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:
Jun. 30, 2009
Filed:
Dec. 23, 2005
IN Ho Choi, Sungnam-si, KR;
Sam Nyol Hong, Suwon-si, KR;
Jin a Kim, Seoul, KR;
Young Joong Kim, Seoul, KR;
In Ho Choi, Sungnam-si, KR;
Sam Nyol Hong, Suwon-si, KR;
Jin A Kim, Seoul, KR;
Young Joong Kim, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
An optical pick-up actuator is provided. The optical pick-up actuator includes a lens holder, a tracking coil, a focusing coil, and a magnet. The lens holder holds an objective lens. The tracking coil is wound with wire, is disposed at a central portion on both sides of the lens holder, and includes a horizontal width at a top thereof that is less than a horizontal width at a bottom thereof. The focusing coil is wound with wire, is disposed at a left and a right on both sides of the lens holder, and includes a horizontal width at a top thereof that is greater than a horizontal width at a bottom thereof. The magnet faces the tracking coil and the focusing coil.