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    Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same
    3.
    发明授权
    Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same 有权
    再现信号评估方法，再现信号评估单元和采用该方法的光盘装置

    公开(公告)号：US08248902B2

    公开(公告)日：2012-08-21

    申请号：US12698284

    申请日：2010-02-02

    申请人： Harumitsu Miyashita ,  Yasumori Hino ,  Junya Shiraishi ,  Shoei Kobayashi

    发明人： Harumitsu Miyashita ,  Yasumori Hino ,  Junya Shiraishi ,  Shoei Kobayashi

    IPC分类号： G11B7/00

    CPC分类号： G11B20/10009 ,  G11B20/1012 ,  G11B20/10481 ,  G11B20/1816 ,  G11B2220/2537

    摘要： A reproduction signal evaluation unit includes a pattern detection section for extracting, from a binary signal, a specific state transition pattern which has a possibility of causing a bit error; a differential metric computing section for computing a differential metric based on the binary signal of the extracted state transition pattern; an error computing section for computing an error rate predicted based on an integration value that is integrated by an integration section, a count value that is counted by a pattern count section, an integration value that is integrated by another integration section, and a count value that is counted by another pattern count section, and a standard deviation computing section for computing a standard deviation based on the computed error rate.

    摘要翻译： 再现信号评估单元包括：模式检测部分，用于从二进制信号中提取具有引起位错误的可能性的特定状态转换模式; 差分度量计算部分，用于基于所提取的状态转变模式的二进制信号来计算差分度量; 用于计算基于由积分部分积分的积分值，由图案计数部分计数的计数值，由另一积分部分积分的积分值和计数值的误差率的误差计算部分 其由另一模式计数部分计数，以及标准偏差计算部分，用于基于计算出的错误率来计算标准偏差。

    REPRODUCTION SIGNAL EVALUATION METHOD, REPRODUCTION SIGNAL EVALUATION UNIT, AND OPTICAL DISK DEVICE ADOPTING THE SAME
    4.
    发明申请
    REPRODUCTION SIGNAL EVALUATION METHOD, REPRODUCTION SIGNAL EVALUATION UNIT, AND OPTICAL DISK DEVICE ADOPTING THE SAME 有权
    生殖信号评估方法，生殖信号评估单元和采用该方法的光盘装置

    公开(公告)号：US20100214895A1

    公开(公告)日：2010-08-26

    申请号：US12698284

    申请日：2010-02-02

    申请人： Harumitsu Miyashita ,  Yasumori Hino ,  Junya Shiraishi ,  Shoei Kobayashi

    发明人： Harumitsu Miyashita ,  Yasumori Hino ,  Junya Shiraishi ,  Shoei Kobayashi

    IPC分类号： G11B20/18

    CPC分类号： G11B20/10009 ,  G11B20/1012 ,  G11B20/10481 ,  G11B20/1816 ,  G11B2220/2537

    摘要： A reproduction signal evaluation unit has: a pattern detection section for extracting, from a binary signal, a specific state transition pattern which has a possibility of causing a bit error; a differential metric computing section for computing a differential metric based on the binary signal of the extracted state transition pattern; an error computing section for computing an error rate predicted based on an integration value that is integrated by an integration section, a count value that is counted by a pattern count section, an integration value that is integrated by another integration section, and a count value that is counted by another pattern count section, and a standard deviation computing section for computing a standard deviation based on the computed error rate.

    摘要翻译： 再现信号评估单元具有：模式检测部分，用于从二进制信号中提取具有引起位错误的可能性的特定状态转换模式; 差分度量计算部分，用于基于所提取的状态转变模式的二进制信号来计算差分度量; 用于计算基于由积分部分积分的积分值，由图案计数部分计数的计数值，由另一积分部分积分的积分值和计数值的误差率的误差计算部分 其由另一模式计数部分计数，以及标准偏差计算部分，用于基于计算出的错误率来计算标准偏差。

    REPRODUCTION SIGNAL EVALUATION METHOD, REPRODUCTION SIGNAL EVALUATION UNIT, AND OPTICAL DISK DEVICE ADOPTING THE SAME
    5.
    发明申请
    REPRODUCTION SIGNAL EVALUATION METHOD, REPRODUCTION SIGNAL EVALUATION UNIT, AND OPTICAL DISK DEVICE ADOPTING THE SAME 失效
    生殖信号评估方法，生殖信号评估单元和采用该方法的光盘装置

