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:
Sep. 30, 2008
Filed:
Nov. 06, 2006
Sang-hun Lee, Seoul, KR;
Jae-deog Cho, Suwon-si, KR;
Sang-hun Lee, Seoul, KR;
Jae-deog Cho, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A retracting method of compensating for a time for parking and unloading with an additional floating force obtained by additionally operating a spindle motor for a predetermined period after a retract operation is started, a hard disk drive (HDD) adopting the method, and a computer readable recording medium having a program for performing the method. The retracting method of the hard disk drive to retract a head to a retract area in response to detection of a retract condition includes driving the spindle motor at least for a predetermined period at the beginning of a retract operation to rotate a disk. The spindle motor is additionally driven for the predetermined period after the retract operation is started such that an additional floating force can be obtained, and thus, a time for parking and unloading is compensated for, and a stable retract operation is performed.