SERVO SIGNAL WRITING DEVICE, SERVO SIGNAL WRITING METHOD, SERVO SIGNAL REPRODUCING DEVICE, SERVO SIGNAL REPRODUCING METHOD AND MAGNETIC RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To provide a servo signal writing device wherein highly accurate detection is not needed for decoding sub data. SOLUTION: The servo signal writing device 1 writing a servo signal for performing tracking control of a recording and reproducing head in a magnetic tape (magnetic recording medium) 15 has a conversion part 5 performing conversion for associating respective binary data of the sub data d1 with two directions of forward and backward currents of data pulse d3 by which the servo signal can be written. COPYRIGHT: (C)2007,JPO&INPIT