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1. 发明授权

US06653952B2 Modulation method, modulation apparatus, demodulation method, demodulation apparatus, information recording medium, information transmission method, and information transmission apparatus 有权
标题翻译：调制方法，调制装置，解调方法，解调装置，信息记录介质，信息发送方法和信息发送装置
公开(公告)号：US06653952B2
公开(公告)日：2003-11-25
申请号：US10160023
申请日：2002-06-04
申请人： Atsushi Hayami , Toshio Kuroiwa , Tsuyoshi Oki
发明人： Atsushi Hayami , Toshio Kuroiwa , Tsuyoshi Oki
IPC分类号： H03M700
CPC分类号： H03M5/145 , G11B20/1426 , G11B2020/1282 , G11B2020/1284 , G11B2020/143 , G11B2020/1457 , H03M7/46
摘要： There is disclosed a modulation method in which a four bit unit of a plurality of continuous input data words is encoded into a six bit unit of a plurality of continuous output code words by referring to a plurality of coding tables including output code words corresponding to input data words, and coding table designation information in which a coding table for use in encoding the next input data word is designated. The plurality of coding tables includes at least a first coding table and a second coding table, and first and second signals respectively obtained by subjecting a first output code word of said first coding table corresponding to a predetermined input data word and a second output code word of said second coding table corresponding to said predetermined input data word to NRZI modulation are reverse to each other in polarity. Further, in particular, two redundant bits are inserted into the plurality of continuous output code words for each predetermined number of corresponding data words. Even with such redundant bits, a DSV control is performed in any section, k satisfies 9 in a (1, k) RLL rule, and a repetition frequency of a minimum run is limited.
摘要翻译：公开了一种调制方法，其中通过参考包括与输入对应的输出代码字的多个编码表，将多个连续输入数据字中的四位单位编码为多个连续输出代码字的六位单元数据字和编码表指定信息，其中指定用于编码下一个输入数据字的编码表。多个编码表至少包括第一编码表和第二编码表，以及分别通过对与预定输入数据字对应的所述第一编码表的第一输出代码字和第二输出代码字对应于所述预定输入数据字到NRZI调制的所述第二编码表的极性相反。此外，特别地，对于每个预定数量的相应数据字，两个冗余比特被插入到多个连续输出码字中。即使使用这样的冗余比特，在任何部分都执行DSV控制，在（1，k）RLL规则中k满足9，并且限制最小运行的重复频率。

2. 发明授权

US07016286B2 Digital signal modulation method, digital signal modulation apparatus, encoding method, encoding apparatus, storage medium, transmission apparatus and program 失效
公开(公告)号：US07016286B2
公开(公告)日：2006-03-21
申请号：US10178619
申请日：2002-06-25
申请人： Atsushi Hayami , Tsuyoshi Oki , Toshio Kuroiwa
发明人： Atsushi Hayami , Tsuyoshi Oki , Toshio Kuroiwa
IPC分类号： G11B5/09
CPC分类号： H03M5/145 , G11B20/1426
摘要： First and second synchronous words having respective numbers of times of inversion different from each other in NRZI conversion are generated in a synchronous word generation portion, and first and second code word series data are generated by arranging code word data generated making reference to a run-length coding table after these two synchronous words. With respect to the first and second code word series data, DSV calculation results stored in two DSV calculation peak value memories corresponding to these data are compared with each other by a peak value comparison portion. Based on a comparison result, the code word series data having a smaller direct-current component generated in NRZI conversion is selected.

