Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Aart Zeger Van Halteren0
Date of Patent
February 19, 2013
0Patent Application Number
112636700
Date Filed
October 31, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An electro-acoustical transducer comprising DC atmospheric pressure equalization vents for equalizing pressure in both chambers therein. The sound port of the transducer may be sealed by a sound conducting member preventing gas flow there through. The transducer may have a single vent extending in a plane of a side portion, which vent may have a meandering path or may comprise tapering portions or cavities defining acoustical properties thereof.
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