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. 09, 2013
Filed:
Dec. 09, 2010
Ui-yol Kim, Suwon-si, KR;
Yong-jae Lee, Suwon-si, KR;
Pyong-yong Seong, Seoul, KR;
Hong-kuk Kim, Seoul, KR;
Ui-yol Kim, Suwon-si, KR;
Yong-jae Lee, Suwon-si, KR;
Pyong-yong Seong, Seoul, KR;
Hong-kuk Kim, Seoul, KR;
Toshiba Samsung Storage Technology Korea Corporation, Suwon-si, KR;
Abstract
An optical pickup, photodetector, and optical drive adopting the optical pickup are provided. The optical pickup may include a light emitting system having a plurality of light sources corresponding to a plurality of mediums a light receiving system including a photodetector for converting light reflected from a medium into an electrical signal. The photodetector may include first and second light receiving sensors corresponding to the plurality of mediums, each of the first and second light receiving sensors comprising a plurality of regions, each region comprising a plurality of sectors. The plurality of regions of the first and second light receiving sensors may include shared sectors that are shared by the first and second light receiving sensors and exclusive sectors that are exclusively used in the first light receiving sensor or the second light receiving sensor.