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91. 发明授权

US08270258B2 Recording power determination method and device 有权
标题翻译：记录功率确定方法和装置
公开(公告)号：US08270258B2
公开(公告)日：2012-09-18
申请号：US13010222
申请日：2011-01-20
申请人： Mamoru Shoji , Yasumori Hino , Takahiro Sato , Yuu Okada
发明人： Mamoru Shoji , Yasumori Hino , Takahiro Sato , Yuu Okada
IPC分类号： G11B11/00
CPC分类号： G11B7/1267 , G11B7/00456 , G11B7/0062
摘要： A recording power determination method for determining a recording power of an optical beam for recording data on an information storage medium includes the steps of recording test data on the information storage medium at a plurality of test recording powers; reading the test data recorded at each test recording power, generating a signal, and measuring a modulation factor of the signal corresponding to each test recording power; calculating a product of an n'th power of each test recording power and the corresponding modulation factor, thereby obtaining a plurality of products corresponding to the plurality of test recording powers, where n is a value of exponent and is a real number other than 1; calculating a first recording power based on the correlation between the plurality of test recording powers and the plurality of products; and calculating the recording power based on the first recording power.
摘要翻译：用于确定用于在信息存储介质上记录数据的光束的记录功率的记录功率确定方法包括以多个测试记录功率将测试数据记录在信息存储介质上的步骤; 读取在每个测试记录功率下记录的测试数据，产生信号，并测量与每个测试记录功率对应的信号的调制因子; 计算每个测试记录功率的第n次功率的乘积和相应的调制因子，由此获得与多个测试记录功率对应的多个产品，其中n是指数值，并且是除1之外的实数 ; 基于所述多个测试记录功率与所述多个产品之间的相关性来计算第一记录功率; 以及基于第一记录功率计算记录功率。

92. 发明授权

US08218418B2 Optical information medium measurement method, optical information medium, recording apparatus, and reproducing apparatus 有权
标题翻译：光信息介质测量方法，光信息介质，记录装置和再现装置
公开(公告)号：US08218418B2
公开(公告)日：2012-07-10
申请号：US12559766
申请日：2009-09-15
申请人： Kousei Sano , Yoshiaki Komma , Yasumori Hino
发明人： Kousei Sano , Yoshiaki Komma , Yasumori Hino
IPC分类号： G11B3/70 , G11B7/00 , B32B3/02 , G01B11/28 , G01B9/02
CPC分类号： G11B7/268 , G11B7/00375 , G11B2007/0013
摘要： An optical information medium measurement method, for measuring a degree of modulation in an optical information medium of a multilayered structure having a plurality of information layers, includes a first step of measuring a modulation degree of each layer of the optical information medium, and a second step of obtaining a thickness between layers of the optical information medium. Further, the method includes a third step of obtaining a reflectance of each layer of the optical information medium, and a fourth step of converting the modulation degree of each layer, as measured in the first step, into a modulation degree at a reference optical system differing from the measurement optical system, based on a value indicative of the thickness between layers, the thickness being obtained in the second step, and a value indicative of the reflectance of each layer, as obtained in the third step.
摘要翻译：一种光信息介质测量方法，用于测量具有多个信息层的多层结构的光信息介质中的调制度，包括测量光信息介质的每一层的调制度的第一步骤，以及第二步获得光信息介质的层之间的厚度的步骤。此外，该方法包括获得光信息介质的每一层的反射率的第三步骤，以及将在第一步骤中测量的每层的调制度转换为参考光学系统的调制度的第四步骤不同于测量光学系统，基于指示层之间的厚度的值，在第二步骤中获得的厚度和指示每个层的反射率的值，如在第三步骤中获得的。

93. 发明申请

US20120170433A1 RECORDING MEDIUM AND RECORDING/REPRODUCING APPARATUS THEREFOR 有权
标题翻译：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。

94. 发明授权

US08144563B2 Information recording medium, reproducing device and reproducing method 有权
标题翻译：信息记录介质，再现装置和再现方法
公开(公告)号：US08144563B2
公开(公告)日：2012-03-27
申请号：US12936939
申请日：2009-12-03
申请人： Masahito Nakao , Yasumori Hino , Yoshiaki Komma , Fumitomo Yamasaki , Kousei Sano
发明人： Masahito Nakao , Yasumori Hino , Yoshiaki Komma , Fumitomo Yamasaki , Kousei Sano
IPC分类号： G11B7/00 , G11B7/24
CPC分类号： G11B7/005 , G11B7/00736 , G11B7/1267 , G11B7/24038 , G11B2007/0013
摘要： An information recording medium according to the present invention includes at least three information recording layers. If the readout power of a laser beam in reading information from an information recording layer L(n) is identified by Pw(n), and if the readout power of the laser beam in reading information from an information recording layer L(n+a) is identified by Pw(n+a), then a base thickness between the information recording layers is determined so that the intensity of the light when the information recording layer L(n+a) is irradiated with a laser beam having the readout power Pw(n) becomes equal to or lower than that of the light when the information recording layer L(n+a) is irradiated with a laser beam having the readout power Pw(n+a).
摘要翻译：根据本发明的信息记录介质包括至少三个信息记录层。如果从信息记录层L（n）读取信息中的激光束的读出功率被Pw（n）识别，并且如果从信息记录层L（n + a）读取信息中的激光束的读出功率）由Pw（n + a）识别，则信息记录层之间的基底厚度被确定为当信息记录层L（n + a）被激光束照射时具有读出功率的光的强度当信息记录层L（n + a）被具有读出功率Pw（n + a）的激光束照射时，Pw（n）变得等于或低于光的光。

