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Bob M Dobbins, Elwood E Barnes: Method and apparatus for currency validation. Mars, Davis Hoxie Faithfull & Hapgood, December 9, 1986: US04628194 (192 worldwide citation)

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 ...


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Dobbins Bob M, Barnes Elwood E: Method and apparatus for currency validation.. Mars, June 7, 1989: EP0319524-A2 (13 worldwide citation)

An improved currency validator (1) has one or more sensors (18; 24; 30) positioned along a bill passageway (4) for testing a bill transported along the bill passageway and for generating electrical signals in response to certain features of the bill. Data derived from the electrical signals is proce ...


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Dobbins Bob M, Barnes Elwood E: Method and apparatus for currency validation.. Mars, June 7, 1989: EP0319525-A2 (8 worldwide citation)

An improved currency validator (1) has one or more sensors (18; 24; 30) positioned along a bill passageway (4) for testing a bill transported along the bill passageway and for generating electrical signals in response to certain features of the bill. Data derived from the electrical signals is proce ...


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Dobbins Bob M, Barnes Elwood E: Methode et appareil de validation de monnaies, Method and apparatus for currency validation. Mars, KIRBY EADES GALE BAKER, August 2, 1988: CA1240059

ABSTRACT: The present invention relates to a method and apparatusfor determining the authenticity and denomination of papercurrency wherein the currency has a plurality of distinctareas each containing currency identifying characteristics. The method comprising the steps of scanning one of theareas ...


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Dobbins Bob M, Barnes Elwood E: Method and apparatus for currency validation. Mars Incorporated, PRIEST Peter H, April 24, 1986: WO/1986/002476

An improved currency validitor (1) has one or more sensors (18; 24; 30) positioned along a bill passageway (4) for testing a bill transported along the bill passageway and for generating electrical signals in response to certain features of the bill. Data derived from the electrical signals is proce ...


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