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21. 发明授权

US08243571B2 Reproduced signal evaluating method, information recording medium, reproducing device, and recording device 有权
标题翻译：再现信号评估方法，信息记录介质，再现装置和记录装置
公开(公告)号：US08243571B2
公开(公告)日：2012-08-14
申请号：US12745297
申请日：2009-09-29
申请人： Kiyotaka Ito , Yasumori Hino , Harumitsu Miyashita , Isao Kobayashi
发明人： Kiyotaka Ito , Yasumori Hino , Harumitsu Miyashita , Isao Kobayashi
IPC分类号： G11B5/09 , G11B20/10 , G11B27/36 , G11B7/0045
CPC分类号： G11B20/1403 , G11B7/0037 , G11B7/00458 , G11B7/005 , G11B7/24038 , G11B20/10009 , G11B20/10055 , G11B20/1012 , G11B20/10287 , G11B20/10296 , G11B20/10407 , G11B20/10481 , G11B20/1049 , G11B20/1816 , G11B2007/0013 , G11B2220/235 , G11B2220/2541
摘要： A reproduction signal evaluation method according to the present invention relates to adjustment of an edge portion between a shortest mark and a shortest space in a data sequence including marks and spaces in combination that is recordable on an information recording medium. In a pattern including a shortest mark and a shortest space adjacent before or after the shortest mark, a shift amount of an edge of the shortest mark is obtained from a differential metric calculated regarding one of a first pattern in which a space adjacent to the shortest mark and not adjacent to the shortest space is longer than the shortest space; and a second pattern in which a mark adjacent to the shortest space and not adjacent to the shortest mark is longer than the shortest mark.
摘要翻译：根据本发明的再现信号评估方法涉及在包括可记录在信息记录介质上的组合的数据序列中的最短标记和最短空间之间的边缘部分的调整。在包括最短标记和在最短标记之前或之后相邻的最短空格的图案中，从针对与最短标记相邻的空格的第一图案之一计算的差分度量获得最短标记的边缘的偏移量标记与不相邻的最短空间长于最短空间; 以及第二图案，其中与最短空间相邻并且不与最短标记相邻的标记比最短标记长。

22. 发明授权

US08203922B2 Reproduced signal evaluating method, information recording medium, reproducing device, and recording device 有权
公开(公告)号：US08203922B2
公开(公告)日：2012-06-19
申请号：US12745297
申请日：2009-09-29
申请人： Kiyotaka Ito , Yasumori Hino , Harumitsu Miyashita , Isao Kobayashi
发明人： Kiyotaka Ito , Yasumori Hino , Harumitsu Miyashita , Isao Kobayashi
IPC分类号： G11B5/09 , G11B20/10 , G11B27/36 , G11B7/0045
摘要： A reproduction signal evaluation method according to the present invention relates to adjustment of an edge portion between a shortest mark and a shortest space in a data sequence including marks and spaces in combination that is recordable on an information recording medium. In a pattern including a shortest mark and a shortest space adjacent before or after the shortest mark, a shift amount of an edge of the shortest mark is obtained from a differential metric calculated regarding one of a first pattern in which a space adjacent to the shortest mark and not adjacent to the shortest space is longer than the shortest space; and a second pattern in which a mark adjacent to the shortest space and not adjacent to the shortest mark is longer than the shortest mark.

23. 发明授权

US08018810B2 Recording control apparatus, recording and reproduction apparatus, and recording control method 有权
标题翻译：记录控制装置，记录和再现装置以及记录控制方法
公开(公告)号：US08018810B2
公开(公告)日：2011-09-13
申请号：US12249978
申请日：2008-10-13
申请人： Harumitsu Miyashita , Takeshi Nakajima , Naohiro Kimura
发明人： Harumitsu Miyashita , Takeshi Nakajima , Naohiro Kimura
IPC分类号： G11B7/00
CPC分类号： G11B7/0062 , G11B7/00456 , G11B20/10009 , G11B20/10055 , G11B20/10111 , G11B20/10481 , G11B20/1403
摘要： A recording control apparatus includes a waveform rectification section for receiving a digital signal generated from an analog signal representing information reproduced from an information recording medium, and rectifying a waveform of the digital signal; a maximum likelihood decoding section for performing maximum likelihood decoding of the digital signal having the waveform thereof rectified, and generating a binary signal representing a result of the maximum likelihood decoding; a reliability calculation section for calculating a reliability of the result of the maximum likelihood decoding based on the digital signal having the waveform thereof rectified and the binary signal; and an adjusting section for adjusting a shape of a recording signal for recording the information on the information recording medium based on the calculated reliability.
摘要翻译：一种记录控制装置，包括：波形整流部分，用于接收从表示从信息记录介质再现的信息的模拟信号产生的数字信号，并整流数字信号的波形; 最大似然解码部分，用于对其波形进行整流的数字信号进行最大似然解码，并生成表示最大似然解码结果的二进制信号; 可靠性计算部分，用于基于其整流波形的数字信号和二进制信号来计算最大似然解码结果的可靠性; 以及调整部，用于基于所计算的可靠性来调整用于将信息记录在信息记录介质上的记录信号的形状。

