Disk driving device and method for optical recording and...

Details Disk driving device and method for optical recording and... Disk driving device and method for optical recording and...

G - Physics

11

B

G11B 7/24 (2006.01) G11B 7/09 (2006.01) G11B 7/00 (2006.01)

Patent

CA 2182262

A disk driving device for use in recording and/or reproducing data on an optical recording medium having a plurality of recording layers. When a focus jump operation is executed between the recording layers, an actuator displaces an objective lens in response to a selectively generated acceleration or deceleration pulse and a focus error signal. Instability of the focus jump operation derived from noise superimposed on the focus error signal or from sensitivity variations in the actuator is eliminated.

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