Fishfinders; sonar; echo sounders; ultrasonic sensors; ultrasonic detectors for detecting target objects in the nature of marine life, and underwater objects; radar detectors and apparatus; [telecommunication machines and apparatus, namely, satellite navigational apparatus and instruments for vehicles and vessels;] LCD monitors, image display apparatus and digital image analysis apparatus for displaying information received from fishfinders, sonar, echo sounders, ultrasonic sensors, ultrasoni...