Auto-Rotation
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Google's smartphone patent doesn't mind which end you talk into
The rectangular, predominantly symmetrical nature of most smartphones means if you're not looking, you might find you're holding the handset the wrong way around when a call comes in. Google's most recently awarded patent may seek to end your orientation confusion by adding a microphone and speaker at both ends of the device. That way, when you pick it up to answer a call, it'll determine which way you're holding it and select the microphone and speaker accordingly. Then again, this is a patent filing, so it's just as likely to wind up lining the bottom of a Mountain View engineer's drawer.
HTC Incredible S auto-rotating buttons explained? (video)
We were quite bedazzled by the HTC Incredible S after our hands-on at MWC, but it's the auto-rotating icons for the capacitive buttons that left us most intrigued. So we went back to the HTC booth to try to make sense of it all. From what we were able to observe, there's some optical trickery happening here: the icons appear to be glittering and shimmering depending on viewing angle as if lit through a prism, half-mirror or grate of some kind. We think that a pair of LEDs are used to project the intended icon onto the glass surface via either a combination of prisms and half-mirrors, or via horizontally and vertically polarized grates. Watch our video after the break, and let us know in the comments how you think this actually works.
Unofficial G1 auto-rotation in the works
The G1's got its fair share of accelerometers -- one need only pop open compass mode in Street View to figure that out -- but one thing it doesn't have is screen auto-rotation. That's where the ever-vigilant developer community comes into play, and Google's all's-fair policy toward third-party apps should guarantee that this nifty little hack will be readily available to anyone who wants it. Follow the break to see the keyboardless magic in action (hint: it works pretty much how you'd expect it to).
