28results about "Communication means" patented technology

A method for a collision avoidance system of a host marine vessel, and to updating vessel classifications and navigational statuses of marine vessels.

Low size, weight, power and cost (SWaP-C), flexible programmability and rapid run-time reconfigurability are desired features for the design of adaptive, underwater wireless communication modems for micro autonomous underwater vehicle (μAUV) swarms. Disclosed herein are first-generation and second-generation software and hardware design of a new class of low SWaP-C underwater modems that can accommodate wide-band acoustic front-ends and achieve s-level reconfigurability during run-time. By dynamically mapping certain signal processing operations of the acoustic communication stack to the Field Programmable Gate Array (FPGA) and others to the embedded processing system of the modem's System-on-Chip, data rates of up to 2000 bps can be achieved in ranges up to 50 m with the implementation of custom programmable logic.

An evacuation guidance system includes: an evacuation guidance management system that acquires information of a disaster which has occurred in a marine vessel, acquires passenger position information in the marine vessel, formulates an evacuation route, and specifies a passenger to be subjected to evacuation guidance and a position of the passenger; and a mobile body that performs control to move an own device to the position of the specified passenger on the basis of the specified passenger and the position of the passenger and to move the own device along the evacuation route while outputting guidance information to the passenger.

The invention relates to an underwater communication system configured to transmit data between an underwater vehicle (100-1) and a remote device and / or another underwater vehicle (100-2), comprising a radiating cable (115) having a first end and a second end opposite the first end, a radiating cable immersion device attached to the first end of the radiating cable, a radiating cable guide attached to the second end of the radiating cable, a modem (120) connected to the radiating cable, a receive-transmit module (125) connected to the modem, with the modem and the receive-transmit module configured to transmit, as a guided signal through the radiating cable, data received by the receive-transmit module and / or to transmit, via the receive-transmit module, data obtained from a guided signal received from the radiating cable. (See Figure 3 for abbreviations.)

The invention provides a remote controller, a terminal and a shipborne device. A control section of the terminal acquires a current position of the vessel and a current position of the terminal in response to receiving an input of an operation for controlling a predetermined propulsive force of the vessel. The control unit of the terminal calculates the relative distance between the ship and the terminal on the basis of the current position of the ship and the current position of the terminal. A control unit of the terminal determines a predetermined control amount of the propulsive force on the basis of the calculated relative distance. The control unit of the terminal transmits, to the ship, a remote signal including a command for controlling the predetermined propulsive force in accordance with the determined control amount.

To provide a method for a collision avoidance system of a host marine ship, and to update a ship classification and a navigation status of a marine ship.SOLUTION: The present method is started by obtaining sensory data from a sensor, which allows the present system to detect and classify marine targets based on their type and navigation status. Incorporating current route planning and navigation marine chart data allows the present system to assess potential obstructions and adjust a navigation route accordingly.SELECTED DRAWING: Figure 5

The controller of the terminal acquires a current position of the ship and a current position of the terminal in response to receiving an input of an operation for controlling a predetermined propulsive force of the ship. The controller of the terminal calculates a relative distance between the ship and the terminal according to a current position of the ship and a current position of the terminal. The controller of the terminal determines a control amount of a predetermined propulsive force according to the calculated relative distance. The controller of the terminal transmits to the ship a remote signal including a command for controlling the predetermined propulsive force according to the determined control amount.

The invention relates to a subsea load monitoring apparatus (1) comprising: - a load sensor (40) having a first end (41) and a second end (42); - a central processing unit (61) configured for processing measurements from the load sensor (40); - a battery (60) for powering the central processing unit (61); - an activation device (63) being configured for activating the central processing unit (61) from an idle operational mode to an active operational mode; - a first and a second load attachment means (51, 52) connected to the first and second end (41, 42) of the load sensor (40), respectively; and - an output device (90) for the processed measurements from the load sensor (40). The invention relates furthermore to a subsea load monitoring system (10) and methods for use of the subsea load monitoring system (10).

