公开(公告)号：US06724698B1

公开(公告)日：2004-04-20

申请号：US09495233

申请日：2000-01-31

申请人： Takayuki Kawabe ,  Ichiro Watanabe

发明人： Takayuki Kawabe ,  Ichiro Watanabe

IPC分类号： G11B700

CPC分类号： G11B7/08529 ,  G11B7/08517

摘要： An information storage device having a uniaxial tracking mechanism as a pickup which can perform a stable track pull-in operation is provided. A deceleration pulse amplitude á supplied to a tracking actuator is determined from a linear function á=K(V−V0) of a detected movement velocity of a beam in the vicinity of a target track. The deceleration pulse amplitude is divided into two, and is supplied to the tracking actuator on two different occasions.

摘要翻译： 提供一种信息存储装置，其具有作为能够执行稳定轨迹拉入操作的拾取器的单轴跟踪机构。 根据检测到的目标轨迹附近的光束的移动速度的线性函数á= K（V-V0）确定提供给跟踪致动器的减速脉冲幅度á。 减速脉冲幅度被分为两个，并且在两种不同的场合被提供给跟踪致动器。

公开(公告)号：US06628576B1

公开(公告)日：2003-09-30

申请号：US09541573

申请日：2000-04-03

申请人： Ichiro Watanabe ,  Takayuki Kawabe

发明人： Ichiro Watanabe ,  Takayuki Kawabe

IPC分类号： G11B1926

CPC分类号： G11B7/08505

摘要： A track jump control unit adds an FF signal for repetitive disturbance compensation obtained by a learning control which is used in a track-following control and a final value of an FB control low band component just before a track jump to a track jump signal to move a light spot to an adjacent track, thereby driving a carriage. As a track jump signal, a first kick pulse of a predetermined acceleration and a predetermined time, a second kick pulse which continues at a predetermined acceleration until a detection of a track zero-cross point, and a brake pulse of a predetermined acceleration (deceleration) and a predetermined time are used.

摘要翻译： 轨道跳跃控制单元添加FF信号，用于通过跟踪追踪控制中使用的学习控制获得的重复干扰补偿，以及恰好在轨道跳转到轨道跳转信号之前的FB控制低频带分量的最终值移动 一个光点到相邻的轨道，从而驱动一个滑架。 作为轨迹跳跃信号，预定加速度和预定时间的第一反冲脉冲，以预定加速度继续直到检测到轨迹零交叉点的第二反冲脉冲和预定加速度的制动脉冲（减速度 ）并且使用预定时间。

公开(公告)号：US08611037B2

公开(公告)日：2013-12-17

申请号：US13480751

申请日：2012-05-25

申请人： Takayuki Kawabe ,  Makoto Asakura

发明人： Takayuki Kawabe ,  Makoto Asakura

IPC分类号： G11B5/596 ,  G11B5/09

CPC分类号： G11B20/10222 ,  G11B5/59627 ,  G11B20/1217 ,  G11B2020/1281

摘要： According to one embodiment, a magnetic disk includes a plurality of tracks each having a plurality of servo frames with servo burst data and repeatable runout correction data written thereto. The repeatable runout correction data includes a pattern repeated at a predetermined period and is written so that beginning of write is delayed by a time corresponding to a correction amount with respect to a base point corresponding to a synchronization timing position in the servo frame. A detector detects a phase delay amount corresponding to a time elapsed until the repeated pattern is read from the servo frame by a magnetic head, with respect to the synchronization timing position.

摘要翻译： 根据一个实施例，磁盘包括多个磁道，每个磁道具有多个具有伺服突发数据的伺服帧和写入其中的可重复的跳动校正数据。 可重复的跳动校正数据包括以预定周期重复的图案，并被写入，使得写入的开始被延迟相对于与伺服帧中的同步定时位置相对应的基点的校正量的时间。 检测器相对于同步定时位置检测与通过磁头从伺服帧读取重复图案所经过的时间相对应的相位延迟量。

公开(公告)号：US20090190251A1

公开(公告)日：2009-07-30

申请号：US12360601

申请日：2009-01-27

申请人： Toru Yokohata ,  Hitoshi Komoriya ,  Takayuki Kawabe

发明人： Toru Yokohata ,  Hitoshi Komoriya ,  Takayuki Kawabe

IPC分类号： G11B5/55

CPC分类号： G11B5/012 ,  G11B5/09 ,  G11B5/5521 ,  G11B20/10 ,  G11B20/10527 ,  G11B20/1217 ,  G11B2020/1062 ,  G11B2020/10685 ,  G11B2020/10916 ,  G11B2020/1238 ,  G11B2020/1295 ,  G11B2220/2516

摘要： A recording method for a disk device includes the following steps. Sequential data is written into the medium along the track in a predetermined radial direction. Information indicating an end position along the track where the end of the sequential data is written into is stored. The information is read when additional sequential data is to be written into the medium. The additional data is written from a position along the track next to the end position indicated by the information in the predetermined radial direction. The information is updated so as to indicate an end position along the track where the end of the additional sequential data is written into.

