公开(公告)号：US20050190667A1

公开(公告)日：2005-09-01

申请号：US10829968

申请日：2004-04-23

Applicant: Feng-Fu Lin ,  Yi-Jen Chung

Inventor： Feng-Fu Lin ,  Yi-Jen Chung

IPC: G11B7/00 ,  G11B7/085

CPC classification number: G11B7/08529

Abstract: A optical disk drive long distance seek control device and method thereof, capable of feeding back the optical head control device through the step motor control device during the long distance seek; wherein, the step motor control device comprises a velocity profile generator capable of producing a quadratic profile to stabilize the step motor when finishing the seek; and more particular, the optical head control device uses a center error signal and a velocity error signal alternatively; moreover, the velocity error signal can be adjusted according to the output signals from the optical head control device and the step motor control device through a weighting mechanism.

Abstract translation: 一种光盘驱动器长距离寻道控制装置及其方法，能够在长距离寻道期间通过步进电机控制装置反馈光头控制装置; 其中，所述步进马达控制装置包括速度分布发生器，其能够产生二次轮廓以在完成所述寻道时稳定所述步进马达; 更具体地说，光头控制装置交替使用中心误差信号和速度误差信号; 此外，速度误差信号可以根据来自光头控制装置和步进电机控制装置的输出信号通过加权机构进行调整。

公开(公告)号：US07218579B2

公开(公告)日：2007-05-15

申请号：US10829968

申请日：2004-04-23

Applicant: Feng-Fu Lin ,  Yi-Jen Chung

Inventor： Feng-Fu Lin ,  Yi-Jen Chung

IPC: G11B7/00

CPC classification number: G11B7/08529

Abstract: A optical disk drive long distance seek control device and method thereof, capable of feeding back the optical head control device through the step motor control device during the long distance seek; wherein, the step motor control device comprises a velocity profile generator capable of producing a quadratic profile to stabilize the step motor when finishing the seek; and more particular, the optical head control device uses a center error signal and a velocity error signal alternatively; moreover, the velocity error signal can be adjusted according to the output signals from the optical head control device and the step motor control device through a weighting mechanism.

Abstract translation: 一种光盘驱动器长距离寻道控制装置及其方法，能够在长距离寻道期间通过步进电机控制装置反馈光头控制装置; 其中，所述步进马达控制装置包括速度分布发生器，其能够产生二次轮廓以在完成所述寻道时稳定所述步进马达; 更具体地说，光头控制装置交替使用中心误差信号和速度误差信号; 此外，速度误差信号可以根据来自光头控制装置和步进电机控制装置的输出信号通过加权机构进行调整。

公开(公告)号：US20110246138A1

公开(公告)日：2011-10-06

申请号：US12912732

申请日：2010-10-26

Applicant: Yi-Jen Chung ,  Chi-Pei Huang ,  Ching-Ning Chiu ,  Jin-Bin Yang

Inventor： Yi-Jen Chung ,  Chi-Pei Huang ,  Ching-Ning Chiu ,  Jin-Bin Yang

IPC: G06F11/30 ,  G06F15/00

CPC classification number: G06F13/4072

Abstract: A hardware status detecting circuit for detecting a hardware status of a target apparatus includes a plurality of hardware status detectors operating in response to the hardware status of the target apparatus, and a signal processing unit coupled to the hardware status detectors for generating a hardware status detecting signal having information of operational statuses of the hardware status detectors embedded therein.

Abstract translation: 用于检测目标设备的硬件状态的硬件状态检测电路包括响应于目标设备的硬件状态操作的多个硬件状态检测器，以及耦合到硬件状态检测器的信号处理单元，用于产生硬件状态检测 信号，其具有嵌入其中的硬件状态检测器的操作状态信息。

公开(公告)号：US20050052963A1

公开(公告)日：2005-03-10

申请号：US10605094

申请日：2003-09-08

Applicant: Li-Ting Chen ,  Yi-Jen Chung ,  Chi-Mou Chao

Inventor： Li-Ting Chen ,  Yi-Jen Chung ,  Chi-Mou Chao

IPC: G11B7/00 ,  G11B7/09

CPC classification number: G11B7/0941

Abstract: A compensator circuit comprises a phase-lead compensator for receiving an error signal generated by an optical storage device and generating a phase-lead error signal, a band-pass filter connected in parallel with the lead compensator for magnifying a rotating frequency error signal and generating a filtered signal, and an adder for synthesizing the phase-lead error signal and the filtered signal so as to reduce a steady-state error of the error signal. The compensator circuit does not comprise any phase-lag compensator.

Abstract translation: 补偿电路包括相位超前补偿器，用于接收由光学存储装置产生的误差信号并产生相位超前误差信号，与引线补偿器并联连接的带通滤波器，用于放大旋转频率误差信号并产生 滤波信号和用于合成相位超前误差信号和滤波信号的加法器，以便减小误差信号的稳态误差。 补偿电路不包括任何相位滞后补偿器。

公开(公告)号：US20090168616A1

公开(公告)日：2009-07-02

申请号：US11964047

申请日：2007-12-26

Applicant: Yi-Jen Chung ,  Cheng-Chi Huang ,  Chao-Ming Huang

Inventor： Yi-Jen Chung ,  Cheng-Chi Huang ,  Chao-Ming Huang

IPC: G11B7/00

CPC classification number: G11B7/0945 ,  G11B7/0948 ,  G11B7/13925 ,  G11B2007/0006 ,  G11B2007/0013

Abstract: A spherical aberration compensation method of an optical storage device is provided. The method includes: deriving a first spherical aberration compensation value corresponding to a first track position on a recording layer of an optical storage medium to serve as a first reference value; deriving a second spherical aberration compensation value corresponding to a second track position on the recording layer of the optical storage medium to serve as a second reference value; and estimating a third spherical aberration compensation value corresponding to a third track position on the recording layer of the optical storage medium according to the first and second reference values.

Abstract translation: 提供一种光学存储装置的球面像差补偿方法。 该方法包括：将对应于光存储介质的记录层上的第一轨道位置的第一球面像差补偿值导出为第一参考值; 得到对应于所述光存储介质的记录层上的第二轨迹位置的第二球面像差补偿值，以作为第二基准值; 以及根据第一和第二参考值估计与光存储介质的记录层上的第三轨迹位置对应的第三球面像差补偿值。