05834747 is referenced by 237 patents and cites 19 patents.

The apparatus and method described herein provides for creating multiple spatial patterns, such as magnetic patterns on credit cards. The invention includes storage of information from which patterns may be created, a pattern creation device for creating the spatial patterns, and control whereby the information which is stored is selectively utilized to cause the pattern creation. This allows multiple desired patterns to be simulated, allowing convenient replacement of a number of separate pattern carrying devices.

Title
Universal credit card apparatus and method
Application Number
334474
Publication Number
5834747
Application Date
February 19, 1997
Publication Date
November 10, 1998
Inventor
J Carl Cooper
Monte Sereno
CA, US
Agent
Jay Chesavage
Assignee
Pixel Instruments
CA, US
IPC
G06K 7/08
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