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1. 发明授权

US07636287B2 Reproduced signal equalizing method for optical information media and optical information reproducing/recording apparatus 失效
标题翻译：用于光信息介质和光信息再现/记录装置的再现信号均衡方法
公开(公告)号：US07636287B2
公开(公告)日：2009-12-22
申请号：US10822374
申请日：2004-04-12
申请人： Shuichi Ohkubo , Hiromi Honma , Masatsugu Ogawa , Masaki Nakano , Toshiaki Iwanaga , Yutaka Kashihara , Yuji Nagai , Akihito Ogawa
发明人： Shuichi Ohkubo , Hiromi Honma , Masatsugu Ogawa , Masaki Nakano , Toshiaki Iwanaga , Yutaka Kashihara , Yuji Nagai , Akihito Ogawa
IPC分类号： G11B7/005 , G11B7/00
CPC分类号： G11B20/10009 , G11B20/10046 , G11B20/10055 , G11B20/1012 , G11B20/10296 , G11B20/10481 , G11B2020/1288 , G11B2220/2541
摘要： Reproduced signals are equalized by the least square technique by using a predetermined number of data samples binarized by a Viterbi decoder. Even when data written on an optical disk is unknown, the data can be equalized in a stable manner and can be reproduced at a low error rate without instability factors such as divergence due to interference.
摘要翻译：通过使用由维特比解码器二值化的预定数量的数据样本，通过最小二乘法来再现信号。即使在光盘上写入的数据未知的情况下，数据也可以以稳定的方式进行均衡，并且能够以低错误率再现，而不会引起由于干扰引起的发散等不稳定因素。

2. 发明授权

US07522504B2 Signal quality evaluation method, information recording/reproducing system, and recording compensation method 失效
标题翻译：信号质量评估方法，信息记录/再现系统和记录补偿方法
公开(公告)号：US07522504B2
公开(公告)日：2009-04-21
申请号：US11418245
申请日：2006-05-05
申请人： Yutaka Kashihara , Yuji Nagai , Akihito Ogawa
发明人： Yutaka Kashihara , Yuji Nagai , Akihito Ogawa
IPC分类号： G11B11/00
CPC分类号： G11B20/10009 , G11B7/0062 , G11B7/00736 , G11B20/10055 , G11B20/10481
摘要： Signal quality evaluation is performed using a predetermined reproduction signal, a first pattern corresponding to a signal waveform pattern of the reproduction signal, and a given pattern corresponding to the signal waveform pattern of the reproduction signal and being different from the first pattern.
摘要翻译：使用预定的再现信号，对应于再现信号的信号波形图案的第一图案和与再现信号的信号波形图案对应的给定图案，并且与第一图案不同，执行信号质量评估。

3. 发明申请

US20070153661A1 STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD 有权
公开(公告)号：US20070153661A1
公开(公告)日：2007-07-05
申请号：US11563768
申请日：2006-11-28
申请人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
发明人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
IPC分类号： G11B20/12
CPC分类号： G11B7/00736 , G11B7/00454 , G11B7/00456 , G11B7/0053 , G11B7/24076 , G11B7/24079 , G11B7/24082 , G11B7/246 , G11B7/2467 , G11B7/2472 , G11B7/2492 , G11B7/2533 , G11B7/2534 , G11B7/256 , G11B7/259 , G11B20/10 , G11B20/12 , G11B20/1217 , G11B20/1883 , G11B20/1889 , G11B27/24 , G11B27/329 , G11B2220/20 , G11B2220/218
摘要： According to one embodiment, a storage medium includes a burst cutting area at an inner periphery, wherein the burst cutting area has includes plural burst-cutting-area data areas.

