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61. 发明授权

US06628578B1 Disklike storage medium and tracking method using the same 失效
标题翻译：盘状存储介质和跟踪方法使用相同
公开(公告)号：US06628578B1
公开(公告)日：2003-09-30
申请号：US09647283
申请日：2000-09-26
申请人： Tadashi Nakamura , Yasumori Hino , Norio Miyatake
发明人： Tadashi Nakamura , Yasumori Hino , Norio Miyatake
IPC分类号： G11B700
CPC分类号： G11B27/24 , G11B7/00745 , G11B7/0901 , G11B7/0938 , G11B20/1217 , G11B20/1833 , G11B27/19 , G11B27/3027 , G11B2020/1238 , G11B2020/1267 , G11B2020/1287 , G11B2020/1292 , G11B2220/216 , G11B2220/2525 , G11B2220/2529 , G11B2220/2575
摘要： A disklike storage medium on which information is recorded at higher density by reducing the redundancy of the address part and a tracking method using the medium are disclosed. The disklike storage medium where a track is divided into areas and address data is recorded in the areas is so adapted that an error detecting code for identifying the data common to adjacent tracks out of the address data is added to the common data. Thus, a data synchronization processing performed when the address data is reproduced is realized without any special synchronization pattern.
摘要翻译：公开了一种通过减少地址部分的冗余度和使用该介质的跟踪方法以更高密度记录信息的盘状存储介质。轨道被划分为区域和地址数据的盘状存储介质被记录在这些区域中，适于将用于识别地址数据中相邻轨道共同的数据的错误检测码添加到公共数据中。因此，在没有任何特殊的同步模式的情况下实现当地址数据被再现时执行的数据同步处理。

62. 发明授权

US06504803B2 Optical disk apparatus 失效
公开(公告)号：US06504803B2
公开(公告)日：2003-01-07
申请号：US09862114
申请日：2001-05-21
申请人： Toshio Matsumoto , Yasumori Hino , Takashi Inoue
发明人： Toshio Matsumoto , Yasumori Hino , Takashi Inoue
IPC分类号： G11B700
CPC分类号： G11B7/126 , G11B7/00454 , G11B7/007 , G11B11/10506 , G11B11/1053 , G11B11/10595
摘要： While a control portion changes the laser power stepwise with a laser power control portion, the optical disk apparatus of the present invention compares a predetermined level with an output by a detector that detects the correlation between a pattern to be recorded on the optical disk and the reproduction signal of the recording pattern detects as the minimum recording power the recording power when the originally smaller of the predetermined level and that output by the detector becomes larger than the other, and sets the optimum recording power to a power obtained by multiplying the detected minimum recording power by a certain factor.

63. 发明授权

US06307819B1 Method of reading magneto-optical recording medium 失效
标题翻译：读取磁光记录介质的方法
公开(公告)号：US06307819B1
公开(公告)日：2001-10-23
申请号：US09420685
申请日：1999-10-19
申请人： Masahiro Birukawa , Yasumori Hino , Norio Miyatake
发明人： Masahiro Birukawa , Yasumori Hino , Norio Miyatake
IPC分类号： G11B1100
CPC分类号： G11B11/10515 , G11B5/59677 , G11B11/10508 , G11B11/10513 , G11B11/10523 , G11B11/10573 , G11B11/10595
摘要： A reading method for a magneto-optical recording medium is provided, irradiating laser light as a reading beam and using a magnetic head. High density and high transmission rate are possible and a correct reading can be performed according to the length of recording marks by reading the magneto-optical recording medium while impressing a magnetic field with an orientation promoting the translation of magnetic domain walls. In the magnetic super resolution type magneto-optical recording medium, which attains a signal only from one portion of the irradiation domain of the reading beam and has at least a recording layer and a reading layer on a substrate, the focused laser light is irradiated as a reading beam and the magnetic field is modulated, using the magnetic head, which is equipped with a slider and glides or floats on the recording medium. The magneto-optical recording medium is read, while impressing a magnetic field 161 that accelerates at least the transcription of the magnetization of the recording layer into the reading layer.
摘要翻译：提供了一种用于磁光记录介质的读取方法，照射激光作为读取光束并使用磁头。高密度和高透射率是可能的，并且可以通过读取磁光记录介质，同时以促进磁畴壁的平移的取向施加磁场来根据记录标记的长度来执行正确的读取。在仅从读取光束的照射域的一部分获得信号并且在基板上至少具有记录层和读取层的磁性超分辨率型磁光记录介质中，聚焦的激光以使用配备有滑块并在记录介质上滑动或浮动的磁头来调制读取光束和磁场。读取磁光记录介质，同时施加加速至少将记录层的磁化转录到读取层中的磁场161。

