Smartwatches can now track your finger in mid-air using sonar -- COMPAMED Trade Fair

Smartwatches can now track your finger in mid-air using sonar

As mobile and wearable devices grow smaller, it gets tougher for people to interact with screens the size of a matchbook. That could change with a new sonar technology developed by University of Washington computer scientists that allows you to interact with mobile devices by writing or gesturing on any nearby surface -- a tabletop, a sheet of paper or even in mid-air.

17/03/2016

Photo: finger on smartwatch

FingerIO, a new sonar technology developed by computer scientists and electrical engineers, allows you to interact with mobile devices and tiny smartwatch screens by writing or gesturing on any nearby surface - a tabletop, piece of paper or even in mid-air; ©Dennis Wise,University of Washington