Bill discriminating method

Details Bill discriminating method Bill discriminating method

1984-01-06

1985-09-03

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

209534, 356 71, G06K 964

Patent

active

045397023

ABSTRACT:
A discriminating method, wherein a bill pattern is extracted in accordance with signals derived from selected optimum channels out of a plurality of channels connected to sensors disposed in the path across which a bill moves and the bill is discriminated through comparing the bill pattern with a reference pattern set up previously in accordance with the discriminating operational modes and the kind of bill. Bill discriminating units are provided, each having a RAM and a multiplexer. The RAM permits writing of any desired reference pattern therein, while the multiplexer selects any desired channels. Because of this arrangement, it is possible to discriminate bills for different operational modes and different kinds of bills.

REFERENCES:
patent: 3718823 (1973-02-01), Niikura et al.
patent: 4041456 (1977-08-01), Ott et al.
patent: 4179685 (1979-12-01), O'Maley
patent: 4356476 (1982-10-01), Freudenthal

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