Payment voucher
AssigneeCompagnie Generale d'Automatise Societe Anonyme dite
InventorRoger Lehmann
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Abstract
The invention comes within the field of bank transactions, a payment voucher which includes a hollow body in which an integrated circuit is housed, said integrated circuit constituting a memory, wherein said hollow body includes an end which bears contacts designed to co-operate with a read-and-debit machine, said contacts being connected inside the hollow body to corresponding contacts of the integrated circuit and wherein access to the integrated circuit from outside the body is provided by a cover connected to an internal security device which prevents normal use of the payment voucher in the event the said cover is opened. The invention applies to the payment of purchases.
Claims3
A payment voucher including a hollow body, an integrated circuit housed in said hollow body, said integrated circuit constituting a memory, said hollow body further including an end which bears contacts designed to co-operate with a read-and-debit machine, said contacts being connected inside the hollow body to corresponding contacts of the integrated circuit, a cover providing access to the integrated circuit from outside the body, the improvement wherein an internal security device is connected to said cover which prevents normal use of the payment voucher in the event said cover is opened.
Dependencies are inferred from the claim text.