摘要翻译： 盘装置的记录方法包括以下步骤。 顺序数据沿着轨道在预定的径向上被写入到介质中。 存储指示顺序数据的结束被写入轨道的结束位置的信息。 当附加顺序数据写入介质时，读取信息。 附加数据从沿着预定径向的信息所指示的结束位置旁边的轨道的位置写入。 信息被更新，以指示沿着附加顺序数据的结尾被写入的轨道的结束位置。

公开(公告)号：US07453664B2

公开(公告)日：2008-11-18

申请号：US11509124

申请日：2006-08-24

申请人： Takayuki Kawabe

发明人： Takayuki Kawabe

IPC分类号： G11B5/596

CPC分类号： G11B5/596

摘要： A magnetic disk apparatus is configured so as to read trace information from a discrete track recording medium recording the trace information for making a servo locus of a magnetic head trace the center line of physical tracks and control the servo locus of the magnetic head onto the center line of the physical tracks.

摘要翻译： 磁盘装置被配置为从记录跟踪信息的离散轨道记录介质读取跟踪信息，以使磁头的伺服轨迹跟踪物理轨迹的中心线，并将磁头的伺服轨迹控制在中心 线的物理轨道。

公开(公告)号：US20070263503A1

公开(公告)日：2007-11-15

申请号：US11826796

申请日：2007-07-18

申请人： Takayuki Kawabe

发明人： Takayuki Kawabe

IPC分类号： G11B7/00

CPC分类号： G11B7/08511 ,  G11B7/0956 ,  G11B7/121

摘要： The present invention relates to an information reproducing apparatus that includes an objective lens that focuses a light beam toward a rotating optical disc medium and uses the objective lens to focus the light beam onto the optical disc medium and detect the reflected light of the light beam so as to reproduce information stored on the optical disc medium. The present invention allows measurement of surface deflection of the optical disc medium with no risk of collision between the objective lens and the optical disc medium. The objective lens is brought closer to the optical disc medium from a separate position apart from the optical disc medium and immediately moved away from the optical disc medium when the light beam is focused onto the optical disc medium.

摘要翻译： 本发明涉及一种信息再现装置，其包括将光束聚焦到旋转光盘介质并使用物镜将光束聚焦到光盘介质上并检测光束的反射光的物镜 以再现存储在光盘介质上的信息。 本发明允许测量光盘介质的表面偏转，而不会在物镜和光盘介质之间发生碰撞的风险。 物镜从与光盘介质分离的位置更接近于光盘介质，并且当光束聚焦到光盘介质上时，物镜立即从光盘介质移开。

公开(公告)号：US08296512B2

公开(公告)日：2012-10-23

申请号：US12360601

申请日：2009-01-27

申请人： Toru Yokohata ,  Hitoshi Komoriya ,  Takayuki Kawabe

发明人： Toru Yokohata ,  Hitoshi Komoriya ,  Takayuki Kawabe

IPC分类号： G06F12/00

CPC分类号： G11B5/012 ,  G11B5/09 ,  G11B5/5521 ,  G11B20/10 ,  G11B20/10527 ,  G11B20/1217 ,  G11B2020/1062 ,  G11B2020/10685 ,  G11B2020/10916 ,  G11B2020/1238 ,  G11B2020/1295 ,  G11B2220/2516

摘要： A recording method for a disk device includes the following steps. Sequential data is written into the medium along the track in a predetermined radial direction. Information indicating an end position along the track where the end of the sequential data is written into is stored. The information is read when additional sequential data is to be written into the medium. The additional data is written from a position along the track next to the end position indicated by the information in the predetermined radial direction. The information is updated so as to indicate an end position along the track where the end of the additional sequential data is written into.

