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. 10, 2008
Filed:
Aug. 17, 2004
Applicant:
Jak-heun Yang, Suwon-si, KR;
Inventor:
Jak-heun Yang, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical disk drive and a method thereof for controlling an optical disk drive spindle motor to adaptively stop the rotation according to the varying level of a detected tracking error signal. The optical disk drive directs the operation of the spindle motor by controlling driving voltage values to be supplied to the spindle motor depending on the level of a tracking error signal which varies according to the RPM of the optical disk.