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

Hiroaki Takeyama

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Acoustic conductance and silencer utilizing same

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

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Communication system provided with control apparatus between...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1135144

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