Apple patent filing relates to the long-rumored AirPower

Apple has filed for a patent (20190081509) for a “wireless charging mat with dynamic surface texture.” It seems to involve its long-awaited AirPower product.

If it ever arrives, the AirPower will be able to charge a Qi-compatible iPhone, an Apple Watch, and a pair of AirPods (in a special wireless charging case) at the same time regardless of where they're placed on the pad. 

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The AirPower hasn't been priced yet, but guesses have it costing anywhere from $150 - $200. There’s a (slim?) chance it could debut at the March 25 “It’s Showtime” event

In the patent filing, Apple notes that inductive charge mats can experience a problem where electronic devices, such as mobile phones, slip off the surface of the mat due to the smooth surface of the phone and the mat. A charging mat with an uncoated silicone surface can prevent phone slippage, but silicone has poor esthetic and haptic qualities, and causes lint and dust to build up on the surface.

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Here’s Apple’s summary of the patent: “wireless charging mat has a surface area for receiving an electronic device to be charged. The surface area of the charging mat includes an inner region having a rough surface texture and an outer region having s smooth surface texture, and the outer region is elevated relative to the inner region.”