DEVICE AND METHOD FOR TESTING VALUABLE DOCUMENTS AND SYSTEM FOR HANDLING OF VALUABLE DOCUMENTS

An apparatus, a corresponding method, and value-document processing system for checking value documents that has at least two radiation sources for giving off electromagnetic radiation with which a value document is irradiated, at least one sensor for capturing the electromagnetic radiation emanatin...

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Bibliographic Details
Main Authors RAUSCHER, Wolfgang, GIERING, Thomas, FRANKENBERGER, Jörg
Format Patent
LanguageEnglish
French
German
Published 20.09.2023
Subjects
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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Summary:An apparatus, a corresponding method, and value-document processing system for checking value documents that has at least two radiation sources for giving off electromagnetic radiation with which a value document is irradiated, at least one sensor for capturing the electromagnetic radiation emanating from the value document, and generating corresponding sensor signals. The apparatus has an evaluation device configured to derive from the sensor signals corrected sensor signals taking into account at least one spectral property of the electromagnetic radiation of the at least two radiation sources. The sensor signals corrected in this way reproduce the actual reflection or transmission behavior of the value document substantially more precisely than the uncorrected sensor signals. Disturbing remission or transmission artifacts may be attributed to so-called auxiliary emissions of the radiation sources are eliminated or at least reduced.
Bibliography:Application Number: EP20150791248