Registers – Systems controlled by data bearing records – Banking systems
Patent
1984-10-10
1986-12-09
Trafton, David L.
Registers
Systems controlled by data bearing records
Banking systems
209534, 235449, 382 7, 382 18, G06F 1530
Patent
active
046281940
ABSTRACT:
An improved currency validator having an electrical signal generating sensor for scanning an area of a bank note and generating a sequence of electrical signals in response to the currency identifying characteristics detected by the sensor in the area scanned is described. Circuitry is provided for measuring the intervals between the generated signals, classifying each of the measured intervals into one of a plurality of sets and determining the difference between the number of intervals in one of said sets and the number of intervals in another of said sets. By comparing the above difference with a constant, information concerning the validity or denomination of the bank note is obtained. Additional circuitry is described for normalizing measured intervals and set bounds to take into effect variations in the speed of transport of banknotes which are to be discriminated.
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patent: 4283708 (1981-08-01), Lee
patent: 4349111 (1982-09-01), Shah et al.
patent: 4464787 (1984-08-01), Fish et al.
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patent: 4495585 (1985-01-01), Buckley
Barnes Elwood E.
Dobbins Bob M.
Mars Inc.
Trafton David L.
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