KEYBOARD Russian patent published in 1995 - IPC

Abstract RU 2037189 C1

FIELD: computer engineering. SUBSTANCE: keyboard has base 1 with contact conductors, plate 2 bearing illustrations of keys, membrane-closer 3, first insulating layer 4 and second insulating layer 8, printed-circuit board 6 with contact conductors 7. Holes 5 and 9 are made in layers 4 and 8, respectively. EFFECT: improved design. 3 cl

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RU 2 037 189 C1

Authors

Kritskij V.E.

Shushunov S.V.

Dates

1995-06-09—Published

1988-05-17—Filed