Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masae Sugawara0
Yuta Nomura0
Date of Patent
February 8, 2011
Patent Application Number
12222322
Date Filed
August 7, 2008
Patent Primary Examiner
Patent abstract
A charging unit charges a capacitor that is configured to be charged and discharged to drive a load. A switching unit switches on and off between the capacitor and the charging unit. A delay control unit delays an output of a switching control signal for controlling the switching unit until an output voltage of the charging unit exceeds a voltage of the capacitor, and outputs a delayed switching control signal. An output unit receives the delayed switching control signal from the delay control unit, and outputs the delayed switching control signal to the switching unit so that the charging unit charges the capacitor.
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