Hand-held scan data handling system

Details Hand-held scan data handling system Hand-held scan data handling system

1975-04-18

1976-06-15

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

235 6111E, 3401463SY, 3401463H, G06K 912

Patent

active

039640221

ABSTRACT:
Optically reading and processing alphanumeric data using a hand-held wand by passing a two-dimensional array of photosensitive elements horizontally along a line of data to be read. An optical image of the data is focused upon the array to produce digitized outputs which are thresholded to produce a one bit binary code indicating black cells and white cells. A subset of the binary quantities are combined in terms of black segments and white voids to form a plurality of character images while simulating vertical movement of the subset with character recognition attempted upon each simulated increment of vertical movement.

REFERENCES:
patent: 3187306 (1965-06-01), Rabinow
patent: 3238501 (1966-03-01), Mak et al.
patent: 3587047 (1971-06-01), Cutaia
patent: 3593287 (1971-07-01), Kobayashi et al.
patent: 3613080 (1971-10-01), Angeloni et al.
patent: 3744025 (1973-07-01), Bilgutay
patent: 3761876 (1973-09-01), Flaherty et al.

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