Patent ID: 6349972
Filing Date: 2002-02-26
Classification: B42D,G07D,G07F,G07G,Y10S

Abstract:
A method for providing a voucher in a coin discriminator, having a discriminator printer, with the voucher configured to assist in distinguishing unauthorized duplicate or counterfeit vouchers, the method comprising the steps of:providing a computer coupled to said printer and an i/O device coupled to said computer; printing at least first language on a thermal paper substrate, oriented in a first direction, using a fluorescent ink such that said first language has a first appearance on said thermal paper substrate but wherein a photocopy of first language has a second appearance, different from said first appearance; printing at least second language oriented in a directions about 90 degrees to said first direction positioned less than 0.25 inches from an edge of said thermal paper substrate; placing a substantially non-visible mark on said thermal paper substrate using a first marking medium; wherein said thermal paper substrate has marked thereon, at least an initial serial number identifying a unit of said thermal paper substrate; loading said unit of said thermal paper substrate into a position from which thermal paper substrate in said unit can be fed to said discriminator printer; inputting said serial number into said computer using said i/O device; using said discriminator printer to print, on said thermal paper substrate, at least first indicia containing an indication of a value of said voucher; printing a number related to said serial number on said thermal paper substrate; providing a plurality of perforations in said medium to define a first curved pattern of microperforations which includes a region defining a radius of curvature less than about 0.5 inches; and rubbing said non-visible mark with a coin wherein portions of said coin adhere to said non-visible mark to render said mark visible.