Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate
2005-06-07
2005-06-07
Berhane, Adolf (Department: 2838)
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
C363S097000
Reexamination Certificate
active
06903945
ABSTRACT:
A switching power supply apparatus operates with less power consumption as a whole as a result of reduced power loss suffered while the switching operation of the main switching device is being stopped in burst switching control. Burst switching control is achieved by a signal level checker circuit15repeatedly turning on and off a switch circuit17provided in the line by way of which a switching controller circuit19is supplied with operating power. In burst switching control, when the switching operation of a main switching device5is being stopped, the supply of operating power to the switching controller circuit19is also stopped. This helps reduce the power loss suffered while the switching operation is being stopped, and thus helps reduce the power consumption of the apparatus as a whole.
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Technical Data of an Energy-Saving Three-Terminal IPD (Intelligent Power Device) Manufactured by Panasonic (Matsushita Electric Industry Co. Ltd.) pp. 84-87, no date.
Berhane Adolf
Sharp Kabushiki Kaisha
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