Antifraud credit card assembly

Details Antifraud credit card assembly Antifraud credit card assembly

1992-06-12

1993-10-26

Rosenbaum, Mark

Printed matter

Having revealable concealed information, fraud preventer or...

In incorporated magnetic material

283904, B42D 1500

Patent

active

052559416

ABSTRACT:
An antifraud credit card assembly includes a card member having first and second faces and a magnetic stripe on the first face and bearing information that is presentable to a sensing machine by a person seeking to consummate a transaction. The credit card assembly further has a movable device for mechanically changing the information provided by the magnetic stripe for selectively presenting to the machine any of a plurality of messages including a single legitimate message that allows consummation of the transaction and a plurality of illegitimate messages that deny such consummation. In one example, the movable device is a slide member, and in another example, the movable device is a rotatable disc. The magnetic stripe may be removable.

REFERENCES:
patent: 3399473 (1968-03-01), Jaffe
patent: 3624938 (1970-01-01), Richard
patent: 3787839 (1974-01-01), Fayling
patent: 3972138 (1976-08-01), Armbruster et al.
patent: 4100689 (1978-07-01), Broune
patent: 4432567 (1984-02-01), Stockburger et al.
patent: 5166501 (1992-11-01), Woolley

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