Hierarchic arrangement for the verification and renewal of...

Details Hierarchic arrangement for the verification and renewal of... Hierarchic arrangement for the verification and renewal of...

H - Electricity

04

K

354/41, 340/70

H04K 1/00 (2006.01)

Patent

CA 1194570

ABSTRACT OF THE DISCLOSURE The invention provides an electronic fund transfer and data protection system comprising; a plurality of portable data carriers; a plurality of transaction terminals; self-contained portable storage units for storing security test numbers and a list of transaction events data obtained from said transaction terminals; computer units with data storage space for receiving transaction event data from the self-contained storage units and for imparting new test numbers thereto; and an originating station where security test numbers are generated and electrically passed to the computer units via dedicated communication lines.

408145

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