The present invention discloses a real-time vessel identity and image matching system and operating method thereof. Specifically, the real-time vessel identity and image matching system comprises a processing module, a storage module, at least one camera and a water surface object information receiving module. The processing module may match the camera location information, image recognition information which are provided by the camera with the water surface information which is provided by the water surface object information receiving module, generating a water surface object information tag. Therefore, the processing module is able to label the water surface object information tag beside the water surface object which is displayed.

An underwater docking station comprises a cage frame (11), which has an inlet port (12) and delimits an internal housing (6) for accommodating an underwater vehicle (7); a first acoustic transceiver assembly (14) configured to exchange acoustic signals with the underwater vehicle (7); a first optical transceiver (15) assembly configured to exchange optical signals with the underwater vehicle (7); an integrated electronic system (28) comprising a control unit (16), which is in communication with the first acoustic transceiver assembly (14) and with the first optical transceiver assembly (15), and is configured to generate acoustic signals and / or optical signals for driving the underwater vehicle (7) along a return path toward the inlet port (12) of the cage frame (11) and to transmit said generated signals to the underwater vehicle (7) by means of the first acoustic transceiver assembly (14) and / or the first optical transceiver assembly.

A system and method for implementing a high speed link between a mobile cache and an edge cache. For example, one embodiment of a system comprises: a mobile cache deployed on a vessel / vehicle, the mobile cache to store multimedia content to be provided to passengers on the vessel / vehicle; a first network device including a first plurality of wireless network antennas communicatively coupled to the mobile cache; an edge cache deployed at a designated location at which the vessel / vehicle is expected; a second network device including a second plurality of wireless network antennas communicatively coupled to the edge cache; wherein upon arrival at the designated location, each of the first plurality of wireless network antennas is paired with at least one of the second plurality of wireless network antennas to establish a plurality of simultaneous wireless links to exchange multimedia content between the edge cache and the mobile cache.

Floating platform assemblies include self-stabilizing features and a housing with at least two articulating wings extending outwardly therefrom. Each wing includes a pivot assembly at a proximal end, a spring assembly operatively connected to the pivot assembly, solar panels disposed thereon, and a float at a distal end. The pivot assemblies permit independent articulation of each wing to compensate for wind and wave forces while maintaining the wings in a substantially horizontal orientation. A payload may be coupled to the housing and may be in electrical communication with a controller for data collection. A wireless communication module transmits collected data to remote systems. Methods for deploying distributed data collection networks include transitioning the assemblies from a collapsed state to a deployed state in a body of water, collecting and processing data, and communicating among multiple assemblies to aggregate composite data sets.

A sensor buoy comprising: a buoy casing configured to float on a body of water; an antenna mounted to the buoy casing so as to limit an RF range of view to no more than fifteen kilometers; an instantaneous frequency measurement (IFM) receiver mounted to the buoy casing and communicatively coupled to the antenna; a pulse descriptor word (PDW) generator mounted to the buoy casing and configured to receive an output from the IFM receiver; a processor configured to receive PDWs generated by the PDW generator and to calculate a corresponding pulse repetition interval (PRI); a magnetometer communicatively coupled to the processor; a scheduler communicatively coupled to the processor and configured to control when the sensor buoy transmits information; and a transmitter communicatively coupled to the scheduler and configured to format data from the processor into a correct format and packet structure for transmission.

Rescue flotation systems for use in near-shore and offshore environments to assist with rescue of individuals in dangerous aquatic conditions are disclosed. The rescue flotation systems include a flotation body having a grabbable ring positioned around an outer perimeter, an internal storage compartment, an emergency call actuator configured to trigger a distress response upon activation by a person in distress, a location tracker, a communications system configured to transmit a wireless distress signal including the location to responders upon activation, a distress indicator configured to emit a local visual and / or audible distress signal upon activation, and a power supply (e.g., solar panel) configured to power the location tracker, the communications system, and the distress indicator. Some of the rescue flotation systems further include life-sustaining and first-aid supplies stored in the internal storage compartment.

The present invention generally relates to a method for a collision avoidance system of a host marine vessel, and to updating vessel classifications and navigational statuses of marine vessels.

