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1. 发明申请

US20050201003A1 Magnetic disk drive 审中-公开
标题翻译：磁盘驱动器
公开(公告)号：US20050201003A1
公开(公告)日：2005-09-15
申请号：US11129283
申请日：2005-05-16
申请人： Kazuhisa Shishida , Yosuke Seo , Takahiro Inoue , Makoto Horisaki , Youichi Kusagaya
发明人： Kazuhisa Shishida , Yosuke Seo , Takahiro Inoue , Makoto Horisaki , Youichi Kusagaya
IPC分类号： G11B19/02 , G11B5/596 , G11B15/04 , G11B21/10 , G11B21/02
CPC分类号： G11B21/106 , G11B5/59627
摘要： In order to achieve narrow track pitch by measuring, storing and compensating common average values for repeatable runout components between adjacent tracks in a head positioning control system for a magnetic disk drive, there are provided: means for calculating a compensated signal for the average value of the repeatable runout of each servo sector of at least two tracks of servo information reproduced from a magnetic disk, on the basis of an inverse function of the sensitivity characteristics of the tracking control system; means for storing the calculated signal; and means for compensating the servo signal on the basis of this signal.
摘要翻译：为了通过测量，存储和补偿用于磁盘驱动器的磁头定位控制系统中的相邻轨道之间的可重复跳动分量的共同平均值来实现窄轨道间距，提供：用于计算补偿信号的平均值的装置基于跟踪控制系统的灵敏度特性的反函数，从磁盘再现的至少两个伺服信息轨迹的每个伺服扇区的可重复跳动; 用于存储所计算的信号的装置; 以及用于基于该信号来补偿伺服信号的装置。

2. 发明授权

US06898047B2 Magnetic disk drive for compensating repeatable runout error 失效
标题翻译：用于补偿可重复跳动误差的磁盘驱动器
公开(公告)号：US06898047B2
公开(公告)日：2005-05-24
申请号：US09928415
申请日：2001-08-14
申请人： Kazuhisa Shishida , Yosuke Seo , Takahiro Inoue , Makoto Horisaki , Youichi Kusagaya
发明人： Kazuhisa Shishida , Yosuke Seo , Takahiro Inoue , Makoto Horisaki , Youichi Kusagaya
IPC分类号： G11B19/02 , G11B5/596 , G11B15/04 , G11B21/10 , G11B19/04
CPC分类号： G11B21/106 , G11B5/59627
摘要： In order to achieve narrow track pitch by measuring, storing and compensating common average values for repeatable runout components between adjacent tracks in a head positioning control system for a magnetic disk drive, a compensation signal is calculated for the average value of the repeatable runout of each servo sector of at least two tracks of servo information reproduced from a magnetic disk, on the basis of an inverse function of the sensitivity characteristics of the tracking control system. The compensation signal is stored, and thereafter used for compensating the servo signal.
摘要翻译：为了通过测量，存储和补偿用于磁盘驱动器的磁头定位控制系统中的相邻轨道之间的可重复跳动分量的共同平均值来实现窄轨道间距，针对每个可重复跳动的平均值计算补偿信号基于跟踪控制系统的灵敏度特性的反函数，从磁盘重放的伺服信息的至少两个轨道的伺服扇区。存储补偿信号，然后用于补偿伺服信号。

3. 发明授权

US6131142A Disk system and power-on sequence for the same 失效
公开(公告)号：US6131142A
公开(公告)日：2000-10-10
申请号：US357372
申请日：1999-07-20
申请人： Yoshihisa Kamo , Hitoshi Kakuta , Atsushi Tanaka , Yosuke Seo
发明人： Yoshihisa Kamo , Hitoshi Kakuta , Atsushi Tanaka , Yosuke Seo
IPC分类号： G06F1/26 , G06F1/30 , G06F1/32 , G06F11/00 , G06F12/00
CPC分类号： G06F1/266 , G11B19/209
摘要： With respect to the disk drives provided power from a single power source in a disk drive system, start up power is first supplied to a first start-up group of the disks, preferably comprising all of the master disks, with the size of the group being selected so that the required current does not exceed the capacity of the power source. When the disk drives of the first group have substantially reached steady state, start-up is conducted with respect to a second start-up group of the disk drives so that the current required during start-up for the second group and the current required for steady state drive of the first start-up group does not exceed the capacity of the power source. With respect to each start-up group, the number of disk drives is the maximum integer value and decreases or remains the same with respect to subsequent start-up groups. When simultaneously transferring subdivided data in parallel to all of the disk drives of a parity group, respectively, seek operations in such a system are prevented from occurring simultaneously by offsetting the indices on the disks, by varying the seek operation start timing or by varying the head addresses for the start of reading and writing, all within one revolution, but the seek operations are ended at the same time, to reduce peak current requirements of the power source.

