Electricity: circuit makers and breakers – Capacitive switch
Reexamination Certificate
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.
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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
Iwasaki Kenji
Kumagai Katsuhide
Miyata Masahiko
Murase Keiji
Murase Seiya
Cole Thomas W.
Figueroa Felix O
Kabushiki Kaisha Tokai Rika Denki Seisakusho
Roberts Mlotkowski Safran & Cole P.C.
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