OCR and Bar code reader using multi port matrix array

Details OCR and Bar code reader using multi port matrix array OCR and Bar code reader using multi port matrix array

1981-04-09

1983-10-04

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

235436, 235440, 235462, 382 68, 382 57, G06K 928

Patent

active

044083440

ABSTRACT:
A common scanning unit is utilized in an optical character reader which reads both alphanumeric and bar code characters. An N column by M row area photosensor detects both the alphanumeric and bar code signals. The system detects which type of character is being read and then outputs the identity of the character.

REFERENCES:
patent: 3033449 (1962-05-01), Quinn et al.
patent: 3558859 (1971-01-01), Dilsner et al.
patent: 3663803 (1972-05-01), Mohan et al.
patent: 3870865 (1975-03-01), Schneiderhan et al.
patent: 3902049 (1975-08-01), Hanchett, Jr.

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