Elastomeric keyboard incorporating a novel interconnect and back

Details Elastomeric keyboard incorporating a novel interconnect and back Elastomeric keyboard incorporating a novel interconnect and back

1999-02-23

2000-05-02

Gellner, Michael L.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 1TK, H01H 926

Patent

active

060575174

ABSTRACT:
The elastomeric keyboard incorporating a novel interconnect and back-lighting architecture of the present invention includes a printed circuit board and a novel multi-layer membrane switch matrix interconnect structure. The printed circuit board contains a control circuit for powering and controlling the back-lighting of the elastomeric keyboard. The electrical components which make up the control circuit are mounted on a top side of the printed circuit board. The multi-layer switch matrix interconnect structure contains multiple holes arranged to coincide with the components of said control circuit. The multi-layer switch matrix interconnect structure also contains a number of electrical connectors, a number of conductive contacts, and a number of electrical nets for electrically connecting the conductive contacts to each other and to the electrical connectors.

REFERENCES:
patent: 4314117 (1982-02-01), Ditzig
patent: 5138119 (1992-08-01), Demeo
patent: 5777281 (1998-07-01), Riddiford
patent: 5847336 (1998-12-01), Thornton

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