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1. 发明授权

US5566317A Method and apparatus for computer disk drive management 失效
标题翻译：计算机磁盘驱动器管理方法和装置
公开(公告)号：US5566317A
公开(公告)日：1996-10-15
申请号：US259531
申请日：1994-06-14
申请人： Richard K. Treiber , Jonathan M. Haswell , Spencer W. Ng , Mario Yamaguchi
发明人： Richard K. Treiber , Jonathan M. Haswell , Spencer W. Ng , Mario Yamaguchi
IPC分类号： G06F3/06 , G06F12/08
CPC分类号： G06F3/0611 , G06F12/0866 , G06F3/0656 , G06F3/0674 , G06F12/0862
摘要： A system manages data transfer between a computer, a data storage disk, and a data buffer which is associated with the disk. Upon receipt of a write request during data read-ahead from the disk to the buffer, the system preempts the read-ahead to write the data to the disk only when the target write track on the disk is different from the track being read ahead into the buffer. Otherwise, the system permits read-ahead to continue until the target write sector is positioned beneath the disk drive head. Also, upon receipt of a read request during cache writing from the buffer to the disk, the system immediately satisfies the read request prior to completing the cache writing when the requested read data is contained in the buffer. Moreover, the system provides for dynamic switching between a data read-ahead preempt policy and a data read-ahead no-preempt policy based upon parallel monitoring and comparison of data request service times under both policies.
摘要翻译：系统管理计算机，数据存储盘和与盘相关联的数据缓冲器之间的数据传输。在从磁盘到缓冲器的数据读取期间接收到写入请求时，系统只有当磁盘上的目标写入磁道与正在读取的磁道不同时才先读取数据才能将数据写入磁盘缓冲区。否则，系统允许预读继续，直到目标写入扇区位于磁盘驱动器头下方。此外，当从缓冲器写入缓存器的缓存器中接收到读取请求时，当所请求的读取数据被包含在缓冲器中时，系统在完成高速缓存写入之前立即满足读取请求。此外，该系统基于两种策略下的数据请求服务时间的并行监视和比较，提供数据预读抢占策略和数据预读无抢占策略之间的动态切换。

2. 发明授权

US06757120B2 Dynamic method and apparatus for controlling head fly characteristics in a disk drive 失效
标题翻译：用于控制磁盘驱动器中的头部飞行特性的动态方法和装置
公开(公告)号：US06757120B2
公开(公告)日：2004-06-29
申请号：US10093137
申请日：2002-03-07
申请人： Yoichi Minoshima , Mario Yamaguchi
发明人： Yoichi Minoshima , Mario Yamaguchi
IPC分类号： G11B2736
CPC分类号： G11B21/21 , G11B5/581 , G11B27/36 , G11B2220/20
摘要： A dynamic method and apparatus are provided for controlling head fly characteristics in a disk drive. A plurality of charge surfaces is provided with a transducer head slider assembly. At least one head fly characteristic is monitored during operation of the disk drive. An identified current head fly characteristic is compared with a predefined head fly characteristic to identify a difference value. A charge and potential of the plurality of charge surfaces are dynamically controlled responsive to the identified difference value. Dynamically controlling the charge and potential of the plurality of charge surfaces enables both dynamically controlling flyheight of the transducer head slider assembly and dynamically controlling angles of the transducer head slider assembly relative to an associated disk surface.
摘要翻译：提供了用于控制磁盘驱动器中的头部飞行特性的动态方法和装置。多个充电表面设置有换能器头滑块组件。在磁盘驱动器的操作期间至少监视一个头部飞行特性。将识别的当前头部飞行特性与预定义的头部飞行特性进行比较以识别差值。响应于所识别的差值来动态地控制多个电荷表面的电荷和电位。动态地控制多个电荷表面的电荷和电位使得能够动态地控制换能器头滑块组件的飞行高度并且相对于相关联的磁盘表面动态地控制换能器磁头滑块组件的角度。