    公开(公告)号：US20100002556A1

    公开(公告)日：2010-01-07

    申请号：US12496096

    申请日：2009-07-01

    申请人： Harumitsu MIYASHITA ,  Yasumori Hino ,  Junya Shiraishi ,  Shoei Kobayashi

    发明人： Harumitsu MIYASHITA ,  Yasumori Hino ,  Junya Shiraishi ,  Shoei Kobayashi

    IPC分类号： G11B7/00

    CPC分类号： G11B20/10009 ,  G11B20/10027 ,  G11B20/10046 ,  G11B20/10055 ,  G11B20/1012 ,  G11B20/10212 ,  G11B20/10277 ,  G11B20/10296 ,  G11B20/10361 ,  G11B20/1037 ,  G11B20/10398 ,  G11B20/10425 ,  G11B20/10472 ,  G11B20/10481 ,  G11B20/1816 ,  G11B20/182 ,  G11B20/22 ,  G11B2220/2541

    摘要： A reproduction signal evaluation method for evaluating quality of a reproduction signal reproduced from an information recording medium based on a binary signal generated from the reproduction signal using a PRML signal processing system, includes: a pattern extraction step of extracting, from the binary signal, a specific state transition pattern which has the possibility of causing a bit error; a step of computing a differential metric based on the binary signal; an extraction step of extracting the differential metric which is not greater than a predetermined signal processing threshold; a step of determining a mean value of the differential metrics which are not greater than the signal processing threshold and extracted in the extraction step; a standard deviation computing step of determining a standard deviation which corresponds to an error rate predicted from the mean value; and an evaluation step of evaluating a quality of the reproduction signal using the standard deviation.

    摘要翻译： 一种用于基于使用PRML信号处理系统从再现信号产生的二进制信号从信息记录介质再现的再现信号的质量评估的再现信号评估方法，包括：模式提取步骤，从二进制信号中提取 具有导致位错误的可能性的特定状态转换模式; 基于二进制信号计算差分度量的步骤; 提取步骤，提取不大于预定信号处理阈值的差分度量; 确定不大于信号处理阈值并在提取步骤中提取的差分度量的平均值的步骤; 标准偏差计算步骤，用于确定与从所述平均值预测的误差率对应的标准偏差; 以及评估步骤，使用标准偏差来评估再现信号的质量。

    Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same
    8.
    发明授权
    Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same 失效
    再现信号评估方法，再现信号评估单元和采用该方法的光盘装置

    公开(公告)号：US08159918B2

    公开(公告)日：2012-04-17

    申请号：US12496096

    申请日：2009-07-01

    申请人： Harumitsu Miyashita ,  Yasumori Hino ,  Junya Shiraishi ,  Shoei Kobayashi

    发明人： Harumitsu Miyashita ,  Yasumori Hino ,  Junya Shiraishi ,  Shoei Kobayashi

    IPC分类号： G11B7/00

    CPC分类号： G11B20/10009 ,  G11B20/10027 ,  G11B20/10046 ,  G11B20/10055 ,  G11B20/1012 ,  G11B20/10212 ,  G11B20/10277 ,  G11B20/10296 ,  G11B20/10361 ,  G11B20/1037 ,  G11B20/10398 ,  G11B20/10425 ,  G11B20/10472 ,  G11B20/10481 ,  G11B20/1816 ,  G11B20/182 ,  G11B20/22 ,  G11B2220/2541

    摘要： A reproduction signal evaluation method evaluates the quality of a reproduction signal reproduced from an information recording medium based on a binary signal generated from the reproduction signal using a PRML signal processing system. The method includes a pattern extraction step of extracting, from the binary signal, a specific state transition pattern which has the possibility of causing a bit error; a step of computing a differential metric based on the binary signal; an extraction step of extracting the differential metric which is not greater than a predetermined signal processing threshold; a step of determining a mean value of the differential metrics which are not greater than the signal processing threshold and extracted in the extraction step; a standard deviation computing step of determining a standard deviation which corresponds to an error rate predicted from the mean value; and an evaluation step of evaluating a quality of the reproduction signal using the standard deviation.

