Speaker system for head protective gear
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United States of America Patent
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-
Sep 6, 2011
Grant Date -
May 3, 2007
app pub date -
Dec 6, 2006
filing date -
Dec 20, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A headgear system enhanced for generating sound has at least one speaker apparatus connected to or integrated into the structure of the headgear system, the speaker apparatus including a magnet suspended in a magnetic fluid, and at least one resonator connected to the at least one speaker apparatus. The system is characterized in that excitation of the magnet produces vibration translated to the resonator to generate the sound.
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Family
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Cited Art Landscape
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