Internal vent structure for waterproof microphone acoustic cavity

A method and apparatus are described for providing an acoustically-resistive air-permeable venting structure (117) within a sealed microphone (105) acoustic cavity. A microphone (105) is mounted on a printed circuit board (103) and positioned within a housing (101). A water-resistant membrane (111)...

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Bibliographische Detailangaben

Hauptverfasser:	Meyer, David J, Lee, Gary A, Mueller, Karl F, Gruenhagen, Deborah A, Arledge, John Kevin, Miehl, Andrew P
Format:	Patent
Sprache:	eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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