Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kuniomi Oguchi0
Kenichi Sakakibara0
Date of Patent
March 1, 2011
0Patent Application Number
120873440
Date Filed
December 14, 2006
0Patent Primary Examiner
Patent abstract
Choppers are provided respectively in the output stages of two diode bridges, and their output sides are connected in parallel to a smoothing capacitor. By controlling the operations of the two choppers, the currents which are allowed to be inputted to the diode bridges are made triangular waves of mutually opposite phases, or middle-phase waveforms of three phases.
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