Electrical audio signal processing systems and devices – Vehicle
Reexamination Certificate
2006-11-14
2006-11-14
Grier, Laura A. (Department: 2615)
Electrical audio signal processing systems and devices
Vehicle
C381S092000, C381S357000, C381S359000, C381S355000
Reexamination Certificate
active
07136494
ABSTRACT:
A microphone assembly for a vehicle accessory includes one or more transducers positioned in a microphone housing. The microphone housing has at least one acoustic port to which the transducer is acoustically coupled. The microphone assembly further includes a windscreen sealed across the acoustic port. The windscreen having hydrophobic properties to prevent water from penetrating the microphone housing through the acoustic port.
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Robertson, A.E., “Microphones,”Wireless World by Iliffe Books Ltd., 1963.
Bryson Michael A.
Knapp Robert C.
Poe G. Bruce
Spence William R.
Turnbull Robert R.
Gentex Corporation
Grier Laura A.
Price Heneveld Cooper DeWitt & Litton LLP
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