×

Method and apparatus for transaction card security utilizing embedded image data

  • US 6,321,981 B1
  • Filed: 12/22/1998
  • Issued: 11/27/2001
  • Est. Priority Date: 12/22/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. A personal identification related document reader system comprising:

  • means for reading a machine readable area of a personal identification related document;

    an optical scanner for scanning a printed image area of the personal identification related document;

    means for extracting data embedded with an image in the printed image area;

    a hash algorithm for deriving information from the machine readable area;

    means for comparing the information derived from the machine readable area to the extracted data embedded within the printed image area; and

    an indicator device which informs a user if the information derived from the machine readable area and the extracted data embedded within the printed image area are within a predetermined level of agreement, the predetermined level of agreement being less than 100 percent.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×