A record carrier and method of labelling an article of value

Details A record carrier and method of labelling an article of value A record carrier and method of labelling an article of value

G - Physics

06

K

G06K 19/06 (2006.01) G06K 19/12 (2006.01)

Patent

CA 2272920

A record carrier (1) has a secure first data storage means (2) storing a plurality of different identification numbers (12, 13, 14) in a sequence and a further data storage means (3) storing a further number. The identification numbers comprise successive integers, and the further number comprises the least significant digit of one of the said integers. The secure data storage means preferably comprises permanently structured magnetic tape. The further number is derivable in a predetermined way from only one of the identification numbers, thus identifying uniquely which one of the identification numbers is characteristic of the record carrier.

Le support d'enregistrement (1) de l'invention est constitué d'un premier support de données sûr (2) dans lequel sont stockés, de manière séquentielle, plusieurs numéros d'identification différents (12, 13, 14), et d'un autre support de données (3) dans lequel est stocké un autre numéro. Les numéros d'identification comprennent des nombres entiers successifs et l'autre numéro comprend le bit de moindre poids d'un desdits nombres entiers. Le support de données sûr comprend, de préférence, une bande magnétique à structure permanente. L'autre numéro ne peut être soustrait de manière prédéterminée que d'un seul des numéros d'identification, ce qui permet de déterminer uniquement lequel des numéros d'identification est caractéristique du support d'enregistrement.

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