Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Koji Kato0
Date of Patent
October 28, 2008
0Patent Application Number
113022000
Date Filed
December 14, 2005
0Patent Primary Examiner
Patent abstract
A position detecting unit detects rotational position information of a plurality of motors. A phase difference control unit delays an excitation phase switching pulse of at least one of the motors by a predetermined amount on the basis of the rotational position information of the motors and predetermined time difference information.
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