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March – Patent 3
EP619565
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Automatic transaction system used with cards to download fees or
data of a utility program
Advice on the reading of patent specifications:
Patented idea: Payment with a chip card Main claim: A certain amount of money is stored in a chip card. The terminal debits the amount and delivers the article. Further claims:
Description: In a very elaborated way the patent specification describes the concept of paying with a chip card. There are also included security aspects. Obviously the authors realised that it is unsafe to store only an amount of money on a chip card. "Active" cards, which can protect parts of their memory module against external access are much safer. Such methods are not spotted in the claims; there are only mentioned the memory modules of the card used to store data. Everyday parallel: A buyer pays a salesman a certain amont of money in advance. The salesman takes down this amount on a piece of paper (chip card). As a result of the purchase the salesman subtracts the value of the article from the quoted amount and delivers the article. The "credit" can also be negative. In summary, one can say that buying something on tick in a bar or at the grocer is also covered by this patent. Examples for patent infringements:
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