公开(公告)号：US20110090779A1

公开(公告)日：2011-04-21

申请号：US12703874

申请日：2010-02-11

Applicant: Chih-Ching Yu ,  Yu-Hsuan Lin ,  Pi-Hai Liu

Inventor： Chih-Ching Yu ,  Yu-Hsuan Lin ,  Pi-Hai Liu

IPC: G11B20/10

CPC classification number: H03M13/41 ,  G11B20/10009 ,  G11B20/10027 ,  G11B20/10046 ,  G11B20/10296 ,  G11B2220/2537 ,  H03M13/3707 ,  H03M13/6343

Abstract: The invention discloses an apparatus for generating a Viterbi-processed data using an input signal obtained from an optical disk, including a Viterbi module and a binary signal enhancing module. The Viterbi module is configured to process the input signal according to a binary signal. The binary signal enhancing module is configured to boost the input signal and generate the binary signal accordingly.

Abstract translation: 本发明公开了一种使用从包括维特比模块和二进制信号增强模块的光盘获得的输入信号产生维特比处理数据的装置。 维特比模块被配置为根据二进制信号处理输入信号。 二进制信号增强模块被配置为升高输入信号并相应地生成二进制信号。

公开(公告)号：US20100226227A1

公开(公告)日：2010-09-09

申请号：US12400782

申请日：2009-03-09

Applicant: Chih-Ching Yu ,  Ying-Feng Huang ,  Ya-Fang Nien

Inventor： Chih-Ching Yu ,  Ying-Feng Huang ,  Ya-Fang Nien

IPC: G11B20/18

CPC classification number: G11B7/00375 ,  G11B20/10009 ,  G11B20/10055 ,  G11B20/10296 ,  G11B20/10425 ,  G11B20/18

Abstract: A method of processing a readback signal generated from reading an optical storage medium is provided. The method includes: performing a defect detection according to the readback signal to generate a defect detection result indicating defective areas on the optical storage medium; and performing a parameter calibration upon at least a parameter associated with processing of the readback signal according to the defect detection result.

Abstract translation: 提供了一种处理从读取光学存储介质产生的回读信号的方法。 该方法包括：根据回读信号执行缺陷检测，以产生指示光存储介质上的缺陷区域的缺陷检测结果; 以及至少根据所述缺陷检测结果与所述回读信号的处理相关联的参数执行参数校准。

公开(公告)号：US20070183290A1

公开(公告)日：2007-08-09

申请号：US11307365

申请日：2006-02-03

Applicant: Chih-Ching Yu ,  Yu-Chun Lin ,  Hsin-Hui Wu

Inventor： Chih-Ching Yu ,  Yu-Chun Lin ,  Hsin-Hui Wu

IPC: G11B20/10

CPC classification number: H03M13/27 ,  G11B20/10009

Abstract: A method for tuning a plurality of write strategy parameters of an optical storage device includes detecting a plurality of patterns. Each pattern corresponds to a pit or a land on a phase-changed type optical storage medium accessed by the optical storage device. The method further includes performing calculations corresponding to a plurality of data types and generating a plurality of data-to-clock edge deviations respectively corresponding to the data types. Each pattern belongs to a data type. The data-to-clock edge deviations are utilized for tuning the write strategy parameters corresponding to the data types respectively.

Abstract translation: 调整光学存储设备的多个写入策略参数的方法包括检测多个模式。 每个图案对应于由光存储装置访问的相变型光存储介质上的凹坑或焊盘。 该方法还包括执行对应于多个数据类型的计算，并产生分别对应于数据类型的多个数据到时钟边缘偏移。 每个模式属于数据类型。 数据到时钟边缘偏差用于分别调整与数据类型对应的写入策略参数。

公开(公告)号：US20070047414A1

公开(公告)日：2007-03-01

申请号：US11424552

申请日：2006-06-16

Applicant: Chih-Hsiung Chu ,  Chih-Ching Yu

Inventor： Chih-Hsiung Chu ,  Chih-Ching Yu

IPC: G11B7/0045

CPC classification number: G11B7/00456

Abstract: A method for optimizing write parameters using two-stage adjustment is provided. A first kind of write strategy parameters optimization procedure for adjusting at least one static write strategy parameter of a write strategy is performed. A second kind of write strategy parameters optimization procedure for adjusting at least one dynamic write strategy parameter of the write strategy is performed after performing the first kind of write strategy parameters optimization procedure. The static write strategy parameter corresponds to a signal length of a pit on an optical disk and the dynamic write strategy parameter is utilized to overcome heat interference when forming the pit.

