PLL sonic bilge pump switch
Portable ranging system for analyzing gait
Position detecting device, autonomous mobile device, method,...
Position detecting system and method
Position determination apparatus
Position determining apparatus
Position determining apparatus
Position measuring apparatus and method
Positioning system
Positioning system
Positioning system using ultrasonic waves and method for...
Preformed beam tracker
Pressure compensated composite polymer outboard sensor assembly
Process and device for locating noise emitters with an antenna c
Process for detecting mobiles objects by means of passive...
Projectile sonar
Propagation sampled acoustic line array