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

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Electromagnetic sound generator

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

Patent

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Electromagnetic sound producing device

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

Reexamination Certificate

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Electromagnetic transducer

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

Patent

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Electromagnetic transducer and portable communicating device

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

Reexamination Certificate

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Electromagnetic transducer and portable communication device

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

Reexamination Certificate

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Electromagnetic transducer and portable communication device

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

Reexamination Certificate

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Electromagnetic transducer and portable communication device

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

Reexamination Certificate

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Electromagnetic transducer for generating sound in hearing...

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

Reexamination Certificate

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Electromagnetic transducer having a low reluctance return path

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

Reexamination Certificate

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Electromagnetic transducer having multiple magnetic air gaps...

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

Reexamination Certificate

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Electromagnetic transducer of improved efficiency

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

Patent

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Electromagnetic transducer with asymmetric diaphragm

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

Reexamination Certificate

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Electromagnetic transducer with eccentrically mounted voice...

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

Reexamination Certificate

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Electromagnetic vibrator

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Electromagnetically-shielded speaker systems and methods

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Electromechanical acoustic liner

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Electromechanical acoustic liner

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

Electromechanical and electroacoustic transducer

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

Reexamination Certificate

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Electromechanical transducer and method for transforming...

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Electromechanical transducer and method for transforming...

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

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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