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System for managing feedback

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

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System for maximum efficient transfer of modulated energy

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

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System for method for producing synthetic plural word messages

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

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System for method for producing synthetic plural word messages

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

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System for mitigating RF interference in a hearing aid

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

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System for playback of pre-encoded signals through a...

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

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System for processing an audio signal so as to reduce the noise

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

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System for processing audio surround signal

Electrical audio signal processing systems and devices – Binaural and stereophonic – Pseudo stereophonic
Patent

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System for processing audio surround signal

Electrical audio signal processing systems and devices – Binaural and stereophonic – Pseudo stereophonic
Patent

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System for producing an artificial sound environment

Electrical audio signal processing systems and devices – Headphone circuits
Reexamination Certificate

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System for producing stereo-simulated signals for simulated-ster

Electrical audio signal processing systems and devices – Binaural and stereophonic – Pseudo stereophonic
Patent

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System for rapid convergence of an adaptive filter in the genera

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

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System for reducing noise in the reproduction of recorded...

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

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System for reducing noise level in vehicular cabin

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

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System for reducing noise sounding in passenger compartment of v

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

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System for registering speech information to make a voice dictio

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

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System for reproducing audio information corresponding to a...

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

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System for selective sound capture for reverberant and noisy env

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

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System for short-range transmission of signals over the air usin

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

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System for short-range transmission of signals over the air usin

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

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