Texas Instruments shows off ultrasonic stylus that can work in three dimensions

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Published on ● Video Link: https://www.youtube.com/watch?v=L8rTL_oDim0


Duration: 2:24
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At Mobile World Congress, Texas Instruments was demonstrating a cool technoloogy that used four inexpensive microphones around the edge of a tablet to detect where a stylus was in terms of distance. This allows for some neat interactions with 3D graphics.



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