LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices

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Crosstalk canceler

Electrical audio signal processing systems and devices – Binaural and stereophonic

Reexamination Certificate

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Crosstalk canceler

Electrical audio signal processing systems and devices – Binaural and stereophonic

Reexamination Certificate

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Crosstalk cancellation system with sound quality...

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

Reexamination Certificate

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Crosstalk cancellation using load impedence measurements

Electrical audio signal processing systems and devices – Headphone circuits

Reexamination Certificate

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Cup-in-a-cup structure and assembly method for...

Electrical audio signal processing systems and devices – Headphone circuits

Reexamination Certificate

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Current feedback system for improving crossover frequency...

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

Reexamination Certificate

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Current feedback system for improving crossover frequency...

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

Reexamination Certificate

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Curve fitted electrodynamic planar loudspeaker

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

Reexamination Certificate

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Curved line array loudspeaker

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

Reexamination Certificate

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Cushion cover for preventing pains in using earphones

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

Reexamination Certificate

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Customized in-ear interface for acoustic equipment and method

Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing

Reexamination Certificate

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Cyberoptic audio level control system

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

Patent

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Cylinder responsive vibratory noise control apparatus

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Within cabin or compartment of vehicle

Reexamination Certificate

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Cylindrical controller for an electronic device

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Cylindrical microphone having an electret assembly in the...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Cylindrical microphone having an electret assembly in the...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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