University of Oxford researchers have developed a technology that allows devices such as mobile phones and cameras to both charge and transmit data without cables. Current applications target smaller, low power devices. However, employed on a larger scale, this technology might eliminate the need for power and data cables altogether, it is expected.
Isis Innovation Ltd., the University of Oxford's research commercialisation company, is working with Dr. Chris Stevens from the Department of Engineering Science and his team to bring the technology to market.
The technology might offer a truly active, cable-free, battery-less desktop that can power and link the laptop or PC, monitor, keyboard, mouse, phone and camera. For example, by incorporating the technology behind the screen of a computer monitor, digital files, photos and music could be transferred effortlessly to and from a USB stick simply by tapping the flash drive against an on-screen icon. This work comes from research into meta-materials, that is, materials that act as magneto-inductive wave guides and magneto-inductive power surfaces. While one may find simple inductive technology in the charging unit of an electric toothbrush, in this case, one can transfer data as well, and over a distance.
With this technology, smart clothing will be a possibility, allowing for efficient body area networking, such as linking up headphones, mobiles, cameras and music devices through clothing. The team has already incorporated the cable-free technology into carpet to power a lamp. The living room of the future could have the stereo, TV, DVD and satellite box powered and linked through the carpet and wallpaper. Meanwhile an electric car in the driveway can be doing the same from a charging mat. The syncing and recharging of mobile devices can take place effortlessly, even in public spaces such as cafes or cinemas.
Devices can be completely encapsulated, making them waterproof and robust. This makes meta-materials attractive for service in the aerospace, military, automotive and medical sectors. The underlying technology forms part of a portfolio of National and PCT phase patent applications.
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