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Disposable modular hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Disposable modular hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Disposable oleophobic and hydrophobic barrier for a hearing aid

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent

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Disposable sleeve assembly for sound control device and...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Reexamination Certificate

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Distance measurement control of a multiple detector system

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Distortion cancel circuit in FM stereo

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent

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Distortion compensation

Electrical audio signal processing systems and devices – With amplifier
Reexamination Certificate

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Distortion correcting AM stereo receiver with non-flat AGC

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent

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Distortion correcting AM stereo receiver with non-flat AGC

Electrical audio signal processing systems and devices – Binaural and stereophonic – Broadcast or multiplex stereo
Patent

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Distortion reduction in loudspeakers

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element
Patent

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Distortion reduction in signal processors

Electrical audio signal processing systems and devices – Noise or distortion suppression
Patent

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Distortion reduction system

Electrical audio signal processing systems and devices – Noise or distortion suppression – Peak limiting or pulsive noise compensation
Patent

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Distortion removal apparatus, method for determining...

Electrical audio signal processing systems and devices – Including frequency control
Reexamination Certificate

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Distortion suppression in hearing aids with AGC

Electrical audio signal processing systems and devices – Hearing aids – electrical – Wideband gain control
Patent

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Distortion-cancellation circuit for audio peak limiting

Electrical audio signal processing systems and devices – Noise or distortion suppression – Interpolation
Patent

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Distributed audio coding for wireless hearing aids

Electrical audio signal processing systems and devices – Hearing aids – electrical – Noise compensation circuit
Reexamination Certificate

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Distributed noise cancellation system

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent

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Distributed pre-emphasis equalizer

Electrical audio signal processing systems and devices – Including frequency control
Patent

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Distributed stereo system

Electrical audio signal processing systems and devices – One-way audio signal program distribution
Reexamination Certificate

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Distributed stereo system

Electrical audio signal processing systems and devices – One-way audio signal program distribution
Reexamination Certificate

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