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1. 发明专利

JP2003059206A Information recording medium 审中-公开
标题翻译：信息记录媒体
公开(公告)号：JP2003059206A
公开(公告)日：2003-02-28
申请号：JP2001180902
申请日：2001-06-14
申请人： Matsushita Electric Ind Co Ltd , Victor Co Of Japan Ltd , 日本ビクター株式会社 , 松下電器産業株式会社
发明人： GUSHIMA TOYOJI , USUI MAKOTO , DEGUCHI HIRONORI , ISHIDA TAKASHI , ISHIBASHI HIROMICHI , FURUMIYA SHIGERU , NAKAJIMA TAKESHI , MINAMINO JUNICHI , HAYAMIZU ATSUSHI , KUROIWA TOSHIO , OKI TAKESHI
IPC分类号： G11B20/14 , G11B7/007 , G11B20/12
摘要： PROBLEM TO BE SOLVED: To provide an information recording medium that stably records/ reproduces data with a configuration easily configured. SOLUTION: Each sector comprises a first frame area F0 at the top and a plurality of succeeding second frame areas, a first synchronous code sequence(SY0) is placed at the head of the first frame area F0, and a second synchronous code sequence SY is placed to the second frame areas. Further, a third frame area LF is placed at the head of each data block, a 3rd synchronous code sequence PA and a VFO area VFO are placed in the frame area LF, and start/end of recording of a series of data (linking) is made within a range of the VFO area VFO in the third frame area LF. The pattern of each of the synchronous code sequences SY0, SY, PA has the same number of bits and the inter-code distance of them is apart by 2 or more.
摘要翻译：要解决的问题：提供一种以容易配置的配置稳定地记录/再现数据的信息记录介质。解决方案：每个扇区包括顶部的第一帧区域F0和多个后续的第二帧区域，第一同步码序列（SY0）位于第一帧区域F0的头部，第二同步码序列SY 放置到第二帧区域。此外，第三帧区LF被放置在每个数据块的头部，第三同步码序列PA和VFO区域VFO被放置在帧区域LF中，并且开始/结束记录一系列数据（链接）在第三帧区域LF中的VFO区域VFO的范围内。每个同步代码序列SY0，SY，PA的模式具有相同的位数，并且它们的代码间距离相差2以上。

2. 发明专利

JP2003059193A Method for recording identification data to digital data recording medium and recording and reproducing device 审中-公开
标题翻译：将识别数据记录到数字数据记录介质和记录和再现设备的方法
公开(公告)号：JP2003059193A
公开(公告)日：2003-02-28
申请号：JP2001244480
申请日：2001-08-10
申请人： Hitachi Ltd , Matsushita Electric Ind Co Ltd , Toshiba Corp , Victor Co Of Japan Ltd , 日本ビクター株式会社 , 松下電器産業株式会社 , 株式会社日立製作所 , 株式会社東芝
发明人： YAMAKAWA HIDEYUKI , TAIRA SHIGEKI , KATAYAMA YUKARI , KATO TAKATOSHI , MIYAMOTO JIICHI , KAWAMAE OSAMU , NOZEN CHOSAKU , KASHIWABARA YUTAKA , GUSHIMA TOYOJI , ISHIDA TAKASHI , HAYAMIZU ATSUSHI , KUROIWA TOSHIO , OKI TAKESHI , MIYAZAKI TAKESHI
IPC分类号： G11B20/12 , G11B20/10
摘要： PROBLEM TO BE SOLVED: To decrease the kinds of the identification data so as to decrease the length of the required identification data in an optical disk medium the recording data of which are managed by identification data in the unit of frames. SOLUTION: In this method, 4 kinds of frame management data is defined to identify 26 frames. Recording 4 kinds of the frame management data to the optical medium in a predetermined sequence, the length of the management data can be minimized while identifying the frames.
