04961142 is referenced by 487 patents and cites 13 patents.

A transaction terminal for use with diverse credit or other transaction cards is provided with an interface unit for receiving a plurality of modules, wherein each module contains programming information corresponding to transactions that may be carried out with at least one of the diverse identification cards presented to the machine. Accordingly, financial institutions who issue cards can independently arrange and program their own security and transaction routines which are to be carried out with the cards and distribute such routines in a secure manner for use on a common terminal.

Title
Multi-issuer transaction device with individual identification verification plug-in application modules for each issuer
Application Number
7/212892
Publication Number
4961142
Application Date
June 29, 1988
Publication Date
October 2, 1990
Inventor
Keith Jarett
Oakland
CA, US
William Altman
Lower Paxton
PA, US
Lawrence Ladouceur
Scarsdale
NY, US
James A O Connell
Short Hills
NJ, US
John C Elliott
Summit
NJ, US
Agent
Brumbaugh Graves Donohue & Raymond
Assignee
MasterCard International
NY, US
IPC
G06F 15/30
H04L 9/00
G07F 19/00
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