CPC G08B 6/00 (2013.01) [G06F 3/016 (2013.01); H01F 1/14708 (2013.01); H01F 41/125 (2013.01); G06F 1/163 (2013.01)] | 13 Claims |
1. A strap curved to wrap around at least a portion of a human body, the strap comprising:
a curved haptic actuator installed in at least a part of the strap,
wherein the curved haptic actuator comprises:
a housing having a receiving space defined in the housing, the receiving space and an outer shape of the housing being curved;
a vibrator disposed in the receiving space, having a curved shape in a same direction as a curved direction of the housing, and movable along the curved direction of the housing;
a magnetic field generator installed on an inner wall of the housing and generating a magnetic field and applying the generated magnetic field to the vibrator; and
an input unit configured to receive an input signal from an outside for driving the vibrator so that the curved haptic actuator transmits a vibration along the curved direction of the strap,
wherein a distance between the vibrator and the inner wall of the housing closest to the vibrator is less than 3 mm and greater than 0.
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