Loudspeaker, and electronic apparatus and mobile device using the loudspeaker
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United States of America Patent
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Oct 13, 2015
Grant Date -
Apr 3, 2014
app pub date -
Apr 16, 2013
filing date -
Apr 27, 2012
priority date (Note) -
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Abstract
A loudspeaker includes a diaphragm, a magnetic circuit, and a frame. The frame includes an outer peripheral part supporting the diaphragm, a center part supporting the magnetic circuit, and a connection part connecting the center part to the outer peripheral part. The outer peripheral part molded with resin includes an inner wall, an outer wall facing the inner wall, and a reinforcing rib provided between the inner wall and the outer wall.
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