Xiaomi unveils remote charging technology

Xiaomi unveils remote charging technology

Market news |
By Rich Pell

Capable of 5W remote charging of a single device within a radius of several meters, the Mi Air Charge Technology, says the company, is based around space positioning and energy transmission. The company’s isolated charging pile has five phase interference antennas built in, which can accurately detect the location of a smartphone. A phase control array composed of 144 antennas transmits millimeter-wide waves directly to the phone through beamforming.

On the user device side, the company has also developed a miniaturized antenna array with a built-in “beacon antenna” and “receiving antenna array” for a smartphone. The beacon antenna broadcasts position information with low power consumption while the receiving antenna array composed of 14 antennas converts the millimeter wave signal emitted by the charging pile into electric energy through a rectifier circuit.

Multiple devices can also be charged at the same time, says the company, and even physical obstacles do not reduce the charging efficiency. In the near future, the company expects that its space isolation charging technology will also be able to work with smart watches, bracelets, and other wearable devices.

Soon, says the company, 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 living rooms truly wireless.


Related articles:
Next-gen OTA wireless charging transmitter receives FCC certification
Startup shows wireless charging at a distance
2D ‘rectenna’ converts Wi-Fi signals into electricity
Long-distance wireless energy transmission to be trialed

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