TOUCH SENSITIVE DEVICE
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United States of America Patent
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N/A
Issued Date -
Feb 11, 2010
app pub date -
Dec 17, 2007
filing date -
Dec 15, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A sensitive precision detector to sense user given control input in terms of activation on a cover plate by moving the finger with an easy touch, or with a force vertically or with a force in circular or elliptical movements on the surface of the cover plate. The precision detector is configured as a structure having the cover plate made in a conducting material. A first member constitutes the cover plate which is pre-processed to have a certain ability to be depressed along the Z-axis upon activation from a finger touch. The first member constitutes the one electrode of a capacitor and having the second member as the other electrode of the capacitor. Change in the capacitance is detected upon activation with a force provided on the cover plate.
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