公开(公告)号：US08050151B2

公开(公告)日：2011-11-01

申请号：US11106609

申请日：2005-04-15

申请人： Pi-Hai Liu ,  Chun-Nan Chen

发明人： Pi-Hai Liu ,  Chun-Nan Chen

IPC分类号： G11B17/22

CPC分类号： G11B5/59605 ,  G11B5/5526 ,  G11B2220/2541

摘要： An address-accessing device includes first and second information generators for producing first and second information according to the received address signals; a phase offset detector for producing a phase offset according to the first and second information; a reference signal generator for producing a reference signal according to the phase offset, the first information and the second information; and a decoder used to determine the structure type of an address-in-pregroove unit (ADIP) according to the reference value. This address-accessing device is capable of adjusting the decision level and the phase offset automatically to lower the error rate occurring in the address access procedure.

摘要翻译： 地址访问装置包括根据接收到的地址信号产生第一和第二信息的第一和第二信息发生器; 相位偏移检测器，用于根据第一和第二信息产生相位偏移; 参考信号发生器，用于根据相位偏移产生参考信号，第一信息和第二信息; 以及用于根据参考值确定预输入地址单元（ADIP）的结构类型的解码器。 该地址访问装置能够自动调整判定级别和相位偏移，以降低在地址访问过程中发生的错误率。

公开(公告)号：US20110090779A1

公开(公告)日：2011-04-21

申请号：US12703874

申请日：2010-02-11

申请人： Chih-Ching Yu ,  Yu-Hsuan Lin ,  Pi-Hai Liu

发明人： Chih-Ching Yu ,  Yu-Hsuan Lin ,  Pi-Hai Liu

IPC分类号： G11B20/10

CPC分类号： H03M13/41 ,  G11B20/10009 ,  G11B20/10027 ,  G11B20/10046 ,  G11B20/10296 ,  G11B2220/2537 ,  H03M13/3707 ,  H03M13/6343

摘要： 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.

摘要翻译： 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：US20090296545A1

公开(公告)日：2009-12-03

申请号：US12129666

申请日：2008-05-29

申请人： Yu-Hsuan Lin ,  Shu-Hung Chou ,  Pi-Hai Liu

发明人： Yu-Hsuan Lin ,  Shu-Hung Chou ,  Pi-Hai Liu

IPC分类号： G11B20/00

CPC分类号： G11B20/1403 ,  G11B7/0053 ,  G11B20/10037 ,  G11B20/10222 ,  G11B20/10425 ,  G11B20/1217 ,  G11B2020/1239 ,  G11B2020/1268 ,  G11B2220/2541

摘要： An apparatus and method for demodulating an input signal modulated from a reference signal and a data signal are disclosed. The apparatus includes a determining unit, a first calculating unit, and a comparing unit. The determining unit is utilized for determining a plurality of first calculating timings of changing different calculating modes according to the input signal. The first calculating unit is coupled to the determining unit and utilized for generating a first calculating result of the input signal according to the first calculating timings and the calculating modes thereof. The comparing unit is coupled to the first calculating unit and utilized for generating a comparing result according to the first calculating result of the input signal and a threshold setting, and for outputting a demodulated data of the input signal according to the comparing result.

摘要翻译： 公开了一种用于解调从参考信号和数据信号调制的输入信号的装置和方法。 该装置包括确定单元，第一计算单元和比较单元。 确定单元用于根据输入信号确定改变不同计算模式的多个第一计算定时。 第一计算单元耦合到确定单元，用于根据第一计算定时及其计算模式产生输入信号的第一计算结果。 比较单元耦合到第一计算单元，用于根据输入信号的第一计算结果和阈值设置产生比较结果，并且用于根据比较结果输出输入信号的解调数据。

公开(公告)号：US07583729B2

公开(公告)日：2009-09-01

申请号：US11161532

申请日：2005-08-08

申请人： Pi-Hai Liu ,  Meng-Ta Yang

发明人： Pi-Hai Liu ,  Meng-Ta Yang

IPC分类号： H03K5/159 ,  H03D1/00

CPC分类号： H04B3/142

摘要： An adaptive equalizer and the related method are disclosed. The adaptive equalizer is capable of adjusting its own equalization coefficients, and includes a reference signal generator for generating a reference signal according to a first reference source, an equalization unit for generating an equalized signal by processing a received signal through a plurality of equalization coefficients, a weighted signal generator for generating a weighted signal according to a second reference source, and a coefficient adapting circuit for adjusting the equalization coefficients according to the reference signal, the equalized signal, the weighted signal, and the received signal.

