Patent ID: 7800980
Filing Date: 2010-09-21
Classification: B63G

Abstract:
1. An electroacoustic underwater antenna, in particular a side antenna which can be fitted to the outer skin of underwater vehicles, having hydrophones which are arranged in a row one behind the other at a fixed distance from one another in at least one elongated, closed cavity which is filled with a filler, and wherein: a plurality of cavities, which are fitted with hydrophones, extend separated from one another but parallel in front of and at a distance from a surface of a flat plate which is stiff to bend; the plate and the cavities are embedded in an acoustically transparent plastic body which has a flat panel shape; a plurality of said acoustically transparent plastic bodies fitted with hydrophones are arranged alongside one another and/or one behind the other; and each acoustically transparent plastic body is formed of a hard encapsulation that surrounds the flat plate which is stiff to bend, and in which hard encapsulation channels, which run parallel to one another and contain the hydrophones and the filler which is a material different from the hard encapsulation, are provided in order to form the cavities in front of and at a distance from the surface of the flat plate.