Acoustic earpiece
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United States of America Patent
Stats
-
Feb 16, 1988
Grant Date -
N/A
app pub date -
Jul 24, 1986
filing date -
Jul 24, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved acoustic earpiece of the type used to transmit sound mechanically from a sound source to the ear drum of a listener is disclosed herein. The acoustic earpiece includes a tube and a resilient element surrounding one end thereof comprising an open cell resilient foam with a slow compression recovery rate and a fully compressed diameter of less than the diameter of the human ear canal.
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