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    • 1. 发明授权
    • Method and apparatus for saving calibration parameters for a removable cartridge
    • 用于保存可移动墨盒的校准参数的方法和装置
    • US06781782B2
    • 2004-08-24
    • US09746304
    • 2000-12-21
    • Daniel D. RochatMark L. ReimannAllen T. Bracken
    • Daniel D. RochatMark L. ReimannAllen T. Bracken
    • G11B2102
    • G11B17/04
    • An information storage device (10, 510, 610, 710, 810) includes a cradle (12, 512, 612, 712, 812) which can removably receive a cartridge (11, 411, 511, 611, 711) that contains a rotatable hard disk (91, 326-327). A read/write head (107, 331-334) is supported for movement adjacent the disk by a pivotal actuator arm (101). The cradle controls alignment of the head with the disk using feedback servo tracking. Calibration parameters used to perform this tracking, such as servo information or read channel information, may be stored in a special track (414) which is on the disk, and which may be a read-only track. The special track stores a plurality of sets of calibration parameters, each corresponding to a respective combination of a cradle and an environmental characteristic such as temperature. The special track may also be used to store the number of times that the cartridge has been inserted into each of several different cradles, as well as a selected retry method which is more likely than other methods to be successful in recovering data that was subject to errors.
    • 信息存储设备(10,510,610,710,810)包括可拆卸地接纳盒(11,411,511,611,711)的托架(12,512,612,712,812),所述盒包含可旋转的 硬盘(91,326-327)。 读/写头(107,331-334)被支撑用于通过枢转致动器臂(101)与盘相邻运动。 托架通过反馈伺服跟踪控制磁头与磁盘的对齐。 用于执行该跟踪的校准参数,例如伺服信息或读取通道信息,可以存储在盘上的特殊轨道(414)中,并且其可以是只读轨迹。 专用轨道存储多组校准参数,每组校准参数各自对应于支架和诸如温度的环境特性的相应组合。 特殊轨道也可用于存储盒式磁带已被插入到几个不同摇篮中的次数以及选择的重试方法,该方法比其他方法更有可能成功地恢复受到 错误。