Error correcting bar code reader

Details Error correcting bar code reader Error correcting bar code reader

1978-11-13

1980-09-23

Kilgore, Robert M.

Registers

Coded record sensors

Error checking

235462, 235491, 3401463Z, G06K 500, G06K 918, G06K 1906, G06K 710

Patent

active

042245087

ABSTRACT:
A low cost, high performance bar code reader is required for reading the CFC-6 character font. The character is printed in fluorescent bars which are coded by different spacing between each bar so that it can be machine readable. A special recognition logic is developed to read the font when it is data lifted by the analog front end. An error correction capability is built in to correct certain correctable errors such as a missing bar.

REFERENCES:
patent: 3044696 (1962-07-01), Feissel
patent: 3286233 (1966-11-01), Lesueur
patent: 3354432 (1967-11-01), Lamb
patent: 3538500 (1970-11-01), Hanchett
patent: 3744025 (1973-07-01), Bilgutay
patent: 3932840 (1976-01-01), Hanchett
patent: 4053737 (1977-10-01), Lefevers
patent: 4059224 (1977-11-01), Seligman

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