Information recording apparatus including system control means for producing managing information for managing data recorded on an information recording medium and preventing designated data from being accessed

  • US 6,243,340 B1
  • Filed: 07/24/1998
  • Issued: 06/05/2001
  • Est. Priority Date: 08/07/1997
  • Status: Expired due to Term
First Claim
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1. An information recording apparatus comprising:

  • means for driving an information recording medium;

    recording means for recording data on said information recording medium;

    digital signal processing means for processing said data; and

    system control means for controlling said driving means, said recording means and said digital signal processing means, said system control means detecting a decrease in a residual storage of a battery supplying electricity to said information recording apparatus, producing managing information (intermediate information) utilized for managing data recorded on said information recording medium when the residual storage of a battery decreases, and recording the managing information on said information recording medium when said residual storage of the battery decreases.

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