公开(公告)号：US07656599B2

公开(公告)日：2010-02-02

申请号：US11700491

申请日：2007-01-31

申请人： Yukio Abe ,  Takeshi Hara ,  Mitsuo Kamimura ,  Shunji Saitoh

发明人： Yukio Abe ,  Takeshi Hara ,  Mitsuo Kamimura ,  Shunji Saitoh

IPC分类号： G11B27/36

CPC分类号： G11B19/041 ,  G11B20/1217 ,  G11B20/1879 ,  G11B2020/1232 ,  G11B2020/1281 ,  G11B2020/183 ,  G11B2220/2516

摘要： A rewrite determining unit of a hard disk apparatus acquires a servo signal that includes an offtrack amount corresponding to each servo frame from a position information memory, and determines whether a write fault has occurred based on the servo signal. If a write fault has occurred, the rewrite determining unit determines a rewrite sector count, and a write controller controls a hard disk controller so that rewriting is performed to correspond to the rewrite sector count determined by the rewrite determining unit.

摘要翻译： 硬盘装置的重写确定单元从位置信息存储器获取包括与每个伺服帧相对应的跋涉量的伺服信号，并且基于伺服信号来确定是否发生写入故障。 如果发生写入故障，则重写确定单元确定重写扇区计数，并且写入控制器控制硬盘控制器，使得执行重写以对应于由重写确定单元确定的重写扇区计数。

公开(公告)号：US07426090B2

公开(公告)日：2008-09-16

申请号：US11522684

申请日：2006-09-18

申请人： Satoshi Yamashita ,  Shunji Saitou ,  Yukio Abe ,  Shigenori Yanagi

发明人： Satoshi Yamashita ,  Shunji Saitou ,  Yukio Abe ,  Shigenori Yanagi

IPC分类号： G11B21/02

CPC分类号： G11B5/6005 ,  G11B5/6064

摘要： A heater for changing a projection distance protrusion value by thermal expansion accompanying electric-power-distributed heating is embedded in a head having a reading element and a recording element. A clearance control information measurement unit measures and saves, at desired correction timing, clearance control information including a clearance required for controlling the clearance between the reading element and the recording medium, heater projection sensitivity protrusion sensitivity, projection distance protrusion value transition time, recording current projection distance protrusion value, and a temperature correction coefficient. The clearance control unit varies the electric power distributed to the heater and changes the projection distance protrusion value of the head, thereby controlling the clearance to a target clearance upon reproduction and recording.

摘要翻译： 通过伴随电力分配加热的热膨胀来改变投影距离突出值的加热器嵌入具有读取元件和记录元件的头部中。 间隙控制信息测量单元在期望的校正时间测量并保存包括用于控制读取元件和记录介质之间的间隙所需的间隙的间隙控制信息，加热器投影灵敏度突起灵敏度，投影距离突出值转换时间，记录电流 投影距离突出值和温度校正系数。 间隙控制单元改变分配给加热器的电力并改变头部的突出距离突出值，从而在再现和记录时将间隙控制到目标间隙。

公开(公告)号：US20070291399A1

公开(公告)日：2007-12-20

申请号：US11590725

申请日：2006-10-31

申请人： Mitsuo Kamimura ,  Fumiya Kudo ,  Yukio Abe ,  Atsushi Suzuki ,  Takeshi Hara

发明人： Mitsuo Kamimura ,  Fumiya Kudo ,  Yukio Abe ,  Atsushi Suzuki ,  Takeshi Hara

IPC分类号： G11B21/02

CPC分类号： G11B19/20

摘要： When a head is subjected to external vibration while a controller is controlling the head according to a positioning-oriented controller characteristic, the positioning-oriented controller characteristic are changed to a vibration-reducing controller characteristic. Moreover, when the external vibration stop while the controller is controlling the head according to the vibration-reducing controller characteristic, the vibration-reducing controller characteristic are changed to the positioning-oriented controller characteristic.