摘要翻译： 公开了一种自适应均衡器及相关方法。 自适应均衡器能够调整其自身的均衡系数，并且包括用于根据第一参考源产生参考信号的参考信号发生器，用于通过多个均衡系数处理接收信号来产生均衡信号的均衡单元， 用于根据第二参考源产生加权信号的加权信号发生器，以及根据参考信号，均衡信号，加权信号和接收信号调整均衡系数的系数适配电路。

公开(公告)号：US20070150798A1

公开(公告)日：2007-06-28

申请号：US11164959

申请日：2005-12-12

申请人： Jia-Horng Shieh ,  Pi-Hai Liu

发明人： Jia-Horng Shieh ,  Pi-Hai Liu

IPC分类号： H03M13/00

CPC分类号： H03M13/29 ,  G11B20/1833 ,  H03M13/15 ,  H03M13/1515 ,  H03M13/2909 ,  H03M13/2927 ,  H03M13/6502

摘要： A method for decoding an error correction code (ECC) block includes: providing a plurality of flags, wherein each flag is utilized to label at least one codeword of the ECC block as an error-free codeword; and detecting whether a flag corresponding to a specific codeword is asserted, and skipping calculating a syndrome of the specific codeword if the flag is asserted.

摘要翻译： 用于解码纠错码（ECC）块的方法包括：提供多个标志，其中每个标志用于将所述ECC块的至少一个码字标记为无错误码字; 并且检测与特定码字相对应的标志是否被断言，并且如果所述标志被断言，则跳过计算特定码字的校正子。

公开(公告)号：US07224295B2

公开(公告)日：2007-05-29

申请号：US11277351

申请日：2006-03-23

申请人： Jia-Horng Shieh ,  Pi-Hai Liu

发明人： Jia-Horng Shieh ,  Pi-Hai Liu

IPC分类号： H03M5/00

CPC分类号： H03M5/145 ,  G11B20/1426 ,  G11B2020/1469 ,  G11B2220/2579

摘要： The present invention provides a method and system for converting an input code into an output code. The method includes: determining a plurality of input code subsets of the input code; converting the input code subsets into a plurality of output code subsets, respectively; and merging the output code subsets to generate the output code. The system includes a splitter, for determining a plurality of input code subsets of the input code; a mapper, coupled to the splitter, for converting the input code subsets into a plurality of output code subsets, respectively; and a merger, coupled to the mapper, for merging the output code subsets to generate the output code.

摘要翻译： 本发明提供一种将输入代码转换为输出代码的方法和系统。 该方法包括：确定输入代码的多个输入代码子集; 将输入代码子集分别转换成多个输出代码子集; 并合并输出代码子集以生成输出代码。 该系统包括分离器，用于确定输入代码的多个输入代码子集; 耦合到分离器的映射器，用于将输入代码子集分别转换成多个输出代码子集; 以及与映射器耦合的合并，用于合并输出代码子集以生成输出代码。

公开(公告)号：US07006020B2

公开(公告)日：2006-02-28

申请号：US10613004

申请日：2003-07-07

申请人： Pi-Hai Liu ,  Yung-Chi Yang

发明人： Pi-Hai Liu ,  Yung-Chi Yang

IPC分类号： H03M5/06

CPC分类号： H03M5/145 ,  G11B20/1426

摘要： An encoding and decoding method of record medium having the concept of type and set is disclosed. The disclosed not only satisfy the DK-Constraint, the coding rate and DC-free control are better through the auxiliary conditions of type dependency and digital sum value. The available storage space of the record medium consequently increases. In the decoding procedures, the accuracy and efficiency are better through the auxiliary conditions of type dependency and forbidden type set. Thus, the decoding error consequently decreases.

