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：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：US20110167323A1

公开(公告)日：2011-07-07

申请号：US12683915

申请日：2010-01-07

Applicant: Chih-Ching Yu ,  Pi-Hai Liu ,  Yu-Hsuan Lin ,  Chang-Long Wu ,  Hong-Ching Chen

Inventor： Chih-Ching Yu ,  Pi-Hai Liu ,  Yu-Hsuan Lin ,  Chang-Long Wu ,  Hong-Ching Chen

IPC: H03M13/41 ,  G06F11/10

CPC classification number: H03M13/4138 ,  H03M13/3707 ,  H03M13/373 ,  H03M13/3746

Abstract: The invention discloses an error-correcting apparatus for decoding an input signal by using a Viterbi algorithm to generate a Viterbi-decoded signal, including an erasure unit and a decoder. The erasure unit is configured to generate at least one logic signal according to at least one path metric difference of path metrics in the Viterbi algorithm, and generate erasure information, wherein the erasure information indicates data reliability of at least one location of the Viterbi-decoded signal. The decoder is configured to decode the Viterbi-decoded signal according to the erasure information.

Abstract translation: 本发明公开了一种用于通过使用维特比算法对输入信号进行解码以产生包括擦除单元和解码器的维特比解码信号的纠错装置。 擦除单元被配置为根据维特比算法中的路径度量的至少一个路径度量差产生至少一个逻辑信号，并且生成擦除信息，其中擦除信息指示维特比解码器的至少一个位置的数据可靠性 信号。 解码器被配置为根据擦除信息对维特比解码信号进行解码。

公开(公告)号：US08248903B2

公开(公告)日：2012-08-21

申请号：US12764254

申请日：2010-04-21

Applicant: Chih-Ching Yu ,  Yu-Hsuan Lin

Inventor： Chih-Ching Yu ,  Yu-Hsuan Lin

IPC: G11B20/10

CPC classification number: H03M13/3738 ,  G11B20/10009 ,  G11B20/10018 ,  G11B20/10351 ,  G11B20/1037 ,  G11B2220/2537 ,  H03M13/41 ,  H03M13/6331 ,  H03M13/6343

Abstract: An apparatus for improving decoding accuracy of an equalized signal having a direct current (DC) level obtained from an optical disk is provided. A Viterbi decoder is configured to decode the equalized signal and output a Viterbi-decoded signal. A DC controller is configured to adjust the DC level of the equalized signal such that the equalized signal with the adjusted DC level is decoded.

Abstract translation: 提供一种用于提高从光盘获得的具有直流（DC）电平的均衡信号的解码精度的装置。 维特比解码器被配置为对均衡信号进行解码并输出维特比解码信号。 DC控制器被配置为调整均衡信号的DC电平，使得具有经调整的DC电平的均衡信号被解码。

公开(公告)号：US20110090773A1

公开(公告)日：2011-04-21

申请号：US12854145

申请日：2010-08-10

Applicant: Chih-Ching Yu ,  Pi-Hai Liu ,  Yu-Hsuan Lin ,  Ying-Feng Huang ,  Yuh Cheng ,  Jin-Bin Yang

Inventor： Chih-Ching Yu ,  Pi-Hai Liu ,  Yu-Hsuan Lin ,  Ying-Feng Huang ,  Yuh Cheng ,  Jin-Bin Yang

IPC: G11B20/10

CPC classification number: G11B20/10009 ,  G11B20/10046 ,  G11B20/10055 ,  G11B20/10296 ,  G11B20/1037 ,  G11B20/10425 ,  G11B2220/2537

Abstract: An apparatus for generating Viterbi-processed data using an input signal obtained from reading an optical disc includes a Viterbi decoding unit and a control circuit. The Viterbi decoding unit is arranged to process the input signal and generate the Viterbi-processed data. In addition, the control circuit is arranged to control at least one component of the apparatus based upon at least one signal within the apparatus. Additionally, the component includes a phase locked loop (PLL) processing unit, an equalizer, and/or the Viterbi decoding unit. An associated apparatus including an equalizer and a Viterbi module is further provided. An associated apparatus including a Viterbi decoding unit and a control circuit is also provided. An associated apparatus including an equalizer, at least one offset/gain controller, and a Viterbi module is further provided. An associated apparatus including an equalizer, a Viterbi module, and a peak/bottom/central (PK/BM/DC) detector is also provided.

Abstract translation: 使用从读取光盘获得的输入信号来产生维特比处理数据的装置包括维特比解码单元和控制电路。 维特比解码单元被布置成处理输入信号并生成维特比处理的数据。 此外，控制电路被布置成基于装置内的至少一个信号来控制装置的至少一个部件。 此外，该组件包括锁相环（PLL）处理单元，均衡器和/或维特比解码单元。 还提供了包括均衡器和维特比模块的相关设备。 还提供了包括维特比解码单元和控制电路的相关设备。 还提供了包括均衡器，至少一个偏移/增益控制器和维特比模块的相关设备。 还提供了包括均衡器，维特比模块和峰值/底部/中央（PK / BM / DC）检测器的相关设备。

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。