Optical disk recording/reproducing apparatus and its disk...

Details Optical disk recording/reproducing apparatus and its disk... Optical disk recording/reproducing apparatus and its disk...

G - Physics

11

B

352/32.2

G11B 19/28 (2006.01) G11B 7/00 (2006.01) G11B 7/0037 (2006.01) G11B 19/12 (2006.01) G11B 19/20 (2006.01)

Patent

CA 2009023

A disk rotary driving apparatus in an optical disk reproducing apparatus capable of reproducing disks having different sizes includes a spindle motor for rotationally driving a disk, a servo unit for controlling rotation of the spindle motor, and a control unit for detecting an activation response state of the spindle motor upon starting, and switching a gain of the servo unit on the basis of the detection result.

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