Touch-Sensing Input Devices

Опубликовано 7 декабря 2016, 16:49

We can touch things, and our senses tell us when our hands
are touching something. But most computer input devices
cannot detect when the user touches or releases the device
or some portion of the device. Thus, adding touch sensors
to input devices offers many possibilities for novel
interaction techniques. We demonstrate the TouchTrackball
and the Scrolling TouchMouse, which use unobtrusive
capacitance sensors to detect contact from the user’s hand
without requiring pressure or mechanical actuation of a
switch. We further demonstrate how the capabilities of
these devices can be matched to an implicit interaction
technique, the On-Demand Interface, which uses the
passive information captured by touch sensors to fade in or
fade out portions of a display depending on what the user is
doing; a second technique uses explicit, intentional
interaction with touch sensors for enhanced scrolling. We
present our new devices in the context of a simple taxonomy
of tactile input technologies. Finally, we discuss the
properties of touch-sensing as an input channel in general.