172343 ⎘
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 ultrasonic, sonic or infrasonic waves; Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics wherein the signals are derived simultaneously
Sub-classes:Directional infrasound sensing
#2Authority vehicle movement direction detection
#3Speaker recognition/location using neural network
#4Floating base vector sensor
#5Speaker recognition/location using neural network
#6VOICE RECOGNITION IMAGE FEEDBACK PROVIDING SYSTEM AND METHOD
#7Method and system of acoustic angle of arrival detection
#8Floating base vector sensor
#9Three-dimensional measurement device with annotation features
#10Hostile fire detection for an airborne platform
#11Sound source localization apparatus and method
#12Collaborative location/orientation estimation
#13Estimating a sound source location using particle filtering
#14SOUND SOURCE DETECTING DEVICE AND METHOD THEREOF
#15Acoustic treatment apparatus and method thereof
#16Method and apparatus for obtaining acoustic source location information and a multimedia communication system
#17Apparatus and methods for detecting and locating signals
#18Sound source localization based on binaural signals
#19Apparatus, system, and method for machine perception