4. 发明授权

US5673412A Disk system and power-on sequence for the same 失效
标题翻译：磁盘系统和上电顺序相同
公开(公告)号：US5673412A
公开(公告)日：1997-09-30
申请号：US472460
申请日：1995-06-07
申请人： Yoshihisa Kamo , Hitoshi Kakuta , Atsushi Tanaka , Yosuke Seo
发明人： Yoshihisa Kamo , Hitoshi Kakuta , Atsushi Tanaka , Yosuke Seo
IPC分类号： G06F1/26 , G06F1/30 , G06F1/32 , G06F11/00 , G06F12/00
CPC分类号： G06F1/266 , G11B19/209
摘要： With respect to the disk drives provided power from a single power source in a disk drive system, start up power is first supplied to a first start-up group of the disks, preferably comprising all of the master disks, with the size of the group being selected so that the required current does not exceed the capacity of the power source. When the disk drives of the first group have substantially reached steady state, start-up is conducted with respect to a second start-up group of the disk drives so that the current required during start-up for the second group and the current required for steady state drive of the first start-up group does not exceed the capacity of the power source. With respect to each start-up group, the number of disk drives is the maximum integer value and decreases or remains the same with respect to subsequent start-up groups. When simultaneously transferring subdivided data in parallel to all of the disk drives of a parity group, respectively, seek operations in such a system are prevented from occurring simultaneously by offsetting the indices on the disks, by varying the seek operation start timing or by varying the head addresses for the start of reading and writing, all within one revolution, but the seek operations are ended at the same time, to reduce peak current requirements of the power source.
摘要翻译：对于提供来自磁盘驱动器系统中的单个电源的电力的磁盘驱动器，首先将启动电力提供给具有组的大小的优选地包括所有主盘的磁盘的第一启动组被选择使得所需电流不超过电源的容量。当第一组的磁盘驱动器已经基本上达到稳定状态时，相对于磁盘驱动器的第二启动组进行启动，使得第二组启动期间所需的电流以及第二组所需的电流第一启动组的稳态驱动不超过电源的容量。对于每个启动组，磁盘驱动器的数量是最大整数值，并且相对于后续的启动组而言减少或保持不变。当分别同时将分割的数据传输到奇偶校验组的所有磁盘驱动器时，通过改变寻道操作开始定时或通过改变寻道操作开始时间来防止这种系统中的寻找操作同时发生，开始阅读和写入的头地址全部在一轮之内，但寻道操作同时结束，以减少电源的峰值电流要求。

5. 发明授权

US5568331A Method of head positioning and magnetic recording disk drive using the same 失效
标题翻译：磁头定位和磁记录磁盘驱动器的使用方法
公开(公告)号：US5568331A
公开(公告)日：1996-10-22
申请号：US603320
申请日：1990-10-25
申请人： Kyo Akagi , Masaaki Futamoto , Fumio Kugiya , Yoshinori Miyamura , Hisashi Takano , Yoshibumi Matsuda , Mikio Suzuki , Takeshi Nakao , Takayuki Munemoto , Hirotsugu Fukuoka , Makoto Aihara , Tokuho Takagaki , Hajime Aoi , Yosuke Seo
发明人： Kyo Akagi , Masaaki Futamoto , Fumio Kugiya , Yoshinori Miyamura , Hisashi Takano , Yoshibumi Matsuda , Mikio Suzuki , Takeshi Nakao , Takayuki Munemoto , Hirotsugu Fukuoka , Makoto Aihara , Tokuho Takagaki , Hajime Aoi , Yosuke Seo
IPC分类号： G11B5/584 , G11B5/596
CPC分类号： G11B5/59688 , G11B5/584
摘要： A method and device of head positioning in an information recording/reading device in which a magnetic recording medium with data tracks for recording information thereon is provided and a magnetic head is positioned on the data track to record/read out the information, wherein a data signal is recorded in the data recording layer of said recording medium, a servo signal is recorded in the servo signal recording layer located below said data signal recording layer, said data signal is read out using a data magnetic head whereas said servo signal is read out using a servo magnetic head, and the frequency of said servo signal is within the range of the gap-null frequency of said data magnetic head whereas the frequency of said data signal is within the range of the gap-null frequency of said servo magnetic head, and said magnetic head is positioned on the data track on the basis of said servo signal. A method and device of head positioning in an information recording/reading device in which a magnetic recording medium with data tracks for recording information thereon is provided and a magnetic head is positioned on the data track to record/read out the information, wherein the data tracks are discrete tracks in which adjacent data tracks are separated by a groove located therebetween, a data signal is recorded on the data track of said recording medium, a servo signal is recorded on the servo tracks of grooves between said adjacent data tracks, and said magnetic head is positioned on the data track on the basis of said servo signal.
摘要翻译：一种在信息记录/读取装置中头部定位的方法和装置，其中提供具有用于记录信息的数据轨道的磁记录介质，并且磁头位于数据轨道上以记录/读出信息，其中数据信号被记录在所述记录介质的数据记录层中，伺服信号被记录在位于所述数据信号记录层下方的伺服信号记录层中，所述数据信号使用数据磁头读出，而所述伺服信号被读出使用伺服磁头，并且所述伺服信号的频率在所述数据磁头的间隙零频率的范围内，而所述数据信号的频率在所述伺服磁头的间隙空位频率的范围内并且所述磁头基于所述伺服信号位于数据轨道上。一种在信息记录/读取装置中头部定位的方法和装置，其中提供具有用于记录信息的数据轨道的磁记录介质，并且磁头位于数据轨道上以记录/读出信息，其中数据轨道是离散轨道，其中相邻数据轨道由位于其间的凹槽分开，数据信号被记录在所述记录介质的数据轨道上，伺服信号被记录在所述相邻数据轨道之间的凹槽的伺服轨道上，并且所述磁头基于所述伺服信号位于数据轨道上。

