Low-profile, rubber keypad

Details Low-profile, rubber keypad Low-profile, rubber keypad

1988-11-03

1990-04-10

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200515, 200517, 200306, H01H 1370

Patent

active

049162624

ABSTRACT:
A low-profile rubber keypad with good tactile feel and illuminability includes a plurality of layers adhesively bonded to one another. The top layer of the keypad is a silicone rubber overlay having a plurality of keys protruding therefrom. The rubber overlay is adhesively bonded to an actuation layer including a plurality of thin actuating strips. The actuation layer is adhesively bonded to a tactile layer including a plurality of collapsible resilient domes. The tactile layer is adhesively bonded to a shorting layer including a plurality of conductors. The shorting layer is adhesively bonded to a flex circuit layer including a plurality of conductors.

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patent: 4636593 (1987-01-01), Novak et al.
patent: 4684767 (1987-08-01), Phalen

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