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Audio mixer/pre-amplifier

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

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Audio multiplex television tuner

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

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Audio output system and method therefor

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate

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Audio playback apparatus and method

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

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Audio post processing in DVD, DTV and other audio visual...

Electrical audio signal processing systems and devices – Binaural and stereophonic – Quadrasonic
Reexamination Certificate

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Audio power amplifier device for micro-computers

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

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Audio power amplifier device for micro-computers

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

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Audio processing apparatus

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate

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Audio processing apparatus

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

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Audio processing apparatus and audio reproducing method

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate

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Audio processing system for restoring bass frequencies

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

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Audio processing unit for mixing L channel and R channel of CD/C

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

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Audio processor

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate

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Audio reproducing apparatus

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate

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Audio reproducing apparatus

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate

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Audio reproducing apparatus

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

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Audio reproducing apparatus

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate

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Audio reproducing apparatus and headphone

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

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Audio reproducing apparatus corresponding to picture

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

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Audio reproducing device

Electrical audio signal processing systems and devices – Binaural and stereophonic – Quadrasonic
Reexamination Certificate

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