Wireless devices and sensors that can send and receive data quickly take advantage of radio waves from mobile phones and television towers to get the power they need from the air.
To truly take full advantage of the future "Internet of things," there is bound to be a host of sensors and microcomputers that all need to be powered in some way, preferably not with power cords or wires. Of course, configuring the battery on the device is a solution, but there is another issue that arises because of the need to replace the battery or to charge the battery during use of the device. Recent research by Washington University's engineers has made a breakthrough in this area, allowing wireless devices to get out of the shackles of batteries. China Intelligent electrical network compiler, For reprint, please indicate the source!
The University of Washington team has developed a technology called Peripheral Backscatter that allows devices to take advantage of ubiquitous mobile and television signals that reflect these signals to send and receive their own data without the need for batteries or other power sources .
Shyam Gollakota, principal researcher at Washington University's School of Computer Science and Engineering and lead researcher, said: "We can rearrange the wireless signals that surround us and turn them into power and communications media." This technology works on wearable devices, smart homes and the Internet of Things The field has a lot of space for application. "
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