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Recording and reproducing apparatus and method using a recording layer having a positioning region

  • US 5,241,527 A
  • Filed: 03/09/1990
  • Issued: 08/31/1993
  • Est. Priority Date: 03/16/1989
  • Status: Expired due to Fees
First Claim
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1. A recording and reproducing apparatus comprising:

  • (1) a recording medium provided with a recording layer containing a repeating pattern of a plurality of first regions, each of said first regions containing a recording compound on which information can be recorded and from which recorded information can be reproduced, wherein said first regions are separated from each other by at least one second region containing a positioning compound, from which relative positioning information may be read;

    [] a probe electrode disposed opposingly to said recording medium;

    [3] a means for applying a voltage between said recording medium and probe electrode; and

    [4] a means for detecting an electric current flowing between said recording medium and probe electrode.

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