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1. 发明授权

US06947243B2 Method and system for time-shift based rotational vibration sensing in disk drives 失效
公开(公告)号：US06947243B2
公开(公告)日：2005-09-20
申请号：US10153683
申请日：2002-05-24
申请人： Hien Dang , Isao Yoneda , Tetsuo Ueda , Yuzo Nakagawa , Sri M. Sri-Jayantha
发明人： Hien Dang , Isao Yoneda , Tetsuo Ueda , Yuzo Nakagawa , Sri M. Sri-Jayantha
IPC分类号： G11B5/55 , G11B5/596 , G11B25/04
CPC分类号： G11B5/59627 , G11B5/5582 , G11B5/596 , G11B25/043
摘要： A method (and structure) senses a rotational vibration of a disk drive. The disk drive includes a rotating disk. The disk includes a plurality of reference bits across a surface thereof. The method (and structure) includes detecting the reference bits across a pattern on the rotating disk, and analyzing a time interval between adjacent ones of the reference bits.

2. 发明授权

US07724457B2 Method and system for time-shift based rotational vibration sensing in disk drives 有权
标题翻译：在磁盘驱动器中基于时移的旋转振动感测的方法和系统
公开(公告)号：US07724457B2
公开(公告)日：2010-05-25
申请号：US11201673
申请日：2005-08-10
申请人： Hien Dang , Isao Yoneda , Tetsuo Ueda , Yuzo Nakagawa , Sri M. Sri-Jayantha
发明人： Hien Dang , Isao Yoneda , Tetsuo Ueda , Yuzo Nakagawa , Sri M. Sri-Jayantha
IPC分类号： G11B5/09
CPC分类号： G11B5/59627 , G11B5/5582 , G11B5/596 , G11B25/043
摘要： A method (and structure) senses a rotational vibration of a disk drive. The disk drive includes a rotating disk. The disk includes a plurality of reference bits across a surface thereof. The method (and structure) includes detecting the reference bits across a pattern on the rotating disk, and analyzing a time interval between adjacent ones of the reference bits.
摘要翻译：方法（和结构）感测磁盘驱动器的旋转振动。磁盘驱动器包括旋转盘。盘包括跨越其表面的多个参考位。方法（和结构）包括检测旋转盘上的图案上的参考位，以及分析相邻参考位之间的时间间隔。

3. 发明申请

US20050270685A1 Method and system for time-shift based rotational vibration sensing in disk drives 有权
标题翻译：在磁盘驱动器中基于时移的旋转振动感测的方法和系统
公开(公告)号：US20050270685A1
公开(公告)日：2005-12-08
申请号：US11201673
申请日：2005-08-10
申请人： Hien Dang , Isao Yuneda , Tetsuo Ueda , Yuzo Nakagawa , Sri Sri-Jayantha
发明人： Hien Dang , Isao Yuneda , Tetsuo Ueda , Yuzo Nakagawa , Sri Sri-Jayantha
IPC分类号： G11B5/55 , G11B5/596 , G11B25/04 , G11B21/02
CPC分类号： G11B5/59627 , G11B5/5582 , G11B5/596 , G11B25/043
摘要： A method (and structure) senses a rotational vibration of a disk drive. The disk drive includes a rotating disk. The disk includes a plurality of reference bits across a surface thereof. The method (and structure) includes detecting the reference bits across a pattern on the rotating disk, and analyzing a time interval between adjacent ones of the reference bits.
摘要翻译：方法（和结构）感测磁盘驱动器的旋转振动。磁盘驱动器包括旋转盘。盘包括跨越其表面的多个参考位。方法（和结构）包括检测旋转盘上的图案上的参考位，以及分析相邻参考位之间的时间间隔。

