Electricity: power supply or regulation systems – Input level responsive
Reexamination Certificate
2007-09-28
2011-12-13
Berhane, Adolf (Department: 2838)
Electricity: power supply or regulation systems
Input level responsive
C315S247000
Reexamination Certificate
active
08076920
ABSTRACT:
A switching power converter tracks a time-varying input voltage during each cycle of the input voltage to provide power factor correction. The switching power converter includes a switch with a frequency and duty cycle modulated control signal. The switch controls the transfer of energy between the input and output of the switching power converter. The frequency of the control signal is greater than a frequency of the input signal. The control signal frequency is modulated during each cycle of the input voltage so that energy transferred from the switching power tracks the energy supplied to the switching power converter.
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Berhane Adolf
Chambers Kent B.
Cirrus Logic Inc.
Hamilton & Terrile LLP
Pham Emily
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