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    • 8. 发明申请
    • LABELING A DISC WITH AN OPTICAL DISC DRIVE
    • 标记光盘与光盘驱动器
    • US20110188357A1
    • 2011-08-04
    • US13122605
    • 2008-10-06
    • Timothy WagnerHyrum M. Anderson
    • Timothy WagnerHyrum M. Anderson
    • G11B7/007
    • G11B7/0037G11B7/0908
    • A system and method for labeling with a laser an optical disc having a plurality of markable locations. Signals indicative of a focus of the laser to the disc are measured, while rotating the disc at a constant angular velocity. Focus positions for designated ones of the locations to be marked on the disk are determined from the measured signals. The designated locations are marked with the laser while rotating the disc at a constant linear velocity and positioning the laser at the corresponding focus position. For at least some radial positions of the laser, an angular velocity corresponding to the constant linear velocity is less than the constant angular velocity.
    • 一种用激光标记具有多个可标记位置的光盘的系统和方法。 在以恒定的角速度转动光盘的同时,测量表示激光对光盘的焦点的信号。 根据测量信号确定要在盘上标记的指定位置的对焦位置。 在以恒定的线速度旋转盘片的同时,用激光标记指定位置并将激光定位在相应的对焦位置。 对于激光器的至少一些径向位置,对应于恒定线速度的角速度小于恒定角速度。
    • 9. 发明申请
    • VIRTUAL SPOKE SIGNALS FOR CONTROLLING OPTICAL DISC
    • 用于控制光盘的虚拟信号
    • US20100260023A1
    • 2010-10-14
    • US12741654
    • 2007-11-24
    • Matthew J. JanssenTimothy Wagner
    • Matthew J. JanssenTimothy Wagner
    • G11B19/00
    • G11B19/28
    • An optical disc is rotated at no more than 600 revolutions per minute (RPM) using a spindle motor of an optical disc device (602). One or more input signals are received from one or more sensors disposed within the optical disc device (604). The sensors are responsive to rotation of the optical disc. Virtual spoke signals are generated based on the input signals received from the sensors (606). The optical disc is positionally controlled based on the virtual spoke signals generated, as the optical disc rotates at no more than 600 RPM (612). The virtual spoke signals correspond to actual, physical spokes that would otherwise have to be present on the optical disc to positionally control the optical disc as the optical disc rotates at no more than 600 RPM.
    • 使用光盘装置(602)的主轴电动机将光盘旋转不超过600转/分钟(RPM)。 从设置在光盘装置(604)内的一个或多个传感器接收一个或多个输入信号。 传感器响应于光盘的旋转。 基于从传感器(606)接收的输入信号生成虚拟辐条信号。 当光盘以不超过600RPM转动时,基于所产生的虚拟辐条信号来对光盘进行位置控制。 虚拟辐条信号对应于在光盘以不超过600RPM转动时否则必须存在于光盘上的实际物理轮辐,以便位置地控制光盘。