This Proximity-Sensitive Volume System Needs To Exist

Apple has just scored a patent that is one of the most simple yet ingenious ideas we've seen in a while: a proximity-sensitive volume adjuster on a phone. The patent describes how a number of phone sensors could be used to detect proximity to the user and then adjust volume accordingly.

That would be particularly neat for when swapping between a normal phone call and hands-free, for instance — to avoid that awful second or two where you can't hear a thing.

Most likely an iPhone implementation would use the front-facing IR proximity sensor — already on the phone to enable and disable the touch screen during phone calls. But regardless of the how it's done, it seems a pretty easy and obvious trick to roll into a phone — although obviously there's no telling if Apple will actually bother to use the idea in future phones. [USPTO via Apple Insider]

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