摘要翻译： 公开了具有类型和集合概念的记录介质的编码和解码方法。 所披露的不仅满足DK约束，编码率和无DC控制通过类型依赖和数字和值的辅助条件更好。 因此，记录介质的可用存储空间增加。 在解码过程中，通过类型依赖和禁止类型集合的辅助条件，精度和效率更好。 因此，解码错误因此降低。

公开(公告)号：US20050097422A1

公开(公告)日：2005-05-05

申请号：US10976121

申请日：2004-10-28

申请人： Yuh Cheng ,  Pi-Hai Liu

发明人： Yuh Cheng ,  Pi-Hai Liu

IPC分类号： G06F11/00 ,  G06F11/30 ,  G08C25/00 ,  G11B20/10 ,  G11B20/14 ,  H03M13/00 ,  H04L1/00

CPC分类号： G11B20/10009 ,  G11B20/1426

摘要： An apparatus for data recovery includes a multi-level comparison unit, a detection logic unit, and a data composer. The multi-level comparison unit compares an input signal with M different reference signal levels to generate M digital data, the number M being greater than or equal to 2. The detection logic unit is coupled to the multi-level comparison unit, and performs logic operations upon specified lengths over the M digital data obtained from the multi-level comparison unit. The data composer is coupled to the multi-level comparison unit and the detection logic unit. The data composer generates recovered data conforming with a run length encoding constraint based on the M digital data obtained from the multi-level comparison unit and the result obtained from the detection logic unit.

摘要翻译： 用于数据恢复的装置包括多级比较单元，检测逻辑单元和数据编辑器。 多电平比较单元将输入信号与M个不同的参考信号电平进行比较以产生M个数字数据，数字M大于或等于2.检测逻辑单元耦合到多电平比较单元，并执行逻辑 在从多级比较单元获得的M数字数据上指定长度的操作。 数据编辑器耦合到多级比较单元和检测逻辑单元。 数据编辑器基于从多级别比较单元获得的M数字数据和从检测逻辑单元获得的结果，生成符合游程长度编码约束的恢复数据。

公开(公告)号：US08467280B2

公开(公告)日：2013-06-18

申请号：US12602103

申请日：2009-11-23

申请人： Gwo-Huei Wu ,  Pi-Hai Liu ,  Chih-Ching Chen

发明人： Gwo-Huei Wu ,  Pi-Hai Liu ,  Chih-Ching Chen

IPC分类号： G11B19/02

CPC分类号： G11B7/126 ,  G11B7/00456

摘要： A controller of an optical storage apparatus for generating a plurality of control signals is provided. The controller includes a code generator implemented for determining a plurality of control codes according to an input data associated with data recording, and generating the control signals to deliver the control codes. Each of the control codes represents one power level. Besides, regarding each of the control signals, a minimum transmission pulse length thereof corresponds to more than one power symbol period.

摘要翻译： 提供了一种用于产生多个控制信号的光存储装置的控制器。 该控制器包括一个代码发生器，用于根据与数据记录有关的输入数据确定多个控制代码，并产生控制信号以传送控制代码。 每个控制代码表示一个功率级。 此外，关于每个控制信号，其最小传输脉冲长度对应于多于一个功率符号周期。

公开(公告)号：US08369199B2

公开(公告)日：2013-02-05

申请号：US11773432

申请日：2007-07-04

申请人： Chih-Ching Yu ,  Pi-Hai Liu ,  Yuh Cheng

发明人： Chih-Ching Yu ,  Pi-Hai Liu ,  Yuh Cheng

IPC分类号： G11B7/0045

CPC分类号： G11B7/1267 ,  G11B7/00456 ,  G11B7/0062

摘要： A method for tuning a write strategy parameter of an optical storage device, includes: writing a segment of data according to a plurality of write strategies; reading the data back and 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; performing calculations according to the lengths and a plurality of data types to generate a plurality of calculation results, each of the data types corresponding to at least a specific target pit length or at least a specific target land length; and utilizing the calculation results to determine a proper write strategy.

摘要翻译： 一种用于调整光学存储设备的写入策略参数的方法，包括：根据多个写入策略写入数据段; 读取数据并检测多个长度，每个长度对应于由光学存储设备访问的光存储介质上的凹坑或平台; 根据长度和多个数据类型执行计算以产生多个计算结果，每个数据类型至少对应于特定目标凹坑长度或至少特定目标区域长度; 并利用计算结果确定适当的写入策略。