Next step, Marty McFly and the Hoverboard! No, not actually, this is a patent application for what appears to be "Touch and hover sensing." What the what? That sounds pretty fancy. In the app, they speak of a sort of capacitive sensor array that not only responds to signals that are touching the surface, but hovering on either side of it - YES, both above and behind! They mention that the shield that would be behind (aka this would be the non-screen side of the iPad,) could be enhanced by an AC ground shield that would be attached to the back. What would you even do back there? I don't know, put your hand into a virtual reality screen making it look like a robot hand? Hey! Good idea!
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