4. Electrical audio signal processing systems and devices
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Wireless personal communication apparatus in the form of a...

Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Reexamination Certificate

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Wireless receiver

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Near field
Patent

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Wireless remote control for a hearing instrument

Electrical audio signal processing systems and devices – Hearing aids – electrical – Remote control – wireless – or alarm
Reexamination Certificate

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Wireless remote speaker system

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

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Wireless remote speaker system

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

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Wireless remote speakers for an automotive vehicle

Electrical audio signal processing systems and devices – Vehicle
Reexamination Certificate

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Wireless speaker adapter

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

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Wireless speaker circuit

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

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Wireless speaker system

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

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Wireless speaker system suitable for hard-wired audio system

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

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Wireless stereo center speaker system

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

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Wireless stereo headphone

Electrical audio signal processing systems and devices – Binaural and stereophonic – Hearing aid
Patent

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Wireless surround sound speaker system

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

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Wireless system for hearing communication devices providing...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate

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Wireless transmission system for hearing devices

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

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Wireless transmitter/receiver circuit system with floating...

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

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Wiring state detecting device for vehicle

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

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Wiring structure of loudspeaker

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

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Wiring structure of loudspeaker

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

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Woofer having ornamental flashing lights

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

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