Xiaomi has introduced its futuristic Mi Air Charge system that allows users to wirelessly charge devices even from a distance. According to Xiaomi this remote charging system can charge multiple devices simultaneously and will even recharge a Smartphone in use of a person walking around with it or if there is a small barrier in between the charger and the device.
We're excited to bring you the remote charging technology – Mi Air Charge Technology! Charge multiple devices simultaneously while you're gaming, walking around or even when something's in the way, no strings attached. Another giant leap forward in wireless charging technology! pic.twitter.com/wEoB10wOQ2
— Xiaomi (@Xiaomi) January 29, 2021
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The wireless charging transmitter, as detailed by the latest blog from the company, is quite big. Perhaps as large as a sofa side table. Moreover, for now, it can only provide a 5W wireless charging and can charge multiple devices in a radius of few meters.
According to Xiaomi,
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 14 antennas transmits millimeter-wide waves directly to the phone through beamforming.
In addition to this, the system is different than the Qi charging standard that we have usually seen in smartphones. For this system, the Smartphones have to be equipped with a “miniaturized antenna array with built-in ‘beacon antenna’ and ‘receiving antenna array’. A compatible smartphone has a total of 14 antennas to convert a millimeter-wave signal that’s emitted by the charging pile. The signal is converted into electric energy through a rectifier circuit.
Xiaomi is working on making the Mi Air charge compatible with smartwatches, fitness bands, and other wearables as well.
Soon our living room devices, including speakers, desk lamps, and other small smart home products, will all be built upon a wireless power supply design, completely free of wires, making our living rooms truly wireless.
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