Linked by Thom Holwerda on Tue 10th Jul 2012 01:24 UTC
Microsoft "Microsoft and Perceptive Pixel Inc. (PPI) today announced that they have entered into a definitive agreement under which Microsoft will acquire PPI, a recognized leader in research, development and production of large-scale, multi-touch display solutions." Yes, Jeff Han is now a Microsoft employee. This demo still amazes me - from 2006. Before the iPhone. Before Android. Before the iPad. Remember that the next time you wind up in a discussion about who supposedly invented what.
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RE[4]: I built one too!
by zima on Tue 10th Jul 2012 16:03 UTC in reply to "RE[3]: I built one too!"
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One specific pitfall of acoustic sensing is friction on the back or the sides of the device during device use though. Accounting for these could indeed require complex noise cancellation systems.

Or it could be exploited to expand possible control schemes (like PS Vita with a touchpad on its back; and, IIRC, some time ago we discussed how this could be one of the approaches for "more 3D" control than touchscreens allow)

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