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Document verification system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06F-015/20
출원번호 US-0263883 (1994-06-22)
발명자 / 주소
  • Behm William F. (Marietta GA) Levy Bert (Atlanta GA) Irwin
  • Jr. Kenneth E. (Alpharetta GA)
출원인 / 주소
  • Scientific Games Inc. (Alpharetta GA 02)
인용정보 피인용 횟수 : 147  인용 특허 : 0

초록 ▼

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

대표청구항 ▼

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 generat

이 특허를 인용한 특허 (147)

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