×

Data protection on an optical disk

  • US 6,747,930 B1
  • Filed: 09/29/1998
  • Issued: 06/08/2004
  • Est. Priority Date: 12/24/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. An identification card, comprising:

  • a magnetic strip for encoding data thereon, wherein said strip is capable of being read when said card is swiped through a magnetic strip reader, said strip detectable from a first surface of said card;

    an optical data storage portion for encoding data thereon, wherein said optical data storage portion is capable of being read from one of;

    said first surface, and a second surface of said card, when an optical disc reader rotates said card about a hole in said card.

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