LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices,Binaural and stereophonic,Broadcast or multiplex stereo

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Peak to peak signal detector for audio system

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

Reexamination Certificate

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Phase selectable circuit for use in a stereo demodulator

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

Patent

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Pilot cancellation circuit

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

Patent

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Pilot signal cancelling system

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

Patent

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Pilot signal detecting circuit for AM stereo signals

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

Patent

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Pilot signal detection circuit

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

Patent

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Pilot tone cancelling circuit for AM stereo decoder

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

Patent

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PLL circuit for generating output signal synchronized with input

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

Patent

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PM Decoder sample and hold circuit

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

Patent

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Portable audio devices

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

Reexamination Certificate

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Predistorted AM stereo transmission

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

Patent

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Process and apparatus for alternately switching radio signals ov

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

Patent

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Process for coding and decoding stereophonic spectral values

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

Reexamination Certificate

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Pulsive noise removing apparatus

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

Patent

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