Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tong Zhou0
Huai-Zhu Yan0
Date of Patent
February 22, 2011
0Patent Application Number
122314840
Date Filed
September 2, 2008
0Patent Primary Examiner
Patent abstract
An exemplary direct current (DC) to DC converter includes a first rectifying and filtering circuit configured to receive an alternating current (AC) voltage and transform the AC voltage to a first DC voltage, a pulse width modulation (PWM) circuit, a first transformer configured to receive the first DC voltage and transform the first DC voltage to a second AC voltage under control of the PWM circuit, and a second rectifying and filtering circuit including a first transistor and a control circuit for switching on or switching off the first transistor so as to transform the second AC voltage to a second DC voltage.
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