The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 11, 2001
Filed:
Feb. 03, 1999
Lily O'Boyle, Elmsford, NY (US);
American Bank Note Holographics, Inc., Elmsford, NY (US);
Abstract
The object of the present invention is to effectively enhance card security in a system using identification card or the like. The card security system comprises a card issuing apparatus,and a card reader,. The card issuing apparatus,obtains data D and E by reading hologram,and barcode,on a card,. Data A, B and C are input from computer,. An encryption unit,generates check data EN based on data A-E. A magnetic writer,write the data A-E and EN on a magnetic stripe,. The card reader,reads data A-E and EN from the card,, generates check data based on the read data A-E, and determines whether or not the card is genuine by comparing the calculated check data with the read check data EN.