Taking touch screens to the next level – Tap sensor

A new touchscreen sensor uses sound to distinguish between the tap of a fingertip, finger pad, fingernail, and knuckle. By taking greater advantage of the finger’s anatomy and dexterity, TapSense could change the way smartphone and tablet computer owners control their touchscreens.

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 than toggling to a different set of keys.


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