Sk­inTrack can turn your skin into a touch­screen

Fiji Sun - - Techworld -

Smart­watches are of­ten crit­i­cised for their fid­dly, hard to con­trol in­ter­faces. Now, a lab at Carnegie Mel­lon Univer­sity has found a so­lu­tion – a de­vice that means the wearer’s skin can be used as the touch­screen. The Fu­ture In­ter­faces Group, part of the univer­sity, have created ‘Sk­inTrack’, which “en­abled con­tin­u­ous track­ing on the skin”. A ring, worn on the non-watch hand, emits a “high fre­quency AC sig­nal” that con­nect to a sens­ing wrist­band, much like the strap of a tra­di­tional smartwatch, which is fit­ted with elec­trodes. When the ring fin­ger touches the watch-wear­ing hand, a sig­nal is sent to the watch and al­lows wear­ers to nav­i­gate their de­vice us­ing their skin. A num­ber of com­mands are also pos­si­ble - you can sign doc­u­ments, for ex­am­ple, and trac­ing par­tic­u­lar let­ters will bring up par­tic­u­lar apps, for ex­am­ple (‘E’ for email or ‘F’ for Face­book).

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