MICR document smear test machine

Details MICR document smear test machine MICR document smear test machine

1987-11-20

1990-04-03

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 7, 235449, 271301, G06K 918

Patent

active

049147102

ABSTRACT:
A smear test machine for diagnosing problems associated with reader sorters used to process documents having magnetic ink characters printed thereon includes read heads which are closely juxtaposed to a document transport subsystem adapted to move the document past the read head a preselected number of times as controlled by a solenoid-operated gate.

REFERENCES:
patent: 2731621 (1956-01-01), Sontheimer
patent: 3846753 (1974-11-01), Spanjersberg
patent: 4056263 (1977-11-01), LaWhite et al.
patent: 4087789 (1978-05-01), Beery
patent: 4167664 (1979-09-01), Pass
patent: 4260879 (1981-04-01), Galatha et al.
patent: 4326705 (1982-04-01), Takahashi
patent: 4385285 (1983-05-01), Horst et al.
patent: 4684794 (1987-08-01), Holland-Letz
patent: 4764976 (1988-08-01), Kallin et al.

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