Usually, the "wireless charging" technology mentioned by technology companies means that you can put your phone on the charging pad to charge, no need for charging cable. But strictly speaking, this is not really "wireless charging". It is not like the WiFi signal, it is charged by the "air" medium, and you can't always charge the phone when using the phone.
This is called wireless charging technology to charge the phone.
Engineers are developing long-distance charging technology in laboratories around the world. Today, we're going to introduce you to a special launcher that can help devices such as mobile phones, tablets, smart watches, hearing aids and motion trackers achieve this "space" charging. In the whole charging process, you don't have to take the equipment off, you don't need to plug them in the socket, you don't even have to remember to charge them once a day.
Does this sound too unbelievable? According to Energous CEO Steve Rizzone, the company's "long-distance charging technology" can do it all.
This is called wireless charging technology to charge the phone.
Steve Rizzone made a demonstration to the Yahoo! Tech reporter: He asked the reporter to hold an Android phone in a mysterious black box, and he took out a 6-foot walk (about 1.8 meters) from the phone. The black plastic box, which is the transmitter, looks like an enlarged version of the WiFi router.
Rizzone uses the tablet as a remote controller and then turns on the transmitter, at which point the charging indicator is displayed on the phone. In fact, during the entire charging process, the mobile phone obtains electric charge through "air".
How does this device do it all? Rizzone said the transmitter includes a miniature RF antenna array that can transmit 23dBm over 120 degrees and use a 5.8GHz unlicensed ISM spectrum to create a 3D energy space. In this way, the device can "collect" the energy as long as it is within the range covered by the signal.
The device can charge up to 12 devices at the same time, with a maximum charge range of 15 feet (about 4.6 meters), in a range of 5 feet, the device can get up to 4 watts of power, 10 feet for 2 watts, 15 feet for 1 watt.
The price of this device is expected to be around $300 (about RMB 1862). In addition, users also need to buy a mobile phone case that receives signals. The price is about $75-$125 (about RMB465-776). The company said it has signed a cooperation agreement with 16 manufacturers that will integrate their transmitters into refrigerators, televisions and WiFi routers. The device is expected to be available by the end of 2016 or early 2017.
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