Registers – Systems controlled by data bearing records – Credit or identification card systems
Patent
1989-06-27
1992-04-07
Levy, Stuart S.
Registers
Systems controlled by data bearing records
Credit or identification card systems
235379, 364408, G06K 500
Patent
active
051030799
ABSTRACT:
The invention relates to making use of a "black" list in a system where goods or services are provided in response to a memory card being presented. The complete "black" list is stored in the memory (46) of a computer center (40). The identification numbers of the cards are subdivided into a plurality of classes. The memory (28) of each local terminal (10) stores the ranks of classes having at least one identification number on the "black" list.
REFERENCES:
patent: 3394246 (1968-07-01), Goldman
patent: 4734564 (1988-03-01), Boston et al.
patent: 4822985 (1989-04-01), Boggan et al.
patent: 4870259 (1989-09-01), Boggan et al.
patent: 4908521 (1990-03-01), Boggan et al.
patent: 4943707 (1990-07-01), Boggan
Barakai Simon
Guion Christian
duBois Steven M.
Levy Stuart S.
Schlumberger Industries
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