Apple Patents Battery-Saving Multi-Touch Displays That Don't Need To Be Active To Work

Apple was granted a patent Tuesday by the USPTO that describes a system for implementing multi-touch in a mobile device even when there the display itself isn't actively showing any images. It's a neat trick, and one that could help portable gadgets save battery life by not invoking the most battery-hungry element in their construction nearly as frequently.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/Jp9aO-91OWU/

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