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

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Electro acoustic system built-in test and calibration method

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation

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Electro acoustic transducer and loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having electrostatic element

Patent

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Electro-acoustic apparatus

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

Reexamination Certificate

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Electro-acoustic communications unit

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure

Reexamination Certificate

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Electro-acoustic converter

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

Reexamination Certificate

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Electro-acoustic converter with compensated frequency response c

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

Patent

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Electro-acoustic dynamic transducer system for use in a loud...

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

Reexamination Certificate

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Electro-acoustic micro-transducer having three-mode...

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

Reexamination Certificate

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Electro-acoustic system

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

Reexamination Certificate

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Electro-acoustic system

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system

Patent

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Electro-acoustic system analyzer

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices

Patent

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Electro-acoustic system having a variable reflection/absorption

Electrical audio signal processing systems and devices – Loudspeaker feedback

Patent

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