4. Amplifiers
  5. With semiconductor amplifying device
  6. Including class d amplifier

Yuancheng Ren

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Buck converter with high efficiency gate driver providing...

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

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Close-loop class-D audio amplifier and control method thereof

Amplifiers – With semiconductor amplifying device – Including class d amplifier
Reissue Patent

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Close-loop Class-D audio amplifier and control method thereof

Amplifiers – With semiconductor amplifying device – Including class d amplifier
Reexamination Certificate

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Close-loop class-D audio amplifier and control method thereof

Amplifiers – With semiconductor amplifying device – Including class d amplifier
Reexamination Certificate

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DA/AC convert for driving cold cathode fluorescent lamp

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2224292

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