LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices,Acoustical noise or sound cancellation,Adjacent ear

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Ear defenders employing active noise control

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

Patent

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Ear terminal

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

Reexamination Certificate

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Earphone unit and a terminal device

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

Reexamination Certificate

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Earphoning

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

Patent

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Electroacoustic device for hearing needs including noise cancell

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

Patent

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Electronic attenuator

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

Patent

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Electronic cancelling of acoustic traveling waves

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

Patent

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Electronic compensation system for elimination or reduction of i

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

Patent

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Electronic muffler

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

Patent

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Electronic noise attenuation method and apparatus for use in eff

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

Patent

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Electronic noise attenuation system

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

Patent

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Electronic noise attenuation system

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

Patent

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Energy absorption apparatus

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

Patent

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Engine noise control apparatus

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

Patent

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Extended frequency range Helmholtz resonators

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

Patent

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