Abstract translation: 提供了一种使用两级调整优化写入参数的方法。 执行用于调整写入策略的至少一个静态写入策略参数的第一种写入策略参数优化过程。 在执行第一种写策略参数优化过程之后，执行用于调整写策略的至少一个动态写策略参数的第二种写策略参数优化过程。 静态写入策略参数对应于光盘上的凹坑的信号长度，并且动态写入策略参数用于克服当形成凹坑时的热干扰。

公开(公告)号：US20070047412A1

公开(公告)日：2007-03-01

申请号：US11420765

申请日：2006-05-28

Applicant: Yuan-Chin Liu ,  Chih-Ching Yu ,  Chih-Hsiung Chu

Inventor： Yuan-Chin Liu ,  Chih-Ching Yu ,  Chih-Hsiung Chu

IPC: G11B27/36

CPC classification number: G11B20/10009 ,  G11B20/10222 ,  G11B20/10481

Abstract: The present invention provides a jitter measuring device. The device includes an edge position measuring unit and a jitter calculation unit. The edge position measuring unit receives a serial digital signal and a reference clock and measures edge position for each transition of the serial digital signal according to the reference clock. The jitter calculation unit, which is coupled to the edge detection unit, calculates a first average value of a plurality of edge position values and then determines the jitter of the serial digital signal by calculating an average value of the differences between the first average value and the edge position values.

Abstract translation: 本发明提供一种抖动测量装置。 该装置包括边缘位置测量单元和抖动计算单元。 边沿位置测量单元接收串行数字信号和参考时钟，并根据参考时钟测量串行数字信号的每个转换的边沿位置。 耦合到边缘检测单元的抖动计算单元计算多个边缘位置值的第一平均值，然后通过计算第一平均值和第二平均值之间的差的平均值来确定串行数字信号的抖动 边缘位置值。

公开(公告)号：US20070047408A1

公开(公告)日：2007-03-01

申请号：US11344810

申请日：2006-02-01

Applicant: Chih-Ching Yu ,  Hung-Hsiang Chang ,  Ping-Tsai Tsai

Inventor： Chih-Ching Yu ,  Hung-Hsiang Chang ,  Ping-Tsai Tsai

IPC: G11B7/12

CPC classification number: G11B7/1263 ,  G11B7/1267

Abstract: The invention relates to recording on a medium, and in particular, to laser control during recording data on an optical medium. A laser control method for dynamically adjusting laser power during recording data onto an optical disc comprises: recording normal data onto the optical disc according to an initial laser power; stopping recording when a trigger is generated; reading back the recorded normal data and generating a first recording quality index; recording a test pattern at a test pattern starting point according to a selected laser power; reading back the test pattern and generating a second recording quality index; and determining an adaptive laser power to continually record the normal data according to the first recording quality index and the second recording quality index.

Abstract translation: 本发明涉及在介质上记录特别是在光学介质上记录数据期间的激光控制。 一种用于在将数据记录到光盘上时动态地调整激光功率的激光控制方法包括：根据初始激光功率将普通数据记录在光盘上; 产生触发时停止录音; 回读记录的正常数据并产生第一记录质量指标; 根据选择的激光功率在测试图案起始点记录测试图案; 读取测试图案并产生第二个记录质量指标; 以及根据所述第一记录质量指数和所述第二记录质量指数，确定自适应激光功率以连续记录所述正常数据。

公开(公告)号：US08560898B2

公开(公告)日：2013-10-15

申请号：US12621509

申请日：2009-11-19

Applicant: Pi-Hai Liu ,  Chih-Ching Yu ,  Li-Lien Lin ,  Shih-Hsin Chen ,  Shih-Ta Hung

Inventor： Pi-Hai Liu ,  Chih-Ching Yu ,  Li-Lien Lin ,  Shih-Hsin Chen ,  Shih-Ta Hung

IPC: H03M13/05

CPC classification number: G11B20/18 ,  G11B20/1833 ,  G11B2020/1272 ,  G11B2020/1823 ,  G11B2020/1846 ,  G11B2220/2541 ,  H03M13/2954

Abstract: An error correction method for correcting an first ECC code from a storage unit, comprising: (a) marking at least a first part of the first ECC code according to a correction result generated by correcting error of the first ECC code, to generate a first error correction reference information; and (b) marking at least a second part of the first ECC code according to the first error correction reference information to generate a second error correction reference information.

Abstract translation: 一种用于从存储单元校正第一ECC代码的纠错方法，包括：（a）根据通过校正第一ECC代码的错误产生的校正结果来标记第一ECC代码的至少第一部分，以产生第一ECC代码 纠错参考信息; 和（b）根据第一纠错参考信息标记第一ECC码的至少第二部分，以产生第二纠错参考信息。

公开(公告)号：US08276053B2

公开(公告)日：2012-09-25

申请号：US12614431

申请日：2009-11-08

Applicant: Chih-Ching Yu

Inventor： Chih-Ching Yu

IPC: H03M13/03

CPC classification number: H03M13/35 ,  H03M13/3707 ,  H03M13/41 ,  H03M13/4107

Abstract: A decoding circuit includes: a level adjuster with pattern dependency arranged to generate a plurality of Viterbi target levels with pattern dependency; and a Viterbi decoder arranged to perform Viterbi decoding according to the Viterbi target levels with pattern dependency. A decoding circuit includes a Viterbi decoder arranged to perform Viterbi decoding, and the Viterbi decoder includes a branch metric generator arranged to generate a plurality of branch metrics with pattern dependency according to an input of the Viterbi decoder and a plurality of Viterbi target levels with pattern dependency. In particular, the branch metric generator includes: a plurality of branch metric generation paths arranged to generate a plurality of intermediate values according to the input of the Viterbi decoder and the Viterbi target levels with pattern dependency, respectively; and a selection unit for selecting a portion of the intermediate values as the branch metrics with pattern dependency.

