Touch-sensitive input device, touch screen device, mobile device and method for operating a touch-sensitive input device
First Claim
Patent Images
1. Touch-sensitive input device, comprisinga first layer;
- a second layer facing said first layer, said first and second layers defining a cavity accommodating a substance capable of flowing; and
an actuator device arranged to vary the pressure of said substance in said cavity so as to provide haptic feedback to a user touching a surface of said touch-sensitive input device.
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Abstract
The invention relates to a touch-sensitive input device, a touch screen device, a mobile device and a method for operating a touch-sensitive input device to provide for a more realistic haptic feedback to a user in response to an input. The touch-sensitive input device comprises a first layer, a second layer facing said first layer, said first and second layers defining a cavity accommodating a substance capable of flowing, and an actuator device arranged to vary the pressure of said substance in said cavity so as to provide haptic feedback to a user touching a surface of said touch-sensitive input device.
48 Citations
14 Claims
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1. Touch-sensitive input device, comprising
a first layer; -
a second layer facing said first layer, said first and second layers defining a cavity accommodating a substance capable of flowing; and an actuator device arranged to vary the pressure of said substance in said cavity so as to provide haptic feedback to a user touching a surface of said touch-sensitive input device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. Method for operating a touch-sensitive input device having first and second layers forming a cavity accommodating a substance capable of flowing, the method comprising the steps
sensing a finger or input instrument above said first layer; - and
varying the pressure of said substance in said cavity so as to provide haptic feedback to a user touching a surface of said touch-sensitive input device.
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Specification