Patent ID: 6140783
Filing Date: 2000-10-31
Classification: G11B

Abstract:
In a method of controlling a disk driving motor having a rotor to which disks are loaded, an improvement comprising the step of:when the recording/reproducing is performed with respect to a disk, rotating said rotor in a reverse direction by one of a predetermined rotational angle and for a predetermined time during the period from the time said rotor stops rotating in a normal direction to the time said rotor is again driven in said normal direction, said disk having a center hub that includes a center hole and an eccentric hole formed at a position shifted from said center hole; said rotor having a rotary shaft fitted to said center hole and a drive pin loosely fitted to said eccentric hole; and each of said predetermined rotational angle and said predetermined time is such that the drive pin stops at a position substantially contacting a back periphery of the eccentric hole and moves only inside the eccentric hole.