Universal device to determine the name and validate banknotes.
1997
Apparatus for providing an indication of a note type associated with a note sensed by said apparatus comprising: a radiation source on a first side of said note (30), wherein said radiation source directs radiation to a point test (34) of said ticket; a first detector (20) on the first side of said note, wherein said first detector sends a first signal in response to radiation reflected from said test spot to said first detector; a second detector (22) on a second opposite side of said note, wherein said second sensor sends a second signal responsive to radiation transmitted through said test spot to said second detector; a circuit (24) in operative connection with a data memory (26), wherein said circuit is operative to activate said radiation source and to generate reflectance values and transmission in response to said first and second signals respectively, wherein said circuit is operative to calculate at least one value representative of a level of correlation between said reflectance values and transmission values stored in said memory corresponding to the transmission properties and adjacent reflection to said test point data for each a plurality of known note types.
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