We propose a physical interface called a “Bottomless Joystick” for mid-air interaction in this Virtual Reality era.
A conventional joystick is suitable for desktop gaming, especially flight simulations. However, it cannot be used in mid-air because it requires a bottom to mount on the surface. On the other hand, the mid-air interaction device is subject to increasing demand due to the recent VR goggle boom.
We therefore developed a Bottomless Joystick that can represent a conventional joystick function in mid-air. By utilizing two servomotors and a counterweight, our device reproduces various force feedbacks such as the heaviness of the joystick and the gun effect.
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