US 7,095,033 B2Granted

Multi-sided die with authenticating characteristics and method for authenticating same

OwnerNicholas Sorgeinventor

Life of this patent

Estimating the term…

Loading patent…

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.

Claims8

Dependent claims

A system for authenticating a multi-sided die by viewing under ultraviolet light, the system comprising:

(a) a die body having a plurality of sides of substantially equal area;
(b) a plurality of visible markings disposed on said plurality of sides for indicating a result of a roll of the die, wherein one or more of said plurality of visible markings include a substance which reacts visibly in a presence of invisible ultraviolet light;
(c) one or more authentication marks arranged in a selected pattern on one or more of said plurality of sides, wherein at least one of said one or more authentication marks comprises a substance which reacts visibly in the presence of invisible ultraviolet light and wherein a position of said at least one of said one or more authentication marks, comprising a substance which reacts visibly in the presence of invisible ultraviolet light, corresponds to one of said plurality of visible markings which include said substance which reacts visibly in the presence of invisible ultraviolet light;
(d) an overlay key for correlating said position of said at least one of said one or more authentication marks comprising a substance which reacts visibly in the presence of invisible ultraviolet light marks with said visible marking including said substance which reacts visibly in a presence of invisible ultraviolet light.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 10/833,217Filed 27 Apr 2004
Published: US 2005/0236581 A127 Oct 2005
Granted: 22 Aug 2006
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

G06K 7/12
By electromagnetic radiation, e.g. optical sensing; by corpuscular radiation: using a selected wavelength, e.g. to sense red marks and ignore blue…
A63F 3/00006
Types of board games: board games played along a linear track, e.g. game of goose, snakes and ladders, along an endless track
A63F 2003/00208
Boards having particular shapes, e.g. hexagonal, triangular, circular, irregular: circular game board
A63F 2009/1061
Two-dimensional [2D] jig-saw puzzles: with electric features, e.g. light, wires