Patent suggests Microsoft is working on smart battery for ultra fast charging on Surface devices

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A patent published by USPTO suggests that Microsoft could be
working on smart batteries for ultra-fast charging support on
mobile computing devices (phone, tablet and notebook).

First spotted by us, the patent titled “Smart batteries for
ultrafast charging” was filed by Microsoft back in February
2017 and it was published by
the United States Patent and Trademark Office on August
23, 2018.

“Users have access to an ever-increasing variety of portable
computing devices with which the users interact on any given
day. For example, users may carry a mobile phone and tablet, a
portable music player, wearable devices (e.g., a watch, band,
or other wearable), and so on. Further, these computing devices
may include additional peripheral devices used to expand the
functionality of the computing devices, such as powered
headphones, an active stylus, cursor control devices (e.g., a
mouse or trackpad), dedicated game controllers, and so forth,”
Microsoft writes in the background section of the patent.

The patented technology is described by Microsoft below:

“Methods and devices are described for charging a smart battery
in a computing device. The methods and devices may include
determining, by a battery management controller, a charging
configuration for managing one or more battery modules of the
smart battery and transmitting a charging configuration signal
to one or more battery modules of the smart battery.

Microsoft smart battery patent

The methods and devices may include receiving, by at least one
of a plurality of charging coils, power from a wireless signal
based on the wireless signal coupling energy to at least one of
the plurality of charging coils at a frequency as the at least
one of the plurality of charging coils and charging at least
one battery module connected to a respective one of the
plurality of battery control boards in response to a respective
one of the plurality of charging coils receiving the power from
the wireless signal.”



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