Accession Number : ADD015085

Title :   Apparatus and Method for Underwater Acoustic Receiving System Installation in Diving Helmet.

Descriptive Note : Patent, Filed 28 Sep 90, patented 11 Jun 91,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Belanger, Normand

Report Date : 11 Jun 1991

Pagination or Media Count : 6

Abstract : 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 handheld 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.

Descriptors :   CIRCUIT INTERCONNECTIONS, DEEP OCEANS, DIVER EQUIPMENT, DIVERS, EARPHONES, EXTERNAL, HAND HELD, HELMETS, INSTALLATION, INTERNAL, MINIATURIZATION, PRESSURE SEALS, SONAR, WATER

Subject Categories : Acoustic Detection and Detectors
      Electrical and Electronic Equipment
      Life Support Systems

Distribution Statement : APPROVED FOR PUBLIC RELEASE