Loading dock range finding system
Localization of high speed vehicles using continuous...
Location finding system, using reflected radio frequency or...
Location recognition system using stereophonic sound,...
Low cost shading for wide sonar beams
Low frequency portable lightweight sonar systems and their metho
Low frequency sonar systems
Low transient switching system
Low-frequency directional sonar systems
Magnetic relative position measuring system
Manual scan imaging sonar
Marine current determination
Marine depth sounding apparatus
Marine electronics with lure depth analyzer
Marine seismic streamer retrieval system
Matched filter, receiving beam-forming apparatus and sonar...
Matching transformer for ultrasonic transducer
Material classification apparatus and method
Means for improving turnaround time stability for R-C energy det
Means for reducing minimum sensing distance of an ultrasonic pro