Patent ID: 8245831
Filing Date: 2012-08-21
Classification: G07D

Abstract:
1. A method for checking bank notes in a bank note checking apparatus comprising the following steps: obtaining measuring values of the bank note to be checked and performing a classification of the bank note, wherein the classification distinguishes at least the classification categories selected from the group consisting of counterfeit, suspect, and genuine bank notes, wherein the classification performs an evaluation of the measuring values in a plurality of checking steps; wherein, of the plurality of checking steps, checking steps are first performed to decide whether a bank note is to be classified as counterfeit, and only if it is decided that the bank note is not to be classified as counterfeit, further checking steps are carried out to distinguish between genuine and suspect bank notes; and wherein at least in one of the plurality of checking steps for deciding whether the checked bank note corresponds to a given classification category, a linkage of a plurality of measuring values is formed and this linkage term is evaluated.