VIBRATING ACTUATOR
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United States of America Patent
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Jan 15, 2016
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Jan 16, 2015
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Abstract
A vibration actuator having a plate-shaped body made from a magnetic material that has a planar supporting face; a movable element that vibrates in the axial direction along the supporting face, in direct contact, or partial contact through contacts, with a plurality of locations of the supporting face; an elastic member for elastically repelling the vibration of the movable element; and a coil, wherein a winding part is secured to the plate-shaped body, and is perpendicular, in relation to the axial direction, to a gap between the movable element and the plate-shaped body; wherein the movable element has a magnetic flux, which passes through the winding part of the coil, formed between the movable element and the plate-shaped body, and is provided with a magnet for magnetically attracting the movable element toward the supporting face side.
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