Hand operated optical character recognition wand

Details Hand operated optical character recognition wand Hand operated optical character recognition wand

1974-04-22

1976-03-30

Cook, Daryl W.

Communications: electrical

Digital comparator systems

235 6111E, 250566, 3401463J, G06K 900, G06K 710, G08C 906

Patent

active

039478173

ABSTRACT:
An optical data reader and processor utilizing a two dimensional array of photosensitive elements operated at a high frame rate; a shift register of one character width, and greater than one character height to store the binary representation of the character image; unique black/white threshold detection and character recognition logical circuitry; and timing means to overcome inaccuracies arising from the loosely constrained movement of a hand-held scanning device.

REFERENCES:
patent: 3247485 (1966-04-01), Greanias et al.
patent: 3327584 (1967-06-01), Kissinger
patent: 3496542 (1970-02-01), Rabinow
patent: 3576534 (1971-04-01), Steinberger

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