Computer keyboard with flexible dome switch layer

Details Computer keyboard with flexible dome switch layer Computer keyboard with flexible dome switch layer

1992-08-14

1993-05-18

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200513, H01H 1370

Patent

active

052123561

ABSTRACT:
As a preferred embodiment, a computer keyboard dome sheet is illustrated in the figures showing a extruded sheet 30 with an elongated body 32 with parallel extruded ridges 44 corresponding to the keyboard rows 16a-16f. Apertures or cutouts are formed in the ridges 46 at desired intervals between the key positions to form individual ridge domes 48 having parallel front and rear walls 54 and 56 that are collapsible to bring a switch actuating keel 66, 92 into engagement with the switch structure to actuate an electrical switch to indicate that the key switch has been depressed.

REFERENCES:
patent: 3389902 (1966-06-01), Young
patent: 3941953 (1976-03-01), Misson et al.
patent: 3947390 (1976-03-01), Johnson
patent: 3952174 (1978-04-01), Boulanger et al.
patent: 4160886 (1979-07-01), Wright et al.
patent: 4518833 (1985-05-01), Watkins
patent: 4571466 (1986-02-01), Iida
patent: 4764770 (1988-08-01), Church

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