Method and apparatus for sensing the force with which a button is pressed
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United States of America Patent
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May 25, 2010
Grant Date -
Oct 4, 2007
app pub date -
Mar 31, 2006
filing date -
Mar 31, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is an apparatus for sensing a force, comprising an actuator having a conductive deformable surface, a substrate having a first conductive trace and a second conductive trace, a housing coupled to the actuator and to the substrate, holding the actuator in proximity to the substrate, and a circuit for measuring a capacitance value.
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