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Speaker distortion compensator

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

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Speaker driver

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

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Speaker driver with detachable motor and basket

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

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Speaker driver with detachable motor and basket

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

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Speaker driving circuit

Electrical audio signal processing systems and devices – With amplifier
Patent

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Speaker driving circuit

Electrical audio signal processing systems and devices – Including amplitude or volume control – With manual volume control
Reexamination Certificate

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Speaker driving circuit

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

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Speaker driving device

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

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Speaker embedded with oral setup tutorial

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

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Speaker enclosure

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

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Speaker enclosure

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

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Speaker enclosure assembly

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

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Speaker equalization tool

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

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Speaker equalization tool

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

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Speaker excursion control system

Electrical audio signal processing systems and devices – Audio transducer protection circuitry
Patent

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Speaker filtering circuit and support therefor

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

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Speaker for an electronic instrument

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

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Speaker for an electronic instrument

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

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Speaker for an electronic instrument

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

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Speaker for automotive audio system with vehicle panel utilized

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

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