公开(公告)号：US20100124154A1

公开(公告)日：2010-05-20

申请号：US12510258

申请日：2009-07-27

Applicant: Chih-Ching Yu ,  Yu-Hsuan Lin

Inventor： Chih-Ching Yu ,  Yu-Hsuan Lin

IPC: G11B7/00

CPC classification number: G11B7/0948 ,  G11B20/10009 ,  G11B20/10342 ,  G11B20/10453 ,  G11B20/1816 ,  G11B2020/1826 ,  G11B2220/2541

Abstract: A signal processing device includes a processing circuit and a signal generating circuit. The processing circuit is implemented for determining a position of at least one defective area on an optical storage medium according to a defect signal, and accordingly recording defect position information of the at least one defective area. The signal generating circuit is coupled to the processing circuit, and implemented for generating an output signal according to at least the recorded defect position information of the at least one defective area.

Abstract translation: 信号处理装置包括处理电路和信号发生电路。 处理电路被实现为根据缺陷信号确定光存储介质上的至少一个缺陷区的位置，并据此记录至少一个缺陷区的缺陷位置信息。 信号发生电路被耦合到处理电路，并被实现为至少根据至少一个缺陷区的记录的缺陷位置信息产生输出信号。

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。

公开(公告)号：US07778132B2

公开(公告)日：2010-08-17

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: G11B7/00

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：US20100034069A1

公开(公告)日：2010-02-11

申请号：US12188219

申请日：2008-08-08

Applicant: Chih-Ching Yu ,  Yu-Chun Lin

Inventor： Chih-Ching Yu ,  Yu-Chun Lin

IPC: G11B7/00

CPC classification number: G11B7/0916 ,  G11B7/0956

Abstract: A method for controlling focus loop of an optical storage device includes: moving a lens of an optical pick-up head in a first moving direction; performing a focusing operation when a first S-curve sequence appears in a focus error signal; and when a light beam generated from the optical pick-up head is not focused on an optical disc, performing the focusing operation when a second S-curve sequence appears in the focus error signal; wherein the first S-curve sequence and the second S-curve sequence appear in the focus error signal during one revolution of the optical disc.

Abstract translation: 一种用于控制光存储装置的聚焦环的方法包括：在第一移动方向移动光学拾取头的透镜; 当第一S曲线序列出现在聚焦误差信号中时进行聚焦操作; 并且当从光学拾取头产生的光束不聚焦在光盘上时，当在聚焦误差信号中出现第二S曲线序列时执行聚焦操作; 其中所述第一S曲线序列和所述第二S曲线序列在所述光盘的一圈内出现在所述聚焦误差信号中。

公开(公告)号：US20090175142A1

公开(公告)日：2009-07-09

申请号：US11969930

申请日：2008-01-07

Applicant: Ping-Tsai Tsai ,  Pin-Chou Liu ,  Sung-Yang Wu ,  Chih-Ching Yu ,  Ya-Fang Nien ,  Hsin-Chuan Lai

Inventor： Ping-Tsai Tsai ,  Pin-Chou Liu ,  Sung-Yang Wu ,  Chih-Ching Yu ,  Ya-Fang Nien ,  Hsin-Chuan Lai

IPC: G11B5/09

CPC classification number: G11B27/36 ,  G11B20/1217 ,  G11B2020/1285 ,  G11B2220/216 ,  G11B2220/2537

Abstract: A method of recording data on a storage medium is provided. A first recording indicator is written on the storage medium to indicate a first state of a data recording thereon. A second recording indicator is written on the storage medium to indicate a second state of the data recording thereon. A recording status of the data recording is determined accordingly in accordance with the first and second indicators.

Abstract translation: 提供了一种在存储介质上记录数据的方法。 第一记录指示符被写在存储介质上以指示其上的数据记录的第一状态。 第二记录指示符被写在存储介质上以指示其上的数据记录的第二状态。 根据第一和第二指示器相应地确定数据记录的记录状态。