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Stream segregation for stereo signals

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

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Streaming normalization

Electrical audio signal processing systems and devices – Including amplitude or volume control – Automatic
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Streaming normalization

Electrical audio signal processing systems and devices – Including amplitude or volume control – Automatic
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Structural assembly for housing an acoustical system

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric
Patent

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Structural improvements of earphone signal cord

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

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Structural noise source predictor

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Within cabin or compartment of vehicle
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Structure around a speaker unit and applied electric or...

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker
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Structure around a speaker unit and applied electric or...

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

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Structure for adjusting position of microphone on microphone...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
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Structure for changing sound quality of speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
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Structure for earphones with multiple sound tracks

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

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Structure for the sound coil of loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electromagnetic
Reexamination Certificate

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Structure of a loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
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Structure of a picture-frame type loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
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Structure of a receptacle for earphone wire

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
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Structure of a speaker apparatus

Electrical audio signal processing systems and devices – Noise or distortion suppression – Interpolation
Patent

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Structure of a wearable and hands free earphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
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Structure of an earpiece clamp

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

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Structure of battery receiving chamber

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

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Structure of dual magnetic loop type receiver

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