Document verification system
First Claim
1. An electronic document verification system comprising:
- a document having document data and a circuit element representing verification data printed on said document;
electronic verification means having first circuit means for coupling a first electronic circuit with said circuit element for generating a verification signal representing said verification data wherein said verification data is represented by the electrical signature of said circuit element and a second circuit means for obtaining said document data from said document for generating a data signal representing said document data; and
processing means operatively connected to said electronic verification means for relating said data signal to said verification signal to verify at least a portion of said document data.
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Accused Products
Abstract
Determination of the authenticity and integrity of various types of documents such as lottery tickets is accomplished by using an electronic verification machine to compare data contained in electronic circuits printed on the document to document data printed on the document. The electronic circuits are printed on the document in conductive or semiconductive ink using, for example the gravure printing process, and the presence or status of the circuits can be used to verify or authenticate the document. Data can be represented in the electronic circuits by the electrical signature of the circuit which is measured by the electronic verification machine. In the case of lottery tickets, a ticket can be validated by having the electronic verification machine determine which play spots have been removed from the ticket and comparing data on the ticket with the removed play spots to determine a play redemption value for the ticket. Document verification or lottery ticket validation can also be accomplished by transmitting signature data from the electronic circuits via the electronic verification machine to a central computer for comparison with document data.
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Citations
100 Claims
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1. An electronic document verification system comprising:
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a document having document data and a circuit element representing verification data printed on said document; electronic verification means having first circuit means for coupling a first electronic circuit with said circuit element for generating a verification signal representing said verification data wherein said verification data is represented by the electrical signature of said circuit element and a second circuit means for obtaining said document data from said document for generating a data signal representing said document data; and processing means operatively connected to said electronic verification means for relating said data signal to said verification signal to verify at least a portion of said document data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100)
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Specification