LOUDSPEAKER AND LOUDSPEAKER DRIVER
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United States of America Patent
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N/A
Issued Date -
Aug 25, 2016
app pub date -
Feb 21, 2015
filing date -
Feb 21, 2015
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A loudspeaker is provided. The loudspeaker includes a housing, a conical frame, a diaphragm, an inner surround portion, a magnetic assembly, a voice coil, and a double-roll surround structure. The conical frame has an upper portion formed with an opening The diaphragm is located at the upper portion and circumscribed by the opening. The edge of the diaphragm and the edge of the conical frame defining the opening are connected by the inner surround portion. The magnetic assembly is disposed on a lower portion of the conical frame. The voice coil is below the diaphragm and corresponds to the magnetic assembly. The edge of the conical frame and the housing are connected by the double-roll surround structure.
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