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:
Nov. 13, 2007
Filed:
Sep. 10, 2004
Applicants:
Won-ik Cho, Seoul, KR;
Myung-ryul Choi, Seoul, KR;
Inventors:
Won-ik Cho, Seoul, KR;
Myung-ryul Choi, Seoul, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/08 (2006.01); G11B 33/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical pickup assembly having: a pickup base; an actuator installed in the pickup base, and having a blade, on which an objective lens to radiate light onto a disc is mounted; a cover, installed to surround the actuator, and regulating a range of movement of the blade; and an attenuator protruding from an inside of the cover, splitting an eddy current occurring during rotation of the disc into a plurality of small eddy currents, and attenuating a disturbance acting on the blade.