Apparatus and associated methods relate to a self-contained ocean data and acquisition module (SCODAM) configured to mount to a floating body and having a sensor array, geospatial locating engine, wave measurement engine, communication engine to transmit collected data to a remote device, an energy conversion module adapted to convert ambient energy inputs into electrical energy, and an energy storage module configured to receive the converted electrical energy and to supply operating power to the SCODAM. In an illustrative example, the SCODAM may be configured to generate a transfer function based on motion characterization data obtained in a training mode corresponding to motion of the floating body in response to perturbation in a predetermined sequence and to apply the transfer function data obtained by the wave measurement engine to determine wave motion. Various embodiments may advantageously facilitate use of an existing floating body as an ocean data acquisition system (ODAS).

A system includes a fuel burner disposed within a buoy, and at least one fuel tank coupled to the fuel burner. The fuel tank preferably contains ethanol or propane. The system comprises either a thermoelectric generator or an electrical generator mechanically coupled to a heat engine. The ethanol or propane is burned to generate electric power. At least a portion of the electric power that is generated is stored in a battery system so that the system can provide peak levels of electric power consumption that are relatively large. The system can be used in autonomous marine applications.

A display system for use in a pool or a small body of water. The display system including an anchor, a floating platform tethered to the anchor, and at least one display element. The floating platform is generally flat. The generally flat floating platform provides buoyancy. The display element protruding up from the floating platform.

A buoy assembly with a carbon fiber body may include a first unit including a hollow core rod, a weight provided on the core rod, and an anchor connection part formed on one side of the weight, a second unit including multiple interior sections made from carbon fibers that are arranged radially along an outer perimeter of the core rod to form a hollow interior barrel and multiple exterior sections made from carbon fibers that are arranged radially along an outer perimeter of the interior barrel to form a hollow exterior barrel, and a third unit including an elevator pole configured to move up and down through an upper end of the core rod, a lantern mounted on an upper end of the elevator pole, a gear assembly engaged with the elevator pole, and a maintenance chamber holding the elevator pole and the gear assembly.

A rescue device may be provided. According to an exemplary embodiment, the rescue device may have a housing, at least one reflective mirror dispose don the housing, and at least one dye chamber disposed within the housing. The dye chamber may be filled with dye. The rescue device may have a retractable antenna disposed on the housing, wherein the retractable antenna may be capable of transmitting a rescue beacon. The rescue device may have at least one light and the rescue device may be buoyant.

A navigation aid light-signaling device includes a main body inserted in an upper extremity of a dolphin. The light-signaling device includes: fasteners for the attachment of said light-signaling device to the upper extremity of a small dolphin; at least one light source generating a directional and fixed light beam, said light beam being directed toward a second light-signaling device located at a given distance from the light-signaling device on a second dolphin, and a power supply supplying said light-signaling device.

A system includes a fuel burner disposed within a buoy, and at least one fuel tank coupled to the fuel burner. The fuel tank preferably contains ethanol or propane. The system comprises either a thermoelectric generator or an electrical generator mechanically coupled to a heat engine. The ethanol or propane is burned to generate electric power. At least a portion of the electric power that is generated is stored in a battery system so that the system can provide peak levels of electric power consumption that are relatively large. The system can be used in autonomous marine applications.

The present invention relates to an autonomous power generating device using gravity and buoyancy, an autonomous power generating device using a structure, and a marine boundary light using same. To this end, the present invention forms a rotating module having at least one rotating body provided on a rotating shaft and a power transmitting gear provided on one side end of the rotating shaft, a rope is hung to touch the rotating body of the rotating module and moves upward and downward, a buoyant body is provided on one side end of the rope, a tensioning body is provided on the other side end to vary the vertical force with the buoyant body, and the rotating force of the power transmitting gear of the rotating module is sequentially transmitted to a drive gear and a generator. Therefore, a fluctuation in water level can effectively be converted into an up-and-down vertical movement of the buoyant body.

The present disclosure discloses a system wherein coin-sized beacons can be attached to marine and other hazards such as buoys, shipwrecks, jetties and the like. The beacons can also be configured to a user's life jacket or other intimate item worn by divers or passengers. The beacon is equipped with an ability to emit sound/radio or light (Bluetooth or otherwise) waves that are detected by a user's receiving device hardware located aboard a vessel to alert the user of an approaching hazard. The signal can be configured to provide the location or distance and proximity to the vessel of the beacon and contact information of the beacon's registered owner. The beacon can continuously transmit these signals to alert oncoming vessels of the location of the beacon, or aid in the recovery of an overboard passenger or keep track of underwater divers. Further, the receiving device hardware can be adapted to a vessel's navigation system to automatically avoid marine hazards using the vessel's autopilot system.

A navigational buoy that includes a finned, hollow, transparent, spherical shell that floats on water. A multi-wheeled motor-unit sits inside the shell, and ballast weights attached to the motor unit cause it to rest on the bottom of the shell. A biasing structure attached to the motor unit, lights, and other aspects are included in some embodiments.