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Damping for directional sound cancellation

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

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Device for noise attenuation of weaving machine

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

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Device for reducing noise

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

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Device for reducing tire/road surface noise

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

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Digital electro-acoustic transducer

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

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Dual bandpass secondary source

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

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Ducted axial fan

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

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Dynamically configurable ANR filter block topology

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

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Dynamically configurable ANR signal processing topology

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

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