Haptic actuator
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United States of America Patent
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Apr 11, 2017
Grant Date -
Aug 25, 2016
app pub date -
Jul 18, 2014
filing date -
Nov 5, 2013
priority date (Note) -
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Abstract
A haptic actuator more improved performance in response speed, frequency band, etc according to touch of user by improving magnetic force structure, comprises a case having an accommodation space therein; a core fixedly mounted in the accommodation space; a first coil member and a second coil member mounted on the outside of the core to be vertically spaced apart each other; a center yoke disposed between the first coil member and the second coil member and mounted on the outside of the core; a magnet disposed on the outside of the center yoke; a weight fixedly mounted on the outside of the magnet; a first elastic member having an end fixed to the magnet and the weight, and an opposite end fixed to the upper of the case and elastically supporting the magnet and the weight.
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