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Patent Searching and Data


Title:
LINEAR VIBRATION MOTOR AND PORTABLE ELECTRONIC DEVICE PROVIDED WITH LINEAR VIBRATION MOTOR
Document Type and Number:
WIPO Patent Application WO/2017/026373
Kind Code:
A1
Abstract:
The present invention reduces the thickness of a movable element, and improves productivity of the movable element and maintains sufficient strength of a magnet section. The present invention is provided with: a movable element 10 having a magnet section 4 and a weight section 7; a frame 2 that accommodates the movable element 10 such that the movable element 10 reciprocates in one axial direction; a coil 3 that drives the magnet section 4 in the one axial direction; an elastic member 6 that applies, to the movable element 10, an elastic force repulsive to a driving force applied to the magnet section 4; and a shaft 8 that guides the reciprocating movement of the movable element 10. The magnet section 4 is formed of one piece M1 and the other piece M2 which are separated from each other such that the shaft 8 is inserted therebetween.

Inventors:
ODAJIMA SHIN (JP)
SEGAWA NOBORU (JP)
KATADA YOSHINORI (JP)
ISHII SHIORI (JP)
Application Number:
PCT/JP2016/072985
Publication Date:
February 16, 2017
Filing Date:
August 04, 2016
Export Citation:
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Assignee:
NIDEC COPAL CORP (JP)
International Classes:
B06B1/04; H02K33/16
Foreign References:
JP2012213710A2012-11-08
JP2013055717A2013-03-21
Attorney, Agent or Firm:
EICHI PATENT & TRADEMARK CORP. (JP)
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