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1. 发明申请

US20110032806A1 OPTICAL DISC AND OPTICAL DISC APPARATUS 失效
标题翻译：光盘和光盘设备
公开(公告)号：US20110032806A1
公开(公告)日：2011-02-10
申请号：US12788899
申请日：2010-05-27
申请人： Shinji FUJITA , Takakiyo Yasukawa , Kenji Akahoshi , Koichiro Nishimura
发明人： Shinji FUJITA , Takakiyo Yasukawa , Kenji Akahoshi , Koichiro Nishimura
IPC分类号： G11B20/10
CPC分类号： G11B20/1252 , G11B7/0037 , G11B7/00456 , G11B7/00736 , G11B2007/0013 , G11B2020/1265 , G11B2220/2541
摘要： An optical disc recording method for recording disc information to be used in recording/reproducing control on an optical disc, comprises the following steps of: providing a first disc information unit and a second disc information unit, each having a predetermined data size, in a predetermined management information area of the optical disc; the disc information includes write strategy information; separating the write strategy information into first write strategy information and second write strategy information; recording the first disc information into the first disc information unit; and recording the second disc information into the second disc information unit.
摘要翻译：一种用于记录用于在光盘上进行记录/再现控制的盘信息的光盘记录方法，包括以下步骤：在第一盘信息单元和第二盘信息单元中，每个具有预定的数据大小光盘的预定管理信息区域; 盘信息包括写策略信息; 将写入策略信息分离成第一写入策略信息和第二写入策略信息; 将第一盘信息记录到第一盘信息单元中; 并将第二盘信息记录到第二盘信息单元中。

2. 发明授权

US08493827B2 Optical disc and optical disc apparatus 失效
标题翻译：光盘和光盘装置
公开(公告)号：US08493827B2
公开(公告)日：2013-07-23
申请号：US12788899
申请日：2010-05-27
申请人： Shinji Fujita , Takakiyo Yasukawa , Kenji Akahoshi , Koichiro Nishimura
发明人： Shinji Fujita , Takakiyo Yasukawa , Kenji Akahoshi , Koichiro Nishimura
IPC分类号： G11B7/00
CPC分类号： G11B20/1252 , G11B7/0037 , G11B7/00456 , G11B7/00736 , G11B2007/0013 , G11B2020/1265 , G11B2220/2541
摘要： An optical disc recording method for recording disc information to be used in recording/reproducing control on an optical disc, comprises the following steps of: providing a first disc information unit and a second disc information unit, each having a predetermined data size, in a predetermined management information area of the optical disc; the disc information includes write strategy information; separating the write strategy information into first write strategy information and second write strategy information; recording the first disc information into the first disc information unit; and recording the second disc information into the second disc information unit.
摘要翻译：一种用于记录用于在光盘上进行记录/再现控制的盘信息的光盘记录方法，包括以下步骤：在第一盘信息单元和第二盘信息单元中，每个具有预定的数据大小光盘的预定管理信息区域; 盘信息包括写策略信息; 将写入策略信息分离成第一写入策略信息和第二写入策略信息; 将第一盘信息记录到第一盘信息单元中; 并将第二盘信息记录到第二盘信息单元中。

3. 发明申请

US20110051589A1 Optical Disc, Optical Disc Reproducing Apparatus, Optical Disc Apparatus, Reproducing Method and Recording Method 失效
标题翻译：光盘，光盘再现装置，光盘装置，再生方法及记录方法
公开(公告)号：US20110051589A1
公开(公告)日：2011-03-03
申请号：US12769477
申请日：2010-04-28
申请人： Takeyoshi Kataoka , Yoshinori Ishikawa , Yutaka Nagai , Kenji Akahoshi , Takakiyo Yasukawa
发明人： Takeyoshi Kataoka , Yoshinori Ishikawa , Yutaka Nagai , Kenji Akahoshi , Takakiyo Yasukawa
IPC分类号： G11B7/135 , G11B7/24 , G11B7/00
CPC分类号： G11B7/00736 , G11B7/0053 , G11B7/24038 , G11B2007/0006
摘要： Where a hybrid disc has different types of media, the light spot moves among recording layers of the different media, after loading the disc into an optical disc apparatus, there is a problem that information on a media type of each recording layer should be recorded in DI etc. of the optical disc. Detailed information on the hybrid disc is stored in DI, by changing a disc layer type identifier or a disc structure in DI such as BCA or PIC on the optical disc.
摘要翻译：在混合盘具有不同类型的介质的情况下，在将盘装载到光盘装置中之后，光斑在不同介质的记录层之间移动，存在每个记录层的介质类型的信息应记录在 DI等。通过在光盘上改变诸如BCA或PIC之类的DI中的光盘层类型标识符或光盘结构，将混合光盘的详细信息存储在DI中。