摘要翻译： 盘装置的记录方法包括以下步骤。 顺序数据沿着轨道在预定的径向上被写入到介质中。 存储指示顺序数据的结束被写入轨道的结束位置的信息。 当附加顺序数据写入介质时，读取信息。 附加数据从沿着预定径向的信息所指示的结束位置旁边的轨道的位置写入。 信息被更新，以指示沿着附加顺序数据的结尾被写入的轨道的结束位置。

公开(公告)号：US07782724B2

公开(公告)日：2010-08-24

申请号：US11826796

申请日：2007-07-18

申请人： Takayuki Kawabe

发明人： Takayuki Kawabe

IPC分类号： G11B7/00

CPC分类号： G11B7/08511 ,  G11B7/0956 ,  G11B7/121

摘要： The present invention relates to an information reproducing apparatus that includes an objective lens that focuses a light beam toward a rotating optical disc medium and uses the objective lens to focus the light beam onto the optical disc medium and detect the reflected light of the light beam so as to reproduce information stored on the optical disc medium. The present invention allows measurement of surface deflection of the optical disc medium with no risk of collision between the objective lens and the optical disc medium. The objective lens is brought closer to the optical disc medium from a separate position apart from the optical disc medium and immediately moved away from the optical disc medium when the light beam is focused onto the optical disc medium.

摘要翻译： 本发明涉及一种信息再现装置，其包括将光束聚焦到旋转光盘介质并使用物镜将光束聚焦到光盘介质上并检测光束的反射光的物镜 以再现存储在光盘介质上的信息。 本发明允许测量光盘介质的表面偏转，而不会在物镜和光盘介质之间发生碰撞的风险。 物镜从与光盘介质分离的位置更靠近光盘介质，并且当光束聚焦到光盘介质上时，物镜立即从光盘介质移开。

公开(公告)号：US07706100B2

公开(公告)日：2010-04-27

申请号：US11998066

申请日：2007-11-28

申请人： Takayuki Kawabe

发明人： Takayuki Kawabe

IPC分类号： G11B5/596

CPC分类号： G11B5/596 ,  G11B5/5547

摘要： A measurement recording unit causes the head to move across a predetermined amount, at least more than one track during one lap of track, with a predetermined radial position and a track position of the magnetic disk being taken as recording start points, thereby writing measurement data while drawing a spiral path. A measurement reading unit causes the measurement data recorded in a spiral manner to be read while gradually shifting a read-beginning point within a predetermined scanning range from an inner perimeter side including the recording start points to an outer perimeter side. A position-displacement detecting unit finds a distribution of amplitudes of a read-back signal within a read scanning range and detects, in a distribution of evaluation values, an amount of position displacement of a read head and a write head on the storage medium in a radial direction for storage.

摘要翻译： 测量记录单元使磁头在预定的径向位置和磁盘的磁道位置被作为记录起始点的同时，在磁道的一圈中至少多于一个磁道移动预定量，并将至少一个轨迹作为记录开始点，从而写入测量数据 同时画一条螺旋路。 测量读取单元使得在从包括记录开始点的内周侧到外周侧的预定扫描范围内的读取起始点逐渐移动的同时，读取以螺旋方式记录的测量数据。 位置位移检测单元在读取扫描范围内找到回读信号的幅度分布，并且在评估值的分布中检测存储介质上的读取头和写入头的位置位移量 用于存储的径向方向。

公开(公告)号：US20100033867A1

公开(公告)日：2010-02-11

申请号：US12475016

申请日：2009-05-29

申请人： Takayuki Kawabe

发明人： Takayuki Kawabe

IPC分类号： G11B21/02 ,  G11B5/82

CPC分类号： G11B5/82 ,  B82Y10/00 ,  G11B5/59688 ,  G11B5/743 ,  G11B5/855

摘要： A patterned media type magnetic storage medium has separated magnetic dots formed a data area having a first magnetic dots and a servo area. The micro position detection portion in the servo area is constructed with first and second dot arrays having a different number of second magnetic dots in the circumference direction and face with the center line that the first magnetic dots of the data area in the magnetic storage medium are disposed, as the axis. The area of the magnetic dot constituting the micro position detection portion of the servo area is small, so the coercive force of the servo area increases. The frequency is changed depending on the number of magnetic dots, and the phase is changed depending on the position of the magnetic dot array in the radius direction with the center line as an axis.

摘要翻译： 图案化介质型磁存储介质具有分离的磁点，形成具有第一磁点和伺服区的数据区。 伺服区域中的微位置检测部分由在圆周方向上具有不同数量的第二磁性点的第一和第二点阵列构成，并且与中心线相对，磁存储介质中的数据区的第一磁点为 设置为轴。 构成伺服区域的微位置检测部分的磁点的面积小，因此伺服区域的矫顽力增大。 频率根据磁点的数量而改变，并且根据磁点阵列在中心线为轴的半径方向上的位置而改变相位。