Abstract translation: 解码电路包括：具有图案依赖性的电平调节器，被布置为产生具有图案依赖性的多个维特比目标电平; 以及维特比解码器，被配置为根据具有模式依赖性的维特比目标级别执行维特比解码。 解码电路包括被配置为执行维特比解码的维特比解码器，维特比解码器包括分支度量发生器，其被配置为根据维特比解码器的输入和具有模式的多个维特比目标电平生成具有模式依赖性的多个分支度量 依赖。 特别地，分支量度生成器包括：多个分支量度生成路径，其被配置为分别根据维特比解码器的输入和维特比目标水平分别产生多个中间值，具有模式依赖性; 以及选择单元，用于选择中间值的一部分作为具有模式依赖性的分支度量。

公开(公告)号：US20100284256A1

公开(公告)日：2010-11-11

申请号：US12436146

申请日：2009-05-06

Applicant: Ming-Tsang Wu ,  Hao-Hui Yin ,  Chih-Ching Yu ,  Tzu-Ching Yang ,  Ya-Fang Nien ,  Ying-Feng Huang ,  Pi-Hai Liu

Inventor： Ming-Tsang Wu ,  Hao-Hui Yin ,  Chih-Ching Yu ,  Tzu-Ching Yang ,  Ya-Fang Nien ,  Ying-Feng Huang ,  Pi-Hai Liu

IPC: G11B20/00

CPC classification number: G11B20/10009 ,  G11B20/10046 ,  G11B20/10212 ,  G11B20/10425 ,  G11B20/10481 ,  G11B2220/2537 ,  G11B2220/2541 ,  G11B2220/2562

Abstract: A method for improving readability of an optical disc includes: changing a first control parameter of an optical storage apparatus that accesses the optical disc and obtaining a plurality of associated values of an index corresponding to the readability of the optical disc for respective changed/unchanged values of the first control parameter; setting the first control parameter to be an optimal value out of the changed/unchanged values of the first control parameter according to the index; changing a second control parameter with the first parameter set to be the optimal value to obtaining a plurality of associated values of the index for respective changed/unchanged values of the second control parameter; and setting the second control parameter to be an optimal value according to the index. The control parameters having their individual optimal values are utilized for further control during decoding. In addition, an associated optical storage apparatus is further provided.

Abstract translation: 一种用于提高光盘的可读性的方法包括：改变访问光盘的光存储装置的第一控制参数，并且获得与光盘的可读性相对应的指标的多个相关联的值用于各个改变/不变的值 的第一个控制参数; 根据索引，将第一控制参数设置为第一控制参数的改变/不变值的最佳值; 将所述第一参数设置为最佳值来改变第二控制参数，以获得所述第二控制参数的各个改变/不变值的所述索引的多个关联值; 并根据索引将第二控制参数设置为最佳值。 具有各自的最佳值的控制参数用于解码期间的进一步控制。 此外，还提供了一种相关联的光学存储装置。

公开(公告)号：US20100128581A1

公开(公告)日：2010-05-27

申请号：US12275370

申请日：2008-11-21

Applicant: Chih-Ching Yu ,  Ying-Feng Huang ,  Yu-Chun Lin

Inventor： Chih-Ching Yu ,  Ying-Feng Huang ,  Yu-Chun Lin

IPC: G11B7/00

CPC classification number: G11B7/13925 ,  G11B7/1378 ,  G11B2007/13727

Abstract: The invention provides an optical disk drive. In one embodiment, the optical disk drive comprises a feeding device, a power driver, and a controller. The feeding device comprises a spherical aberration (SA) lens and a stepping motor, wherein the SA lens corrects spherical aberration of a light beam emitted by a pickup head, and the stepping motor moves the SA lens according to a plurality of control signals. The power driver generates the control signals to drive the stepping motor to move the SA lens. The controller directs the power driver to drive the stepping motor to move the SA lens with only stable steps when the SA lens is required to move, so that the stepping motor is in a stable state without inducing step errors after the stepping motor rotates with the stable steps.

Abstract translation: 本发明提供一种光盘驱动器。 在一个实施例中，光盘驱动器包括馈送装置，功率驱动器和控制器。 馈送装置包括球面像差（SA）透镜和步进电机，其中SA透镜校正由拾取头发射的光束的球面像差，并且步进电机根据多个控制信号移动SA透镜。 电源驱动器产生控制信号以驱动步进电机移动SA镜头。 当SA镜头需要移动时，控制器引导电源驱动器驱动步进电机，以稳定的步进移动SA镜头，使步进电机处于稳定状态，而不会在步进电机旋转后引起步进错误 稳定的步骤。