06308890 is referenced by 220 patents and cites 20 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
9/109312
Publication Number
6308890 (B1)
Application Date
June 30, 1998
Publication Date
October 30, 2001
Inventor
J Carl Cooper
Monte Sereno
CA, US
Agent
Jay A Chesavage
US
Assignee
Pixel Instruments
CA, US
IPC
G06K 7/08
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