Universal binary keyboard system

Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch

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Details

200339, H01H 300, H01H 1370

Patent

active

048312185

ABSTRACT:
A keyboard apparatus including a plurality of nested, identically configured, keys for use in computer keyboards, typewriters, electronic switches and the like. The keyboard apparatus preferably includes a chassis having a plurality of alignment pins to receive a plurality of nested keys and a plurality of electronic switches to be activated by the keys.

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