Playing cards security system

Details Playing cards security system Playing cards security system

1998-08-13

2000-03-28

Pitts, Andrea L.

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

250271, 283 89, 283 91, 382116, B42D 1500

Patent

active

060421509

ABSTRACT:
A playing cards security system for detecting when additional playing cards are added to a deck of playing cards. The system includes a deck of playing cards where each playing card of the deck of playing cards has predetermined indicia provided thereon. The predetermined indicia of the each of the playing cards is the same as the predetermined indicia of the other playing cards of the deck of playing cards. The predetermined indicia is viewable under ultra-violet light and hidden from view under ambient light.

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patent: 5742411 (1998-04-01), Walters
patent: 5900954 (1999-05-01), Katz et al.

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