An underwater station including: a transmitter means located on a flotation means connected to the station, and a tracking means to determine the relative location of the flotation means.

In order to provide an underwater microscope which can obtain a sharp picture of live underwater microorganisms in motion, an underwater microscope 10 comprises at least a camera 12 having an optical axis of an optical system, a channel 22 introducing a water sample, a sample chamber 16 having a thickness ranging from 0.5 mm or more to 2 mm or less placed near a focus of the camera 12 and connected to the channel 22, and a light source 18 placed diagonally behind the sample chamber 16, wherein t...

An underwater light generally has a base having a light source housing chamber and a bottom tunnel. The base has at least two screw holes communicating the light source housing chamber with the bottom tunnel. A substrate for a light-emitting device is disposed in the light source housing chamber. A reflection cover is disposed over the substrate. A watertight upper cover is disposed over the reflection cover, and coupled to the upper edge of the light source housing chamber. The screw holes are ...

A lamp assembly comprised of a waterproof casing, a lamp disposed within the casing, and a source of electrical current electrically connected to the lamp, from the source to the lamp. The lamp, when operated with a 12 volt power supply, consumes less than 40 watts The preferred lamp used in the assembly is described and claimed in U.S. Pat. No. 5,418,419.

A submersible underwater housing for a waterproof camera is adapted to hold the camera in either a vertical or a horizontal viewing position. The housing has a rudder to guide the camera when the camera is disposed in a moving body of water.

The invention involves underwater vehicles utilizing submersible electricity generation and storage systems involving flywheel devices. These underwater vehicles include autonomous underwater vehicles, remotely operated vehicles, and supporting mobile and stationary tools, stations, and equipment. The underwater vehicle utilizes a pressurizable waterproof enclosure that contains a novel combination of: electricity generation devices, flywheel power sources, energy collection control circuitry an...

To obviate the need for hydraulic lines, from the surface, external water pressure is used to compress a seal member and form a seal with a surrounding pip. Valve is opened at depth to allow water to act on a piston, moving it within a chamber so as to compress the seal member. A second valve may be opened so that water acts on the opposite end of the piston to release the seal member.

An underwater electrical or optical connector assembly has a plug unit containing at least one contact element in a bore within the plug body and a receptacle unit containing at least one contact element in a bore aligned with the plug bore when the two parts are mated together. Each of the bores terminates in an enlarged, recessed seat at the front or mating face of the respective unit, and a seal member is movably mounted in each seat. Each seal member has a through bore aligned with the respe...

An underwater scooter includes a watertight vessel enclosing an engine disposed in the fore part of a cylindrically shaped main frame, a propeller disposed in the aft area, and a driveshaft passes through the interior of the main frame and transmits the output of the engine to the propeller. An operator rides upon air tanks disposed between the engine and the propeller on the main frame, so the burden on the operator can be reduced in comparison to that of conventional types that tow the operato...

An underwater scooter including a main frame on which are disposed two air tanks serving as a saddle area for the operator, a depth adjusting mechanism disposed to the fore of the air tanks, and a steering mechanism disposed to the aft of the air tanks. The depth adjusting mechanism can be swiveled freely around a vertical axis using a swivel mechanism, and moreover the angular displacement in this swiveling is transmitted by a swivel angle displacement transmission mechanism to the steering mec...