Sunyu Hwang

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Most computer users are accustomed to the QWERTY keyboard layout. This study was started from the hypothesis that a user's skill in a QWERTY keyboard may be transferred to a 3x4 keypad environment. In order to test the hypothesis, we designed an experiment where users are instructed to type a series of sentences on a "blank" keypad after they were informed(More)
The ever decreasing size of information devices these days does not allow even the space for small input devices such as a touchpad or a 3x4 keypad. We introduce here an input device, FeelTip, as a solution for very small information devices. The main idea is to exchange the usual roles of a finger and a surface in a touchpad; a device has a tip and a(More)
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