Patent ID: 6873481
Filing Date: 2005-03-29
Classification: G11B

Abstract:
1. A disk apparatus comprising: a guide member extending in a disk transfer direction so as to guide a disk to be transferred; a transfer mechanism for applying a transfer force to the disk; a rotating section to be fitted in a center hole of the disk transferred by said transfer mechanism so as to apply a rotating force to the disk; a clamp mechanism for fitting said rotating section in the center hole of the disk; and a control section for controlling the operation of said disk apparatus, wherein said guide member includes a pair of detectors arranged in the disk transfer direction and spaced apart a predetermined distance, both said detectors being brought into a detection state by a peripheral edge of the disk when the disk reaches such a position as to be clamped by said rotating section, and wherein said control section operates said clamp mechanism so that said rotating section is urged toward the disk when one of said detectors is brought into a detection state during the transfer of the disk, determines that a clamping operation of the disk is completed when both said detectors are brought into a detection state and the detection state continues for a first predetermined time, and stops said transfer mechanism in response to the determination.