DEVICE TO READ GRAPHIC INFORMATION Russian patent published in 1994 - IPC

Abstract RU 2023304 C1

FIELD: automatics, computer engineering. SUBSTANCE: device is supplemented with two additional controlled keys 4 and 5 and subtracter 8 connected in certain way. EFFECT: enhanced sensitivity and accuracy of reading of graphical information. 3 dwg

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RU 2 023 304 C1

Authors

Artamonov A.T.

Rogulin A.M.

Safonov S.N.

Dates

1994-11-15Published

1991-02-28Filed