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.
Patent No.:
Date of Patent:
Sep. 22, 2015
Filed:
May. 31, 2011
Seongmin Lee, Seoul, KR;
Sangok Park, Seoul, KR;
Seongmin Lee, Seoul, KR;
Sangok Park, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
A voice coil motor is disclosed, the motor including: a mover including a bobbin including a first bobbin having a lens secured therein and a plurality of second bobbins intermittently protruded from an upper surface of the first bobbin, and a coil block secured to a periphery of the first bobbin; a stator including a magnet facing the coil block and a yoke securing the magnet; a case including a bottom case formed with the bobbin and an upper case coupled to the bottom case and having a portion that is correspondingly opened to the bobbin; and an elastic member elastically supporting the bobbin, wherein any one of the yoke and the upper case is formed with a rotation prevention unit extended to the plurality of second bobbins in order to prevent the bobbin from rotating.