LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices,Electro-acoustic audio transducer,Electromagnetic

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Diaphragm, flat-type acoustic transducer, and flat-type...

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

Reexamination Certificate

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Diffusing volume electroacoustic transducer

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

Patent

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Dome speaker

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

Patent

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Dome type diaphragm and loudspeaker apparatus

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

Reexamination Certificate

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Dome-shaped diaphragm and speaker

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

Reexamination Certificate

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Double cone-type loudspeaker

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

Patent

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Driver for a flat acoustic panel

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

Reexamination Certificate

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Driver for a horn radiator

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

Patent

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Driver for a speaker

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

Reexamination Certificate

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Dual basket speaker with replaceable, self-aligning cone...

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

Reexamination Certificate

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Dual diaphragm electroacoustic transducer

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

Reexamination Certificate

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