172287 ⎘
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves; Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic derived from different combinations of signals from separate antennas, e.g. comparing sum with difference the separate antennas having differently-oriented directivity characteristics
DRONE ENCROACHMENT AVOIDANCE MONITOR
#2Drone encroachment avoidance monitor
#3APPARATUS AND METHOD FOR DETERMINING A 3D DIRECTIONAL VECTOR BETWEEN A SENDING DEVICE AND A RECEIVING DEVICE
#4Need-based antenna switching in Wi-Fi angle-of-arrival locationing
#5Electronic device and method for improving angle of arrival of a signal
#6Drone encroachment avoidance monitor
#7Measurement system and method for measuring a measurement object, in particular a plastic profile
#8DRONE ENCROACHMENT AVOIDANCE MONITOR
#9Drone encroachment avoidance monitor
#10Drone encroachment avoidance monitor
#11Object orientation system, object orientation method and electronic apparatus
#12DRONE ENCROACHMENT AVOIDANCE MONITOR
#13Measuring device and measuring method for emulating an angle of departure determining test signal
#14Drone encroachment avoidance monitor
#15Drone encroachment avoidance monitor
#16Method for direction finding and direction finding antenna unit
#17Direction finding using signal power
#18Receiver circuit
#19Drone encroachment avoidance monitor
#20Methods and apparatus for determining angle of arrival (AOA) in a radar warning receiver
#21Apparatus for direction finding of wireless signals
#22Method and apparatus for location determination