Brackish-water wire detector
Coherent integrator
Collision detection device
Control sensor for a construction machine
Depthsounder/fish finder
Device and method for adaptive ultrasound sensing
Device and method for sonar measurement of a swimming pool
Device for transit time measurement and method
Digital phase-locked loop
Digital time-delay beamformer for sonar systems
Distance measuring device
Double phase-lock-loop sonar
Dual reflected energy beam alignment system
Dynamic control circuit for multichannel system
Echo detection doppler gate
Echo ranging pulse discrimination circuit
Echo recognition system
Electrical signal discrimination
High data rate continuous wave towed sonar
Icing preventive device for ultrasonic wave transmitting and rec