The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 11, 2013

Filed:

Apr. 26, 2011
Applicants:

Youngil Park, Seoul, KR;

Kapjin Lee, Seoul, KR;

Inventors:

Youngil Park, Seoul, KR;

Kapjin Lee, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A linear vibrator is disclosed having a structure capable of generating a large vibratory force with a small size, outputting various types of vibrations in a wide bandwidth, and accurately coupling the magnet, the linear vibrator including: a case providing an inner space; a trembler including a yoke formed with a circular plate-shaped wing unit, a one inner lateral end-closed, cylindrical insertion unit bent from the wing unit to have a stair, an inner magnet coupled by being inserted into the insertion unit, and an external magnet coupled to one surface of the wing unit; an elastic member fixed at one end to the case and fixed at the other end to the trembler; and a stator fixed to the case to vibrate the trembler.


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