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Oxford technology offers a cable-free lifestyle

Oxford, UK, 31st, October 2012

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.

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.

Dr Stevens said: “You could have a truly active, cable-free, batteryless desktop that can power and link your 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 metamaterials, that is, materials that act as magneto-inductive wave guides and magneto-inductive power surfaces. You can find simple inductive technology in the charging unit of an electric toothbrush but in this case we can transfer data as well, and over a distance.”

“The real beauty is that since the technology is in a patterned conductive layer, we can start adding that layer to any surface or indeed into a fabric.”

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 metamaterials attractive for service in the aerospace, military, automotive and medical sectors.

Dr Stevens said: ”We can have smart medical sensors in the form of a sticking plaster that can act as a diagnostic tool as well as powering something like an implanted insulin pump.”

Talking about the data and power transfer capacity of the technology, Dr Stevens said: “It’s a movable feast – the required bandwidth determines the design and the design limits the bandwidth. Right now we can achieve 3.5 Gigabits per second data transfer rate and hundreds of watts of power but the circuits have the capacity for increased performance.”

The long term goal for Dr Stevens is to fundamentally change the way the electronics industry views recycling of components: “Right now we have a new generation of devices coming out every 6-12 months. These devices are soldered or wired together so are difficult to recycle. If you do away with wires and connect your components by sticking them onto a sealed circuit board, taking them apart becomes easy. No desoldering, no heat treatments, no toxic chemicals, no damage to the components. High spec computers can be sent back to the manufacturer when the next model comes out and the processors can be reused for lower spec home computers. Eventually those same processors can end up in TVs and washing machines – dramatically increasing the lifecycle of electronics”

The underlying technology forms part of a portfolio of National and PCT phase patent applications.

~ ENDS ~

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About Isis Innovation

Isis Innovation is the research and technology commercialisation company of the University of Oxford. The Technology Transfer and Oxford University Consulting divisions provide access to technological developments and expertise from University of Oxford researchers, through intellectual property licensing, spin-out company formation, material sales and consulting.

Isis is the highest University patent filer in the UK, has attracted investment into over 65 spin-out companies since 2000, and in the last financial year provided expertise to over 150 clients in 22 countries. Through the Isis Enterprise division, Isis offers innovation management to university, government and industrial clients around the world. For updates on innovations from Oxford, follow Isis on LinkedIn and Twitter or subscribe at

Enquiries to:

Chandra Ramanujan

Business Relationships Manager

Isis Innovation Ltd

T: 01865 614434

Publisher Contact Information:

Isis Innovation
+44 1865 614434

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