Systems And Methods For Haptic Feedback Using Laterally Driven Piezoelectric Actuators
First Claim
Patent Images
1. An apparatus comprising:
- a base;
a touch-sensitive interface comprising an interface surface, the touch-sensitive interface affixed to the base and configured to move in a direction lateral to the interface surface; and
a piezoelectric actuator mounted to the base and to the touch-sensitive interface and configured to receive a haptic signal and output a force in a direction lateral to the interface surface.
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Abstract
Systems and methods for haptic feedback using laterally driven piezoelectric actuators are disclosed. For example, one described apparatus for haptic feedback using laterally driven piezoelectric actuators includes: a base; a touch-sensitive interface comprising an interface surface, the touch-sensitive interface affixed to the base and configured to move in a direction lateral to the interface surface; and a piezoelectric actuator mounted to the base and to the touch-sensitive interface and configured to receive a haptic signal and output a force in a direction lateral to the interface surface.
83 Citations
22 Claims
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1. An apparatus comprising:
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a base; a touch-sensitive interface comprising an interface surface, the touch-sensitive interface affixed to the base and configured to move in a direction lateral to the interface surface; and a piezoelectric actuator mounted to the base and to the touch-sensitive interface and configured to receive a haptic signal and output a force in a direction lateral to the interface surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method comprising:
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receiving an input signal from a touch-sensitive interface mounted to a base, the touch-sensitive interface configured to move in a lateral degree of freedom; determining a haptic effect based at least in part on the input signal; and transmitting a haptic signal corresponding to the haptic effect to a piezoelectric actuator configured to output a lateral force on the touch-sensitive interface. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A system comprising:
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a base; a display mounted to the base and configured to receive a display signal, and output an image on a display surface; a touch-screen mounted to the display, the touch-screen configured to transmit sensor signals corresponding to a user interaction and move in a lateral degree of freedom; a processor configured to receive the sensor signals, determine a haptic effect, and transmit a haptic signal corresponding to the determined haptic effect; and a piezoelectric actuator mounted between the display and the touch-sensitive interface, the piezoelectric actuator configured to receive the haptic signal and output a force on the touch-screen in a direction lateral to the display surface, wherein the force is configured to provide a haptic effect. - View Dependent Claims (22)
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Specification