Oct 202011
 

And you thought multitouch gestures were annoying – how about mashing your whole hand on your screen to close an app or rapping on it with your knuckle to summon Siri (or Iris?). A new technology from Carnegie Mellon’s Human Computer Interaction Institute allows your device to distinguish between different types of taps using a microphone and touchscreen.

Created by Chris Harrison, the same guy who brought us Omnitouch, the technology “doubles the bandwidth” when it comes to touch interaction.

By attaching a microphone to a touchscreen, the CMU scientists showed they can tell the difference between the tap of a fingertip, the pad of the finger, a fingernail and a knuckle. This technology, called TapSense, enables richer touchscreen interactions. While typing on a virtual keyboard, for instance, users might capitalize letters simply by tapping with a fingernail instead of a finger tip, or might switch to numerals by using the pad of a finger, rather toggling to a different set of keys.

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