摘要翻译： 当控制器根据定位导向控制器特性来控制头部时头受到外部振动时，将定位控制器特性改变为减振控制器特性。 此外，当控制器根据减振控制器特性控制头时外部振动停止时，减振控制器特性被改变为面向定位控制器的特性。

公开(公告)号：US20070230014A1

公开(公告)日：2007-10-04

申请号：US11522684

申请日：2006-09-18

申请人： Satoshi Yamashita ,  Shunji Saitou ,  Yukio Abe ,  Shigenori Yanagi

发明人： Satoshi Yamashita ,  Shunji Saitou ,  Yukio Abe ,  Shigenori Yanagi

IPC分类号： G11B21/02

CPC分类号： G11B5/6005 ,  G11B5/6064

摘要： A heater for changing a projection distance protrusion value by thermal expansion accompanying electric-power-distributed heating is embedded in a head having a reading element and a recording element. A clearance control information measurement unit measures and saves, at desired correction timing, clearance control information including a clearance required for controlling the clearance between the reading element and the recording medium, heater projection sensitivity protrusion sensitivity, projection distance protrusion value transition time, recording current projection distance protrusion value, and a temperature correction coefficient. The clearance control unit varies the electric power distributed to the heater and changes the projection distance protrusion value of the head, thereby controlling the clearance to a target clearance upon reproduction and recording.

摘要翻译： 通过伴随电力分配加热的热膨胀来改变投影距离突出值的加热器嵌入具有读取元件和记录元件的头部中。 间隙控制信息测量单元在期望的校正时间测量并保存包括用于控制读取元件和记录介质之间的间隙所需的间隙的间隙控制信息，加热器投影灵敏度突起灵敏度，投影距离突出值转换时间，记录电流 投影距离突出值和温度校正系数。 间隙控制单元改变分配给加热器的电力并改变头部的投影距离突出值，从而在再现和记录时将间隙控制到目标间隙。

公开(公告)号：US20070171057A1

公开(公告)日：2007-07-26

申请号：US11573723

申请日：2005-03-25

申请人： Hiroyuki Ogino ,  Yukio Abe ,  Hirofumi Inui ,  Shigeki Ueda ,  Noriyuki Yoneno ,  Shigeru Shirai ,  Ryuta Kondou ,  Miyuki Kawai

发明人： Hiroyuki Ogino ,  Yukio Abe ,  Hirofumi Inui ,  Shigeki Ueda ,  Noriyuki Yoneno ,  Shigeru Shirai ,  Ryuta Kondou ,  Miyuki Kawai

IPC分类号： G08B13/08

CPC分类号： G07C9/00309 ,  B60R25/246 ,  E05B81/78 ,  G07C2009/00793 ,  G07C2209/65

摘要： While there are contact joining and capacitance type switches for detecting an operation of a door handle, a problem that is to be solved by the invention is to solve problems of contact failure due to aging and a malfunction triggered by rain drops. According to the invention, a piezoelectric sensor (4) has such flexibility as to be annexed to a door handle (3), whereby a minute displacement of the door handle (3) can be detected with high sensitivity. Consequently, a sufficient signal output can be obtained only through a simple touch to the door handle (3), whereby a touch or contact to the door handle (3) can be detected. In addition, since electrodes are not exposed to the outside, the piezoelectric sensor (4) is made difficult to be affected by disturbance, and dust, rain, snow and the like which come to adhere thereto. Furthermore, since the piezoelectric sensor (4) can be deformed with suppleness, there are imposed few limiting conditions on a setting place and a space where to dispose the piezoelectric sensor (4) is diminished.

摘要翻译： 虽然存在用于检测门把手的操作的接触接合和电容式开关，但是本发明要解决的问题是解决由于老化引起的接触故障和由雨滴引起的故障的问题。 根据本发明，压电传感器（4）具有与门把手（3）相连的灵活性，从而可以高灵敏度地检测门把手（3）的微小位移。 因此，只能通过对门把手（3）的简单触摸获得足够的信号输出，从而可以检测到与门把手（3）的触摸或接触。 此外，由于电极不暴露于外部，所以压电传感器（4）难以受到干扰，灰尘，雨雪等的影响。 此外，由于压电传感器（4）能够以柔软的方式变形，所以在设置位置施加了很少的限制条件，并且压电传感器（4）的布置空间减小。