摘要翻译：要解决的问题：为了减少识别数据的种类，以减少其记录数据以帧为单位由识别数据管理的光盘介质中的所需标识数据的长度。解决方案：在这种方法中，定义了4种帧管理数据来识别26帧。以预定的顺序将4种帧管理数据记录到光学介质中，可以在识别帧的同时最小化管理数据的长度。

3. 发明专利

JP2005011462A Wobble signal reproducing device 审中-公开
标题翻译：无线信号再现设备
公开(公告)号：JP2005011462A
公开(公告)日：2005-01-13
申请号：JP2003176458
申请日：2003-06-20
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： OSHIMA KAZUYA , GUSHIMA TOYOJI , NAKADA KOHEI , MINAMINO JUNICHI
IPC分类号： G11B20/14 , G11B7/005
摘要： PROBLEM TO BE SOLVED: To provide a device for generating a clock and reproducing an address even to a disk wobbling partly in different frequencies.
SOLUTION: The device is provided with a frequency comparing means, a clock generating means for generating a fixed clock, a clock selecting means, and a PLL clock generating means, and is able to realize highly accurate address reproduction by using the fixed clock until frequency pull-in is completed in the PLL clock generating means, using the PLL clock when a frequency is decided, thereby performing stable frequency pull-in even to a disk wobbling in a frequency partly different from a specified frequency to regenerate the PLL clock.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于产生时钟并再现地址的装置，即使是部分以不同频率摆动的盘。解决方案：该装置设置有频率比较装置，用于产生固定时钟的时钟产生装置，时钟选择装置和PLL时钟产生装置，并且能够通过使用固定的时钟产生装置来实现高度精确的地址再现在PLL时钟发生装置中完成频率拉入的时钟，当频率确定时使用PLL时钟，从而即使对于与指定频率部分不同的频率的盘摆动也能稳定地进行频率拉入，以重新生成PLL 时钟。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2007257835A Recording medium, recording method, reproduction method, recording apparatus, and reproduction apparatus 有权
标题翻译：记录介质，记录方法，再现方法，记录装置和再现装置
公开(公告)号：JP2007257835A
公开(公告)日：2007-10-04
申请号：JP2007144939
申请日：2007-05-31
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： GUSHIMA TOYOJI , FURUMIYA SHIGERU , ISHIDA TAKASHI , ISHIBASHI HIROMICHI , DEGUCHI HIRONORI , NAKAMURA ATSUSHI , MINAMINO JUNICHI , USUI MAKOTO , NAKAJIMA TAKESHI
IPC分类号： G11B20/12 , G11B7/0045 , G11B20/14
摘要： PROBLEM TO BE SOLVED: To provide a recording medium for stably recording/reproducing data even at start and end of the data recording. SOLUTION: A recording medium 101 including a recording area 102 is provided. The recording area 102 includes a first area and a second area 201, the first area includes a frame area 202, the frame area 202 includes an area in which a second synchronization code sequence SY pattern and at least a portion of data are to be recorded, and the second area includes an area in which a third synchronization code sequence PA pattern and a fourth synchronization code sequence 2101 are to be recorded. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使在数据记录的开始和结束时，也提供用于稳定地记录/再现数据的记录介质。解决方案：提供包括记录区域102的记录介质101。记录区域102包括第一区域和第二区域201，第一区域包括帧区域202，帧区域202包括其中要记录第二同步码序列SY模式和至少一部分数据的区域并且第二区域包括要记录第三同步码序列PA模式和第四同步码序列2101的区域。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007226962A Optical disk apparatus 有权
标题翻译：光盘设备
公开(公告)号：JP2007226962A
公开(公告)日：2007-09-06
申请号：JP2007118706
申请日：2007-04-27
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： MUTO AKIRA , OHARA SHUNJI , ISHIDA TAKASHI , GUSHIMA TOYOJI , DEGUCHI HIRONORI
IPC分类号： G11B20/12 , G11B20/10
摘要： PROBLEM TO BE SOLVED: To provide an optical disk format having larger capacity and high reliability, and to provide an apparatus supporting the format.
