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

Izuho Hirano

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Apparatus for reducing noise in space applicable to vehicle pass

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

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Rotating shaft coupling

Rotary shafts – gudgeons – housings – and flexible couplings for ro – Torque transmitted via flexible element – Element is annular liner within radially spaced...
Reexamination Certificate

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Vibration reducing system for internal combustion engine

Internal-combustion engines – Vibration compensating device – Balancing arrangement
Reexamination Certificate

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Profile ID: LFUS-PAI-P-866302

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