Lottery ticket integrity number
AssigneeScientific Games, LLC
InventorsJohn R. Koza, Martin A. Keane, William F. Behm
Life of this patent
Estimating the term…
Abstract
A method for enhancing the security of instant lottery tickets. A book number indicating from which packet a particular lottery ticket originated is printed on the back of the ticket and an integrity number is printed on the front of the ticket. The integrity number is related to the book number by an algorithm known only to the ticket manufacturer and the lottery administration. To further enhance the security of the ticket, the book number and integrity number are simultaneously printed onto the ticket.
Claims8
In a lottery ticket having a first member laminated to a second member, winning indicia printed on one of said members, space provided on one of said members to write winner information, and accounting information printed on said first member;
- the improvement comprising:
- an integrity number, algorithmicly related to at least a portion of said accounting information, printed on said second member.
Dependencies are inferred from the claim text.