TOUCH SENSORS WITH TACTILE FEEDBACK
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United States of America Patent
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Issued Date -
Mar 4, 2010
app pub date -
Aug 26, 2008
filing date -
Aug 26, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Touch sensors with one or more piezoelectric elements and devices containing such touch sensors are presented. The touch sensor contains keys that are independently actuated. Contact with a key provides tactile feedback through the piezoelectric element to the user. Each key provides an individual tactile feedback pattern that is dependent on the particular key contacted as well as the function of the key at the time of contact. Actuation of the key provides a different tactile feedback pattern. The piezoelectric element is bonded directly to a printed circuit board, on which electronic components are also mounted.
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