Registers – Systems controlled by data bearing records – Banking systems
Patent
1986-12-18
1989-07-18
Pellinen, A. D.
Registers
Systems controlled by data bearing records
Banking systems
235380, 235382, 34082531, G06F 1530
Patent
active
048496146
ABSTRACT:
A composite IC card for controlling information of a plurality of different enterprises using an IC card in which a memory is divided into a plurality of storage areas and which has a code store section for storing a plurality of codes necessary to access the storage areas, a first code specify section for specifying a first code corresponding to each enterprise, a second code specify section for specifying a second code set according to the security level of each storage area, a code read section responsive to an instruction to access a desired storage areas from an external device for reading the first and second codes from the code store means, a code collate section for collating the externally inputted code with the code read by the code read section, and a section for allowing the access to the desired storage area thus instructed when all collations in the collate section result in a match.
REFERENCES:
patent: 3985998 (1976-10-01), Crafton
patent: 4204113 (1980-05-01), Giraud et al.
patent: 4578567 (1986-03-01), Granzow et al.
patent: 4656342 (1987-04-01), Ugon
patent: 4683372 (1987-07-01), Matsumoto
patent: 4709137 (1987-11-01), Yoshida
patent: 4734568 (1988-03-01), Watanabe
patent: 4742215 (1988-05-01), Daughters et al.
Okubo Yoshihide
Watanabe Hiroshi
Pellinen A. D.
Toppan Moore Company, Ltd.
Williams H. L.
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