Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 29, 2008
Patent Application Number
11317519
Date Filed
December 23, 2005
Patent Primary Examiner
Patent abstract
A power supply circuit includes at least one capacitor, a plurality of switching members, a power supply which outputs a plurality of voltages and a selecting section for controlling said plurality of switching sections to periodically select one of said plurality of voltages and apply the selected voltage to one terminal and the other terminal of the capacitor. The selecting section includes a member for applying the selected voltage to one terminal and the other terminal of the capacitor across a resistor, during a current limiting period immediately after the application of the selected one of said plurality of voltages to one terminal and another terminal of the capacitor is started.
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