3. 发明授权

US5864440A Data processing method and data storage system 失效
标题翻译：数据处理方法和数据存储系统
公开(公告)号：US5864440A
公开(公告)日：1999-01-26
申请号：US569326
申请日：1995-12-06
申请人： Minoru Hashimoto , Jon Haswell , Tatsuya Sakai , Mario Yamaguchi
发明人： Minoru Hashimoto , Jon Haswell , Tatsuya Sakai , Mario Yamaguchi
IPC分类号： G11B20/12 , G11B20/18 , G11B27/30 , G11B27/36
CPC分类号： G11B27/36 , G11B20/1833 , G11B27/3027 , G11B20/1258 , G11B20/1883 , G11B20/1889 , G11B2020/1234 , G11B2220/20
摘要： When writing user data D, the user data D is stored in a register 46, and using both the user data D and the sector information (ID) of the user data D, an error correction code ECC is generated by an ECC generation algorithm Ar. A stored information Rw made up of the user data D and the generated ECC is written on a disk. In the reading, the user data Dr of a read record Rr is temporarily stored in the register 46, and an ECC check algorithm is executed. This ECC check is executed for combined data of the user data Dr and its position information. When any error is found in the position information portion in the combined data, the user data is determined that the read user data is wrongly addressed. When an error is found in the user data Dr portion, the user data is corrected by ECC and the corrected user data is output.
摘要翻译：在写入用户数据D时，将用户数据D存储在寄存器46中，并且使用用户数据D和用户数据D的扇区信息（ID）两者，由ECC生成算法Ar生成纠错码ECC 。将由用户数据D和所生成的ECC组成的存储信息Rw写入盘。在读取中，读取记录Rr的用户数据Dr临时存储在寄存器46中，并执行ECC校验算法。对用户数据Dr和其位置信息的组合数据执行该ECC检查。当在组合数据中的位置信息部分中发现任何错误时，确定用户数据读取的用户数据被错误地寻址。当在用户数据Dr部分中发现错误时，通过ECC校正用户数据并输出校正的用户数据。

4. 发明授权

US5765189A Method and apparatus for computer disk drive buffer management 失效
标题翻译：计算机磁盘驱动器缓冲管理的方法和装置
公开(公告)号：US5765189A
公开(公告)日：1998-06-09
申请号：US626100
申请日：1996-04-03
申请人： Richard Kent Treiber , Jonathan Mark Haswell , Spencer Wah-Fung Ng , Mario Yamaguchi
发明人： Richard Kent Treiber , Jonathan Mark Haswell , Spencer Wah-Fung Ng , Mario Yamaguchi
IPC分类号： G06F3/06 , G06F12/08
CPC分类号： G06F3/0611 , G06F12/0866 , G06F3/0656 , G06F3/0674 , G06F12/0862
摘要： A system manages data transfer between a computer, a data storage disk, and a data buffer which is associated with the disk. Upon receipt of a write request during data read-ahead from the disk to the buffer, the system preempts the read-ahead to write the data to the disk only when the target write track on the disk is different from the track being read ahead into the buffer. Otherwise, the system permits read-ahead to continue until the target write sector is positioned beneath the disk drive head. Also, upon receipt of a read request during cache writing from the buffer to the disk, the system immediately satisfies the read request prior to completing the cache writing when the requested read data is contained in the buffer. Moreover, the system provides for dynamic switching between a data read-ahead preempt policy and a data read-ahead no-preempt policy based upon parallel monitoring and comparison of data request service times under both policies.
摘要翻译：系统管理计算机，数据存储盘和与盘相关联的数据缓冲器之间的数据传输。在从磁盘到缓冲器的数据读取期间接收到写入请求时，系统只有当磁盘上的目标写入磁道与正在读取的磁道不同时才先读取数据才能将数据写入磁盘缓冲区。否则，系统允许预读继续，直到目标写入扇区位于磁盘驱动器头下方。此外，当从缓冲器写入缓存器的缓存器中接收到读取请求时，当所请求的读取数据被包含在缓冲器中时，系统在完成高速缓存写入之前立即满足读取请求。此外，该系统基于两种策略下的数据请求服务时间的并行监视和比较，提供数据预读抢占策略和数据预读无抢占策略之间的动态切换。

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