4. 发明授权

US08289822B2 Optical disc reproducing apparatus for implementing an optical recording and reproducing method for multi-layer optical discs 失效
标题翻译：用于实现用于多层光盘的光学记录和再现方法的光盘再现装置
公开(公告)号：US08289822B2
公开(公告)日：2012-10-16
申请号：US12769477
申请日：2010-04-28
申请人： Takeyoshi Kataoka , Yoshinori Ishikawa , Yutaka Nagai , Kenji Akahoshi , Takakiyo Yasukawa
发明人： Takeyoshi Kataoka , Yoshinori Ishikawa , Yutaka Nagai , Kenji Akahoshi , Takakiyo Yasukawa
IPC分类号： G11B21/08
CPC分类号： G11B7/00736 , G11B7/0053 , G11B7/24038 , G11B2007/0006
摘要： Where a hybrid disc has different types of media, the light spot moves among recording layers of the different media, after loading the disc into an optical disc apparatus, there is a problem that information on a media type of each recording layer should be recorded in DI etc. of the optical disc. Detailed information on the hybrid disc is stored in DI, by changing a disc layer type identifier or a disc structure in DI such as BCA or PIC on the optical disc.
摘要翻译：在混合盘具有不同类型的介质的情况下，在将盘装载到光盘装置中之后，光斑在不同介质的记录层之间移动，存在每个记录层的介质类型的信息应记录在 DI等。通过在光盘上改变诸如BCA或PIC之类的DI中的光盘层类型标识符或光盘结构，将混合光盘的详细信息存储在DI中。

5. 发明授权

US09286929B2 Multilayered optical disk and its recording method 有权
标题翻译：多层光盘及其记录方法
公开(公告)号：US09286929B2
公开(公告)日：2016-03-15
申请号：US12570106
申请日：2009-09-30
申请人： Harukazu Miyamoto , Koichi Watanabe , Yutaka Nagai , Koichiro Nishimura , Takakiyo Yasukawa
发明人： Harukazu Miyamoto , Koichi Watanabe , Yutaka Nagai , Koichiro Nishimura , Takakiyo Yasukawa
IPC分类号： G11B7/007 , G11B7/1267 , G11B7/24038 , G11B7/00
CPC分类号： G11B7/00736 , G11B7/1267 , G11B7/24038 , G11B2007/0013
摘要： A method for performing recording on a multilayered optical disk which has three or more recordable or rewritable information recording layers with a first recording layer and a second recording layer located nearer to a light incident surface than the first recording layer, and which respectively has a first test area configured by a plurality of segments in the first recording layer and in the second recording layer, wherein a predetermined radial distance L is defined beforehand. When an arbitrary segment in the second test area is test-recorded, a segment in the first test area, the radial distance of which from the recorded test area in the second test area is within the range of the predetermined radial distance L, is set as a segment in which test recording is not performed.
摘要翻译：一种用于在具有三个或更多个可记录或可重写信息记录层的多层光盘上执行记录的方法，所述信息记录层具有位于比第一记录层更靠近光入射表面的第一记录层和第二记录层，并且分别具有第一测试区域由第一记录层和第二记录层中的多个段构成，其中预先定义预定的径向距离L. 当对第二测试区域中的任意段进行测试记录时，将第一测试区域中与第二测试区域中记录的测试区域的径向距离设置在预定的径向距离L的范围内的段被设置作为不执行测试记录的段。

