Operator readable and machine readable character recognition sys

Details Operator readable and machine readable character recognition sys Operator readable and machine readable character recognition sys

1980-01-02

1981-06-23

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

235495, G06K 918

Patent

active

042753813

ABSTRACT:
A character recognition system incorporating a matrix of nine primary locations and four secondary locations, has a family of operator readable and machine readable alpha-numeric characters formed in relation to the matrix. Characters are designated by marking or not marking selected ones of the primary and secondary locations. The primary locations are scanned first to determine whether the combination of primary locations which is marked determines a single character. If not, the secondary locations are scanned to determine a unique character.

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patent: 3596249 (1971-07-01), Tierney
patent: 3611292 (1971-10-01), Brown et al.
patent: 3699518 (1972-10-01), Greenough et al.
patent: 3735097 (1973-05-01), Zeitlin
patent: 3776454 (1973-12-01), Jones
patent: 4132976 (1979-01-01), Siegal

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