4. Electrical audio signal processing systems and devices
  5. Acoustical noise or sound cancellation
  6. Adjacent ear

Hiroyuki Naono

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Howling canceller

Telephonic communications – Substation or terminal circuitry – For loudspeaking terminal
Patent

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Microphone apparatus

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

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Microphone apparatus

Electrical audio signal processing systems and devices – Directive circuits for microphones
Patent

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Microphone capable of cancelling mechanical generated noise

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Profile ID: LFUS-PAI-P-389864

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