Case for phone with wireless charging back

utmed95

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Feb 12, 2011
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Just got the verizon version of the induction charging back plate and would REALLY like to find a case that would work with this setup. Any ideas or suggestions would be greatly appreciated.
 

BasPilot

TheSickAndTwisted
Jul 23, 2010
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The inductive technology you can experiment yourself to figure out what cases will and will not work..
Science alert... Induction works off of a magnetic field. You have a coil on both sides, basically, and the current passes though the first coil causing a magnetic flux field that is picked up (basically) by the other coil. This can happen in a small distance as well as through direct contact. Now, the distance can very easily be millimeters as a maximum of that big even.

Now, your experimentation is simple. First off though, just do not use anything that is a ferrous metal or really hopefully any metal. What I would do for testing is set up the charger on your phone and then insert sheets of paper between your phone and the inductive surface. Just add a few pieces at a time until the magnetic field is too weak to create current flow sufficient of charging. Once you have crossed that line, reduce your papers one at a time until you are back in the distance needed. When you pull one piece of paper and it picks back up the charge, then take off 2 or 3 more and then measure how thick the paper is... The purpose of the additional reduction of paper into give a bit of error to allow for variations in magnetic throughout days and just to be extra safe really.

Once you know the distance you find a case that isn't insulating or magnetic and you're golden. Rubber is an insulator, but only for electron flow itself, not inductive magnetism. Metal shielding is really the only insulation you have here that is bad for you.
 

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