Abstract: A linear vibrator, including: a fixing part providing an inner space having a predetermined size; at least one magnet disposed in the inner space of the fixing part to generate a magnetic force; a vibration part including a coil disposed to face the magnet to generate electromagnetic force by interacting with the magnet, and a mass body being vibrated; an elastic member coupled to the fixing part and the vibration part to provide an elastic force; and a substrate coupled to the vibration part and disposed to surround at least a portion of an outer circumferential surface of the magnet so as to prevent the substrate from contacting the magnet when the vibration part is vibrated.
Type:
Grant
Filed:
February 19, 2013
Date of Patent:
June 16, 2015
Assignee:
SASMUNG ELECTRO-MECHANICS CO., LTD.
Inventors:
Jun Kun Choi, Kwang Hyung Lee, Hwa Young Oh