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Control apparatus and method having program rewriting function

  • US 6,285,948 B1
  • Filed: 04/06/2000
  • Issued: 09/04/2001
  • Est. Priority Date: 05/26/1999
  • Status: Expired due to Fees
First Claim
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1. An electronic control apparatus comprising:

  • a memory having a first storage area for storing an attestation data, and a second storage area for storing a control content required for controlling a control object and capable of rewriting the control content;

    input means for inputting a code data transmitted from an external device which allows an operation of the control object;

    checking means for checking for an agreement between the transmitted code data and the stored attestation data; and

    rewriting means for rewriting the control content in the second storage area in response to a check result of the checking means.

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