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In 2019, Microsoft launched Surface Pro X and it comes with an innovative solution to recharge the stylus ‘Surface Slim Pen’. The pen is designed for fitting into the bose on the detachable Surface Pro X Keyboard and when the pen is stored, it’s also recharging with a small green light.

Microsoft also appears to be working on a similar implementation for its next-gen Surface Pro lineup. According to a patent filing, Surface Pro 8 or the next-gen Surface Pro X could come with wireless charging coil located on its edges to recharge your Surface Pen and even other products.

The patent was applied by Microsoft in October 2019 and published by the WIPO on May 7, 2020, and noticed by us today.

As per the filing, the next-gen Surface Pro may have a ‘charging source side’ and it will be aligned with an aperture in the metal casing of the computing. The aperture is aligned with a shield and wireless charging coil is wrapped around the shield for some configurations.

Microsoft says its wireless charging coil can also be located between the shield and the metal casing of the Surface device. This provides wireless charging to the target electronic device (Surface Pen). In theory, the power from the source coil would be transmitted to the receiver coil and it will charge the rechargeable battery of the Surface Pen.

“In some implementations, the device may support both wireless charging of the target electronic device using the wireless charging coil and near field communication (NFC) capabilities. For example, when a wireless charging frequency is same as an NFC frequency the same antenna assembly and circuitry can be used for both wireless charging and NFC in reader, card or peer to peer mode,” Microsoft noted in the patent filing.

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