Apparatus and method for underwater acoustic receiving system installation in diving helmet

摘要

An apparatus and method are provided for an underwater acoustic receiving system installation in a deep-sea diving helmet. The present invention is directed to a modification of a diving helmet of the type having mixed gas blanking caps for use with miniature hand-held sonar systems operating at depths of 200 feet or more. The invention provides electrical interconnection of an external sonar receiving system to an internal earphone located near the diver's head in the helmet. The invention permits quick connection and disconnection of wiring outside and inside the helmet without breaking water and pressure seals.