HAPTIC FEEDBACK DEVICE AND HAPTIC FEEDBACK METHOD
4 Assignments
0 Petitions
Accused Products
Abstract
A haptic feedback device which provides haptic feedback to a user touching a panel, the haptic feedback device including: the panel; a position obtaining unit which obtains a first touch position touched on the panel by the user and a second touch position touched on the panel by the user after the first touch position; a speed calculation unit which calculates a speed of a touch starting at the first touch position and ending at the second touch position; a modulation signal generation unit which generates a modulation signal having a frequency component at a frequency that increases with the speed; a carrier signal generation unit which generates a carrier signal for vibrating the panel; a modulation unit which modulates the carrier signal using the modulation signal; and an actuator which provides haptic feedback to the user by vibrating the panel in accordance with the modulated carrier signal.
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Citations
30 Claims
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1-15. -15. (canceled)
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16. A haptic feedback device which provides haptic feedback to a user touching a panel, the haptic feedback device comprising:
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the panel; a position obtaining unit configured to obtain a first touch position which is a position of a touch made on the panel by the user and a second touch position which is a position of a touch made on the panel by the user after the touch made at the first touch position; a speed calculation unit configured to calculate a speed of a touch starting at the first touch position and ending at the second touch position; a modulation signal generation unit configured to generate a modulation signal having a frequency component at a frequency that increases with the speed; a carrier signal generation unit configured to generate a carrier signal for vibrating the panel; a modulation unit configured to modulate the generated carrier signal using the modulation signal; and an actuator which provides haptic feedback to the user by vibrating the panel in accordance with the modulated carrier signal. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A haptic feedback method of providing haptic feedback to a user touching a panel, the haptic feedback method comprising:
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obtaining a first touch position which is a position of a touch made on the panel by the user and a second touch position which is a position of a touch made on the panel by the user after the touch made at the first touch position; calculating a speed of a touch starting at the first touch position and ending at the second touch position; generating a modulation signal having a frequency component at a frequency that increases with the speed; generating a carrier signal for vibrating the panel; modulating the generated carrier signal using the modulation signal; and providing haptic feedback to the user by vibrating the panel in accordance with the modulated carrier signal. - View Dependent Claims (30)
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Specification