Acoustics – Diaphragm and enclosure
Patent
1991-11-14
1994-04-19
Gellner, Michael L.
Acoustics
Diaphragm and enclosure
181157, 181166, 181167, H05K 500, H04R 700
Patent
active
053047460
ABSTRACT:
A pattern of blocks or other features is formed on the diaphragm of an electro-acoustic transducer. The features in the pattern extend along and adjacent to an edge of the diaphragm. The features in a pattern are preferably arranged along two parallel lines, with a pair of features along one line positioned adjacent to a gap in the other line. Similar patterns may also be formed along a second, opposite edge of the diaphragm, and/or on enclosing surfaces adjacent to a transducer. The diaphragm may further be covered by a conformal coating which allows vibratory energy propagating through the surface to exceed the speed of sound through air.
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Gellner Michael L.
Lee Eddie C.
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