METHOD AND DEVICE FOR EXAMINING VALUE DOCUMENTS

The invention relates to an apparatus and a method for checking the usage state of a document of value. The document of value is illuminated with illumination light and with the help of an image sensor there is detected the light intensity of the light reflected from the document of value in order t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WUNDERER, BERND, SU, SHANCHUAN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHECKING-DEVICES HANDLING OF COINS OR OF PAPER CURRENCY OR SIMILAR VALUABLEPAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING,DISPENSING, CHANGING OR DEPOSITING PHYSICS
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Beschreibung
Zusammenfassung:	The invention relates to an apparatus and a method for checking the usage state of a document of value. The document of value is illuminated with illumination light and with the help of an image sensor there is detected the light intensity of the light reflected from the document of value in order to take an image of the document of value. Of the taken image there is chosen an image detail in which there is imaged an opaque, reflective section of the document of value. The chosen image detail is examined for signs of creases which are possibly present in the opaque, reflective section of the document of value. The results of the examination for creases are used to evaluate the usage state of the document of value.