4. 发明授权

US06549349B2 Adaptive vibration control for servo systems in data storage devices 失效
标题翻译：数据存储设备伺服系统的自适应振动控制
公开(公告)号：US06549349B2
公开(公告)日：2003-04-15
申请号：US09955391
申请日：2001-09-18
申请人： Sri Muthuthamby Sri-Jayantha , Arun Sharma , Hien Phu Dang , Naoyuki Kagami , Yuzo Nakagawa , Akira Tokizono , Isao Yoneda
发明人： Sri Muthuthamby Sri-Jayantha , Arun Sharma , Hien Phu Dang , Naoyuki Kagami , Yuzo Nakagawa , Akira Tokizono , Isao Yoneda
IPC分类号： G11B2736
CPC分类号： G11B21/106 , G11B5/59611
摘要： Methods and systems for detecting and correcting for undesirable vibrations impacting the servo systems in data storage devices. A detection technique is provided wherein a detection filter is configured to scan a position signal of the servo system across a range of frequencies, and, at each respective scanned frequency, record an amplitude associated therewith. The recorded amplitudes are examined to determine whether any exceed a threshold, thereby locating a peak frequency of the vibration. Using the detected peak frequency of the vibration, a corrective filter is configured to operate about the peak frequency of vibration, thereby reducing its impact on the position signal in the servo system. Optimum detection and correction filter structures are disclosed, as are techniques for addressing filter state vectors as initial conditions as the corrective filters are repeatedly engaged during successive settle-out and track follow cycles (between seeks), as are continuous adaptation techniques for changing vibration environments.
摘要翻译：用于检测和校正影响数据存储设备中的伺服系统的不期望的振动的方法和系统。提供了一种检测技术，其中检测滤波器被配置为扫描频率范围内的伺服系统的位置信号，并且在每个相应的扫描频率处记录与之相关联的振幅。检查记录的振幅以确定是否有超过阈值，从而定位振动的峰值频率。使用检测到的振动峰值频率，校正滤波器被配置为围绕振动的峰值频率运行，从而减小其对伺服系统中位置信号的影响。公开了最佳检测和校正滤波器结构，作为用于将滤波器状态向量寻址作为初始条件的技术，校正滤波器在连续的稳定和跟踪周期（寻找之间）期间重复接合），以及用于改变振动环境的连续自适应技术。

5. 发明授权

US06914745B2 Head movement controlling based on servo generated speed control values 失效
标题翻译：基于伺服发生速度控制值的头部运动控制
公开(公告)号：US06914745B2
公开(公告)日：2005-07-05
申请号：US10222049
申请日：2002-08-16
申请人： Masayuki Takeuchi , Yuzo Nakagawa , Yukio Fukushima , Tetsuo Ueda
发明人： Masayuki Takeuchi , Yuzo Nakagawa , Yukio Fukushima , Tetsuo Ueda
IPC分类号： G11B21/12 , G11B5/55 , G11B21/08 , G11B5/596
CPC分类号： G11B5/5526
摘要： The hard disk drive comprises: a magnetic disk 2 having servo information stored; magnetic heads 4 seeking on the magnetic disk 2 and staying at a predetermined position to read or write data; a voice coil motor 6 moving the magnetic heads 4 to the predetermined position of the magnetic disk 2; a position controller supplying a driving current to the voice coil motor 6 based on the servo information read by the magnetic heads 4. The position controller includes: a CPU 12 outputting a speed control value based on the servo information; a DAC 7 and a VCM driver 8 converting the speed control value into the driving current; and a controller 10 limiting a driving speed of the voice coil motor 6 in a case that an output timing of the speed control value is shifted.
摘要翻译：硬盘驱动器包括：具有存储伺服信息的磁盘2; 在磁盘2上寻求并停留在预定位置以读取或写入数据的磁头4; 将磁头4移动到磁盘2的预定位置的音圈电动机6; 基于由磁头4读取的伺服信息，向音圈马达6提供驱动电流的位置控制器。位置控制器包括：CPU 12，根据伺服信息输出速度控制值; 将速度控制值转换为驱动电流的DAC7和VCM驱动器8; 以及在速度控制值的输出定时偏移的情况下限制音圈电动机6的驱动速度的控制器10。

