Key mechanism

Details Key mechanism Key mechanism

1980-12-03

1983-01-11

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

84DIG7, 84433, 200339, H01H 300, G10C 312

Patent

active

043683649

ABSTRACT:
A key device, as used in a keyboard, comprises

REFERENCES:
patent: 3417649 (1968-12-01), Wood
patent: 3797357 (1974-03-01), Thomas et al.
patent: 3845683 (1974-11-01), Lehmann
patent: 3855894 (1974-12-01), Thomas et al.
patent: 4173166 (1979-11-01), Koepke

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