High pressure low impedance electrostatic transducer
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United States of America Patent
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-
Sep 12, 1995
Grant Date -
N/A
app pub date -
Jul 14, 1993
filing date -
Jul 14, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrostatic transducer in which two sheets are separated by a gas-filled gap. The sheets have conductive surfaces for imposing electric fields within the gap when an electrical potential is applied across the sheets. A flexible positioning mechanism between the sheets maintains the gap at a desired time-averaged thickness. The gap is made up of a plurality of thick regions and a plurality of thin regions. Both regions have a total projected area which is a substantial portion of the total area of one of the sheets. The average thickness of the gap in the thick regions is at least ten times greater than the gap's average thickness in the thin regions. The electrostatic field energy of the electric fields is concentrated in the thin regions.
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