Chip card with integrated time-determining system
First Claim
Patent Images
1. Billing method for billing a call to a user identified with an identification card in a telecommunication network, including:
- determining a time indication that is available in said identification card, computing the amount to be billed depending on said determined time indication, wherein said time indication is determined with a GPS receiver.
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Accused Products
Abstract
Billing method for billing a call to a user identified with an identification card (2) in a telecommunication network. The duration of the calls is determined by a GPS receiver. The identification card further preferably comprises downloaded scales of charges, the billed amount depending on the determined duration of the call and on the stored scales of charges.
Advantage: the determined time can not be falsified by the user.
32 Citations
39 Claims
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1. Billing method for billing a call to a user identified with an identification card in a telecommunication network, including:
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determining a time indication that is available in said identification card, computing the amount to be billed depending on said determined time indication, wherein said time indication is determined with a GPS receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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- 11. Chip card with at least one processor allowing the storage of data containing at least user identification data, wherein said processor is able to decode digital signals sent by a location-determining satellite system to determine a time indication.
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27. System for determining the duration of processes in a chip card, comprising:
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a chip card that can be used in a digital telecommunication network to identify a user in this telecommunication network, a receiver to receive signals of a location-determining satellite and to determine a time indication from these signals, wherein said time information is available in said chip card for measuring the duration of processes in this chip card.
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Specification