DEEPBALANCE

Sonars; Data processing apparatus; Distance measuring apparatus; Downloadable computer operating programs; Echo sounding devices; Electric navigational instruments; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Navigation apparatus for vehicles; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Optical inspection apparatus; Precision theodolites; Radar apparatus; Radar detectors; Satellite navigational system, namely, a global positioning system (GPS); Sound transmitting apparatus; Surveying apparatus; Surveying instruments; Transmitters of electronic signals; Transparency projection apparatus; Video screens