公开(公告)号：US20080068940A1

公开(公告)日：2008-03-20

申请号：US11690864

申请日：2007-03-26

Applicant: Chang-Cheng Huang ,  Chung-Hui Lin

Inventor： Chang-Cheng Huang ,  Chung-Hui Lin

IPC: G11B7/00

CPC classification number: G11B7/0948 ,  G11B7/0901 ,  G11B7/0941

Abstract: An optical disc drive generates a control signal according to the delay of a TZC signal. The control signal can determine if an optical pickup of the optical disc drive crosses a track. When the optical pickup is reading a defective section of an optical disk, the optical disc drive cannot correct the movement of the optical pickup. Therefore, after the optical pickup passes through the defective section of the optical disc, the optical disc drive adjusts the gain of the tracking drive signal according to the control signal.

Abstract translation: 光盘驱动器根据TZC信号的延迟产生控制信号。 控制信号可以确定光盘驱动器的光学拾取器是否穿过轨道。 当光学拾取器正在读取光盘的缺陷部分时，光盘驱动器不能校正光学拾取器的移动。 因此，在光学拾取器通过光盘的缺陷部分之后，光盘驱动器根据控制信号来调节跟踪驱动信号的增益。