4. 发明授权

US07408858B2 Information storage medium including a system lead-in area, a connection area, a data lead-in area and a data area 有权
标题翻译：包括系统导入区，连接区，数据导入区和数据区的信息存储介质
公开(公告)号：US07408858B2
公开(公告)日：2008-08-05
申请号：US11563739
申请日：2006-11-28
申请人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
发明人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
IPC分类号： G11B11/03
CPC分类号： G11B7/00736 , G11B7/00454 , G11B7/00456 , G11B7/0053 , G11B7/24076 , G11B7/24079 , G11B7/24082 , G11B7/246 , G11B7/2467 , G11B7/2472 , G11B7/2492 , G11B7/2533 , G11B7/2534 , G11B7/256 , G11B7/259 , G11B20/10 , G11B20/12 , G11B20/1217 , G11B20/1883 , G11B20/1889 , G11B27/24 , G11B27/329 , G11B2220/20 , G11B2220/218
摘要： According to one embodiment, a storage medium includes a burst cutting area at an inner periphery, wherein the burst cutting area has includes plural burst-cutting-area data areas.
摘要翻译：根据一个实施例，存储介质包括在内周的突发切割区域，其中突发切割区域包括多个突发切割区域数据区域。

5. 发明授权

US07352682B2 Storage medium including a burst cutting area (BCA) 失效
标题翻译：存储介质包括突发切割区域（BCA）
公开(公告)号：US07352682B2
公开(公告)日：2008-04-01
申请号：US11548159
申请日：2006-10-10
申请人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
发明人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
IPC分类号： G11B7/24
CPC分类号： G11B7/00736 , G11B7/00454 , G11B7/00456 , G11B7/0053 , G11B7/24076 , G11B7/24079 , G11B7/24082 , G11B7/246 , G11B7/2467 , G11B7/2472 , G11B7/2492 , G11B7/2533 , G11B7/2534 , G11B7/256 , G11B7/259 , G11B20/10 , G11B20/12 , G11B20/1217 , G11B20/1883 , G11B20/1889 , G11B27/24 , G11B27/329 , G11B2220/20 , G11B2220/218
摘要： According to one embodiment, a storage medium includes a burst cutting area at an inner periphery, wherein the burst cutting area has includes plural burst-cutting-area data areas.
摘要翻译：根据一个实施例，存储介质包括在内周的突发切割区域，其中突发切割区域包括多个突发切割区域数据区域。

6. 发明申请

US20070104080A1 STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD 失效
公开(公告)号：US20070104080A1
公开(公告)日：2007-05-10
申请号：US11548159
申请日：2006-10-10
申请人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
发明人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
IPC分类号： G11B3/70 , G11B15/52
CPC分类号： G11B7/00736 , G11B7/00454 , G11B7/00456 , G11B7/0053 , G11B7/24076 , G11B7/24079 , G11B7/24082 , G11B7/246 , G11B7/2467 , G11B7/2472 , G11B7/2492 , G11B7/2533 , G11B7/2534 , G11B7/256 , G11B7/259 , G11B20/10 , G11B20/12 , G11B20/1217 , G11B20/1883 , G11B20/1889 , G11B27/24 , G11B27/329 , G11B2220/20 , G11B2220/218
摘要： According to one embodiment, a storage medium includes a burst cutting area at an inner periphery, wherein the burst cutting area has includes plural burst-cutting-area data areas.

7. 发明授权

US07139231B2 Information recording and reproducing apparatus, evaluation method, and information recording and reproducing medium 有权
公开(公告)号：US07139231B2
公开(公告)日：2006-11-21
申请号：US10387134
申请日：2003-03-13
申请人： Yuji Nagai , Yutaka Kashihara , Akihito Ogawa
发明人： Yuji Nagai , Yutaka Kashihara , Akihito Ogawa
IPC分类号： G11B20/10
CPC分类号： G11B20/1816 , G11B7/0062 , G11B20/10009 , G11B20/10111
摘要： An evaluation method for calculating an identification signal by using PRML, comprises a table storing true patterns and ideal signals thereof, false patterns corresponding to the true patterns and ideal signals thereof, and Euclidean distance between the true pattern and the false pattern, a calculating unit, when a recording signal synchronized with an identification signal coincides with any pattern of the table, calculates a distance between Euclidean distance between the ideal signal of the true pattern and a reproduction signal and Euclidean distance between the ideal signal of the false pattern and a reproduction signal, and an evaluation unit which evaluates an identification signal by using an average and standard deviation of difference. A table for patterns is created for a likely mistaken pattern, whereby calculating an evaluation value with high precision, of a signal quality, with a small amount of calculation.

