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Electronic article comprising loudspeaker and touch pad

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
Reexamination Certificate

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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 audio accurate reproduction system and method

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

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Electronic audio device and method of operation

Electrical audio signal processing systems and devices – Monitoring of sound – Amplification control responsive to ambient sound
Patent

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Electronic audio memory with single action single control

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Patent

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Electronic audio signal amplifier and loudspeaker system

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

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Electronic audio signal processor

Electrical audio signal processing systems and devices – Sound effects
Patent

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Electronic audio system

Electrical audio signal processing systems and devices – Sound effects
Patent

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Electronic ausculscope

Electrical audio signal processing systems and devices – Stethoscopes – electrical
Patent

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Electronic cancellation of ambient noise in telephone headset

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
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 circuit and process for creation of three-dimensional

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

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Electronic circuit for sensing disconnect or failure of a power

Electrical audio signal processing systems and devices – Audio transducer protection circuitry
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 component assembly for an electronic device and metho

Electrical audio signal processing systems and devices – Having microphone
Patent

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Electronic damper circuit for a hearing aid and a method of usin

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

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Electronic data compressor

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Patent

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Electronic device

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Reexamination Certificate

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Electronic device accessory

Electrical audio signal processing systems and devices – Circuitry combined with specific type microphone or loudspeaker – With electrostatic microphone
Reexamination Certificate

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Electronic device accessory with ultrasonic tone generator

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

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