WO2013132242A1 Filed by Elliptic Laboratories AS This invention defines a novel interaction paradigm where 3D hand gestures, detected via ultrasonic sensing, control user interface elements on a 2D screen, without touch. It introduces key principles for structuring and interpreting spatial gestures, enabling a responsive and layered user experience beyond traditional touchscreen interaction. 1. Spatially-Aware Gesture ZonesThe screen is logically partitioned into distinct…
