Hear the American university has developed using WiFi to digital equipment charging technology, it is said that will support mobile phones, is to let a person shine at the moment, the future will have more peculiar way of charging? Recently, the us media have reported that the university of Washington has successfully using wi-fi router ACTS as a wireless charging equipment. It can be in does not disturb the background, the data transfer within 10 meters charge for digital cameras and other equipment, and the future is expected to use the technology for smart phones. The project, the researchers said don pull (VamsiTalla) sensor installed on the hardware equipment of the charge, the purpose is to receive the power, radio frequency (RF) signal and convert it into direct current (dc) for charging. Now this looks cool technology is still in research stage, did not start the application. But another convenient charge already popular, that is the wireless charging.