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Broad-band echo sounder

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

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Broadband loudspeaker

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker
Reexamination Certificate

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Broadcast digital sound processing system

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

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Broadcast digital sound processing system

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

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Broadcast receiver

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

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Broadcast signal conditioning method and apparatus

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

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Broadcast signal detected indication system

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

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Broadside small array microphone beamforming unit

Electrical audio signal processing systems and devices – Directive circuits for microphones
Reexamination Certificate

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BTE assistive listening receiver with interchangeable crystals

Electrical audio signal processing systems and devices – Sound effects – Reverberators
Patent

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BTE/CIC auditory device and modular connector system therefor

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

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BTE/CIC auditory device and modular connector system therefor

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

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BTE/CIC auditory device and modular connector system therefor

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

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BTE/CIC auditory device and modular connector system therefor

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

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BTE/CIC auditory device and modular connector system therefor

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

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BTL amplifier apparatus

Electrical audio signal processing systems and devices – Noise or distortion suppression – Soft switching – muting – or noise gating
Reexamination Certificate

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BTSC encoder

Electrical audio signal processing systems and devices – Including amplitude or volume control – With amplitude compression/expansion
Patent

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BTSC encoder

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

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BTSC encoder and integrated circuit

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

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BTSC encoder and integrated circuit

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

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Built-in microphone device

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

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