STANDARD ANSWER FORMER FOR TEACHING DEVICES Russian patent published in 1998 - IPC

Abstract RU 2109024 C1

FIELD: technical facilities for automated check of knowledge. SUBSTANCE: standard answer former has teaching device which includes indicator, comparison unit, AND gate and patchboard, pseudorandom sequence pickup, counter, former, three triggers, OR gate, second AND gate and communication line between them. EFFECT: extended functional capabilities; simplified work of operator. 2 dwg

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RU 2 109 024 C1

Authors

Vertlib M.Ja.

Gordon F.G.

Dates

1998-04-20—Published

1993-03-23—Filed