Transaction approval system

Details Transaction approval system Transaction approval system

1990-11-09

1993-01-05

Shepperd, John W.

Registers

Systems controlled by data bearing records

Banking systems

235380, 34082533, G06F 1521

Patent

active

051773422

ABSTRACT:
A transaction approval system (10) is disclosed which includes various enhancements to existing systems. For example, the transaction limit (30) stored in the terminal can by dynamically adjusted to vary the level of risk at the terminal to be closer to the desired level of risk. The terminal will also generate and store a list of account numbers (44,46) which might be invalid and should provode an on-line request for authorization.

REFERENCES:
patent: 3696335 (1972-10-01), Lemelson
patent: 4485300 (1984-11-01), Peirce
patent: 4558211 (1985-12-01), Berstein
patent: 4795890 (1989-01-01), Goldman
patent: 4812628 (1989-03-01), Boston et al.
patent: 4874932 (1989-10-01), Kimizu
patent: 4891503 (1990-01-01), Jewell
patent: 4943707 (1990-07-01), Boggan

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