24. 发明授权

US08004945B2 Recording medium access device 有权
标题翻译：记录介质访问设备
公开(公告)号：US08004945B2
公开(公告)日：2011-08-23
申请号：US12282439
申请日：2007-03-13
申请人： Harumitsu Miyashita , Kohei Nakata , Hiroshi Ueda , Youichi Ogura
发明人： Harumitsu Miyashita , Kohei Nakata , Hiroshi Ueda , Youichi Ogura
IPC分类号： G11B7/00
CPC分类号： G11B20/10009 , G11B7/0053 , G11B7/08523 , G11B2220/2537
摘要： An information reproduction device according to the present invention is a device for accessing a recording medium having first address information and second address information recorded thereon. The first address information is represented by a shape formed on the recording medium in advance; and the second address information is recorded on the recording medium together with data. The information reproduction device includes a head section for accessing the recording medium to generate a reproduction signal; a first detection section for detecting the first address information from the reproduction signal; a second detection section for detecting the second address information from the reproduction signal; and a control section for, based on a detection result of either the first detection section or the second detection section which detected the address information first, controlling an access after the detection to the recording medium.
摘要翻译：根据本发明的信息再现装置是用于访问其上记录有第一地址信息和第二地址信息的记录介质的装置。第一地址信息由形成在记录介质上的形状预先表示; 并且第二地址信息与数据一起被记录在记录介质上。信息再现装置包括用于访问记录介质以产生再现信号的头部分; 第一检测部分，用于从再现信号中检测第一地址信息; 第二检测部分，用于从再现信号中检测第二地址信息; 以及控制部分，用于基于首先检测到地址信息的第一检测部分或第二检测部分的检测结果，控制检测到记录介质之后的访问。

25. 发明授权

US07924673B2 Information processing device, access device, recording medium, information processing method, and information processing program 有权
标题翻译：信息处理装置，存取装置，记录介质，信息处理方法和信息处理程序
公开(公告)号：US07924673B2
公开(公告)日：2011-04-12
申请号：US12163563
申请日：2008-06-27
申请人： Harumitsu Miyashita , Junichi Minamino , Takeshi Nakajima
发明人： Harumitsu Miyashita , Junichi Minamino , Takeshi Nakajima
IPC分类号： G11B7/00
CPC分类号： G11B7/00736 , G11B7/004 , G11B7/005 , G11B7/0053 , G11B19/12
摘要： An information processing device processes specific information recorded on a recording medium, and has a characteristic identification unit and a processing unit. The characteristic identification unit identifies the reflection characteristic of the recording medium. The processing unit processes the specific information recorded on the recording medium according to the identified reflection characteristic. The reflection characteristic is either a first characteristic such that the reflectance of light reflected by a recorded region of the recording medium (referred to as first reflectance) is greater than the reflectance of light reflected by an unrecorded region of the recording medium (referred to as second reflectance), or a second characteristic such that the first reflectance is less than the second reflectance.
摘要翻译：信息处理装置处理记录在记录介质上的特定信息，并具有特征识别单元和处理单元。特征识别单元识别记录介质的反射特性。处理单元根据所识别的反射特性处理记录在记录介质上的特定信息。反射特性是由记录介质的记录区域反射的光的反射率（被称为第一反射率）大于由记录介质的未记录区域反射的光的反射率的第一特性（称为第一反射率第二反射率）或第二特性使得第一反射率小于第二反射率。

26. 发明授权

US07898933B2 Optical disc, optical disc drive, optical disc recording/reproducing method, and integrated circuit 有权
标题翻译：光盘，光盘驱动器，光盘记录/再现方法和集成电路
公开(公告)号：US07898933B2
公开(公告)日：2011-03-01
申请号：US12881338
申请日：2010-09-14
申请人： Kohei Nakata , Harumitsu Miyashita
发明人： Kohei Nakata , Harumitsu Miyashita
IPC分类号： G11B7/24
CPC分类号： G11B7/00745 , G11B7/005 , G11B7/0053 , G11B20/10222 , G11B20/1217 , G11B20/14 , G11B2020/1221 , G11B2020/1287 , G11B2220/2537
摘要： A big pattern for a run-in area which allows data reproduction to be performed stably even when the recording density of an optical disc is increased is provided. An optical disc according to the present invention includes tracks, each of which divided into a plurality of recording blocks. Each of the plurality of blocks includes a run-in area and a data area. In the run-in area, a prescribed run-in bit pattern is recordable; and in the data area, bit patterns having a plurality of bit lengths obtained by modulating data as a recording target in accordance with a prescribed modulation rule are recordable. In this optical disc, at least one of spatial frequencies corresponding to the bit patterns having the plurality of bit lengths is higher than a cutoff frequency. The run-in bit pattern recordable in the run-in area includes the bit patterns having the plurality of bit lengths, from which the bit pattern corresponding to the frequency higher than the OTF cutoff frequency has been excluded.
摘要翻译：提供了即使当光盘的记录密度增加时也允许稳定地执行数据再现的运行区域的大图案。根据本发明的光盘包括被分成多个记录块的轨道。多个块中的每一个都包括导入区和数据区。在跑步区域，可以记录规定的磨合位图案; 并且在数据区域中，可以记录具有根据规定的调制规则通过调制作为记录目标的数据而获得的多个位长度的位模式。在该光盘中，对应于具有多个位长度的位模式的空间频率中的至少一个高于截止频率。可以在导入区域中记录的流入位模式包括具有多个比特长度的比特模式，从而排除与高于OTF截止频率的频率对应的比特模式。