SOLUTION: An optical disk apparatus is configured to record data in each of several sectors into which a track is divided and to record specific pattern data and dummy data in the end of the data recording area. The apparatus also records data in each of several sectors into which a track is divided having a specific pattern in the end of the data, and forms guard data by repeatedly recording one or more pieces of the specific pattern data.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有更大容量和高可靠性的光盘格式，并提供支持格式的装置。解决方案：光盘设备被配置为在数据记录区域的末尾记录特定的图案数据和伪数据，以记录分割轨道的几个扇区的数据。该装置还将数据记录在数据的末尾具有特定模式的轨道划分的多个扇区中的每一个中，并且通过重复记录一个或多个特定模式数据来形成保护数据。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2005209310A Deinterleave method and circuit, and information reproducing device 审中-公开
标题翻译：消除方法和电路，以及信息再现设备
公开(公告)号：JP2005209310A
公开(公告)日：2005-08-04
申请号：JP2004016787
申请日：2004-01-26
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： TAKAGI YUJI , GUSHIMA TOYOJI , HASHIMOTO YUICHI
IPC分类号： G06F11/08 , G11B20/10 , G11B20/14 , G11B20/18 , H03M13/27
摘要： PROBLEM TO BE SOLVED: To provide an error correction method and circuit which can develop the lost pointers quickly and in a small circuit scale, and also provide an information reproducing device.
SOLUTION: It has a 1st storing step of storing the reproduce data in the storing bank of a 1st memory in the predetermined order, a 1st read step of reading the data in a order different from the storing order, and a 2nd storing step storing the read data in a 2nd memory. If the frames are detected to be out of steps when reproducing the data, the storing position is corrected in inside the storing bank for the following reproduced data.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种可以快速和小规模地开发丢失指针的错误校正方法和电路，并且还提供信息再现装置。解决方案：具有第一存储步骤，以预定顺序将再现数据存储在第一存储器的存储库中，第一读取步骤，以与存储顺序不同的顺序读取数据，第二存储步骤将读取的数据存储在第二存储器中。如果在再现数据时检测到帧不符合步骤，则存储位置在存储库的内部被校正以用于以下再现的数据。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005149698A Clock signal generation apparatus, apparatus for generating clock signal using information recording medium, integrated circuit, clock signal generation method, and method for generating clock signal using information recording medium 审中-公开
标题翻译：时钟信号发生装置，使用信息记录介质产生时钟信号的装置，集成电路，时钟信号生成方法和使用信息记录介质产生时钟信号的方法
公开(公告)号：JP2005149698A
公开(公告)日：2005-06-09
申请号：JP2004276218
申请日：2004-09-22
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： NAKADA KOHEI , USUI MAKOTO , GUSHIMA TOYOJI , NAKAJIMA TAKESHI
IPC分类号： G11B20/14 , H03L7/085 , H03L7/093
摘要： PROBLEM TO BE SOLVED: To generate a stable clock signal even when quality of a wobble signal is deteriorated. SOLUTION: In this invention, a first integrated value in which amplitude of the wobble signal is integrated with a code and a second integrated value in which the absolute value of amplitude of the wobble signal is integrated are obtained, and a value in which the first integrated value is divided by the second integrated value is defined as a phase difference value. Thereby, even when quality of the wobble signal is deteriorated, accurate phase difference can be detected, and a stable clock signal can be generated. Also, even when a plurality of information recording media having formats different from each other are used, such effect can be obtained that constitution of the clock signal generation apparatus never be complicated. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使当摆动信号的质量劣化时也产生稳定的时钟信号。解决方案：在本发明中，获得摆动信号的振幅与代码相积分的第一积分值和摆动信号的振幅的绝对值被积分的第二积分值，将第一积分值除以第二积分值的第一积分值定义为相位差值。因此，即使摆动信号的质量劣化，也能够检测出精确的相位差，能够产生稳定的时钟信号。此外，即使当使用具有彼此不同的格式的多个信息记录介质时，也可以获得这样的效果，即时钟信号生成装置的结构从不复杂。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004362776A Recording medium, recording method, reproducing method, and recording device and reproducing device 有权
