公开(公告)号：US08059509B2

公开(公告)日：2011-11-15

申请号：US12574905

申请日：2009-10-07

申请人： Johannes Leopoldus Bakx ,  Jean Phillippe van Damme ,  Petrus Antonius Verbeek

发明人： Johannes Leopoldus Bakx ,  Jean Phillippe van Damme ,  Petrus Antonius Verbeek

IPC分类号： G11B7/00

CPC分类号： G11B20/10009 ,  G11B19/12 ,  G11B20/10046 ,  G11B27/24 ,  G11B2220/2537

摘要： An optical disk drive for determining a disk characteristic of an optical disk comprising an information layer comprising a substantially circular track is described. The optical disk drive has an optical pickup unit arranged to generate a beam, direct the beam to the optical disk for forming an incident beam, sense a reflected beam produced by the optical disk with a sensor upon receiving the incident beam with the sensor, produce a sensor output signal from sensing the reflected beam; a disk receiving device arranged to receive the optical disk; a motor arranged to provide a transition of the disk receiving device from a first mode to a second mode in at least one transition phase; and a controller arranged to receive the sensor output signal during at least one part of the at least one transition phase and perform at least part of determining the disk characteristic from at least the sensor output signal received during the at least one part of the at least one transition phase. The transition phase can be associated with moving the optical disk into the optical disk drive with a disk load motor. The transition phase can be associated with changing a rotational speed of the optical disk with a spindle motor. Determining the disk characteristic can include a disk recognition preparation.

摘要翻译： 描述了一种用于确定包括基本圆形轨道的信息层的光盘的盘特性的光盘驱动器。 光盘驱动器具有光学拾取单元，其被配置为产生光束，将光束引导到光盘以形成入射光束，在用传感器接收入射光束时用传感器感测由光盘产生的反射光束，产生 来自感测反射光束的传感器输出信号; 盘接收装置，布置成接收光盘; 布置成在至少一个过渡阶段中提供盘接收装置从第一模式转换到第二模式的电动机; 以及控制器，布置成在所述至少一个过渡阶段的至少一个部分期间接收所述传感器输出信号，并且至少从所述至少一个部分至少接收到的所述传感器输出信号执行至少一部分来确定所述磁盘特性 一个过渡阶段。 过渡阶段可以与光盘装载电机将光盘移动到光盘驱动器中相关联。 过渡阶段可以与用主轴电动机改变光盘的转速相关联。 确定磁盘特性可以包括磁盘识别准备。