Touch sensor switch

Details Touch sensor switch Touch sensor switch

2008-04-21

2010-11-09

Figueroa, Felix O (Department: 2833)

Electricity: circuit makers and breakers

Capacitive switch

C200S517000

Reexamination Certificate

active

07829813

ABSTRACT:
A touch sensor switch for easily taking out an output of a touch sensor with high reliability. Push-type switching elements2A,2B, and2C are mounted on a printed circuit board1, a rubber dome3is provided with expanded portions30A,30B, and30C for housing the switching elements2A,2B, and2C, the switching elements2A,2B, and2C are provided with conductive films41A,41B, and41C on an outer surface and a lower face, conductive parts31A,31B, and31C are provided at a conductive part such as an upper surface of the expanded portions30A,30B, and30C of the rubber dome3, or a wiring pattern of the printed circuit board1, and the conductive films41A,41B, and41C contact with the conductive parts31A,31B, and31C constantly by a biasing force of the switching elements2A,2B, and2C regardless the operation of switch knobs4A,4B, and4C.

REFERENCES:
patent: 5270710 (1993-12-01), Gaultier et al.
patent: 5598527 (1997-01-01), Debrus et al.
patent: 6580043 (2003-06-01), Spratte
patent: 6670565 (2003-12-01), Hanahara et al.
patent: 5-38735 (1993-05-01), None
patent: 7-272604 (1995-10-01), None

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