6. 发明授权

US06981205B2 Data storage apparatus, read data processor, and read data processing method 有权
标题翻译：数据存储装置，读数据处理器和读数据处理方法
公开(公告)号：US06981205B2
公开(公告)日：2005-12-27
申请号：US10279305
申请日：2002-10-23
申请人： Yukio Fukushima , Katsuhiko Katoh , Shunsuke Kobayashi , Takashi Kuroda , Yuzo Nakagawa , Fuminori Sai , Emi Shimono , Tetsuya Tamura , Tetsuo Ueda
发明人： Yukio Fukushima , Katsuhiko Katoh , Shunsuke Kobayashi , Takashi Kuroda , Yuzo Nakagawa , Fuminori Sai , Emi Shimono , Tetsuya Tamura , Tetsuo Ueda
IPC分类号： G06F11/08 , G06F3/06 , G11B20/10 , G11B20/18 , H03M13/43
CPC分类号： G11B20/1809
摘要： To improve the probability of error correction, thereby generating correct read data. Data is read from the same sector by a number of times and a majority decision is done in the same address, thereby the most frequently read value is regarded as the true data value in the address. For example, for an address 00, “00” is handled as a true data value.
摘要翻译：为了提高纠错的概率，从而产生正确的读取数据。数据从同一扇区读取多次，多数决定在相同的地址中完成，从而将最常读取的值视为地址中的真实数据值。例如，对于地址00，将“00”作为真实数据值处理。

7. 发明授权

US08557190B2 Carbon nanotube synthesis process apparatus 有权
标题翻译：碳纳米管合成工艺装置
公开(公告)号：US08557190B2
公开(公告)日：2013-10-15
申请号：US12863528
申请日：2008-11-12
申请人： Shuichi Shiraki , Takeji Murai , Yuzo Nakagawa
发明人： Shuichi Shiraki , Takeji Murai , Yuzo Nakagawa
IPC分类号： B01J19/00 , B01J8/00 , C01B31/00 , C01B31/02 , C09C1/48
CPC分类号： B01J19/26 , B01J4/002 , B01J2219/00135 , B82Y30/00 , B82Y40/00 , C01B32/164
摘要： A carbon nanotube synthesis process apparatus comprises a reaction tube in which a reaction field is formed, and a discharge pipe (32) arranged downstream of the reaction tube and discharging carbon nanotubes to the outside. A plurality of nozzles (34) are provided on the sidewall of the discharge pipe (32) in directions which are deflected with respect to the center (O) of the discharge pipe (32). When gases are discharged from the plurality of nozzles (34), a swirl flowing from the inner side surface along the inner side surface is produced in the discharge pipe (32). Adhesion of carbon nanotubes to the inner side surface of the discharge pipe (32) is prevented by the swirl flow and thus the apparatus can be operated continuously.
摘要翻译：碳纳米管合成工艺装置包括其中形成有反应场的反应管和排放管（32），排放管（32）布置在反应管的下游并将碳纳米管排出到外部。多个喷嘴（34）在排出管（32）的侧壁上相对于排出管（32）的中心（O）偏转的方向设置。当从多个喷嘴（34）排出气体时，在排出管（32）中产生从内侧表面沿着内侧表面流动的漩涡。通过涡旋流阻止碳纳米管与排出管32的内侧表面的附着，能够使设备连续运转。

8. 发明申请

US20110072232A1 DISK DRIVE INCLUDING A HOST INTERFACE SUPPORTING DIFFERENT SIZES OF DATA SECTORS AND METHOD FOR WRITING DATA THERETO 有权
标题翻译：磁盘驱动器，包括支持数据区的不同大小的主机接口和写入数据的方法
公开(公告)号：US20110072232A1
公开(公告)日：2011-03-24
申请号：US12545788
申请日：2009-08-21
申请人： Yoshiju Watanabe , Toshio Kakihara , Koichi Arai , Terumi Takashi , Yuzo Nakagawa
发明人： Yoshiju Watanabe , Toshio Kakihara , Koichi Arai , Terumi Takashi , Yuzo Nakagawa
IPC分类号： G06F12/02
CPC分类号： G11B5/012 , G11B5/09 , G11B27/11 , G11B27/36 , G11B2220/2516
摘要： A method for writing data to a disk drive. The method includes: receiving a write command; and, determining whether a beginning and an end of a rewrite area specified by the write command agree with boundaries of large-sized data sectors on a disk. The method also includes: reading head and tail data sectors and making a backup of the head and tail data sectors in first and second non-volatile memory areas, respectively, if the beginning of the rewrite area does not agree with the boundaries. The method includes starting a rewrite of the rewrite area after completing backups into first and second non-volatile memory areas. Moreover, the method includes: determining a state stage by using data in first, second, third and fourth non-volatile memory areas if a power shut-down occurs during execution of the write command; and, executing a recovery process in accordance with the determined state stage.
摘要翻译：一种将数据写入磁盘驱动器的方法。该方法包括：接收写命令; 并且确定由写入命令指定的重写区域的开始和结束是否与盘上的大尺寸数据扇区的边界一致。该方法还包括：如果重写区域的开始与边界不一致，则分别读取头部和尾部数据扇区并分别在第一和第二非易失性存储区域中备份头尾数据扇区。该方法包括在完成对第一和第二非易失性存储器区域的备份之后重新开始重写区域的重写。此外，该方法包括：如果在写入命令的执行期间发生电源关闭，则通过使用第一，第二，第三和第四非易失性存储器区域中的数据来确定状态级; 以及根据所确定的状态阶段执行恢复处理。

