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:
May. 13, 2008
Filed:
Dec. 07, 2004
IN Ho Choi, Anyang-si, KR;
Kwan Woo Park, Seoul, KR;
Gina Kim, Namyangju-si, KR;
Seong Hun Lee, Seoul, KR;
In Ho Choi, Anyang-si, KR;
Kwan Woo Park, Seoul, KR;
Gina Kim, Namyangju-si, KR;
Seong Hun Lee, Seoul, KR;
LG Electronics Inc., Seoul, KR;
Abstract
The present invention provides an optical pickup actuator, in which a pair of lenses, e.g., BD lens and DVD lens, are loaded on one pickup to record/reproduce information on/from optical discs having various write capacities such as BD (Blu-ray disc), CD, DVD and the like, by which drive and system configurations can be simplified, and by which the facilitation of the system configuration and high sensitivity of the actuator are provided since there exist no sensitivity deviations of tracking and focusing between BD and CD or DVD actuators.