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Detachable inflight headset for civil aircraft

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Detachable stethoscope

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Detectable earplug

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Detectable earplug and method of manufacture thereof

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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Device and method for inserting acoustic dampers into earphones

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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Device for increasing the compliance of a speaker enclosure

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Device for simultaneous modulation and amplification of low freq

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Diaphragm assembly for stethoscope chest piece

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Reexamination Certificate

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Diaphragm cover for a stethoscope

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Diaphragm for a loudspeaker

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Diaphragm for an electro-acoustic transducer

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Diaphragm for attenuating harmonic response in an electroacousti

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Diaphragm material for moving coil loudspeaker, may be laminated

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Diffraction free arrangement

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Direct/reflecting speaker system and triangular shaped enclosure

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Direction and frequency independent column of electro-acoustic t

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Directional hearing enhancement

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Directional microphone

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Directional microphone

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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Directional microphone with high frequency selective acoustic le

Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent

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