64. 发明授权

US06269056B1 Recording method for a magneto-optical recording medium for position adjustment of a magnetic head 失效
标题翻译：用于磁头位置调整的磁光记录介质的记录方法
公开(公告)号：US06269056B1
公开(公告)日：2001-07-31
申请号：US09421785
申请日：1999-10-19
申请人： Masahiro Birukawa , Yasumori Hino , Norio Miyatake
发明人： Masahiro Birukawa , Yasumori Hino , Norio Miyatake
IPC分类号： G11B1100
CPC分类号： G11B11/10515 , G11B5/59677 , G11B11/10508 , G11B11/10513 , G11B11/10523 , G11B11/10573 , G11B11/10595
摘要： A reading method for a magneto-optical recording medium is provided, irradiating laser light as a reading beam and using a magnetic head. High density and high transmission rate are possible and a correct reading can be performed according to the length of recording marks by reading the magneto-optical recording medium while impressing a magnetic field with an orientation promoting the translation of magnetic domain walls. In the magnetic super resolution type magneto-optical recording medium, which attains a signal only from one portion of the irradiation domain of the reading beam and has at least a recording layer and a reading layer on a substrate, the focused laser light is irradiated as a reading beam and the magnetic field is modulated, using the magnetic head, which is equipped with a slider and glides or floats on the recording medium. The magneto-optical recording medium is read, while impressing a magnetic field 161 that accelerates at least the transcription of the magnetization of the recording layer into the reading layer.
摘要翻译：提供了一种用于磁光记录介质的读取方法，照射激光作为读取光束并使用磁头。高密度和高透射率是可能的，并且可以通过读取磁光记录介质，同时以促进磁畴壁的平移的取向施加磁场来根据记录标记的长度来执行正确的读取。在仅从读取光束的照射域的一部分获得信号并且在基板上至少具有记录层和读取层的磁性超分辨率型磁光记录介质中，聚焦的激光以使用配备有滑块并在记录介质上滑动或浮动的磁头来调制读取光束和磁场。读取磁光记录介质，同时施加加速至少将记录层的磁化转录到读取层中的磁场161。

65. 发明授权

US06222797B1 Position adjustment method of a magnetic head using magneto-optical recording medium, and optical recording medium 失效
标题翻译：使用磁光记录介质的磁头的位置调整方法和光记录介质
公开(公告)号：US06222797B1
公开(公告)日：2001-04-24
申请号：US09420476
申请日：1999-10-19
申请人： Masahiro Birukawa , Yasumori Hino , Norio Miyatake
发明人： Masahiro Birukawa , Yasumori Hino , Norio Miyatake
IPC分类号： G11B1100
CPC分类号： G11B11/10515 , G11B5/59677 , G11B11/10508 , G11B11/10513 , G11B11/10523 , G11B11/10573 , G11B11/10595
摘要： A reading method for a magneto-optical recording medium is provided, irradiating laser light as a reading beam and using a magnetic head. High density and high transmission rate are possible and a correct reading can be performed according to the length of recording marks by reading the magneto-optical recording medium while impressing a magnetic field with an orientation promoting the translation of magnetic domain walls. In the magnetic super resolution type magneto-optical recording medium, which attains a signal only from one portion of the irradiation domain of the reading beam and has at least a recording layer and a reading layer on a substrate, the focused laser light is irradiated as a reading beam and the magnetic field is modulated, using the magnetic head, which is equipped with a slider and glides or floats on the recording medium. The magneto-optical recording medium is read, while impressing a magnetic field 161 that accelerates at least the transcription of the magnetization of the recording layer into the reading layer.
摘要翻译：提供了一种用于磁光记录介质的读取方法，照射激光作为读取光束并使用磁头。高密度和高透射率是可能的，并且可以通过读取磁光记录介质，同时以促进磁畴壁的平移的取向施加磁场来根据记录标记的长度来执行正确的读取。在仅从读取光束的照射域的一部分获得信号并且在基板上至少具有记录层和读取层的磁性超分辨率型磁光记录介质中，聚焦的激光以使用配备有滑块并在记录介质上滑动或浮动的磁头来调制读取光束和磁场。读取磁光记录介质，同时施加加速至少将记录层的磁化转录到读取层中的磁场161。

