul. 17, 2007
Filed:
Sep. 08, 2004
Applicant:
Osamu Someya, Narashino, JP;
Inventor:
Osamu Someya, Narashino, JP;
Assignee:
BOC Edwards Japan Limited, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A motor control system has a rotary member, a motor for imparting a torque to the rotary member, a motor driving circuit for supplying power to the motor, and a drive control circuit for controlling a motor current supplied to the motor. An upper limit value of the motor current supplied to the motor is set so as to be variable. At the start of the motor, the drive control means controls the motor current by using the upper limit value as a set value.