Capacitive sensor
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United States of America Patent
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Aug 25, 2009
Grant Date -
Jun 5, 2008
app pub date -
Feb 5, 2008
filing date -
Feb 10, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor comprises a dielectric, an electrically conductive layer on the first side of the dielectric layer, an electrically conductive layer on a second side of the dielectric layer, and a capacitance meter electrically connected to the two conductive layers to detect changes in capacitance upon application of a force to the detector. The conductive layers are configured to determine the position of the applied force. The sensor may be shielded to reduce the effects of outside interference.
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