OCR/Variable head slot reader

Details OCR/Variable head slot reader OCR/Variable head slot reader

1980-07-07

1983-08-02

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

235440, 235449, 235454, 235485, 382 7, 382 65, G06K 7015

Patent

active

043969020

ABSTRACT:
A reading device which uses both optical character recognition techniques and magnetic reading are combined in a reader wherein the magnetic reading head stays at a fixed position while the optical reading aperture may be varied to accomodate different documents. The slot through which checks, credit cards or other similar documents are passed is movable vertically to adapt to different media from which information is to be read.

REFERENCES:
patent: 3578953 (1971-05-01), Milford et al.
patent: 3764978 (1973-10-01), Tyburski et al.
patent: 3780264 (1973-12-01), Kondur, Jr. et al.
patent: 3938089 (1976-02-01), McGregor et al.
patent: 3939327 (1976-02-01), Humphrey
patent: 3949363 (1976-04-01), Holm
patent: 4013894 (1977-03-01), Foote et al.
patent: 4107653 (1978-08-01), Kruklitis
patent: 4137449 (1979-01-01), Townsend et al.
patent: 4201978 (1980-05-01), Nally
patent: 4205780 (1980-06-01), Burns et al.

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