G - Physics – 06 – M
Patent
G - Physics
06
M
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.
Csulits Frank M.
Graves Bradford T.
Jones John E.
Jones William J.
Mennie Douglas U.
Cummins-Allison Corp.
Marks & Clerk
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