27. 发明授权

US07869338B2 Position detection device, position detection method, position detection control device, position detection control method, position detection control program, access authentication device, access authentication method, access authentication control device, access authentication control method, access authentication control program, information storage device, and optical disk 有权
标题翻译：位置检测装置，位置检测方法，位置检测控制装置，位置检测控制方法，位置检测控制程序，接入认证装置，接入认证方法，接入认证控制装置，接入认证控制方法，接入认证控制程序，信息存储装置，和光盘
公开(公告)号：US07869338B2
公开(公告)日：2011-01-11
申请号：US11884840
申请日：2006-02-21
申请人： Harumitsu Miyashita , Toyoji Gushima , Akira Muto , Masaru Yamaoka
发明人： Harumitsu Miyashita , Toyoji Gushima , Akira Muto , Masaru Yamaoka
IPC分类号： G11B7/00
CPC分类号： G11B23/30 , G06F21/10 , G06F21/6209 , G06F21/80 , G06F2221/2121 , G06F2221/2135 , G11B19/12 , G11B20/00086 , G11B20/00173 , G11B20/00797 , G11B20/00876 , G11B23/0042 , G11B23/283 , G11B23/286 , G11B2220/2562
摘要： A position detection device, a position detection method, a position detection control device, a position detection control method, a position detection control program, an access authentication device, an access authentication method, an access authentication control device, an access authentication control method, an access authentication control program, an information storage device, and an optical disk are provided, all of which make it possible to prevent illegal copying of the information recorded in a recording medium.An information recording/playback device detects the position on an optical disk of an RFID tag provided to the optical disk, and writes the detected position on the optical disk of the RFID tag into the RFID tag as the position information.
摘要翻译：位置检测装置，位置检测方法，位置检测控制装置，位置检测控制方法，位置检测控制程序，访问认证装置，访问认证方法，访问认证控制装置，访问认证控制方法，提供了访问认证控制程序，信息存储装置和光盘，所有这些都能够防止记录在记录介质中的信息的非法复制。信息记录/重放装置检测提供给光盘的RFID标签的光盘上的位置，并将检测到的位置写入RFID标签的光盘作为位置信息。

28. 发明授权

US07869327B2 Phase error detecting device, waveform shaping device and optical disc device 有权
标题翻译：相位误差检测装置，波形整形装置和光盘装置
公开(公告)号：US07869327B2
公开(公告)日：2011-01-11
申请号：US12343894
申请日：2008-12-24
申请人： Harumitsu Miyashita , Kohei Nakata
发明人： Harumitsu Miyashita , Kohei Nakata
IPC分类号： G11B27/36
CPC分类号： G11B20/10009 , G11B20/10046 , G11B20/10222 , G11B20/10296 , G11B20/10481 , G11B2220/2541
摘要： A waveform shaping portion receives a digital reproduced signal generated from an analog reproduced signal reproduced from an information recording medium and shapes the waveform of the digital reproduced signal. A maximum likelihood decoding portion applies maximum likelihood decoding to the digital reproduced signal in the shaped waveform and generates a binarized signal indicating the result of the maximum likelihood decoding. A phase detection portion extracts, during the maximum likelihood decoding, a phase error using state transition patterns having only a single zero cross point among differential metrics at a plurality of merging points at which a set of paths branched from a given state merges. A synchronization detection portion generates a reproduction clock signal using the phase error that has been detected and brings the digital reproduced signal into synchronization with the reproduction clock signal that has been generated. This configuration makes it possible to generate a reproduction clock signal in a stable manner.
摘要翻译：波形整形部分接收从信息记录介质再现的模拟再现信号产生的数字再生信号，并对数字再现信号的波形进行整形。最大似然解码部分对成形波形中的数字再现信号应用最大似然解码，并生成指示最大似然解码结果的二值化信号。相位检测部分在最大似然解码期间使用在从给定状态分支的一组路径合并的多个合并点处的差分度量中仅具有单个零交叉点的状态转换模式来提取相位误差。同步检测部分使用已经检测到的相位误差来产生再现时钟信号，并使数字再现信号与已经产生的再现时钟信号同步。该配置使得可以以稳定的方式产生再现时钟信号。

29. 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。

30. 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。

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