Sonars and sonar systems for fish finding, trawl sonars, echo sounders, echo sounder transducers, echo sounders and echo sounder systems for use in combination with marine positioning systems [ ; sensors for catch control, namely, battery powered sensors mounted on the fishing gear which sense a catch, depth of the gear, temperature, trawl height of the gear, trawl door spread of the gear, trawl geometry, trawl mounted echo sounders, sensor measuring pitch, roll and yaw; marine radar apparatu...

Computer software for operating and interpreting data from optical and interferometric test equipment in the nature of a microscope

COMPUTER HARDWARE; COMPUTER SOFTWARE AND MANUALS THEREFOR SOLD TOGETHER AS A UNIT FOR USE IN IMAGE PROCESSING