Speaker unit and a method for manufacturing the same
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United States of America Patent
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Apr 6, 1999
Grant Date -
N/A
app pub date -
May 28, 1997
filing date -
May 28, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A speaker unit has a cylindrical yoke, an annular frame secured to the yoke, and a diaphragm having a central spherical vibrating portion and an annular support portion formed around the vibrating portion and mounted on the annular frame. An annular vertical holding wall is formed on the annular frame, and an annular vertical abutment portion is formed on the annular support portion and abutted against the annular vertical holding wall.
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