IC card and issuing apparatus allowing multiple applications

Registers – Coded record sensors – Particular sensor structure

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395800, 235380, 380 4, G06F 1200

Patent

active

057297177

ABSTRACT:
A card contains an IC chip having a CPU, a memory, etc. When the card is inserted into a terminal device, it is connected to a host computer. Under this condition, the data in the memory of the IC card is processed by the host computer. The memory is manufactured in such a way that the memory area is segmented into a plurality of zones. An access controller for the memory is provided in the IC chip. In issuing the card, the access condition of each zone (for example, an assortment of access people and/or a type of access terminal) is programmed into the access controller by a card issuer.

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Sutton et al., "Processors Sharing and Partitioning of Main Storage in the MP System", IBM Technical Disclosure Bulletin, Oct. 1979, pp. 2009-2010.
"The Concept of a Multipurpose (Microcircuit) Card", Chip Card News, Dec. 1982, p. 6.
"Security Aspects in a Chip Card POS Payment System", Chip Card News, Apr. 1983, p. 5.
Baer JL, "Computer System Architecture" Computer Science Press 1980, pp. 296-309.

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