6. 发明授权

US08004957B2 Recording and reproducing method and recording and reproducing apparatus 有权
标题翻译：记录和再现方法以及记录和再现装置
公开(公告)号：US08004957B2
公开(公告)日：2011-08-23
申请号：US11751753
申请日：2007-05-22
申请人： Takakiyo Yasukawa , Koichi Watanabe , Koichiro Nishimura
发明人： Takakiyo Yasukawa , Koichi Watanabe , Koichiro Nishimura
IPC分类号： G11B7/00 , G11B20/10 , G11B5/09
CPC分类号： G11B7/1267 , G11B7/00456 , G11B7/0062
摘要： A recording and reproducing method has a recording pulse generating step of generating a recording pulse to set timing of a beam emitted from a laser according to data to be recorded on an information recording medium; a laser power control step of controlling a laser drive current according to a recording laser power; a beam detecting step of detecting a power of the beam emitted from the laser; a signal detecting step of detecting a signal level of a reproduction signal read out from the information recording medium; a step of binarizing the reproduction signal to generate a binarized signal; a step of generating a data signal synchronized with a reference clock signal with use of the binarized signal; and a step of detecting a shift in time interval between the binarized signal and the reference clock signal and feeding the shift back to the recording pulse.
摘要翻译：记录和再现方法具有记录脉冲产生步骤，根据要记录在信息记录介质上的数据产生记录脉冲，以设定从激光发射的光束的定时; 激光功率控制步骤，根据记录激光功率来控制激光驱动电流; 光束检测步骤，用于检测从激光器发射的光束的功率; 信号检测步骤，检测从信息记录介质读出的再现信号的信号电平; 将再现信号二值化以生成二值化信号的步骤; 使用二值化信号产生与参考时钟信号同步的数据信号的步骤; 以及检测二值化信号和参考时钟信号之间的时间间隔的偏移并将移位返回到记录脉冲的步骤。

7. 发明授权

US08284648B2 Optical disk recording apparatus 失效
标题翻译：光盘记录装置
公开(公告)号：US08284648B2
公开(公告)日：2012-10-09
申请号：US11940392
申请日：2007-11-15
申请人： Koichiro Nishimura , Junya Iizuka , Manabu Katsuki , Takakiyo Yasukawa
发明人： Koichiro Nishimura , Junya Iizuka , Manabu Katsuki , Takakiyo Yasukawa
IPC分类号： G11B27/30 , G11B3/00
CPC分类号： G11B20/10009 , G11B7/00458 , G11B20/10055 , G11B20/18
摘要： An optical disk apparatus is provided that has a signal processing circuit for equalizing a signal so as to achieve predetermined equalization, in which interference between codes is permitted, by means of an adaptive equalization circuit or the like, and for performing binarization by means of a maximum likelihood decoding circuit in which interference is performed as a rule, and thereby achieves stabilized signal reproduction in a narrow-band transmission. When evaluating the quality of the recorded signal through the use of the recording parameter learning and the reproduction system such as recorded signal verification, the optical disk recording apparatus is capable of highly precisely evaluating the quality of the recorded signal by fixing a circuit characteristic after suspending the optimization operation of the adaptive equalization circuit or the like for optimizing the characteristic by the reproduced signal. An optical disk recording method is also provided.
摘要翻译：提供一种具有信号处理电路的光盘装置，该信号处理电路用于对信号进行均衡，以便通过自适应均衡电路等实现允许代码之间的干扰的预定均衡，并且借助于通常执行干扰的最大似然解码电路，从而在窄带传输中实现稳定的信号再现。通过使用记录参数学习和诸如记录信号验证的再现系统来评估记录信号的质量时，光盘记录装置能够通过固定暂停后的电路特性来高精度地评估记录信号的质量用于通过再现信号优化特性的自适应均衡电路等的优化操作。还提供了一种光盘记录方法。

8. 发明申请

US20080137520A1 Recording and Reproducing Method and Recording and Reproducing Apparatus 有权
标题翻译：记录和再现方法和记录和再现装置
公开(公告)号：US20080137520A1
公开(公告)日：2008-06-12
申请号：US11751753
申请日：2007-05-22
申请人： Takakiyo Yasukawa , Koichi Watanabe , Koichiro Nishimura
发明人： Takakiyo Yasukawa , Koichi Watanabe , Koichiro Nishimura
IPC分类号： G11B7/00
CPC分类号： G11B7/1267 , G11B7/00456 , G11B7/0062
摘要： A recording and reproducing method has a recording pulse generating step of generating a recording pulse to set timing of a beam emitted from a laser according to data to be recorded on an information recording medium; a laser power control step of controlling a laser drive current according to a recording laser power; a beam detecting step of detecting a power of the beam emitted from the laser; a signal detecting step of detecting a signal level of a reproduction signal read out from the information recording medium; a step of binarizing the reproduction signal to generate a binarized signal; a step of generating a data signal synchronized with a reference clock signal with use of the binarized signal; and a step of detecting a shift in time interval between the binarized signal and the reference clock signal and feeding the shift back to the recording pulse.
摘要翻译：记录和再现方法具有记录脉冲产生步骤，根据要记录在信息记录介质上的数据产生记录脉冲，以设定从激光发射的光束的定时; 激光功率控制步骤，根据记录激光功率来控制激光驱动电流; 光束检测步骤，用于检测从激光器发射的光束的功率; 信号检测步骤，检测从信息记录介质读出的再现信号的信号电平; 将再现信号二值化以生成二值化信号的步骤; 使用二值化信号产生与参考时钟信号同步的数据信号的步骤; 以及检测二值化信号和参考时钟信号之间的时间间隔的偏移并将移位返回到记录脉冲的步骤。