公开(公告)号：US07102843B2

公开(公告)日：2006-09-05

申请号：US10694535

申请日：2003-10-27

申请人： Takeshi Hara ,  Mitsuo Kamimura ,  Yukio Abe ,  Yoshinari Higashino ,  Kunihiro Shimada ,  Kiyoshi Sakuma ,  Atsushi Suzuki ,  Kentaroh Katoh

发明人： Takeshi Hara ,  Mitsuo Kamimura ,  Yukio Abe ,  Yoshinari Higashino ,  Kunihiro Shimada ,  Kiyoshi Sakuma ,  Atsushi Suzuki ,  Kentaroh Katoh

IPC分类号： G11B21/02

CPC分类号： G11B5/5521 ,  G11B5/59605 ,  G11B5/59627 ,  G11B5/59633

摘要： A magnetic disk apparatus includes a magnetic disk with normal and double servo sectors arranged alternately. If a servo interruption period corresponding to adjacent first servo sectors is a first servo interruption period, then a second servo interruption period that is a servo interruption period corresponding to adjacent first servo sector and second servo sector is equal to or less than half of the first servo interruption period.

摘要翻译： 磁盘装置包括具有交替布置的正常和双重伺服扇区的磁盘。 如果对应于相邻的第一伺服扇区的伺服中断周期为第一伺服中断周期，则作为与相邻的第一伺服扇区和第二伺服扇区对应的伺服中断周期的第二伺服中断周期等于或小于第一伺服扇区 伺服中断周期。

公开(公告)号：US20060082919A1

公开(公告)日：2006-04-20

申请号：US11052185

申请日：2005-02-07

申请人： Yukio Abe ,  Shunji Saitou ,  Yoshifumi Obara

发明人： Yukio Abe ,  Shunji Saitou ,  Yoshifumi Obara

IPC分类号： G11B21/02

CPC分类号： G11B5/54 ,  G11B21/12

摘要： A storage device, which comprises a storage media, a spindle motor which spins the storage media, a head unit which records and reads the data to the storage media, an actuator which carries out the positioning operation to the head unit on the storage media, a loading and unloading system which controls the actuator and carries out the unload operation that withdraws the head unit from the storage media and the loading operation that shifts the head unit onto the storage media, and a measurement means which measures the unloading energy required for the unload operation.

摘要翻译： 一种存储装置，包括存储介质，旋转存储介质的主轴电机，将数据记录并读取到存储介质的头单元，对存储介质上的头单元执行定位操作的致动器， 控制致动器并执行从存储介质中取出头单元的卸载操作和将头单元移动到存储介质上的装载操作的装载和卸载系统，以及测量装置，其测量所需的卸载能量 卸载操作。

公开(公告)号：US06663726B2

公开(公告)日：2003-12-16

申请号：US10012503

申请日：2001-12-12

申请人： Yukio Abe ,  Hideshi Nakatsu ,  Yasushi Tamura ,  Yoshihiro Kada

发明人： Yukio Abe ,  Hideshi Nakatsu ,  Yasushi Tamura ,  Yoshihiro Kada

IPC分类号： C22C3860

CPC分类号： C22C38/24 ,  C21D1/18 ,  C21D2261/00 ,  C22C38/22 ,  C22C38/34 ,  C22C38/60

摘要： There are provided a high-hardness prehardened steel for cold working having excellent machinability containing, by mass, not less than 0.3% but less than 0.5% C, 0.7 to 2.0% Si, and 0.08 to 0.25% S, a die for cold working which is fabricated by cutting this prehardened steel at a cutting speed not less than 50 m/min. This steel is hardened and tempered to have a hardness not less than 50 HRC. Preferably, this steel consists, by mass, not less than 0.3% but less than 0.5% C, 0.7 to 2.0% Si, 0.1 to 2.0% Mn, 0.08 to 0.25% S, 0.5 to 15.0% Cr, at least one selected from the group consisting of W and Mo an amount of which one is not more than 3.5% in total in terms of (Mo+1/2W), not more than 4.0% V, not more than 0.15% N, and the balance Fe and incidental impurities.

