Underwater observation equipment and underwater observation system

摘要

PROBLEM TO BE SOLVED: To improve the extendability of a function and facilitate the function extension in an underwater observation device.;SOLUTION: Body sections (cylindrical body sections 10 and 22) having space sections 14 and 26 capable of storing at least one devices 12 and 24 and coupling openings (openings 20, 28 and 32) are unitized, a coupling section (coupling tool 30) is coupled to the coupling opening of this body section (cylindrical body section 10) through a first bonding section 50, and the other body section (cylindrical body section 22) is coupled to the coupling section (coupling tool 30) through a second bonding section 52. By employing such a coupling structure in a pressure vessel, the pressure vessel can be constituted by a coupled body formed of a plurality of body sections without impairing pressure resistance of respective body sections (cylindrical body sections 10 and 22).;COPYRIGHT: (C)2009,JPO&INPIT