3. 发明授权

US06577255B2 Method and apparatus for encoding digital data 有权
标题翻译：用于编码数字数据的方法和装置
公开(公告)号：US06577255B2
公开(公告)日：2003-06-10
申请号：US10270537
申请日：2002-10-16
申请人： Atsushi Hayami , Toshio Kuroiwa
发明人： Atsushi Hayami , Toshio Kuroiwa
IPC分类号： H03M700
CPC分类号： H03M5/145 , G11B20/1426 , G11B20/18 , G11B2020/1457 , H03M7/46
摘要： Encoding tables are accorded with variable-length encoding rules using a variable constraint length. A DSV control bit is periodically inserted into a first input bit stream to generate a second input bit stream. Every m-bit piece of the second input bit stream is encoded into an n-bit output signal forming at least a portion of an output code word by referring to the encoding tables. Thereby, the second input bit stream is converted into a first output bit stream composed of output code words and observing RLL (d, k). A sync word is inserted into the first output bit stream for every frame to generate a second output bit stream. A frame-end output code word is terminated at a position before a next-frame sync word. DSV control of the second output bit stream is implemented in response to the inserted DSV control bits.
摘要翻译：编码表符合使用可变约束长度的可变长度编码规则。周期性地将DSV控制位插入到第一输入位流中以产生第二输入位流。通过参照编码表将第二输入比特流的每个m位片段编码成形成输出码字的至少一部分的n位输出信号。由此，第二输入比特流被转换成由输出码字组成的第一输出比特流并观察RLL（d，k）。对于每一帧，将同步字插入到第一输出比特流中以产生第二输出比特流。帧结束输出码字在下一帧同步字之前的位置终止。响应于插入的DSV控制位来实现第二输出位流的DSV控制。

4. 发明授权

US06686855B2 Computer program for encoding digital data 有权
标题翻译：用于编码数字数据的计算机程序
公开(公告)号：US06686855B2
公开(公告)日：2004-02-03
申请号：US10400500
申请日：2003-03-28
申请人： Atsushi Hayami , Toshio Kuroiwa
发明人： Atsushi Hayami , Toshio Kuroiwa
IPC分类号： H03M700
CPC分类号： H03M5/145 , G11B20/1426 , G11B20/18 , G11B2020/1457 , H03M7/46
摘要： Encoding tables are accorded with variable-length encoding rules using a variable constraint length. A DSV control bit is periodically inserted into a first input bit stream to generate a second input bit stream. Every m-bit piece of the second input bit stream is encoded into an n-bit output signal forming at least a portion of an output code word by referring to the encoding tables. Thereby, the second input bit stream is converted into a first output bit stream composed of output code words and observing RLL (d, k). A sync word is inserted into the first output bit stream for every frame to generate a second output bit stream. A frame-end output code word is terminated at a position before a next-frame sync word. DSV control of the second output bit stream is implemented in response to the inserted DSV control bits.
摘要翻译：编码表符合使用可变约束长度的可变长度编码规则。周期性地将DSV控制位插入到第一输入位流中以产生第二输入位流。通过参照编码表将第二输入比特流的每个m位片段编码成形成输出码字的至少一部分的n位输出信号。由此，第二输入比特流被转换成由输出码字组成的第一输出比特流并观察RLL（d，k）。对于每一帧，将同步字插入到第一输出比特流中以产生第二输出比特流。帧结束输出码字在下一帧同步字之前的位置终止。响应于插入的DSV控制位来实现第二输出位流的DSV控制。

5. 发明申请

US20100005364A1 ENCODING METHOD, ENCODING APPARATUS, DECODING METHOD, AND DECODING APPARATUS USING BLOCK CODE 审中-公开
标题翻译：编码方法，编码设备，解码方法和使用块代码解码设备
公开(公告)号：US20100005364A1
公开(公告)日：2010-01-07
申请号：US12496468
申请日：2009-07-01
申请人： Seiji Higurashi , Masayoshi Nishitani , Toshio Kuroiwa
发明人： Seiji Higurashi , Masayoshi Nishitani , Toshio Kuroiwa
IPC分类号： H03M13/00 , G06F11/10
CPC分类号： H03M13/2945 , H03M13/1515 , H03M13/2906
摘要： An input unit receives an information sequence. A first encoding unit performs at least a portion of a block encoding process on the information sequence to generate a first code sequence. A second encoding unit performs the block encoding process on a first check symbol sequence in the generated first code sequence to generate a second code sequence. A generating unit combines a second check symbol sequence in the generated second code sequence with the input information sequence to generate a third code sequence.
摘要翻译：输入单元接收信息序列。第一编码单元对信息序列执行块编码处理的至少一部分以生成第一代码序列。第二编码单元对所生成的第一代码序列中的第一检查符号序列执行块编码处理，以生成第二代码序列。生成单元将生成的第二代码序列中的第二检查符号序列与输入信息序列组合以生成第三代码序列。

