Method for erasing recorded information on rewritable recording medium, device and readable medium

Method for erasing recorded information on rewritable recording medium, device and readable medium

  • CN 1,536,560 B
  • Filed: 03/10/2004
  • Issued: 08/17/2011
  • Est. Priority Date: 04/11/2003
  • Status: Active Grant
First Claim
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1. method that is used to wipe the information that writes down on recording medium comprises:

  • Search for the test result information that writes down on the record management zone that is positioned on the recording medium about recording power;

    If in search, do not find test result information to test result information, then test is arranged in the recording power in the power control zone territory on the recording medium, and the recording power result by the service recorder power test, formerly write down at least a portion of user data area of recording of information medium and write down unique patterns, thereby wiped the information that on recording medium, writes down;

    If find test result information then read described test result information, and by using recording power based on the test result that is read, formerly write down at least a portion of user data area of recording of information medium and write down unique patterns, thereby wipe the information that on recording medium, writes downWherein, described unique patterns is and is used for the different pattern of the pattern of recording scheduled information on recording medium.

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