公开(公告)号：US06301207B1

公开(公告)日：2001-10-09

申请号：US09209331

申请日：1998-12-11

申请人： Hiroshi Isokawa ,  Yukio Abe

发明人： Hiroshi Isokawa ,  Yukio Abe

IPC分类号： G11B700

CPC分类号： G11B5/5547 ,  G11B5/5556 ,  G11B7/0941 ,  G11B11/10576

摘要： Disclosed is a servo gain compensating method for compensating a servo gain when in a seek operation and in a positioning process in an information storage device. The servo gain compensating method and a device thereof make compensation to a precise servo gain even when a temperature changes abruptly. The information storage device includes a head for reading information from a storage medium, an actuator for moving the head, a control circuit for calculating a drive quantity compensated by the servo gain value from positional information read by the head, and a driving circuit for driving the actuator on the basis of the drive quantity. The servo gain compensating method includes a step of periodically measuring a temperature of the information storage device through a temperature detecting element for measuring the temperature of the device, a step of judging whether or not a difference between the measured temperature and the temperature measured last time is over a fixed value, a first step of obtaining, if the difference is not over the fixed value, a servo gain value referring to a first table of a first servo gain characteristic, and a second step of obtaining, if the difference is over the fixed value, a servo gain value referring to a second table of a second servo gain characteristic. In the second step, a calibration seek may be executed.

摘要翻译： 公开了一种用于在搜索操作和信息存储装置中的定位处理中补偿伺服增益的伺服增益补偿方法。 伺服增益补偿方法及其装置即使当温度突然变化时也能对精确的伺服增益进行补偿。 信息存储装置包括用于从存储介质读取信息的头，用于移动头的致动器，用于通过由头读取的位置信息计算由伺服增益值补偿的驱动量的控制电路和用于驱动的​​驱动电路 执行器基于驱动量。 伺服增益补偿方法包括通过用于测量装置的温度的温度检测元件周期性地测量信息存储装置的温度的步骤，判断上次测量的测量温度和温度之间的差异 超过固定值，第一步骤，如果差不超过固定值，则参考第一伺服增益特性的第一表的伺服增益值，以及如果差超过的第二步骤 固定值，参考第二伺服增益特性的第二表的伺服增益值。 在第二步骤中，可以执行校准搜索。

公开(公告)号：US6163425A

公开(公告)日：2000-12-19

申请号：US509

申请日：1997-12-30

申请人： Hiroshi Isokawa ,  Yukio Abe

发明人： Hiroshi Isokawa ,  Yukio Abe

IPC分类号： G11B5/39 ,  G11B5/00 ,  G11B5/012 ,  G11B5/02 ,  G11B5/55 ,  G11B5/596 ,  G11B19/04 ,  G11B5/03

CPC分类号： G11B19/04 ,  G11B5/00 ,  G11B5/012 ,  G11B5/5526 ,  G11B5/59683 ,  G11B2005/0016

摘要： In a magnetic reproduction apparatus having an MR head, electromigration occurs when a sense current is supplied to the MR head is suppressed, and the service life and reliability of the magnetic reproduction apparatus are improved. Information magnetically recorded on at least one recording medium is read by supplying a sense current to the MR head opposed to the record surface of the recording medium using a current supply circuit, and then decoded by a signal decoder. In the magnetic reproduction apparatus, an MR head information judgment circuit judges whether or not information to be read out from the recording medium by the MR head is needed. Only when the information to be read out by the MR head is needed, does a current supply control circuit allow the current supply circuit to supply the sense current to the MR head. The sense current can be controlled by turning on or off an on-off operation circuit. Owing to this configuration, electromigration can be suppressed and the service life and reliability of the apparatus can be improved.

摘要翻译： 在具有MR磁头的磁性重放装置中，当向MR磁头提供感测电流时发生电迁移，并且提高了磁性再现装置的使用寿命和可靠性。 通过使用电流供给电路向与记录介质的记录表面相对的MR头提供感测电流，然后由信号解码器进行解码，来读取磁记录在至少一个记录介质上的信息。 在磁再现装置中，MR头信息判断电路判断是否需要由MR头从记录介质读出的信息。 只有当需要由MR磁头读出的信息时，电流供应控制电路是否允许电流供应电路向MR磁头提供感测电流。 可以通过接通或断开开关操作电路来控制感测电流。 由于这种构造，可以抑制电迁移，并且可以提高装置的使用寿命和可靠性。