Marvelmind Robotics
Country: Russian Federation
City: Moscow
Stage: rev
Industry: Energy: Clean Tech
Precise (+-2cm) Indoor "GPS" for autonomous robots, vehicles, copters, VR and humans
1) GPS doesn't work indoor 2) GPS gives only 5-10m precision
Off-the-shelf indoor navigation system based on stationary ultrasonic beacons united by radio interface in license-free band