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:
Jun. 02, 2009
Filed:
Jun. 20, 2006
Seok Jung Kim, Suwon-si, KR;
Yong Han Yoon, Suwon-si, KR;
Soo Han Park, Yongin-Si, KR;
Jung Gug Pae, Yeongtong-Gu, KR;
Seok Jung Kim, Suwon-si, KR;
Yong Han Yoon, Suwon-si, KR;
Soo Han Park, Yongin-Si, KR;
Jung Gug Pae, Yeongtong-Gu, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An optical pickup device is provided with a plurality of object lens corresponding to various kinds of optical discs having different recording densities, in which the structure of the optical pickup device is simplified and the size of the optical pickup device is minimized. The optical pickup device comprises a bobbin including an upper surface, at which first and second object lenses are mounted, an opened lower surface, and a first and second side surfaces supported by a supporting unit, the first and second side surfaces being opposite to each other, a first focus coil and a first tracking coil mounted at a third side surface of the bobbin, a second focus coil and a second tracking coil mounted at a fourth side surface of the bobbin, which is opposite to the third side surface, and magnets disposed opposite to the first and second focus coils and the first and second tracking coils.