Apparatus and method for underwater acoustic receiving system in

Details Apparatus and method for underwater acoustic receiving system in Apparatus and method for underwater acoustic receiving system in

1990-09-28

1991-06-11

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2 21R, 12820127, 381188, 381205, 367131, 367141, A42B 124

Patent

active

050221000

ABSTRACT:
An apparatus and method are provided for an underwater acoustic receiving stem 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.

REFERENCES:
patent: 518959 (1894-05-01), Kolbassieff
patent: 1209224 (1916-12-01), Stelzner
patent: 2388674 (1945-11-01), Browne
patent: 2937244 (1960-05-01), Weinger
patent: 3292618 (1966-12-01), Davis et al.
patent: 3504984 (1970-04-01), Bush
patent: 3562451 (1971-02-01), Mullen, Jr. et al.
patent: 3845768 (1974-11-01), Garrahan
patent: 3958275 (1976-05-01), Morgan et al.

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