Method and apparatus for validating money

Details Method and apparatus for validating money Method and apparatus for validating money

1995-08-09

1997-04-29

Merritt, Karen B.

Check-actuated control mechanisms

Including value accumulator for plural checks

Having solid state circuitry

194317, 324227, G07D 508

Patent

active

056240198

ABSTRACT:
Money items are validated by determining whether n measured properties lie within an n-dimensional ellipse associated with a particular money item. The center of the ellipse lies on the statistical mean of the property measurements for that particular item, and each axis is related to the standard deviation for a respective property measurement.

REFERENCES:
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patent: 4556140 (1985-12-01), Okada
patent: 4742903 (1988-05-01), Trummer
patent: 5048662 (1991-09-01), Yamashita et al.
patent: 5167313 (1992-12-01), Dobbins et al.
patent: 5191957 (1993-03-01), Hayes
patent: 5213190 (1993-05-01), Furneaux et al.
patent: 5330041 (1994-07-01), Dobbins et al.
patent: 5355989 (1994-10-01), Best
F. Barlach, "Payphone Coin Validation Using Pattern Recognition," Pattern Recognition, vol. 23, pp. 379-384 (1990).

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