Combined magnetic optical character reader

Details Combined magnetic optical character reader Combined magnetic optical character reader

1978-06-05

1984-10-02

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

235437, 235440, 235449, 235454, 382 57, 382 62, 382 64, 382 65, G06K 900

Patent

active

RE0316920

ABSTRACT:
A system and method for character recognition in which each of a plurality of characters is recognized both magnetically and optically. If the magnetic reader fails to recognize a character while the optical reader is successful in recognizing it, a character identification signal corresponding to the character recognized by the optical reader is generated while if the optical reader fails to recognize a character and the magnetic reader is successful in recognizing it, an identification signal corresponding to the character recognized by the magnetic reader is generated. Where the magnetic and topical readers provide signals indicative of different characters while attempting to read the same character, depending on the parameters of the system an identification signal corresponding to one or the other recognition signals, or a reject signal is generated.

REFERENCES:
patent: 2950971 (1960-08-01), Lewin
patent: 2995730 (1961-08-01), Marcellus
patent: 3114131 (1963-12-01), Furr et al.
patent: 3160855 (1964-12-01), Holt
patent: 3181119 (1965-04-01), Rabinow
patent: 3271738 (1966-09-01), Kamentsky
patent: 3612835 (1971-10-01), Andrews et al.
patent: 3764980 (1973-10-01), Dansac et al.
patent: 3895350 (1975-07-01), DeVries

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