You’ll interact with smartphones and smartwatches by writing/gesturing on any surface, using sonar signals
March 17, 2016
A new sonar technology called FingerIO will make it easier to interact with screens on smartwatches and smartphones by simply writing or gesturing on any nearby surface. It’s is an active sonar system using the device’s own microphones and speakers to track fine-grained finger movements (to within 8mm).
Because sound waves travel through fabric and do not require line of sight, users can even interact with these… read more