66. 发明授权

US06188649B1 Method for reading magnetic super resolution type magneto-optical recording medium 失效
标题翻译：磁性超分辨率型磁光记录介质的读取方法
公开(公告)号：US06188649B1
公开(公告)日：2001-02-13
申请号：US09420686
申请日：1999-10-19
申请人： Masahiro Birukawa , Yasumori Hino , Norio Miyatake
发明人： Masahiro Birukawa , Yasumori Hino , Norio Miyatake
IPC分类号： G11B1100
CPC分类号： G11B11/10515 , G11B5/59677 , G11B11/10508 , G11B11/10513 , G11B11/10523 , G11B11/10573 , G11B11/10595
摘要： A reading method for a magneto-optical recording medium is provided, irradiating laser light as a reading beam and using a magnetic head. High density and high transmission rate are possible and a correct reading can be performed according to the length of recording marks by reading the magneto-optical recording medium while impressing a magnetic field with an orientation promoting the translation of magnetic domain walls. In the magnetic super resolution type magneto-optical recording medium, which attains a signal only from one portion of the irradiation domain of the reading beam and has at least a recording layer and a reading layer on a substrate, the focused laser light is irradiated as a reading beam and the magnetic field is modulated, using the magnetic head, which is equipped with a slider and glides or floats on the recording medium. The magneto-optical recording medium is read, while impressing a magnetic field 161 that accelerates at least the transcription of the magnetization of the recording layer into the reading layer.
摘要翻译：提供了一种用于磁光记录介质的读取方法，照射激光作为读取光束并使用磁头。高密度和高透射率是可能的，并且可以通过读取磁光记录介质，同时以促进磁畴壁的平移的取向施加磁场来根据记录标记的长度来执行正确的读取。在仅从读取光束的照射域的一部分获得信号并且在基板上至少具有记录层和读取层的磁性超分辨率型磁光记录介质中，聚焦的激光以使用配备有滑块并在记录介质上滑动或浮动的磁头来调制读取光束和磁场。读取磁光记录介质，同时施加加速至少将记录层的磁化转录到读取层中的磁场161。

67. 发明授权

US5517472A Magnetic-field generator for use in a magneto-optical disk unit 失效
标题翻译：用于磁光盘单元的磁场发生器
公开(公告)号：US5517472A
公开(公告)日：1996-05-14
申请号：US222363
申请日：1994-04-04
申请人： Norio Miyatake , Hidetsugu Kawabata , Kiyoshi Uchida , Yasumori Hino , Teruyuki Takizawa , Tohru Nakamura
发明人： Norio Miyatake , Hidetsugu Kawabata , Kiyoshi Uchida , Yasumori Hino , Teruyuki Takizawa , Tohru Nakamura
IPC分类号： G11B11/105 , G11B19/02 , G11B19/12 , G11B7/08 , G11B5/187 , G11B11/10
CPC分类号： G11B19/12 , G11B11/10534 , G11B11/10552 , G11B11/1058 , G11B11/10597 , G11B19/02
摘要： A sliding part of a magnetic-field generator is configured to slide above and spaced from a surface of a loaded magneto-optical disk in a floating manner. A magnetic-field generating part, which provides a magnetic field to the magneto-optical disk, includes a magnetic pole disposed on a side of the sliding part such that the magnetic pole and the sliding part are positioned adjacent to each other in a radial direction of the surface of the loaded magneto-optical disk and such that the magnetic pole is located closer to a periphery of the magneto-optical disk than the sliding part. An entire flat end surface of the magnetic pole confronting the surface of the magneto-optical disk is generally parallel to and recedes from a slide surface of the sliding part such that the entire flat end surface is spaced further from the surface of the magneto-optical disk than the slide surface of the sliding part.
摘要翻译：磁场发生器的滑动部分构造成以浮动的方式在加载的磁光盘的表面上方并与之隔开。向磁光盘提供磁场的磁场产生部包括设置在滑动部的一侧的磁极，使得磁极和滑动部在径向方向上彼此相邻地定位并且使得磁极位于比滑动部更靠近磁光盘的周边的位置。面对磁光盘表面的磁极的整个平坦端面通常平行于滑动部分的滑动表面并从后退，使得整个平坦端面与磁光表面相距较远盘比滑动部分的滑动面。

68. 发明授权

US5422874A Optical recording disk, and recording/reading apparatus using same 失效
标题翻译：光记录盘和使用其的记录/读取装置
公开(公告)号：US5422874A
公开(公告)日：1995-06-06
申请号：US118232
申请日：1993-09-09
申请人： Masahiro Birukawa , Norio Miyatake , Yuuichi Fukamachi , Yoshihiko Kudoh , Yasumori Hino
发明人： Masahiro Birukawa , Norio Miyatake , Yuuichi Fukamachi , Yoshihiko Kudoh , Yasumori Hino
IPC分类号： G11B11/10 , G11B7/007 , G11B7/24 , G11B7/26 , G11B11/105 , G11B20/12 , G11B27/19 , G11B27/30
CPC分类号： G11B11/10584 , G11B11/10515 , G11B11/10563 , G11B11/10578 , G11B20/1217 , G11B27/19 , G11B27/3027 , G11B7/00718 , G11B7/00745 , G11B7/261
摘要： The present invention relates to a magneto-optical recording medium, in which are provided at least a reading layer and a writing layer on a substrate. A track guide groove is formed in the medium so as to include in-groove portions and on-land portions. Pits are formed on a portion along the track longitudinally adjacent where an in-groove portion and where no guide groove exists. Pits are also formed in an on-land portion between the in-groove portions of the track guide groove. Only a portion where a temperature has been raised by optical beam irradiation is read, while a domain of a writing layer is copied on the writing layer, whereby a writing/reading operation can be effected with narrower track pitches.
摘要翻译：磁光记录介质技术领域本发明涉及一种磁光记录介质，其中至少在基板上提供读取层和写层。在介质中形成轨道引导槽，以便包括槽内部分和陆上部分。凹坑形成在沿着纵向相邻的轨道的一部分上，其中凹槽部分并且不存在引导槽。凹坑也形成在轨道引导槽的槽内部之间的陆上部分。只读取通过光束照射而升高了温度的部分，同时在写入层上复制写入层的区域，从而能够以更窄的轨道间距进行写入/读取操作。

