Credit card, process and marking appliance for manufacturing sai

Details Credit card, process and marking appliance for manufacturing sai Credit card, process and marking appliance for manufacturing sai

1982-03-26

1983-11-22

Pitts, Harold I.

Registers

Records

Conductive

235487, 235488, G06K 1906

Patent

active

044171382

ABSTRACT:
This invention relates to metal-coated credit cards and to appliances for marking said credit cards in order to make deductions from the credit represented by the card. It is an object of the invention to provide such a card and marking appliance which can be used for an automatic accounting of services used for merchandise taken, such as copies taken from automatic copiers. For this purpose the metal-coated credit card which is adapted to be marked by a marking appliance in order to make deductions from the credit represented by the card has electrically conductive areas separated by electrically non-conducting areas. The credit card comprises a code-representing area, particularly at one edge of the card, and a credit-representing area which is spaced from the edges of the card and can be electrically marked in incremental areas in order to make deductions from the credit represented by the card.

REFERENCES:
patent: 4104515 (1978-08-01), Thornburg

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