Elastomeric keyboard incorporating a novel interconnect and back-lighting architecture
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United States of America Patent
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May 2, 2000
Grant Date -
N/A
app pub date -
Feb 23, 1999
filing date -
Feb 23, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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