4. Amplifiers
  5. With semiconductor amplifying device
  6. Including differential amplifier

Katsuya Shimomura

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Charge pump circuits for PLL frequency synthesizer

Oscillators – Automatic frequency stabilization using a phase or frequency... – Transistorized controls
Patent

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Loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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PLL frequency synthesizer

Oscillators – Automatic frequency stabilization using a phase or frequency... – Plural oscillators controlled
Reexamination Certificate

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Speaker installation structure

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Reexamination Certificate

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Variable gain circuit with improved gain response

Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent

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Profile ID: LFUS-PAI-P-367019

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