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Digital data storage with increased robustness against data loss

  • US 5,737,344 A
  • Filed: 05/25/1995
  • Issued: 04/07/1998
  • Est. Priority Date: 05/25/1995
  • Status: Expired due to Term
First Claim
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1. A method for storing digital data with increased robustness against data loss, comprising the steps of:

  • storing a first predetermined number of data items in selected positions of a contiguous block of a data storage medium, said contiguous block having a second predetermined number of positions at least as large in number as the first predetermined number;

    generating a parity block by performing steps comprising;

    applying a parity routine to the first predetermined number of data items to form a parity computation;

    forming a parity map representative of the selected positions in which the first predetermined number of data items are stored; and

    storing the parity block on the data storage medium.

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