6. 发明授权

US07558159B2 Recorder and recording medium 有权
标题翻译：记录仪和记录介质
公开(公告)号：US07558159B2
公开(公告)日：2009-07-07
申请号：US11442252
申请日：2006-05-30
申请人： Toshio Kuroiwa , Masayoshi Nishitani
发明人： Toshio Kuroiwa , Masayoshi Nishitani
IPC分类号： G11B7/085
CPC分类号： G11B27/329 , G11B2020/1277
摘要： Each record of a file recording management table has three fields: Type, Contents, and Next Record Number. The Type field indicates whether the record is a “file name record” that has file name information in the Contents field or a “consecutive recording area record” that has position information on a consecutive recording area (position information on a positionally consecutive recording area) of file data in the Contents field. The records are linked and are recorded in one physical recording area as one file recording management table.
摘要翻译：文件记录管理表的每个记录有三个字段：类型，内容和下一个记录号。类型字段指示记录是否具有在内容字段中具有文件名信息的“文件名记录”或在连续记录区域上具有位置信息（位置连续记录区域的位置信息）的“连续记录区域记录” 的内容字段中的文件数据。记录被链接并被记录在一个物理记录区域中作为一个文件记录管理表。

7. 发明申请

US20070002698A1 Recorder, recording method, player, and playback method 审中-公开
标题翻译：记录器，记录方法，播放器和播放方法
公开(公告)号：US20070002698A1
公开(公告)日：2007-01-04
申请号：US11475968
申请日：2006-06-28
申请人： Masayoshi Nishitani , Toshio Kuroiwa , Seiji Higurashi
发明人： Masayoshi Nishitani , Toshio Kuroiwa , Seiji Higurashi
IPC分类号： G11B21/08
CPC分类号： G11B20/1803 , G11B7/00736 , G11B20/1217 , G11B2020/10537 , G11B2020/1232 , G11B2020/1267
摘要： Additional information including three types of information is recorded in an additional information recording area provided for each recording block. The additional information includes first identification information for identifying a file that includes a recording block; either next-recording-block recording position information specifying a next recording block that is a recording block configuring the same file and following the recording block or terminal information indicating that the recording block is the terminal recording block of the recording blocks that configure the same file; and second identification information indicating whether the recording block is the first recording block of the recording blocks configuring the same file.
摘要翻译：包含三种信息的附加信息被记录在为每个记录块提供的附加信息记录区域中。附加信息包括用于识别包括记录块的文件的第一识别信息; 下一记录块记录位置信息，其指定作为构成相同文件的记录块并跟随记录块的下一个记录块，或指示记录块是配置相同文件的记录块的终端记录块的终端信息 ; 以及第二识别信息，其指示记录块是否是构成相同文件的记录块的第一记录块。

8. 发明申请

US20060280084A1 Recorder and recording medium 有权
公开(公告)号：US20060280084A1
公开(公告)日：2006-12-14
申请号：US11442252
申请日：2006-05-30
申请人： Toshio Kuroiwa , Masayoshi Nishitani
发明人： Toshio Kuroiwa , Masayoshi Nishitani
IPC分类号： G11B7/00
CPC分类号： G11B27/329 , G11B2020/1277
摘要： Each record of a file recording management table has three fields: Type, Contents, and Next Record Number. The Type field indicates whether the record is a “file name record” that has file name information in the Contents field or a “consecutive recording area record” that has position information on a consecutive recording area (position information on a positionally consecutive recording area) of file data in the Contents field. The records are linked and are recorded in one physical recording area as one file recording management table.