6. 发明授权

US4707755A Optical read-out magnetic head 失效
标题翻译：光读出磁头
公开(公告)号：US4707755A
公开(公告)日：1987-11-17
申请号：US832884
申请日：1986-02-26
申请人： Norio Ohta , Shigenori Okamine , Yutaka Sugita , Yosuke Seo , Takashi Tamura
发明人： Norio Ohta , Shigenori Okamine , Yutaka Sugita , Yosuke Seo , Takashi Tamura
IPC分类号： G11B5/127 , G11B11/105 , G11B11/10
CPC分类号： G11B5/1278 , G11B11/10534 , G11B11/10547
摘要： An optical read-out magnetic head of a single pole type having a main pole, an auxiliary pole, and a writing coil. The main pole consists of a high permeability film and a magneto-optical film, the magneto-optical film has an easy magnetization axis parallel to or in the extension direction of that film surface high permeability film. Writing is carried out magnetically by employing the coil, and reproduction is effected optically by employing the magneto-optic film.
摘要翻译：具有主极，辅助极和写入线圈的单极型光读出磁头。主极由高磁导率膜和磁光膜组成，磁光膜具有与该膜表面高磁导率膜平行或延伸方向的易磁化轴。通过使用线圈进行磁性写入，并且通过采用磁光膜进行光学再现。

7. 发明授权

US4651242A Magnetic disk apparatus 失效
标题翻译：磁盘装置
公开(公告)号：US4651242A
公开(公告)日：1987-03-17
申请号：US684294
申请日：1984-12-20
申请人： Yoshiyuki Hirano , Yosuke Seo , Toyoji Okuwaki , Katsuhiko Kato , Takashi Tamura
发明人： Yoshiyuki Hirano , Yosuke Seo , Toyoji Okuwaki , Katsuhiko Kato , Takashi Tamura
IPC分类号： G11B21/21 , G11B5/012 , G11B5/48 , G11B5/58 , G11B19/04 , G11B21/12 , G11B5/60 , G11B17/32
CPC分类号： G11B19/04 , G11B5/012 , G11B5/4813 , G11B5/58
摘要： A magnetic disk apparatus using at least one floating magnetic head which is floated above the surface of a rotating magnetic disk by utilizing dynamic pressure of air caused by the rotation of the magnetic disk, the magnetic disk apparatus comprising, a magnetic head assembly including a magnetic head and a supporting device for supporting the magnetic head to float above the surface of the rotating magnetic disk, the supporting device being provided with a space changing device for changing a space between the magnetic disk surface and the magnetic head, a driver coupled with the space changing device for driving the space changing device, and a controller coupled with the driver for controlling the driving of the space changing device by the driver to change the space between the magnetic head and the magnetic disk surface.
摘要翻译：一种使用至少一个浮动磁头的磁盘装置，该浮动磁头通过利用由磁盘的旋转引起的空气的动态压力浮动在旋转磁盘的表面上方，磁盘装置包括：磁头组件，其包括磁性头部和用于支撑磁头浮动在旋转磁盘表面上方的支撑装置，支撑装置设置有用于改变磁盘表面和磁头之间的空间的空间改变装置，驱动器与用于驱动空间改变装置的空间改变装置，以及与驱动器耦合的控制器，用于控制驾驶员对空间改变装置的驱动，以改变磁头和磁盘表面之间的空间。

