Method and apparatus for authenticating documents

G - Physics – 06 – M

Patent

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G06M 3/00 (2006.01) G06K 9/00 (2006.01) G06M 9/00 (2006.01) G07D 7/00 (2006.01)

Patent

CA 2188701

A device and method of authenticating currency, using a currency authenticator having a plurality of sensitivity settings. Characteristic information from a bill to be authenticated is obtained using a characteristic detector, and an output signal is generated. One of a plurality of sensitivity settings is selected, and the output signal is compared to reference information associated with the selected sensitivity setting; the reference information being stored in a memory of the authenticator. The memory which stores reference information is associated with each of the sensitivity settings for each of a plurality of denominations. An indication that the bill is counterfeit is provided if the output signal does not satisfactorily compare with the reference information.

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Profile ID: LFCA-PAI-O-2018387

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