公开(公告)号：JP2004362776A
公开(公告)日：2004-12-24
申请号：JP2004280492
申请日：2004-09-27
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： GUSHIMA TOYOJI , FURUMIYA SHIGERU , ISHIDA TAKASHI , ISHIBASHI HIROMICHI , DEGUCHI HIRONORI , NAKAMURA ATSUSHI , MINAMINO JUNICHI , USUI MAKOTO , NAKAJIMA TAKESHI
IPC分类号： G11B20/12 , G11B20/10
摘要： PROBLEM TO BE SOLVED: To provide a recording medium in which data is stably recorded and reproduced even at beginning and ending points of data recording. SOLUTION: A recording medium 101 is provided with a recording region 102. The recording region 102 includes a first region and a second region 201. The first region includes a frame region 202. The frame region 202 includes a region into which a second synchronization code system SY pattern and at least a portion of data are recorded. The second region includes a region into which a third synchronization code system PA pattern and a fourth synchronization code system 2101 are recorded. COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004134009A Wobble demodulation device and method 审中-公开
标题翻译： WOBBLE DEMODULATION DEVICE AND METHOD
公开(公告)号：JP2004134009A
公开(公告)日：2004-04-30
申请号：JP2002297296
申请日：2002-10-10
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： NAKADA KOHEI , GUSHIMA TOYOJI , USUI MAKOTO , OSHIMA KAZUYA
IPC分类号： G11B20/14 , G11B7/00 , G11B7/005 , G11B20/10
CPC分类号： G11B7/0053
摘要： PROBLEM TO BE SOLVED: To provide a wobble demodulation device for demodulating digital information from a wobble signal MSK-modulated.
SOLUTION: An integrated value in which carrier signals are multiplied by wobble signals is compared with a threshold value in accordance with front and rear parts of a MSK demodulation mark, start and finish parts, and the center part, and stable digital information can be reproduced without deviation of a detection position of the MSK demodulation mark even when a wobble signal is deformed by cross talk components by detecting the MSK demodulation mark from a pattern of the compared result.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2007280498A Laser power control method 审中-公开
标题翻译：激光功率控制方法
公开(公告)号：JP2007280498A
公开(公告)日：2007-10-25
申请号：JP2006104842
申请日：2006-04-06
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： CHIGA HISASHI , GUSHIMA TOYOJI , YAMAOKA MASARU
IPC分类号： G11B7/0045 , G11B7/125
摘要： PROBLEM TO BE SOLVED: To provide a laser power controller which can control the peaks with sufficient precision regardless of the duty ratio set in the multi-pulse section. SOLUTION: In the test light emitting period right before the data recording area, this laser power controller generates multi-pulses for test with the predetermined duty ratio in the same cycle as the multi-pulse train of the optical recording pulses irrespective of its duty ratio, finds the difference between the detected optical signals converted into electric signals by receiving the test multi-pulses and the reference value corresponding to the target power of the optical recording pulses, and feedback controls to suppress the difference to obtain the current flowing in the semiconductor laser for the optical recording pulses having the target power. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种激光功率控制器，其可以以足够的精度控制峰值，而与多脉冲部分中设置的占空比无关。
解决方案：在数据记录区域之前的测试发光时段内，该激光功率控制器以与光学记录脉冲的多脉冲串相同的周期以预定占空比生成用于测试的多脉冲，而不管其占空比通过接收测试多脉冲而检测到的被转换成电信号的光信号与对应于光记录脉冲的目标功率的参考值之间的差异，以及反馈控制来抑制差异以获得电流流动在用于具有目标功率的光学记录脉冲的半导体激光器中。版权所有（C）2008，JPO＆INPIT

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