Loudspeaker system, method and apparatus of manufacturing the same
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United States of America Patent
Stats
-
Jun 10, 2008
Grant Date -
Jun 30, 2005
app pub date -
Feb 15, 2005
filing date -
Oct 6, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A liquefied paper material is used as raw materials. A paper frame member 1 supporting a vibrating plate is paper-skimmed and formed. On paper-skimming and forming, a central hole for use in voice coils, air-release hole 1a releasing air pressure in a rear of the vibrating plate to outside due to vibration of the vibrating plate. A loudspeaker system is manufactured using the paper frame member 1.
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