An energy absorbing earcup apparatus for use in an aviation helmet and a method of making same is disclosed. The apparatus can include an earcup body adapted for positioning on a human ear and containing a speaker adapted to emit sound, and a noise attenuating cushioning member surrounding the earcup body. The apparatus can provide active noise reduction. A vent a vent can be formed in the earcup body to provide ventilation for the speaker, and an opening can be formed in the cushioning member that is in communication with the vent.
ENERGY ABSORBING EARCUP APPARATUS AND METHOD OF MAKING SAME
2021-04-01
Patent
Electronic Resource
English
IPC: | H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES |
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