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Electrically conductive damper device for speaker

Acoustics – Diaphragm – With damping means
Reexamination Certificate

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Electro-acoustic transducer and method of manufacturing...

Acoustics – Diaphragm – Mounting or suspension means
Reexamination Certificate

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Electro-acoustic transducer and method of manufacturing...

Acoustics – Diaphragm – Mounting or suspension means
Reexamination Certificate

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Electro-acoustic transducer with high air permeable diaphragm

Acoustics – Diaphragm – Critically defined material or coating
Patent

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Electro-dynamic speaker

Acoustics – Diaphragm – With damping means
Patent

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Electroacoustic diaphragm and method for making same

Acoustics – Diaphragm – Critically defined material or coating
Patent

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Electroacoustic transducer

Acoustics – Diaphragm – With resonant chamber
Patent

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Electroacoustic transducer comprising a membrane with a...

Acoustics – Diaphragm – Particular shape
Reexamination Certificate

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Electroacoustic transducer frame and method of making the same

Acoustics – Diaphragm – Critically defined material or coating
Reexamination Certificate

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Electroacoustic transducers

Acoustics – Diaphragm
Patent

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Electrodynamic loudspeaker and system comprising the loudspeaker

Acoustics – Diaphragm – Mounting or suspension means
Patent

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Electromagnetic converter

Acoustics – Diaphragm – With direct mechanical connection to drive unit
Patent

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Electromagnetic holding brake

Acoustics – Diaphragm – With direct mechanical connection to drive unit
Reexamination Certificate

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Evacuated enclosure mounted acoustic actuator and passive...

Acoustics – Diaphragm – Mounting or suspension means
Reexamination Certificate

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