Monolithic flat tactile keyboard

Details Monolithic flat tactile keyboard Monolithic flat tactile keyboard

1983-03-10

1985-02-12

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

H01H 1370

Patent

active

044993439

ABSTRACT:
A tactile keyboard assembly of the membrane type has a unitary front face member which bears the keyboard graphics and has generally convex protrusions in the key areas. The front face is spaced from a sheet which defines an array of snap-action actuators which support movable switch contacts, the actuators comprising dome-shaped members formed in a carrier sheet which, when depressed, will provide tactile feedback. The key areas are in registration with the actuators.

REFERENCES:
patent: 4046975 (1977-09-01), Seeger, Jr.
patent: 4066850 (1978-01-01), Heys, Jr.
patent: 4066851 (1978-01-01), White et al.
patent: 4237351 (1980-12-01), Boulanger
patent: 4245138 (1981-01-01), Harper
patent: 4314116 (1982-02-01), Gordon
patent: 4323740 (1982-04-01), Balash
patent: 4365130 (1982-12-01), Christensen
patent: 4375018 (1983-02-01), Petersen

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