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Magnetic recording device

  • US 6,141,162 A
  • Filed: 06/11/1998
  • Issued: 10/31/2000
  • Est. Priority Date: 06/20/1997
  • Status: Expired due to Term
First Claim
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1. An abnormality detection method of a magnetic recording device, for detecting an abnormality of a data write to a magnetic recording medium by monitoring a write current supplied to a magnetic head, comprising the steps of:

  • performing a write operation in a data area of the magnetic recording medium by supplying a predetermined write current to said magnetic head;

    performing a rewrite operation by supplying a rewrite current having a value different from that of the predetermined write current to said magnetic head when an abnormality is detected in the write operation with the predetermined write current; and

    judging a data write abnormality when an abnormality is detected in the rewrite operation with the rewrite current.

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