Data processing and display for echo sounding data
Data selector circuit with channel skipper for data acquisition
Delay interpolator for digital phased array ultrasound beamforme
Depth finder having variable measurement capabilities
Depth finder with tutorial
Depth finding apparatus
Depth finding-trolling system
Depth sounder repeater structure and method
Depth sounder with object identification feature
Depth sphere
Depthfinder with color LCD display
Detection and classification for multi-beam sonar systems
Device and method for detecting position of movable body by...
Device for electronic focusing of ultrasonic waves
Device for forming an image by means of ultrasound
Device for measuring distance with ultrasound
Device for selectively detecting a moving object
Device for the determination of a ship in dock at the time of do
Digital beamformer having multi-phase parallel processing
Digital beamforming and filtering circuit