Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad
Reexamination Certificate
2005-09-13
2005-09-13
Wong, Albert K. (Department: 2635)
Coded data generation or conversion
Bodily actuated code generator
Including keyboard or keypad
C341S010000, C178S019030, C345S173000, C345S174000, C200S600000
Reexamination Certificate
active
06943705
ABSTRACT:
A circuit assembly for providing a switch sensor and a capacitive sensor. The circuit assembly has a first pattern of conductive material in a first plane and a second pattern of conductive material in a second plane. An insulating member in an intermediate plane separates the first and second patterns. In a switch sensor area, the insulating member has openings to allow a first conductive element in the first pattern to contact a second conductive element in the second pattern responsive a force being applied to the first conductive element. In the capacitive sensor area, the insulating member maintains spacing between conductive material in the first and second patterns. The circuit assembly also includes a preventative capacitance configuration that limits non-intentional capacitive coupling in the capacitive sensor area.
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Bolender Robert James
Cheng Wendy H. W.
Ingrassia Fisher & Lorenz PC
Synaptics Inc.
Wong Albert K.
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