Secure property document and system

Details Secure property document and system Secure property document and system

1975-05-27

1977-03-22

La Roche, Eugene

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

235 617B, 235 6112R, 235 6112M, 250555, 340149A, G06K 1908

Patent

active

040138941

ABSTRACT:
A secure property document and system are provided which prevents the use of fraudulent credit cards and other documents. The documents each include optical and magnetic data sets. Each data set contains data elements having a spacial relationship to at least some of the data elements contained in the other data set. The system reads and processes the data to determine whether or not the spacial relationship corresponds to that recorded for the particular document. If the spacial relationship codes do not agree within predetermined limits, the document is rejected by the system, whereby the transaction may be refused or additional information requested from the document holder.

REFERENCES:
patent: 3700862 (1972-10-01), Snook
patent: 3761683 (1973-09-01), Rogers

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