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:
Jul. 07, 2009

Filed:

Feb. 27, 2006
Applicant:

Myoung-wook Lee, Suwon-si, KR;

Inventor:

Myoung-wook Lee, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical pick-up actuator having a servo control system with increased stability includes a base, a lens holder mounted on the base to be tiltable about a tilting axis of the lens holder, at least one objective lens being mounted on the lens holder, and at least one groove being formed in the lens holder, and a magnet unit mounted on the base and extending into the at least one groove. Walls of the least one groove facing the magnet unit in a direction transverse to the tilting axis include sloping surfaces providing a tilting margin to enable tilting control to be performed.


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