9. 发明授权

US06891951B2 Cryptosystem-related method and apparatus 有权
标题翻译：密码系统相关方法和装置
公开(公告)号：US06891951B2
公开(公告)日：2005-05-10
申请号：US09733057
申请日：2000-12-11
申请人： Wataru Inoha , Takayuki Sugahara , Toshio Kuroiwa , Kenjiro Ueda , Seiji Higurashi
发明人： Wataru Inoha , Takayuki Sugahara , Toshio Kuroiwa , Kenjiro Ueda , Seiji Higurashi
IPC分类号： H01S3/034 , H01S3/036 , H01S3/038 , H01S3/07 , H01S3/08 , H01S3/086 , H04L9/06 , H04L9/08 , H04L9/32 , H04L9/14
CPC分类号： H04L9/0618 , H04L2209/30 , H04L2209/603
摘要： Bits of a first bit sequence are rearranged in a first matrix according to a predetermined arrangement rule. The first bit sequence represents information being a base of a key. Blocks are formed in the first matrix. Each of the blocks has bits, the number of which is smaller than the number of bits composing the first matrix. Logical operation is executed among bits in each of the blocks, and a bit being a result of the logical operation is generated. The logical-operation-result bits are combined into a second bit sequence. The number of bits composing the second bit sequence is smaller than the number of bits composing the first bit sequence. There is a second matrix composed of predetermined third bit sequences. The second matrix is accessed and one is read out from among the third bit sequences in response to the second bit sequence. The read-out third bit sequence is outputted as information representative of the key. The number of bits composing each of the third bit sequences is smaller than the number of bits composing the second bit sequence.
摘要翻译：根据预定的布置规则，第一比特序列的比特重新排列在第一矩阵中。第一位序列表示作为键的基础的信息。块形成在第一矩阵中。每个块具有位数，其数量小于构成第一矩阵的位数。在每个块中的位之间执行逻辑运算，并且生成作为逻辑运算结果的位。逻辑运算结果位被组合成第二位序列。构成第二比特序列的比特数小于构成第一比特序列的比特数。存在由预定的第三比特序列组成的第二矩阵。第二矩阵被访问，并且响应于第二比特序列从第三比特序列中读出一个。作为代表键的信息输出读出的第3位序列。构成每个第三比特序列的比特数小于构成第二比特序列的比特数。

10. 发明授权

US07761868B2 Information recording method and optical disk 有权
标题翻译：信息记录方法和光盘
公开(公告)号：US07761868B2
公开(公告)日：2010-07-20
申请号：US11245094
申请日：2005-10-07
申请人： Hirotoshi Ohno , Toshio Kuroiwa
发明人： Hirotoshi Ohno , Toshio Kuroiwa
IPC分类号： G06F9/445
CPC分类号： G11B20/1262 , G11B27/034 , G11B27/105 , G11B27/329 , G11B27/34 , G11B2220/216 , G11B2220/218 , G11B2220/2545 , G11B2220/2562 , G11B2220/2583
摘要： A once-recordable optical disk has a data recorded area in which application software for creating an information group and a first file system are prerecorded. The application software is readable with the first file system and is used to select desired ones from among information pieces stored in a personal computer and form the information group. According to instructions from the application software, a second file system and the information group readable with the second file system are written in a blank area of the optical disk. After the creation of the information group, the application software and first file system in the optical disk are disabled so that they are unreadable with the second file system.
摘要翻译：一次可记录的光盘具有数据记录区域，其中用于创建信息组和第一文件系统的应用软件被预先记录。该应用软件可与第一文件系统一起读取，并且用于从存储在个人计算机中的信息中选择所需的应用软件，并形成信息组。根据应用软件的指示，将第二文件系统和可与第二文件系统一起读取的信息组写入光盘的空白区域。在创建信息组之后，光盘中的应用软件和第一文件系统被禁用，使得它们与第二文件系统不可读。

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