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Tag "credit cards"
Electric credit card (Jun, 1970)

It’s like a smart card with out the smart! It seems like you could reproduce someone’s card by just looking at a picture of it…

Electric credit card

A printed-circuit credit card is the key to self-service gasoline in England. The gas pump unlocks when you insert your card in a slot to fill your tank. A data recorder recognizes your card, records your number and purchase on tape, and bills you later. The tiny circuit board doubles as a distinctive key fob.

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