SPEAKER WITH SOUND GENERATION PART OF LARGE AREA
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United States of America Patent
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Issued Date -
Sep 25, 2008
app pub date -
Nov 1, 2007
filing date -
Mar 20, 2007
priority date (Note) -
Abandoned
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Abstract
A speaker with a sound generation part of a large area is provided. In the speaker, a ring-shaped protrusion part is formed at the outer circumference of the flange par in the frame, and also the inner surface of the outer circumference of the edge is coupled to the outer circumference of the protrusion. Moreover, the inner circumference of the outer end part of the edge is coupled to a step formed at the outer surface of the flange part in the frame.
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