Process for identifying an embossed image of a coin in an automatic coin tester

Abstract

A process for identifying an embossed image of a coin in an automatic coin tester, comprising the process steps below: The coin is moved to an image receiver and a light source, the image receiver picks up at least one image of the embossed image of the coin, an validation device compares the image to a first reference pattern to find out whether the first reference pattern is contained in the image which was picked up, if the first reference pattern is contained in the image the validation device determines whether a second reference pattern is contained in an area the position of which is determined relative to the position of the first reference pattern, the validation device produces a genuine coin or counterfeit coin signal for the coin depending on the coincidence of the image with the reference patterns.

Dependencies are inferred from the claim text.