Updating of a smart card value counter

Details Updating of a smart card value counter Updating of a smart card value counter

2007-08-21

2007-08-21

Lee, Michael G. (Department: 2876)

Registers

Systems controlled by data bearing records

Credit or identification card systems

C235S492000, C705S041000

Reexamination Certificate

active

11076803

ABSTRACT:
A method and a system for updating a counter of an electronic component in which are stored recordings, each containing at least one individual value and at least one sorting value, including: transferring into a memory of a reader an initial count of the counter and said recordings; calculating on the reader side an intermediary count equal to the minimum of the initial count and of the sum of the individual values of the recordings, the sorting value of which is within a range known by the reader; and transferring into the counter of the electronic component a number which is a function of the intermediary count.

REFERENCES:
patent: 4800520 (1989-01-01), Iijima
patent: 5649118 (1997-07-01), Carlisle et al.
patent: 5806045 (1998-09-01), Biorge et al.
patent: 6505773 (2003-01-01), Palmer et al.
patent: 1085475 (2001-03-01), None
patent: WO 0003362 (2000-01-01), None
French Search Report from corresponding French Application No. 0450485, filed Mar. 10, 2004.

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