Nokia files patent for kinetically-charging mobile phone battery


Question: can you file a patent for something that’s existed for a long time? I guess the question is of implementation. While self-winding watches and shake-to-charge flashlights already harvest kinetic energy to store and later discharge, I suppose they do it in a different way than this proposed system from Nokia. Not sure I trust something sliding back and forth in my phone, either. And wouldn’t that necessitate a bunch of empty space that could be taken up with, I don’t know, a bigger battery?

Read more at MobileCrunch

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