ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,235,388, issued on Feb. 25, was assigned to GEOPRAEVENT AG (Zurich, Switzerland).
"Radar device" was invented by Patrick Rennhard (Buch am Irchel, Switzerland), Simon Vogel (Frauenfeld, Switzerland), Roland Kung (Wolfhausen, Switzerland) and Lorenz Meier (Zurich, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stationary radar device, which apart from a plurality of stationary receiving antennae, includes a plurality of stationary transmitting antennae for emitting primary radio waves. A frequency-modulated emitting signal is generated in two sequences. During the first sequences a plurality of successive first chirps are emitted by one of ...