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。

公开(公告)号：US20060215524A1

公开(公告)日：2006-09-28

申请号：US11306115

申请日：2005-12-16

Applicant: Pi-Hai Liu ,  Yuh Cheng ,  Chih-Ching Yu ,  Chih-Hsiung Chu

Inventor： Pi-Hai Liu ,  Yuh Cheng ,  Chih-Ching Yu ,  Chih-Hsiung Chu

IPC: G11B7/0045

CPC classification number: G11B20/14 ,  G11B7/00456 ,  G11B7/1267 ,  G11B20/10 ,  G11B20/10194 ,  G11B20/10481 ,  G11B20/1426

Abstract: A system, for tuning a plurality of write strategy parameters of an optical storage device, includes: a run-length limited (RLL) meter for detecting a plurality of lengths, each length corresponding to a pit or a land on an optical storage medium accessed by the optical storage device; and a calculation module coupled to the RLL meter for performing calculations according to the lengths to generate a plurality of calculation results; wherein the write strategy parameters are tuned according to the calculation results.

Abstract translation: 一种用于调整光学存储设备的多个写入策略参数的系统，包括：用于检测多个长度的游程长度限制（RLL）计量器，每个长度对应于被访问的光学存储介质上的凹坑或岸台 由光存储装置; 以及耦合到所述RLL计量器的计算模块，用于根据所述长度执行计算以产生多个计算结果; 其中根据计算结果对写入策略参数进行调整。

公开(公告)号：US20050141403A1

公开(公告)日：2005-06-30

申请号：US10853156

申请日：2004-05-26

Applicant: Chih-Ching Yu ,  Nai-Heng Tseng

Inventor： Chih-Ching Yu ,  Nai-Heng Tseng

IPC: G11B5/09 ,  G11B7/005 ,  G11B7/007 ,  G11B7/24 ,  G11B27/19 ,  G11B27/24 ,  G11B27/32

CPC classification number: G11B27/24 ,  G11B7/0053 ,  G11B7/24082 ,  G11B27/329 ,  G11B2220/216 ,  G11B2220/218 ,  G11B2220/2545 ,  G11B2220/2562

Abstract: This specification discloses a recordable optical recording medium containing preinstalled information, the method of reading the preinstalled information, and the circuit thereof. The recordable optical recording medium containing preinstalled information is a substrate with a spiral pregroove. Microscopically, the pregroove has regular wiggles. They are featured in containing a first waveform, a second waveform, and a third waveform with the same fundamental wave cycle. The duty cycle of the first waveform is 1. The duty cycles of the second and third waveforms are distinct. The combinations of these duty cycles are used to record the preinstalled information. Moreover, the invention discloses a method and circuit of reading the preinstalled information. After obtaining the wobble signals, the method further takes the steps of phase corrections, integrations, and resetting to more accurately obtain the preinstalled information.

Abstract translation: 本说明书公开了一种包含预先安装的信息的可记录光学记录介质，读取预先安装的信息的方法及其电路。 包含预先安装的信息的可记录光学记录介质是具有螺旋预槽的基板。 显微镜下，pregroove有规律的摆动。 它们的特征在于包含第一波形，第二波形和具有相同基波周期的第三波形。 第一波形的占空比为1.第二波形和第三波形的占空比是不同的。 这些占空比的组合用于记录预先安装的信息。 此外，本发明公开了一种读取预先安装的信息的方法和电路。 获得摆动信号后，该方法进一步采取相位校正，积分和复位的步骤，以更准确地获得预先安装的信息。

公开(公告)号：US09030922B2

公开(公告)日：2015-05-12

申请号：US12480944

申请日：2009-06-09

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

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

IPC: G11B7/00 ,  G11B7/1263 ,  G11B7/1267

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.

公开(公告)号：US08406101B2

公开(公告)日：2013-03-26

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。

公开(公告)号：US20110110468A1

公开(公告)日：2011-05-12

申请号：US12614431

申请日：2009-11-08

Applicant: Chih-Ching Yu

Inventor： Chih-Ching Yu

IPC: H04L27/06

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：US20100293431A1

公开(公告)日：2010-11-18

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 ,  H03M13/29 ,  G06F11/10

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。