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:
Apr. 12, 2011
Filed:
Jan. 08, 2008
Jang-hoon Yoo, Seoul, KR;
Yong-han Yoon, Suwon-si, KR;
Soo-hen Park, Yongin-si, KR;
Young-sun Jeong, Seoul, KR;
Myoung-seek Kim, Seoul, KR;
Jang-hoon Yoo, Seoul, KR;
Yong-han Yoon, Suwon-si, KR;
Soo-hen Park, Yongin-si, KR;
Young-sun Jeong, Seoul, KR;
Myoung-seek Kim, Seoul, KR;
SAMSUNG Electronics Co., Ltd., Suwon-si, KR;
Abstract
A unit to remove crosstalk in a multi-layered disk, an optical pickup including the unit, and an optical recording and/or reproducing apparatus including the optical pickup, of which the optical pickup includes: a light source; an optical path changer to change the path of light emitted from the light source; a unit to remove crosstalk; an objective lens to focus incident light on a disk; and a photodetector detecting light reflected by the disk such that the unit to remove crosstalk separates light reflected by a target recording layer of the disk from light reflected by adjacent recording layers so that the light reflected by the target recording layer and the light reflected by the adjacent recording layers do not overlap on the photodetector.