Systems and methods for friction displays and additional haptic effects
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United States of America Patent
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Jul 4, 2017
Issued Date -
N/A
app pub date -
Jan 29, 2010
filing date -
Mar 12, 2009
priority date (Note) -
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Abstract
Systems, methods, and computer program products for providing composite haptic effects are disclosed. One disclosed method includes detecting a touch occurring in a touch area when an object contacts a touch surface and selecting a composite haptic effect to generate in response to the touch, the composite haptic effect including at least one surface-based haptic effect and at least one other effect. Based on the selected composite haptic effect, a first haptic signal can be sent to cause an actuator to vary a coefficient of friction of the touch surface and a second actuator can be caused to provide a second haptic output in addition to the variation in the coefficient of friction. The second haptic signal can be sent to a second actuator or the same actuator(s) used to vary the coefficient of friction can generate the second haptic output.
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