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 Method and apparatus for discriminating and counting documents

Details
Inventors: Mennie, Douglas U.; Graves, Bradford T.; Mazur, Richard A.;
Assignee: Cummins-Allison Corporation (Mt. Prospect, IL)
Primary Examiner: Couso; Jose L.
Assistant Examiner: Do; Anh Hong
Attorney, Agent or Firm: Jenkens & Gilchrist

A currency identification system identifies currency bills of different denominations of a plurality of currency systems. The device includes a discriminating unit for discriminating the identity of a bill, the discriminating unit retrieving characteristic information from the bill. Furthermore, a memory stores master characteristic information associated with each genuine bill which the system is capable of identifying; the memory storing master characteristic information associated with at least one genuine bill from each of at least two currency systems. A signal processor compares the retrieved characteristic information with master characteristic information associated with at least one genuine bill. The signal processor generates an indication of the identity of said bill based on the comparison when the bill is one that the system is capable of identifying.

DETAILED DESCRIPTION It is an object of the present invention to provide an improved method and apparatus for identifying documents.
It is an object of the present invention to provide an improved method and apparatus for discriminating among currency bills comprising a plurality of currency denominations.
It is another object of this invention to provide an improved method and apparatus of the above kind which is capable of efficiently discriminating among bills of several currency denominations at a high speed and with a high degree of accuracy.
It is another object of this invention to provide an improved method and apparatus of the above kind which is capable of efficiently discriminating currencies from a number of different countries.
It is another object of this invention to provide a currency evaluation device able to discriminate among different denominations of bills from two or more currency systems.
It is another object of this invention to provide a currency evaluation device able to discriminate among different denominations of both Canadian and German bills.
It is another object of this invention to provide an improved method and apparatus of the above kind which is capable of scanning a document such as a currency bill along two or more laterally displaced segments to thereby identify the document.
It is another object of this invention to provide an improved method and apparatus of the above kind which is capable of scanning a document along two or more laterally displaced segments by using two or more laterally displaced scanheads.
It is another object of this invention to provide an improved method and apparatus of the above kind which is capable of scanning a document along two or more laterally displaced segments by using two or more laterally displaced sensors of a linear array scanhead.
It is another object of this invention to provide an improved method and apparatus of the above kind which is capable of scanning a document along two or more laterally displaced segments by using one or more laterally moveable scanheads


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