9. 发明授权

US4267457A Sample holding element for mass spectrometer 失效
标题翻译：质谱仪样品保持元件
公开(公告)号：US4267457A
公开(公告)日：1981-05-12
申请号：US950697
申请日：1978-10-12
申请人： Yuzo Nakagawa , Kouji Iwatani , Tetsuro Kadono
发明人： Yuzo Nakagawa , Kouji Iwatani , Tetsuro Kadono
IPC分类号： G01N1/00 , G01N1/28 , G01N27/62 , H01J49/04 , H01J29/02
CPC分类号： H01J49/0409 , H01J49/0427
摘要： Quantitative determinations by means of mass spectrometry of substances which have hitherto been very difficult to perform are made possible by the employment of the sample holding element of the present invention composed of a porous and gas-permeable aggregate of a skeletal ingredient having refractory and electrical-insulating properties, with a remarkable improvement in sensitivity and accuracy. Determination of mixture samples for their respective components is also effected without any preceding separating step.
摘要翻译：迄今为止非常难以执行的物质的质谱法进行的定量测定是通过使用本发明的样品保持元件由具有耐火材料和电气性的骨架成分的多孔和透气性聚集体构成的，绝缘性能，灵敏度和精度都有显着提高。对于各组分的混合样品的测定也可在没有任何前述分离步骤的情况下进行。

10. 发明申请

US20100296983A1 Carbon Nanotube Synthesis Process Apparatus 有权
标题翻译：碳纳米管合成工艺装置
公开(公告)号：US20100296983A1
公开(公告)日：2010-11-25
申请号：US12863528
申请日：2008-11-12
申请人： Shuichi Shiraki , Takeji Murai , Yuzo Nakagawa
发明人： Shuichi Shiraki , Takeji Murai , Yuzo Nakagawa
IPC分类号： B01J19/00
CPC分类号： B01J19/26 , B01J4/002 , B01J2219/00135 , B82Y30/00 , B82Y40/00 , C01B32/164
摘要： A carbon nanotube synthesis process apparatus comprises a reaction tube in which a reaction field is formed, and a discharge pipe (32) arranged downstream of the reaction tube and discharging carbon nanotubes to the outside. A plurality of nozzles (34) are provided on the sidewall of the discharge pipe (32) in directions which are deflected with respect to the center (O) of the discharge pipe (32). When gases are discharged from the plurality of nozzles (34), a swirl flowing from the inner side surface along the inner side surface is produced in the discharge pipe (32). Adhesion of carbon nanotubes to the inner side surface of the discharge pipe (32) is prevented by the swirl flow and thus the apparatus can be operated continuously
摘要翻译：碳纳米管合成工艺装置包括其中形成有反应场的反应管和排放管（32），排放管（32）布置在反应管的下游并将碳纳米管排出到外部。多个喷嘴（34）在排出管（32）的侧壁上相对于排出管（32）的中心（O）偏转的方向设置。当从多个喷嘴（34）排出气体时，在排出管（32）中产生从内侧表面沿着内侧表面流动的漩涡。通过涡旋流阻止碳纳米管与排出管（32）的内侧表面的附着，从而能够连续地操作设备

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