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Method and apparatus for correcting erroneously decoded magnetic ink characters

  • US 5,963,659 A
  • Filed: 05/05/1995
  • Issued: 10/05/1999
  • Est. Priority Date: 11/18/1994
  • Status: Expired due to Term
First Claim
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1. A method for determining and correcting errors in magnetic ink character recognition (MICR) data on a check, comprising the steps of:

  • reading the MICR data with magnetic ink character recognition (MICR) means and comparing the MICR data to a first threshold to obtain decoded data corresponding to each character of the MICR data;

    rejecting a character in the decoded data if the first threshold is not exceeded and determining that the rejected character requires correction;

    assigning a specified character to characters requiring correction in the decoded data;

    displaying the uncorrected decoded data on a display device and highlighting in reverse video a first field of said MICR data containing an error with the specified character replacing characters requiring correction;

    entering data to replace the specified characters;

    replacing the specified characters with the entered data;

    checking if the number of characters in the data entered is equal to the number of specified characters and if so replacing only the specified characters with the entered data;

    if the number of characters in the data entered is less than the number of specified characters, replacing all the decoded data with the entered data; and

    if the number of characters in the entered data is greater than in the decoded data, generating a warning message to confirm that the entered data is longer than in the decoded data prior to replacing the decoded data with the entered data.

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