9. 发明申请

US20080112289A1 Optical Disk Recording Apparatus and Optical Disk Recording Method 失效
标题翻译：光盘记录装置和光盘记录方法
公开(公告)号：US20080112289A1
公开(公告)日：2008-05-15
申请号：US11940392
申请日：2007-11-15
申请人： Koichiro NISHIMURA , Junya IIZUKA , Manabu Katsuki , Takakiyo Yasukawa
发明人： Koichiro NISHIMURA , Junya IIZUKA , Manabu Katsuki , Takakiyo Yasukawa
IPC分类号： G11B7/004 , G11B20/10 , G11B20/18
CPC分类号： G11B20/10009 , G11B7/00458 , G11B20/10055 , G11B20/18
摘要： An optical disk apparatus is provided that has a signal processing circuit for equalizing a signal so as to achieve predetermined equalization, in which interference between codes is permitted, by means of an adaptive equalization circuit or the like, and for performing binarization by means of a maximum likelihood decoding circuit in which interference is performed as a rule, and thereby achieves stabilized signal reproduction in a narrow-band transmission. When evaluating the quality of the recorded signal through the use of the recording parameter learning and the reproduction system such as recorded signal verification, the optical disk recording apparatus is capable of highly precisely evaluating the quality of the recorded signal by fixing a circuit characteristic after suspending the optimization operation of the adaptive equalization circuit or the like for optimizing the characteristic by the reproduced signal. An optical disk recording method is also provided.
摘要翻译：提供一种具有信号处理电路的光盘装置，该信号处理电路用于对信号进行均衡，以便通过自适应均衡电路等实现允许代码之间的干扰的预定均衡，并且借助于通常执行干扰的最大似然解码电路，从而在窄带传输中实现稳定的信号再现。通过使用记录参数学习和诸如记录信号验证的再现系统来评估记录信号的质量时，光盘记录装置能够通过固定暂停后的电路特性来高精度地评估记录信号的质量用于通过再现信号优化特性的自适应均衡电路等的优化操作。还提供了一种光盘记录方法。

10. 发明申请

US20110317535A1 Multilayered Optical Disk And Its Recording Method 审中-公开
标题翻译：多层光盘及其记录方法
公开(公告)号：US20110317535A1
公开(公告)日：2011-12-29
申请号：US13230290
申请日：2011-09-12
申请人： Harukazu Miyamoto , Koichi Watanabe , Yutaka Nagai , Koichiro Nishimura , Takakiyo Yasukawa
发明人： Harukazu Miyamoto , Koichi Watanabe , Yutaka Nagai , Koichiro Nishimura , Takakiyo Yasukawa
IPC分类号： G11B27/36 , G11B7/24
CPC分类号： G11B7/00736 , G11B7/1267 , G11B7/24038 , G11B2007/0013
摘要： A multilayered optical disk an information recording method and information reproducing method utilizing the disk includes three or more recordable or rewritable information recording layers, which has, among the plurality of information recording layers, at least a first recording layer and a second recording layer located on a side nearer to a light incident surface than the first recording layer, and which respectively has a first test area configured by a plurality of segments in the first recording layer, a second test area configured by a plurality of segments in the second recording layer, and comprising a specific area in which there is recorded information used to determine whether or not the respective segments in the first test area can be used.
摘要翻译：一种多层光盘，利用该盘的信息记录方法和信息再现方法包括三个或更多个可记录或可重写的信息记录层，它们在多个信息记录层之中至少存在第一记录层和位于比第一记录层更靠近光入射表面的一侧，分别具有由第一记录层中的多个段构成的第一测试区，由第二记录层中的多个段构成的第二测试区，并且包括其中存储有用于确定第一测试区域中的各个段是否可以被使用的记录信息的特定区域。

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