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Apple patent suggests wireless device charging


According to a recent Apple patent, users may one day be able to charge their iPhones and iPads wirelessly. The patent, titled "Wireless power utilization in a local computing environment," describes a way that computers, such as an iMac or MacBook, could charge a device like the iPhone when it is put within three feet of the computer. The technology works using near field magnetic resonance (NFMR) power transmission.

Now that iOS devices can sync wirelessly, wireless charging would be a godsend and enable users to fully cut the cord. However, another advantage of NFMR power charging goes beyond iOS devices. Imagine never having to replace batteries in Apple's Wireless Keyboard or Magic Mouse. Matter of fact, given the low power requirements for these peripherals, its likely that if Apple does employ NFMR power transmission in future devices, it would likely come to them first. All that would need to be added to a mouse or keyboard is a small coupling antenna.

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