Keyboard assembly

Details Keyboard assembly Keyboard assembly

1980-08-15

1985-05-28

Shepperd, John W.

Electricity: circuit makers and breakers

Electric switch details

Actuators

200159B, H01H 1314

Patent

active

045202486

ABSTRACT:
An improved membrane keyboard is provided wherein the keys are spatially separated and formed from resilient foam. Specifically, this membrane keyboard provides the user with a sensation of movement to indicate key activation.

REFERENCES:
patent: 3693775 (1972-09-01), Brooks et al.
patent: 3699294 (1972-10-01), Sudduth
patent: 3723673 (1973-03-01), Clary et al.
patent: 4258096 (1981-03-01), LaMarche

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