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Electro-acoustic transducer

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer causing sound waves to be in phase a

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer diaphragms

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer having a diaphragm comprising a laye

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer means

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer with active dome

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustic transducer with variable thickness foam surface

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electro-acoustical structure

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electroacoustic transducer

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electroacoustic transducer

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electroacoustic transducer filter assembly

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electroacoustic transducer having a variable thickness diaphragm

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electroacoustical converter

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electrodynamic loudspeaker

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electrodynamic loudspeaker for low and medium sound frequencies

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Electrodynamic type electroacoustic transducer

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Enclosure system for sound generators

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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