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    • 1. 发明授权
    • Method and system for MR offset calibration
    • MR偏移校准的方法和系统
    • US06498693B1
    • 2002-12-24
    • US09365429
    • 1999-08-02
    • Andrew Hoan AuRobert Li
    • Andrew Hoan AuRobert Li
    • G11B2736
    • G11B5/455G11B5/02G11B5/59627G11B5/59683G11B27/36G11B2005/0016G11B2220/20
    • Method and system aspects for calibrating an MR offset in an MR head are presented. A method aspect includes identifying an occurrence of a calibration condition to initiate an MR offset check, and performing the MR offset check to ensure an MR offset value has not changed beyond an acceptable tolerance in order to maintain proper servoing of the MR head. A system aspect includes a hard disk for storing data, a read/write MR head for reading and writing data to/from the hard disk, and a control unit. The control unit performs an MR offset calibration of an MR offset value for the read/write MR head in response to a calibration condition occurring in order to ensure maintenance of the MR offset value within an acceptable tolerance for proper servoing of the read/write MR head.
    • 提出了校准MR磁头MR偏移的方法和系统方面。 方法方面包括识别用于启动MR偏移检查的校准条件的发生,以及执行MR偏移检查,以确保MR偏移值没有改变超过可接受的公差,以便维持MR头的适当的伺服。 系统方面包括用于存储数据的硬盘,用于从/从硬盘读取和写入数据的读/写MR磁头以及控制单元。 响应于所发生的校准条件,控制单元对读/写MR磁头进行MR偏移值的MR偏移校准,以确保将MR偏移值维持在读/写MR的适当伺服的可接受公差内 头。