4. Music
  5. Instruments
  6. Electrical musical tone generation

Masako Arizumi

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Apparatus for and method of adding sound signal in system...

Music – Instruments – Electrical musical tone generation
Reexamination Certificate

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Pulse width modulation digital amplifier

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate

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PWM converting circuit, D/A converter and PWM converting...

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2549596

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