Method and apparatus for validating money

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

1995-08-09

1997-04-01

Merritt, Karen B.

Check-actuated control mechanisms

Control mechanism actuated by check, other than coin , which...

By pliant currency

194317, G07D 508, G07D 700

Patent

active

056157606

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.

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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: 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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