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Stereo speaker system for walkman-type radio and/or cassette pla

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

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Stereo speaker system having acoustic filter for improving...

Electrical audio signal processing systems and devices – Including frequency control
Reexamination Certificate

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Stereo surround system

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

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Stereo synthesizer

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

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Stereo system and stereo method for electronic acoustical system

Electrical audio signal processing systems and devices – Sound effects
Patent

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Stereo system cabinet with loudspeaker door assembly

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

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Stereo system with piezo-electrical film speaker

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

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Stereo ultradirectional microphone apparatus

Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo sound pickup device
Patent

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Stereo voice transmission apparatus, stereo signal coding/decodi

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

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Stereo widening network for two loudspeakers

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

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Stereo/monaural detection apparatus

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

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Stereo/monaural selecting circuit

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

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Stereo/two-tone demodulator

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

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Stereodecoder

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

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Stereophonic acoustic echo cancellation using non-linear transfo

Electrical audio signal processing systems and devices – Dereverberators
Patent

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Stereophonic baffle

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

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Stereophonic balance control system

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

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Stereophonic binaural recording or reproduction method

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

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Stereophonic decoder

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

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Stereophonic device and stereophonic method

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

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