Character doubling eliminator

Details Character doubling eliminator Character doubling eliminator

1981-03-24

1983-05-31

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 59, 382 68, G06K 922

Patent

active

043864333

ABSTRACT:
A circuit utilizing four flip flops and a number of gates is used to prevent character doubling when reading optically with a hand held optical character reader. The character can move partially out of and then back into the scanning view without losing character presence, thereby, preventing character doubling or substitution of characters.

REFERENCES:
patent: 3271740 (1966-09-01), Rabinow
patent: 3947817 (1976-03-01), Requa et al.
patent: 3964022 (1976-06-01), Martin
patent: 4118687 (1978-10-01), McWaters et al.
patent: 4180799 (1979-12-01), Smith
patent: 4180800 (1979-12-01), Isshiki et al.

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