Accessory for a machine to verify the authenticity documents such as bank notes and checks

摘要

There is a light transmitter (5) as well as one or several receptors (8) with light of spectral bands. These are similar to or different from a processing unit and analogue signal analysis. The signals emanate from photo-sensitive receptors (8), which allow the analysis of signals received. They also produced results of the authenticity of the document controlled (2). The result is communicated to the user.