‘3-STATE-MODEL’ Tagged Posts
by William A.S. Buxton (1990) “All input devices are not created equal in their capabilities, nor input techniques in their demands.” 6 Generic Transactions of User’s Intentions with a Device (Foley, Wallace, Chan 1984) select an object position an object orient an object ink (draw a line) text (enter text) value (specify a scalar value) [ READ MORE ]
“…The Input Device with Two Touch Panel Layers” by Yujin Tsukada, Takeshi Hoshino (CHI 2002) “…two touch panel layers, so that it is able to distinguish two touch states such as ‘finger on screen’ and ‘finger above screen’.” Adds an invisible infrared field about 20mm above the physical touch screen. Allows for a “rollover effect” [ READ MORE ]