Tuesday, February 10, 2009


In the latest edition of EETimes (pdf available, but individual article not yet): "Cell phones warm up to magnetic coupling" by Rick Merritt. It's about charging a battery wirelessly.
Somehow, it manages to mention environmental concerns as a driver for this technology, and yet no mention in the whole article of the power efficiency of these systems. Will you waste more power with this charger than with a conventional one? Most likely.

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