Haptic interface for touch screen embodiments
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United States of America Patent
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May 29, 2012
Grant Date -
Mar 13, 2008
app pub date -
Oct 30, 2007
filing date -
Jan 19, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A haptic feedback touch control used to provide input to a computer. A touch input device includes a planar touch surface that provides position information to a computer based on a location of user contact. The computer can position a cursor in a displayed graphical environment based at least in part on the position information, or perform a different function. At least one actuator is also coupled to the touch input device and outputs a force to provide a haptic sensation to the user. The actuator can move the touchpad laterally, or a separate surface member can be actuated. A flat E-core actuator, piezoelectric actuator, or other types of actuators can be used to provide forces. The touch input device can include multiple different regions to control different computer functions.
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