Document processing, magnetic character detecting apparatus

Details Document processing, magnetic character detecting apparatus Document processing, magnetic character detecting apparatus

1977-05-23

1978-08-15

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

235449, G06K 900

Patent

active

041076532

ABSTRACT:
A document processing apparatus that detects magnetic characters on documents as they pass therethrough. The apparatus includes a transport path, pairs of wheels for driving the documents through the apparatus, a DC magnetic writing device and a magnetic reading device. The DC magnetic writing device orientates the magnetic dipoles of the characters on the documents; and the reading device detects the orientated dipoles of the characters. The writing device precedes the reading device and is provided by two magnets, one of which is located on each side of the transport path, with the magnets having like magnetic poles facing toward each other.

REFERENCES:
patent: 3192504 (1965-06-01), Miller
patent: 3619570 (1971-11-01), Grosbard
patent: 3638238 (1972-01-01), Milford et al.
patent: 3651311 (1972-03-01), Berezin et al.
patent: 3755652 (1973-08-01), Endo et al.
patent: 3879754 (1975-04-01), Ballinger
patent: 3986206 (1976-10-01), Fayling

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