Push-button arrangement

Details Push-button arrangement Push-button arrangement

1990-12-17

1993-03-16

Pellinen, A. D.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200292, 200513, H01H 922

Patent

active

051947030

ABSTRACT:
Push-button device includes a plurality of movably disposed keys and an elastic switching pad having a plurality of domes. Each dome is disposed adjacent to and is engagable by one of the plurality of keys and a dome contact disposed on each dome. A conductor foil having a plurality of contacts is provided, each conductor foil contact being arranged for contacting one of the dome contacts when one of the keys is moved. A printed circuit board having upper and lower faces is arranged near the contact foil. A spacer member disposed between the upper face of the printed circuit board and the conductor foil defines an electrical component receiving space, and there is a plurality of electrical components located on the upper face in the electrical component receiving space.

REFERENCES:
patent: 5053592 (1991-10-01), Zuercher

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