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. 05, 2007
Filed:
Feb. 17, 2004
Young-bin Lee, Seoul, KR;
Duk-young Chong, Seoul, KR;
Young-bin Lee, Seoul, KR;
Duk-young Chong, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
An optical pickup actuator includes a; a bobbin in which a through hole is formed, an objective lens attached to the bobbin; a holder provided on the base to support the bobbin; a lens holder inserted in the through hole of the bobbin to support the objective lens, wherein the lens holder is made of a material having a heat conduction coefficient lower than that of the bobbin, a plurality of suspensions, each having one end coupled to the bobbin and the other end attached to a holder provided on a base, to support the bobbin capable of suspending, and a driving unit having a coil installed at the bobbin and a magnet installed on the base to drive the bobbin with an electromagnetic force generated by the interaction of current flowing in the coil and a magnetic field formed by the magnet.