4. Amplifiers
  5. With semiconductor amplifying device
  6. Including particular power supply circuitry

Lee-Lung Yang

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High efficiency power amplifier

Amplifiers – With semiconductor amplifying device – Including particular power supply circuitry
Reexamination Certificate

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Power factor correction circuit

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate

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Power factor correction circuit

Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Reexamination Certificate

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Switch power supply apparatus

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate

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Transformer structure

Inductor devices – Coil or coil turn supports or spacers – Printed circuit-type coil
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2561887

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