95. 发明授权

US08081551B2 Optical recording medium, and optical information device 有权
标题翻译：光记录介质和光信息设备
公开(公告)号：US08081551B2
公开(公告)日：2011-12-20
申请号：US12617390
申请日：2009-11-12
申请人： Yoshiaki Komma , Masahiko Tsukuda , Joji Anzai , Yasumori Hino
发明人： Yoshiaki Komma , Masahiko Tsukuda , Joji Anzai , Yasumori Hino
IPC分类号： G11B7/00
CPC分类号： G11B7/24038
摘要： An object of the invention is to provide an optical recording medium and an optical information device that enable to improve the quality of a servo signal and a reproduction signal. In the case where shape-wise thicknesses tr1, tr2, tr3, and tr4 of a cover layer, a first intermediate layer, a second intermediate layer, and a third intermediate layer are respectively converted into thicknesses t1, t2, t3, and t4 of the respective corresponding layers each having a predetermined refractive index “no”, a defocus amount with respect to a layer having a refractive index nrα and a thickness trα (satisfying: 1≦α≦n (where α is a positive integer and n is an integer of 4 or more)), and a defocus amount with respect to a layer having the refractive index “no” and a thickness tα (satisfying: 1≦α≦n (where α is a positive integer and n is an integer of 4 or more)) are equal to each other; and the thicknesses t1, t2, t3, and t4 satisfy |t1−(t2+t3+t4)|≧1 μm, a difference between any two values of the thicknesses t1, t2, t3, and t4 is set to 1 μm or more in any case, and |(t1+t2)−(t3+t4)|≧1 μm.
摘要翻译：本发明的目的是提供一种能够提高伺服信号和再现信号的质量的光学记录介质和光学信息设备。在覆盖层，第一中间层，第二中间层和第三中间层的成形厚度tr1，tr2，tr3和tr4分别转换为厚度t1，t2，t3和t4的厚度t1，t2，t3和t3 各相应的层各自具有预定的折射率“no”，相对于具有折射率nrα和厚度trα的层的散焦量（满足：1＆nlE;α＆nlE; n（其中α是正整数，n是 4以上的整数））和相对于折射率“no”的层的散焦量和厚度tα（满足1＆nlE;α＆nlE; n（其中α为正整数，n为4的整数）或更多））彼此相等; 厚度t1，t2，t3，t4满足| t1-（t2 + t3 + t4）|≥1μm，厚度t1，t2，t3，t4的任意两个值之间的差设定为1μm， |（t1 + t2） - （t3 + t4）|≥1μm。

96. 发明申请

US20110032805A1 INFORMATION RECORDING MEDIUM, REPRODUCING DEVICE AND REPRODUCING METHOD 有权
标题翻译：信息记录介质，再现设备和再现方法
公开(公告)号：US20110032805A1
公开(公告)日：2011-02-10
申请号：US12936939
申请日：2009-12-03
申请人： Masahito Nakao , Yasumori Hino , Yoshiaki Komma , Fumitomo Yamasaki , Kousei Sano
发明人： Masahito Nakao , Yasumori Hino , Yoshiaki Komma , Fumitomo Yamasaki , Kousei Sano
IPC分类号： G11B7/26 , G11B7/12
CPC分类号： G11B7/005 , G11B7/00736 , G11B7/1267 , G11B7/24038 , G11B2007/0013
摘要： An information recording medium according to the present invention includes at least three information recording layers. If the readout power of a laser beam in reading information from an information recording layer L(n) is identified by Pw(n), and if the readout power of the laser beam in reading information from an information recording layer L(n+a) is identified by Pw(n+a), then a base thickness between the information recording layers is determined so that the intensity of the light when the information recording layer L(n+a) is irradiated with a laser beam having the readout power Pw(n) becomes equal to or lower than that of the light when the information recording layer L(n+a) is irradiated with a laser beam having the readout power Pw(n+a).
摘要翻译：根据本发明的信息记录介质包括至少三个信息记录层。如果从信息记录层L（n）读取信息中的激光束的读出功率被Pw（n）识别，并且如果从信息记录层L（n + a）读取信息中的激光束的读出功率）由Pw（n + a）识别，则信息记录层之间的基底厚度被确定为当信息记录层L（n + a）被激光束照射时具有读出功率的光的强度当信息记录层L（n + a）被具有读出功率Pw（n + a）的激光束照射时，Pw（n）变得等于或低于光的光。

