Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent
1985-03-04
1987-03-10
Rubinson, Gene Z.
Registers
Systems controlled by data bearing records
Credit or identification card systems
235493, 235489, 235494, 34082533, G06K 1502
Patent
active
046492658
ABSTRACT:
A method of safeguarding against the re-transfer of uniquely recorded information on a data carrier (1) includes the recording of the information data and in addition thereto a simultaneously recording of an additional information on the data carrier (1) which reflects co-ordination characteristics relative to the data carrier. In order to carry out the method an apparatus is provided for recording and/or reading a re-transfer protected information on a data carrier (1) with a recording and/or reading device (4). The apparatus comprises a device (13) for detecting measurable properties (3) which are present at singular points of the data carrier (1) and for producing an additional information characterizing such properties.
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"Infrared Transparent Credit Card", IBM Technical Disclosure Bulletin, vol. 9, No. 7, Dec. 1966, p. 87.
Bauer Siegfried
Stockburger Hermann
Brown Donald
Copytex GmbH Sicherheitssysteme
Lev Robert G.
Rubinson Gene Z.
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