8. 发明申请

US20070091784A1 STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD 失效
公开(公告)号：US20070091784A1
公开(公告)日：2007-04-26
申请号：US11563950
申请日：2006-11-28
申请人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
发明人： Hideo Ando , Yutaka Kashihara , Akihito Ogawa , Sumitaka Maruyama , Yuji Nagai
IPC分类号： G11B7/24
CPC分类号： G11B7/00736 , G11B7/00454 , G11B7/00456 , G11B7/0053 , G11B7/24076 , G11B7/24079 , G11B7/24082 , G11B7/246 , G11B7/2467 , G11B7/2472 , G11B7/2492 , G11B7/2533 , G11B7/2534 , G11B7/256 , G11B7/259 , G11B20/10 , G11B20/12 , G11B20/1217 , G11B20/1883 , G11B20/1889 , G11B27/24 , G11B27/329 , G11B2220/20 , G11B2220/218
摘要： According to one embodiment, a storage medium includes a burst cutting area at an inner periphery, wherein the burst cutting area has includes plural burst-cutting-area data areas.

9. 发明申请

US20060280093A1 Information recording and reproducing apparatus, evaluation method, and information recording and reproducing medium 失效
标题翻译：信息记录和再现装置，评估方法和信息记录和再现介质
公开(公告)号：US20060280093A1
公开(公告)日：2006-12-14
申请号：US11501705
申请日：2006-08-10
申请人： Yuji Nagai , Yutaka Kashihara , Akihito Ogawa
发明人： Yuji Nagai , Yutaka Kashihara , Akihito Ogawa
IPC分类号： G11B5/09
CPC分类号： G11B20/1816 , G11B7/0062 , G11B20/10009 , G11B20/10111
摘要： An evaluation method for calculating an identification signal by using PRML, comprises a table storing true patterns and ideal signals thereof, false patterns corresponding to the true patterns and ideal signals thereof, and Euclidean distance between the true pattern and the false pattern, a calculating unit, when a recording signal synchronized with an identification signal coincides with any pattern of the table, calculates a distance between Euclidean distance between the ideal signal of the true pattern and a reproduction signal and Euclidean distance between the ideal signal of the false pattern and a reproduction signal, and an evaluation unit which evaluates an identification signal by using an average and standard deviation of difference. A table for patterns is created for a likely mistaken pattern, whereby calculating an evaluation value with high precision, of a signal quality, with a small amount of calculation.
摘要翻译：一种用于通过使用PRML来计算识别信号的评估方法，包括存储真实图案及其理想信号的表，与其真实图案和理想信号相对应的伪图案，以及真图案与假图案之间的欧氏距离，计算单元当与识别信号同步的记录信号与表格的任何图形一致时，计算真实图案的理想信号与再现信号之间的欧几里德距离与假图案的理想信号之间的欧几里德距离与再现信号和评估单元，其通过使用差的平均和标准差来评估识别信号。创建用于模式的表格用于可能的错误模式，由此以较少的计算量以高精度计算信号质量的评估值。

10. 发明申请

US20060203679A1 Signal quality evaluation method, information recording/reproducing system, and recording compensation method 失效
公开(公告)号：US20060203679A1
公开(公告)日：2006-09-14
申请号：US11418245
申请日：2006-05-05
申请人： Yutaka Kashihara , Yuji Nagai , Akihito Ogawa
发明人： Yutaka Kashihara , Yuji Nagai , Akihito Ogawa
IPC分类号： G11B20/10
CPC分类号： G11B20/10009 , G11B7/0062 , G11B7/00736 , G11B20/10055 , G11B20/10481
摘要： Signal quality evaluation is performed using a predetermined reproduction signal, a first pattern corresponding to a signal waveform pattern of the reproduction signal, and a given pattern corresponding to the signal waveform pattern of the reproduction signal and being different from the first pattern.

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