Linear resonant actuator with elastic suspension system
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United States of America Patent
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May 1, 2018
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N/A
app pub date -
Jun 22, 2017
filing date -
May 19, 2017
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Abstract
A linear vibration actuator is provided, comprising a movable structure, a coil and an elastic suspension system. The elastic suspension system comprises a first and a second elastic sheets, and the first and second elastic sheet respectively comprising a first and a second fixed portions, a first and a second suspension portions, and a first and a second engaging portions. Both first and second suspension portions comprise a bend with an angle greater than 90°. The elastic suspension system enables the simple harmonic motion of the movable structure approximating a parallel motion to improve vibration effect without increasing current outputted to the coil, so as to reduce temperature and power consumption of the present invention. As a result, the present invention is able to provide superior vibration effect to portable electronic product and solve the overheating and power consumption problems.
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