DISK STORAGE DEVICE AND SYNC MARK DETECTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a disk storage device capable of improving the prediction accuracy of the position of a sync mark to raise the detection accuracy of the sync mark as a result. SOLUTION: The disk storage device is a disk drive having a read channel which reproduces user data from a data field in synchronization with the sync mark detected from binary data obtained from a read signal. The read channel includes a SYNC detection part 20 having a function of predicting the position of the sync mark by making use of the read signal. The SYNC detection part 20 predicts and detects the position of the sync mark in conformity with a completion signal of a preamble. COPYRIGHT: (C)2005,JPO&NCIPI