Apple's already put some basic gesture controls to use on its sixth generation iPod nano, but a recently published patent application suggests that it may have some grander designs for a no-look interface of sorts. As you can see above, Apple's using a nano in its illustrations for the patent, but the actual claims suggest that the gestures wouldn't necessarily require a screen at all -- possibly for something similar to that back-side interface that also turned up in an Apple patent application? As for the gestures themselves