CURVED PROFILE TOUCH SENSOR SYSTEMS AND METHODS
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United States of America Patent
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Issued Date -
Apr 17, 2014
app pub date -
Nov 28, 2012
filing date -
Oct 15, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Systems and related methods providing for touch sensors having at least one non-linear edge. A touch sensor may include a substrate configured to propagate surface acoustic waves. The substrate may include a front surface, a back surface including a reflective array, and a connecting surface joining the front surface and the back surface. The front surface may define a front bowed edge and the back surface may define a back bowed edge. The connecting surface may be between the front bowed edge and the back bowed edge. The reflective array may be configured to cause the surface acoustic waves to propagate from the back surface, is the connecting surface, to the front surface. The touch system may further include circuitry configured to determine a coordinate of a touch event on the front surface based on received attenuations in the surface acoustic waves.
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