SUSPENSION STRUCTURE OF MULTI-FUNCTIONAL TYPE VIBRATION ACTUATOR
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United States of America Patent
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Issued Date -
Jul 3, 2014
app pub date -
Nov 29, 2013
filing date -
Dec 27, 2012
priority date (Note) -
Abandoned
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Abstract
Provided is a multi-functional type vibration actuator capable of stabilizing a vibration characteristic and improving variation in a resonance frequency by matching vibration waveforms when increasing/reducing an input signal frequency, by using a frame-shaped suspension of a polygonal shape. A spring characteristic of the frame-shaped suspension may be improved by forming J-shaped structures which is formed by connecting an extension portion and an arc, on all corner portions of the frame-shaped suspension of the polygonal shape, whereby reducing variation in a vibration waveform and a resonance frequency when sensible vibration is generated.
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