97. 发明申请

US20100214895A1 REPRODUCTION SIGNAL EVALUATION METHOD, REPRODUCTION SIGNAL EVALUATION UNIT, AND OPTICAL DISK DEVICE ADOPTING THE SAME 有权
标题翻译：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。

98. 发明申请

US20100202261A1 OPTICAL RECORDING MEDIUM, OPTICAL RECORDING MEDIUM MANUFACTURING METHOD, REPRODUCTION SIGNAL PROCESSING METHOD AND EVALUATION METHOD 有权
标题翻译：光学记录介质，光记录介质制造方法，生成信号处理方法和评估方法
公开(公告)号：US20100202261A1
公开(公告)日：2010-08-12
申请号：US12376544
申请日：2007-11-30
申请人： Harumitsu Miyashita , Yasumori Hino , Mamoru Shoji , Kiyotaka Itou
发明人： Harumitsu Miyashita , Yasumori Hino , Mamoru Shoji , Kiyotaka Itou
IPC分类号： G11B7/24 , G11B20/10 , G11B27/36 , G11B7/26
CPC分类号： G11B20/10009 , G11B20/10046 , G11B20/10111 , G11B20/10481 , G11B2020/122 , G11B2220/2541 , G11B2220/2562
摘要： An optical head 12 reproduces information recorded on an optical disc 11, a BCA detector 21 and a medium discriminating circuit 22 acquire waveform distortion information for specifying a waveform distortion of a reproduction signal reproduced by the optical head 12, and a variable waveform equalizer 16 changes a parameter used in a distortion reduction processing for reducing the waveform distortion of the reproduction signal based on the waveform distortion information.
摘要翻译：光头12再现记录在光盘11上的信息，BCA检测器21和介质鉴别电路22获取用于指定由光头12再现的再现信号的波形失真的波形失真信息，并且可变波形均衡器16改变用于基于波形失真信息减少再现信号的波形失真的失真减小处理中使用的参数。

99. 发明申请

US20100149932A1 OPTICAL RECORDING MEDIUM, AND OPTICAL INFORMATION DEVICE 有权
标题翻译：光学记录介质和光信息设备
公开(公告)号：US20100149932A1
公开(公告)日：2010-06-17
申请号：US12617390
申请日：2009-11-12
申请人： Yoshiaki KOMMA , Masahiko Tsukuda , Joji Anzai , Yasumori Hino
发明人： Yoshiaki KOMMA , Masahiko Tsukuda , Joji Anzai , Yasumori Hino
IPC分类号： G11B7/00 , G11B7/24
CPC分类号： G11B7/24038
摘要： An object of the invention is to provide an optical recording medium and an optical information device that enable to improve the quality of a servo signal and a reproduction signal. In the case where shape-wise thicknesses tr1, tr2, tr3, and tr4 of a cover layer, a first intermediate layer, a second intermediate layer, and a third intermediate layer are respectively converted into thicknesses t1, t2, t3, and t4 of the respective corresponding layers each having a predetermined refractive index “no”, a defocus amount with respect to a layer having a refractive index nrα and a thickness trα (satisfying: 1≦α≦n (where α is a positive integer and n is an integer of 4 or more)), and a defocus amount with respect to a layer having the refractive index “no” and a thickness tα (satisfying: 1≦α≦n (where α is a positive integer and n is an integer of 4 or more)) are equal to each other; and the thicknesses t1, t2, t3, and t4 satisfy |t1−(t2+t3+t4)|≧1 μm, a difference between any two values of the thicknesses t1, t2, t3, and t4 is set to 1 μm or more in any case, and |(t1+t2)−(t3+t4)|≧1 μm.
摘要翻译：本发明的目的是提供一种能够提高伺服信号和再现信号的质量的光学记录介质和光学信息设备。在覆盖层，第一中间层，第二中间层和第三中间层的成形厚度tr1，tr2，tr3和tr4分别转换为厚度t1，t2，t3和t4的厚度t1，t2，t3和t3 各相应的层各自具有预定的折射率“no”，相对于具有折射率nrα和厚度trα的层的散焦量（满足：1＆nlE;α＆nlE; n（其中α是正整数，n是 4以上的整数））和相对于折射率“no”的层的散焦量和厚度tα（满足1＆nlE;α＆nlE; n（其中α为正整数，n为4的整数）或更多））彼此相等; 厚度t1，t2，t3，t4满足| t1-（t2 + t3 + t4）|≥1μm，厚度t1，t2，t3，t4的任意两个值之间的差设定为1μm， |（t1 + t2） - （t3 + t4）|≥1μm。

100. 发明申请

US20100002556A1 REPRODUCTION SIGNAL EVALUATION METHOD, REPRODUCTION SIGNAL EVALUATION UNIT, AND OPTICAL DISK DEVICE ADOPTING THE SAME 失效
标题翻译：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。

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