Multi-sided die with authenticating characteristics and method for authenticating same
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United States of America Patent
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-
Aug 22, 2006
Grant Date -
Oct 27, 2005
app pub date -
Apr 27, 2004
filing date -
Apr 27, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for authenticating a multi-sided die by viewing the die under invisible ultraviolet light. A die body has a plurality of sides of substantially equal area. A plurality of visible markings for indicating a roll of the die are disposed on the die sides. One or more of the markings include a substance which visibly reacts with invisible ultraviolet light. One or more authentication marks including a substance which visibly reacts with invisible ultraviolet light are arranged in a selected pattern on one or more of the die sides. A position of the authentication mark or marks in the selected pattern corresponds to the visible marking having a substance which visibly reacts with invisible ultraviolet light. An overlay key correlates the position of the authentication mark with the visible marking.
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