Low profile keyboard switch

Details Low profile keyboard switch Low profile keyboard switch

1983-09-07

1984-10-02

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

4004791, H01G 516, H01H 312

Patent

active

044751427

ABSTRACT:
A capacitance keyboard switch is provided which reduces in a keyboard the overall space requirements therefore while providing at the same time the property of increasing the switch module force curve in the activating movement thereof. The tactile feel construction includes a reduced number of integrally molded inexpensive parts.

REFERENCES:
patent: 3750113 (1973-07-01), Cencel
patent: 4090229 (1978-05-01), Cencel et al.
patent: 4300029 (1981-11-01), Maser
patent: 4307268 (1981-12-01), Harper
patent: 4363942 (1982-12-01), Deeg et al.
patent: 4408252 (1983-10-01), Voge et al.
patent: 4412754 (1983-11-01), Sparks

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