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Method and apparatus for process control, tension control, and testing of magnetic media

  • US 5,408,505 A
  • Filed: 10/29/1993
  • Issued: 04/18/1995
  • Est. Priority Date: 04/09/1993
  • Status: Expired due to Fees
First Claim
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1. In a device having a head for at least reading data magnetically encoded on a magnetic medium, said device having means for controlling the tension of said magnetic medium as it passes by said head, the improvement comprising means for cross-correlating a magnetic fingerprint of said magnetic medium and controlling said tension control means in response thereto.

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