69. 发明授权

US5341359A Abnormality detection of a recording medium in a magneto-optical recording system 失效
标题翻译：磁光记录系统中记录介质的异常检测
公开(公告)号：US5341359A
公开(公告)日：1994-08-23
申请号：US946525
申请日：1992-09-16
申请人： Masahiro Birukawa , Norio Miyatake , Yasumori Hino
发明人： Masahiro Birukawa , Norio Miyatake , Yasumori Hino
IPC分类号： G11B11/105 , G11B19/04 , G11B20/18 , G11B27/36 , G11B11/10
CPC分类号： G11B20/1883 , G11B11/10595 , G11B19/04 , G11B27/36 , G11B2220/20
摘要： A magneto-optical recording and/or reading-out apparatus can record and read out information on and from a magneto-optical recording medium by the use of a laser beam. The apparatus includes a reflected beam detector, a comparator operatively coupled with the reflected beam detector, and a judgment unit operatively coupled with the comparator. The reflected beam detector detects the quantity of a laser beam reflected from the magneto-optical recording medium during recording. The comparator compares the quantity of the reflected laser beam with at least one reference value during the recording, thereby detecting an abnormality in the reflected laser beam. The judgment unit judges whether an area of the magneto-optical recording medium which has caused the abnormality is practically usable, in accordance with an output from the comparator and data to be recorded on this area.
摘要翻译：磁光记录和/或读出装置可以通过使用激光束在磁光记录介质上记录和读出信息。该装置包括反射光束检测器，与反射光束检测器可操作耦合的比较器，以及与比较器可操作耦合的判断单元。反射光束检测器检测在记录期间从磁光记录介质反射的激光束的量。比较器在记录期间将反射激光束的量与至少一个基准值进行比较，从而检测反射的激光束的异常。判断单元根据来自比较器的输出和要记录在该区域上的数据判断是否实际上可以使用引起异常的磁光记录介质的区域。

70. 发明授权

US5247495A Optical magnetic disk with separate regions provided on it 失效
标题翻译：具有分开区域的光磁盘
公开(公告)号：US5247495A
公开(公告)日：1993-09-21
申请号：US657819
申请日：1991-02-20
申请人： Masahiro Birukawa , Norio Miyatake , Yasumori Hino
发明人： Masahiro Birukawa , Norio Miyatake , Yasumori Hino
IPC分类号： G11B11/10 , G11B7/00 , G11B7/0055 , G11B7/007 , G11B7/30 , G11B11/105
CPC分类号： G11B11/10597 , G11B11/10517 , G11B11/10528
摘要： A magneto-optical disc according to the present invention has separate regions located between mutually adjacent recording tracks. In the separate regions, magneto-optical signals are impossible to record or smaller than the recording tracks. Therefore, it is possible to maintain a low erasing power that is constant even when conditions such as off-tracking, defocusing and changes of operating temperature occur. The present invention provides a magneto-optical disc, further, which in a light modulating system restricts the recording domain so as to improve the number of times the disc can be rewritten, providing a magneto-optical disk that is highly compatible with different drives. Further, the magneto-optical disk according to the present invention is provided such that a residual signal is not caused if recording power during overwriting is lower than the previous recording power in a magnetic modulating system, further improving compatibility.
摘要翻译：根据本发明的磁光盘具有位于相互相邻的记录轨道之间的分离区域。在单独的区域中，磁光信号不可能记录或小于记录轨道。因此，即使在诸如偏离跟踪，散焦和工作温度的变化的条件出现的情况下，也可以保持不变的擦除功率。本发明还提供一种磁光盘，其进一步在光调制系统中限制记录域，以便提高光盘可重写的次数，提供与不同驱动器高度兼容的磁光盘。此外，根据本发明的磁光盘被提供为使得在重写期间的记录功率低于磁调制系统中的先前记录功率时不会引起残留信号，从而进一步提高兼容性。

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