8. 发明授权

US5748398A Method for writing servo signals onto a magnetic disk and magnetic disk drive equipped with magnetic disk(s) having servo pattern recorded by the method 失效
标题翻译：将伺服信号写入到具有通过该方法记录的具有伺服图案的磁盘的磁盘和磁盘驱动器上的方法
公开(公告)号：US5748398A
公开(公告)日：1998-05-05
申请号：US665531
申请日：1996-06-18
申请人： Yosuke Seo
发明人： Yosuke Seo
IPC分类号： G11B21/10 , G11B5/012 , G11B5/55 , G11B5/596 , G11B5/09 , G11B5/516
CPC分类号： G11B5/5526 , G11B5/5534 , G11B5/59633 , G11B5/012
摘要： A method for recording servo patterns in a magnetic disk drive and a magnetic disk drive for executing such a method are provided. A magnetic disk on which a clock signal has been recorded in at least a part thereof is mounted into the magnetic disk drive. The clock signal is read out from the magnetic disk by using a data recording/reproducing magnetic head. A servo pattern is further recorded by using the recording/reproducing magnetic head on the basis of the read-out clock signal.
摘要翻译：提供了一种用于在用于执行这种方法的磁盘驱动器和磁盘驱动器中记录伺服模式的方法。至少在其上记录了时钟信号的磁盘安装在磁盘驱动器中。通过使用数据记录/再现磁头从磁盘读出时钟信号。基于读出的时钟信号，通过使用记录/再现磁头进一步记录伺服模式。

9. 发明授权

US5572699A Variable length data in a parallel disk array 失效
标题翻译：并行磁盘阵列中的可变长度数据
公开(公告)号：US5572699A
公开(公告)日：1996-11-05
申请号：US32191
申请日：1993-03-15
申请人： Yoshihisa Kamo , Hajime Aoi , Hitoshi Kakuta , Yoshito Tsunoda , Hiromichi Fujisawa , Yosuke Seo , Yasuhide Ouchi
发明人： Yoshihisa Kamo , Hajime Aoi , Hitoshi Kakuta , Yoshito Tsunoda , Hiromichi Fujisawa , Yosuke Seo , Yasuhide Ouchi
IPC分类号： G06F3/06 , G06F12/00 , G06F12/04 , G06F17/30
CPC分类号： G06F3/0601 , G11B5/3133 , G06F2003/0697
摘要： A file system including an input/output unit for inputting data from and outputting data to an external system; a controller connected to the input/output unit for dividing the data into an optional number of parallel data; a management table for storing the number of divisions of the data; a head group for writing the divided parallel data into a storage medium at the same time; and a unit for reading the data from the storage medium while referring to information stored in management device.
摘要翻译：一种文件系统，包括用于从外部系统输入数据并将数据输出到外部系统的输入/输出单元; 连接到输入/输出单元的控制器，用于将数据分成可选数量的并行数据; 用于存储数据的分割数的管理表; 用于同时将分割的并行数据写入存储介质的头组; 以及用于在参考存储在管理装置中的信息的同时从存储介质读取数据的单元。

10. 发明授权

US5325364A Method for error correction and circuit for realizing same 失效
标题翻译：误差校正方法及其实现方法
公开(公告)号：US5325364A
公开(公告)日：1994-06-28
申请号：US412514
申请日：1989-09-26
申请人： Yasuhide Ouchi , Hajime Aoi , Yoshihisa Kamo , Yosuke Seo , Hitoshi Kakuta
发明人： Yasuhide Ouchi , Hajime Aoi , Yoshihisa Kamo , Yosuke Seo , Hitoshi Kakuta
IPC分类号： G06F11/10 , G06F11/14 , H03M13/00 , G06F11/00
CPC分类号： G06F11/1076 , G06F11/1008 , G06F11/1443
摘要： An error correction circuit which includes a specification circuit for specifying erroneous portions in a first data set reproduced from a recording medium, a register for storing the reproduced first data set including the erroneous portions thus specified and a reproducing circuit responsive to the reproduced first data set for reproducing again the first data set from the recording medium to obtain retry data, when there exist erroneous portions in the reproduced first data set stored in the register. The correction circuit also includes a data replace circuit, connected to receive the retry data, for replacing information at the specified erroneous portions in the reproduced first data set stored in the register by information at corresponding portions in the retry data.
摘要翻译：一种误差校正电路，包括用于指定从记录介质再现的第一数据组中的错误部分的指定电路，用于存储包括如此指定的错误部分的再现的第一数据组的寄存器和响应于再现的第一数据集的再现电路当存储在寄存器中的再现的第一数据组中存在错误部分时，再次从记录介质再现第一数据组以获得重试数据。校正电路还包括连接以接收重试数据的数据替换电路，用于通过重试数据中的相应部分处的信息替换存储在寄存器中的再现的第一数据集中的指定错误部分处的信息。

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