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    • 7. 发明申请
    • Detection of Fly Height Change in a Disk Drive
    • 检测磁盘驱动器中的飞行高度变化
    • US20080013198A1
    • 2008-01-17
    • US11863896
    • 2007-09-28
    • Yiping Ma
    • Yiping Ma
    • G11B27/36
    • G11B5/6005G11B5/41G11B5/455G11B5/6029
    • A method of detecting a change in fly-height comprising measuring a first baseline position error signal (PES) at a first diameter on a disk, measuring a second baseline PES at a second diameter, measuring a first transient PES at the first diameter subsequently to the first baseline PES, measuring a second transient PES at the second diameter subsequently to the second baseline PES, determining a first change in PES by comparing the first transient PES to the first baseline PES, determining a second change in PES by comparing the second transient PES to the second baseline PES, performing responsive action when one of the first change in PES exceeds a first threshold and the second change in PES exceeds a second threshold, and generating a general error condition when both the first change in PES and the second change in PES exceed respective thresholds.
    • 一种检测飞行高度变化的方法,包括测量盘上第一直径处的第一基线位置误差信号(PES),测量第二直径处的第二基线PES,测量第一直径后的第一瞬态PES 第一基线PES,测量在第二基线PES之后的第二直径处的第二瞬态PES,通过将第一瞬态PES与第一基线PES进行比较来确定PES的第一变化,通过比较第二瞬态PES来确定PES的第二变化 PES到第二基准PES,当PES的第一改变之一超过第一阈值并且PES的第二改变中的一个超过第二阈值时执行响应动作,并且当PES的第一变化和第二变化都产生一般的错误条件 在PES超过相应的阈值。
    • 8. 发明授权
    • Information storage system, and a method of operating it
    • 信息存储系统及其操作方法
    • US07230781B2
    • 2007-06-12
    • US10718341
    • 2003-11-20
    • Yiping MaJosé CastilloDavid L. HallLawrence M. Moon
    • Yiping MaJosé CastilloDavid L. HallLawrence M. Moon
    • G11B27/36
    • G11B5/41G11B5/09G11B5/40G11B5/455G11B19/04
    • An information storage system has structure with a head that can effect information transfers with respect to a storage medium. According to one feature, a control portion monitors a characteristic of information read from the storage medium, and can take action to reduce the likelihood of non-recoverable errors based on the characteristic. According to a different feature, the control portion moves the head to a position adjacent a portion of a surface on the storage medium, waits while moving the head relative to the surface, and then moves the head to another position adjacent a different portion of the surface. According to another feature, the control portion calculates a distance of the head from the surface based on information read from the surface, and determines based on this distance whether the head or the storage medium may fail to satisfy a criteria.
    • 信息存储系统具有可以影响关于存储介质的信息传输的头部的结构。 根据一个特征,控制部分监视从存储介质读取的信息的特征,并且可以采取行动以基于该特性降低不可恢复的错误的可能性。 根据不同的特征,控制部分将头部移动到与存储介质上的表面的一部分相邻的位置,同时在相对于表面移动头部的同时等待,然后将头移动到邻近表面的另一部分的另一位置 表面。 根据另一特征,控制部根据从表面读取的信息,计算头部与表面的距离,根据该距离判断头部或存储介质是否不满足标准。
    • 9. 发明申请
    • Humidity control in a removable data cartridge
    • 可移动数据盒中的湿度控制
    • US20060132975A1
    • 2006-06-22
    • US11019332
    • 2004-12-21
    • Yiping Ma
    • Yiping Ma
    • G11B23/03
    • G11B33/1453
    • Removable cartridges employ a labyrinth-type seal design which features multiple seals for a very effective barrier to outside contaminants. The sealing mechanism of the cartridge is specifically designed so moisture and other contaminants are blocked from entering the cartridge, resulting in high resistance to corrosion and guarding against the potentially adverse effects of air borne particulate and infiltration of detrimental external gasses. Because no seal is perfect, the cartridge incorporates a charcoal desiccant inside each cartridge to provide additional protection from moisture, corrosion and out-gassing. The disk design also includes a robust recirculation filter on each cartridge to filter the air inside the cartridge each time the disk spins, effectively removing any airborne contaminants that make it past the cartridge seal.
    • 可移动墨盒采用迷宫式密封设计,其具有多个密封件,可以非常有效地阻挡外部污染物。 墨盒的密封机构是专门设计的,因此湿气和其他污染物被阻止进入墨盒,导致高耐腐蚀性和防止空气传播颗粒和有害外部气体渗透的潜在不利影响。 因为没有密封是完美的,墨盒在每个墨盒内装有木炭干燥剂,以提供额外的保护,防止潮湿,腐蚀和排气。 磁盘设计还包括每个墨盒上的坚固的再循环过滤器,以便每次磁盘旋转时过滤墨盒内的空气,从而有效地去除任何使空气中的污染物超过墨盒密封。