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31. 发明授权

US07095696B2 Recording/reproducing device 有权
标题翻译：记录/再现装置
公开(公告)号：US07095696B2
公开(公告)日：2006-08-22
申请号：US10473307
申请日：2002-04-05
申请人： Takeshi Nakajima , Harumitsu Miyashita , Toshiya Akagi , Shinichi Konishi
发明人： Takeshi Nakajima , Harumitsu Miyashita , Toshiya Akagi , Shinichi Konishi
IPC分类号： G11B5/09
CPC分类号： G11B7/126 , G11B7/00 , G11B7/00456 , G11B7/006 , G11B20/10009 , G11B20/1426
摘要： A recording/producing device for writing data on a recording medium, or reading data from the recording medium, wherein data matching a recording pattern so specified as to include a plurality of mutually different sets of mark lengths and space lengths is written on the recording medium, and the data is then read to generate data signals. An edge shift detector uses data signals to measure the edge shift amount of a mark formed on a recording medium for each set of a mark length and a space length. A record controller sets a recording parameter for each set of a mark length and a space length based on the measured edge shift amount.
摘要翻译：一种用于在记录介质上写入数据或从记录介质读取数据的记录/产生装置，其中将与指定为包括多个相互不同的多个标记长度和间隔长度的记录图案匹配的数据被写入记录介质，然后读取数据以产生数据信号。边缘移位检测器使用数据信号来测量形成在记录介质上的每个标记长度和间隔长度的标记的边缘移位量。记录控制器基于所测量的边缘偏移量为每组标记长度和空间长度设置记录参数。

32. 发明申请

US20060153041A1 Frequency and phase control apparatus and maximum likelihood decoder 有权
公开(公告)号：US20060153041A1
公开(公告)日：2006-07-13
申请号：US10532468
申请日：2003-10-20
申请人： Harumitsu Miyashita , Takeshi Nakajima , Naohiro Kimura
发明人： Harumitsu Miyashita , Takeshi Nakajima , Naohiro Kimura
IPC分类号： G11B20/10
CPC分类号： G11B27/3027 , G11B20/10009 , G11B20/10037 , G11B20/10055 , G11B20/10222 , G11B20/10425 , G11B2020/1288 , G11B2220/2541 , G11B2220/2562 , H03L7/091 , H03L7/107 , H04L7/033 , H04L7/041
摘要： A frequency and phase control apparatus includes an analog/digital conversion section for converting a reproduction signal into a multiple bit digital signal based on a clock signal; a maximum likelihood decoding section for converting the multiple bit digital signal into a binary signal; a pattern detection section for detecting a pattern of the binary signal; and a determination section for determining whether or not the multiple bit digital signal and the clock signal are in synchronization with each other based on the detection result. When the determination result of the determination section indicates that the multiple bit digital signal and the clock signal are in synchronization with each other, the maximum likelihood decoding section generates a binary signal based on a first state transition rule; otherwise, the maximum likelihood decoding section generates a binary signal based on a second state transition rule.

33. 发明授权

US07038869B2 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：US07038869B2
公开(公告)日：2006-05-02
申请号：US10823264
申请日：2004-04-13
申请人： Harumitsu Miyashita , Takeshi Nakajima , Naohiro Kimura
发明人： Harumitsu Miyashita , Takeshi Nakajima , Naohiro Kimura
IPC分类号： G11B5/035 , 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。

34. 发明授权

US06735160B1 Optical disc, and recording apparatus, recording method, and reproducing apparatus for the same 有权
标题翻译：光盘，记录装置，记录方法和再现装置
公开(公告)号：US06735160B1
公开(公告)日：2004-05-11
申请号：US09609317
申请日：2000-06-30
申请人： Harumitsu Miyashita , Hiromichi Ishibashi , Shinichi Tanaka , Takashi Yumiba
发明人： Harumitsu Miyashita , Hiromichi Ishibashi , Shinichi Tanaka , Takashi Yumiba
IPC分类号： G11B700
CPC分类号： G11B20/0021 , G11B7/24085 , G11B20/00086 , G11B20/00166 , G11B20/00586 , G11B20/1403
摘要： An optical disc recording apparatus records a digital content onto an optical disc so that the perfect copying of the digital content is difficult without proper authorization. The optical disc recording apparatus includes a formatter for generating a channel signal corresponding to primary digital information, a secret key storing unit for prestoring secondary digital information, a pseudo random number generator for generating a pseudo random number series, an XOR for logically inverting the pseudo random number series according to each bit of the secondary digital information, a PE modulator for generating a PE modulation signal according to the logically inverted pseudo random number series, a phase modulator for modulating the phase of each edge of the channel signal by a fixed slight time according to the value of the PE modulation signal, and a recording channel for forming recording marks on a DVD according to the modulated channel signal.
摘要翻译：光盘记录装置将数字内容记录到光盘上，使得在没有适当授权的情况下数字内容的完美复制是困难的。光盘记录装置包括用于产生对应于主数字信息的信道信号的格式器，用于预存次数字信息的秘密密钥存储单元，用于产生伪随机数序列的伪随机数发生器，用于逻辑反转伪随机数序列的伪异或根据第二数字信息的每一位的随机数序列，用于根据逻辑反相伪随机数序列产生PE调制信号的PE调制器，用于通过固定的微调对通道信号的每个边沿的相位进行调制的相位调制器根据PE调制信号的值的时间，以及根据调制信道信号在DVD上形成记录标记的记录通道。

35. 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。

36. 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.

37. 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。

38. 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。

39. 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。

40. 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。

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