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Hwang Sung Jae, a PhD candidate at the Graduate School of Cultural Technology, developed a Virtual Thumb technology that allows multi-touch functions with one hand. Hwang got his idea from limitations of current mobile phones, including the covering of the screen by the use of fingers and the fact that multi-touch functions are hard to perform with one hand holding the mobile phone.
With this technology, one finger gives the same effect of using both fingers to perform a function. Using the Virtual Thumb that appears on a point corresponding to the point of physical touch, movements corresponding to actual touch movements are mimed to allow zooming in/out and various rotation angle based functions.
In addition, in situations where object rotation is unnecessary, many functions are subjectively matched using the change in rotational angle. It allows for various commands are simultaneously executed without activating a separate commanding menu. In the case of the zoom in command at a corner region, the corner can be zoomed in without moving the object to the center of the screen.
The Virtual Thumb technology can be applied as a middleware on touch-based apparatus including TV remote controls, eBook, mobile phones, tablet PCs, navigation systems and educational apparatus.
“I am honored that a small idea that developed during research can be developed into an actual commercialized technology,” said Hwang. “I will become a researcher who will add to the academic and industrial fields through creative research in the future.”
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