GRAPHIC INFORMATION INPUT DEVICE Russian patent published in 1994 - IPC

Abstract RU 2007758 C1

FIELD: automatics and computer engineering. SUBSTANCE: device is characterized by the use of four load elements and by separation of contact pads on each side of a plotting board by slots formed in a resistive layer. EFFECT: enhanced accuracy. 3 dwg

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RU 2 007 758 C1

Authors

Prasolov V.S.

Dates

1994-02-15—Published

1990-12-12—Filed