    摘要翻译： 再现信号评估方法基于使用PRML信号处理系统从再现信号生成的二进制信号来评估从信息记录介质再现的再现信号的质量。 该方法包括：模式提取步骤，从二进制信号中提取具有引起位错误的可能性的特定状态转换模式; 基于二进制信号计算差分度量的步骤; 提取步骤，提取不大于预定信号处理阈值的差分度量; 确定不大于信号处理阈值并在提取步骤中提取的差分度量的平均值的步骤; 标准偏差计算步骤，用于确定与从所述平均值预测的误差率对应的标准偏差; 以及评估步骤，使用标准偏差来评估再现信号的质量。

    Recording medium and recording or reproducing apparatus therefor for recording or reproducing control information
    9.
    发明授权
    Recording medium and recording or reproducing apparatus therefor for recording or reproducing control information 有权
    记录介质及其记录或再现装置，用于记录或再现控制信息

    公开(公告)号：US08509044B2

    公开(公告)日：2013-08-13

    申请号：US13391906

    申请日：2010-09-16

    申请人： Yasumori Hino ,  Junya Shiraishi ,  Hiroyasu Inoue ,  Koichi Watanabe

    发明人： Yasumori Hino ,  Junya Shiraishi ,  Hiroyasu Inoue ,  Koichi Watanabe

    IPC分类号： G11B20/10

    CPC分类号： G11B7/00736 ,  G11B7/00456 ,  G11B7/0062

    摘要： A recording medium and apparatus enable the number of data units of recording pulse information to be reduced. The recording medium includes an information area for recording set values of a recording pulse for forming recording marks. The set values include preceding space-based set values having a first reference value as a set value of a recording pulse corresponding to a predetermined preceding space and a first difference set value of a recording pulse corresponding to a space other than the predetermined preceding space; and trailing space-based set values having a second reference value as a set value of a recording pulse corresponding to a predetermined trailing space and a second difference set value of a recording pulse corresponding to a space other than the predetermined trailing space and which is expressed as a difference from the second reference value.

    摘要翻译： 记录介质和装置能够减少记录脉冲信息的数据单元的数量。 记录介质包括用于记录用于形成记录标记的记录脉冲的设定值的信息区域。 设定值包括具有第一参考值作为对应于预定先行空间的记录脉冲的设定值的前面的基于空间的设定值和与预定的前一个空间以外的空间相对应的记录脉冲的第一差设定值; 以及尾部空格设定值，其具有第二参考值作为对应于预定拖尾空间的记录脉冲的设定值和对应于除了预定拖尾空间之外的空间的记录脉冲的第二差设定值，并且被表达 作为与第二参考值的差。

    RECORDING MEDIUM AND RECORDING/REPRODUCING APPARATUS THEREFOR
    10.
    发明申请
    RECORDING MEDIUM AND RECORDING/REPRODUCING APPARATUS THEREFOR 有权
    记录介质和记录/再现设备

    公开(公告)号：US20120170433A1

    公开(公告)日：2012-07-05

    申请号：US13391906

    申请日：2010-09-16

    申请人： Yasumori Hino ,  Junya Shiraishi ,  Hiroyasu Inoue ,  Koichi Watanabe

    发明人： Yasumori Hino ,  Junya Shiraishi ,  Hiroyasu Inoue ,  Koichi Watanabe

    IPC分类号： G11B7/007 ,  G11B20/12

    CPC分类号： G11B7/00736 ,  G11B7/00456 ,  G11B7/0062

    摘要： The present invention provides a recording medium and a recording/reproducing apparatus which enable the number of data units of recording pulse information to be reduced by dividing the recording pulse information into 1 byte-parameter information and differences from a value thereof, and the recording pulse information to be recorded on an existing DI area.A recording medium (801) has an information area (101) in which is recorded, as recording/reproducing control information, set values of a recording pulse adopted when forming a recording mark including: preceding space-based set values that include a first reference value that is a set value of a recording pulse corresponding to a predetermined preceding space and a first difference set value which is a set value of a recording pulse corresponding to a space other than the predetermined preceding space and which is expressed as a difference from the first reference value; and trailing space-based set values that include a second reference value that is a set value of a recording pulse corresponding to a predetermined trailing space and a second difference set value which is a set value of a recording pulse corresponding to a space other than the predetermined trailing space and which is expressed as a difference from the second reference value.

    摘要翻译： 本发明提供了一种记录介质和记录/再现装置，其能够通过将记录脉冲信息划分为1字节参数信息和与其值的差异来减少记录脉冲信息的数据单元的数量，并且记录脉冲 要记录在现有DI区域的信息。 记录介质（801）具有记录信息区（101），作为记录/再现控制信息，在形成记录标记时采用的记录脉冲的设定值包括：包括第一参考的先前的基于空间的设定值 值，其是与预定的前一个空间相对应的记录脉冲的设定值，以及作为与预定的前一个空间以外的空间相对应的记录脉冲的设定值的第一差值设定值，并且表示为与 第一参考值; 以及尾随空间设定值，其包括作为对应于预定尾数空间的记录脉冲的设定值的第二参考值和作为与除了所述预定尾数空间之外的空间对应的记录脉冲的设定值的第二差设定值 预定的拖尾空间，并且被表示为与第二参考值的差。