Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Seiji Ishida0
Atsuhiko Nakamura0
Date of Patent
April 5, 2011
0Patent Application Number
122461740
Date Filed
October 6, 2008
0Patent Primary Examiner
Patent abstract
A pulse width modulation method has the steps of operating a second instruction signal so that each of the differences between two or three arbitrary instruction signals in three first instruction signals may become more than the predetermined value, and modulating in pulse width based on the second instruction signal.
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