SIGNAL PROCESSING DEVICES AND SIGNAL PROCESSING METHODS
    1.
    发明申请
    SIGNAL PROCESSING DEVICES AND SIGNAL PROCESSING METHODS 审中-公开
    信号处理装置和信号处理方法

    公开(公告)号:US20100124154A1

    公开(公告)日:2010-05-20

    申请号:US12510258

    申请日:2009-07-27

    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。

    APPARATUS FOR GENERATING VITERBI-PROCESSED DATA
    2.
    发明申请
    APPARATUS FOR GENERATING VITERBI-PROCESSED DATA 审中-公开
    用于生成VITERBI处理数据的装置

    公开(公告)号:US20110090779A1

    公开(公告)日:2011-04-21

    申请号:US12703874

    申请日:2010-02-11

    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。

    Decoding apparatus and method thereof
    3.
    发明授权
    Decoding apparatus and method thereof 有权
    解码装置及其方法

    公开(公告)号:US08248903B2

    公开(公告)日:2012-08-21

    申请号:US12764254

    申请日:2010-04-21

    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。

    APPARATUS FOR GENERATING VITERBI-PROCESSED DATA USING AN INPUT SIGNAL OBTAINED FROM READING AN OPTICAL DISC
    4.
    发明申请
    APPARATUS FOR GENERATING VITERBI-PROCESSED DATA USING AN INPUT SIGNAL OBTAINED FROM READING AN OPTICAL DISC 审中-公开
    用于使用从读取光盘获得的输入信号来生成VITERBI处理的数据的装置

    公开(公告)号:US20110090773A1

    公开(公告)日:2011-04-21

    申请号:US12854145

    申请日:2010-08-10

    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。

    Error-Correcting Apparatus and Method Thereof
    5.
    发明申请
    Error-Correcting Apparatus and Method Thereof 审中-公开
    误差校正装置及其方法

    公开(公告)号:US20110167323A1

    公开(公告)日:2011-07-07

    申请号:US12683915

    申请日:2010-01-07

    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。

    Automatic power control system for optical disc drive and method thereof
    7.
    发明授权
    Automatic power control system for optical disc drive and method thereof 有权
    用于光盘驱动器的自动功率控制系统及其方法

    公开(公告)号:US08115661B2

    公开(公告)日:2012-02-14

    申请号:US13084098

    申请日:2011-04-11

    Abstract: A method and system for calibrating an initial driving signal for driving an optical pick-up head of an optical disk drive is provided. On one embodiment, said optical disk drive is utilized for reading or writing data on an optical disk, the optical disk includes a plurality of auto power control areas (APC areas) and a plurality of data areas, and the APC areas and the data areas are interleaved in between. In at least one of the APC areas that before the data areas for a normal data writing, an initial driving signal is used for the normal data writing to drive the optical pick-up head to emit laserbeam. A detected level of the laserbeam is then obtained. An update initial driving signal is then calibrated according to the detected level and a target level.

    Abstract translation: 提供了用于校准用于驱动光盘驱动器的光学拾取头的初始驱动信号的方法和系统。 在一个实施例中,所述光盘驱动器用于在光盘上读取或写入数据,该光盘包括多个自动功率控制区域(APC区域)和多个数据区域,以及APC区域和数据区域 在它们之间交错。 在正常数据写入的数据区之前的至少一个APC区域中,初始驱动信号用于正常数据写入以驱动光学拾取头发射激光束。 然后获得激光束的检测水平。 然后根据检测到的电平和目标电平校准更新初始驱动信号。

    Automatic Power Control System for Optical Disc Drive and Method Thereof
    9.
    发明申请
    Automatic Power Control System for Optical Disc Drive and Method Thereof 有权
    光盘驱动自动电源控制系统及其方法

    公开(公告)号:US20110188363A1

    公开(公告)日:2011-08-04

    申请号:US13084098

    申请日:2011-04-11

    Abstract: A method and system for calibrating an initial driving signal for driving an optical pick-up head of an optical disk drive is provided. On one embodiment, said optical disk drive is utilized for reading or writing data on an optical disk, the optical disk includes a plurality of auto power control areas (APC areas) and a plurality of data areas, and the APC areas and the data areas are interleaved in between. In at least one of the APC areas that before the data areas for a normal data writing, an initial driving signal is used for the normal data writing to drive the optical pick-up head to emit laserbeam. A detected level of the laserbeam is then obtained. An update initial driving signal is then calibrated according to the detected level and a target level.

    Abstract translation: 提供了用于校准用于驱动光盘驱动器的光学拾取头的初始驱动信号的方法和系统。 在一个实施例中,所述光盘驱动器用于在光盘上读取或写入数据,该光盘包括多个自动功率控制区域(APC区域)和多个数据区域,以及APC区域和数据区域 在它们之间交错。 在正常数据写入的数据区之前的至少一个APC区域中,初始驱动信号用于正常数据写入以驱动光学拾取头发射激光束。 然后获得激光束的检测水平。 然后根据检测到的电平和目标电平校准更新初始驱动信号。

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