Patent Number: 6,254,002

Title: Antiforgery security system

Abstract: Security can be enhanced for any circular casino chip, betting chip or token by a magnetically readable system that may be applied to circular casino chip, betting chip or token. A circular casino chip, betting chip or token could be constructed and having at least a first, second and third set of magnetic readable information permanently attached to the circular casino chip, betting chip or token to form a source of magnetically readable information. Each set of magnetic information may have magnetic elements comprising a fiber, magnetic material filled binder, filament or strip, said first magnetic element having at least one magnetic property along the length of said fiber, magnetic filled binder, filament or strip, or physical spacing between said first magnetic element and said second magnetic element which can be mechanically read as different from the magnetic property or position of the second magnetic element. The information can be read from the side of the chip, so that stacks of chips may be read.

Inventors: Litman; Mark A. (Edina, MN)

Assignee:

International Classification: G07F 1/00 (20060101); G07D 7/04 (20060101); G07F 1/06 (20060101); G07D 7/00 (20060101); G06K 19/06 (20060101); G06K 19/12 (20060101); G06K 7/08 (20060101); G06K 007/08 ()

Expiration Date: 07/03/2018