Currently, Xiaomi's remote charging technology is capable of
5-watt remote charging for a single device.
Apart from that, multiple devices can also be charged at the
same time (each device supports 5 watts) and even physical obstacles do not
reduce the charging efficiency.
"Mi Air Charge Technology enables users to remotely
charge electronic devices without any cables or wireless charging stands. Today,
we enter a true wireless charging era," Xiaomi said in a statement.
The core technology of Xiaomi's remote charging lies in
space positioning and energy transmission.
This is how the remote charging technology works.
Xiaomi's self-developed isolated charging pile has five
phase interference antennas built in, which can accurately detect the location
of the smartphone.
A phase control array composed of 144 antennas transmits
millimeter-wide waves directly to the phone through "beamforming".
Beacon antenna broadcasts position information with low
power consumption.
"The receiving antenna array composed of 14 antennas
converts the millimeter wave signal emitted by the charging pile into electric
energy through the rectifier circuit, to turn the sci-fi charging experience
into reality," the company informed.
In the near future, Xiaomi's self-developed space isolation
charging technology will also be able to work with smart watches, bracelets and
other wearable devices.
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