Magnetic assembly for speaker
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United States of America Patent
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Sep 8, 2015
Grant Date -
Apr 30, 2015
app pub date -
Jul 31, 2014
filing date -
Oct 29, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A magnetic assembly for a speaker is disclosed. The magnetic assembly includes a yoke, a magnet module installed on the yoke, and a pole module mounted on the magnet module. The magnet module includes a main magnet, a first secondary magnet and a second secondary magnet, the pole module includes a main pole plate, a first secondary pole plate and a second secondary pole plate. The first secondary pole plate includes a first pole protrusion extending perpendicularly from an edge thereof, and the second secondary pole plate includes a second pole protrusion extending perpendicularly from an edge thereof. The first pole protrusion and the second pole protrusion are located facing two opposite side walls of the main magnet respectively.
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