An electronic chart system (ECS) is configured to be coupled to a user interface. In one embodiment, the ECS is implemented using a logic device configured to obtain a predicted fix for a watercraft position. Based on the predicted fix, the logic device obtains an electronic chart of an area containing a location of the predicted fix. The logic device searches the electronic chart for static objects whose ranges and / or bearings are viewable from the watercraft at the predicted fix location. Other systems, methods, and devices are also provided.

The invention relates to an underwater communication system configured to transmit data between an underwater vehicle (100-1) and a remote device and / or another underwater vehicle (100-2), comprising a radiating cable (115) having a first end and a second end opposite to the first end, a radiating cable immersion device fixed to the first end of the radiating cable, a radiating cable guide element fixed to the second end of the radiating cable, a modem (120) connected to the radiating cable, a receive-transmit module (125) connected to the modem, with the modem and the receive-transmit module configured to transmit, as a guided signal through the radiating cable, data received by the receive-transmit module and / or to transmit, via the receive-transmit module, data obtained from a guided signal received from the radiating cable.

A method and apparatus for transmitting a notification in a vessel using metal body communication are provided. The apparatus for transmitting a notification in a vessel using metal body communication includes a communication circuit configured to communicate with a wireless communication relay device for performing metal body communication, a processor, and memory storing instructions executable by the processor, wherein, when the instructions are executed by the processor, the apparatus is configured to receive information about an event occurring in the vessel, determine, based on at least one of a type and a risk level of the event, a notification recipient to which a notification message about the event is transmitted, and transmit, through the wireless communication relay device, the notification message to one or more radios corresponding to the determined notification recipient.

A system for remotely operating a watercraft includes a controller, a communication interface, and a communication switch. The controller is disposed on the watercraft and is configured or programmed to control the watercraft, the communication interface is disposed on the watercraft and is configured to perform satellite communication using a satellite and terrestrial communication using a ground base station, and the communication switch is configured to switch a communication method of the communication interface between the satellite communication and the terrestrial communication. When radio waves transmitted from the ground base station are not receivable by the communication interface, the communication switch is configured to switch the communication method of the communication interface from the terrestrial communication to the satellite communication.

The present invention provides a cable planning method based a fast marching method applied with simulated annealing (FMM / SA) algorithm. In the FMM / SA algorithm-based cable planning method, the FMM used to obtain the optimal submarine cable path with the lowest life-cycle cost, and the SA algorithm is used to continuously adjust the weight of each design consideration with the aim to achieve an optimal cable path that is as close as possible to a real-life cable path which has a history of cost-effectiveness and resilience. The set of weights contributed to the optimal cable path is then used as an optimal set of weights of design considerations for cable path planning. The FMM / SA algorithm-based cable planning method can provide a computationally effective approach which has lower computation costs and better performance in generating cable paths with optimal life-cycle cost and reliability.

This technology provides effective ways to ensure safety when remotely operating ships. [Solution] The terminal's control unit acquires the current position of the vessel and the current position of the terminal in response to receiving input for an operation to control a predetermined thrust force on the vessel. The terminal's control unit calculates the relative distance between the vessel and the terminal based on the current positions of the vessel and the terminal. The terminal's control unit determines a predetermined amount of thrust force to control based on the calculated relative distance. The terminal's control unit transmits a remote signal to the vessel, which includes a command to control the predetermined thrust force according to the determined amount of thrust force.

The present disclosure relates to a water surface floating type electromagnetic wave signal relay device, which includes: a central processing mechanism, including a first waterproof housing, and a control circuit board and a power supply assembly arranged inside the first waterproof housing, the power supply assembly being connected to the control circuit board; an antenna mechanism, including a second waterproof housing and an antenna assembly arranged inside the second waterproof housing, the second waterproof housing being hermetically assembled and connected to the first waterproof housing, and the antenna assembly being in signal connection with the control circuit board; and a floating mechanism, including three or more floating units, the three or more floating units being distributed around the central processing mechanism in an annular array, and each of the floating units being connected to the first waterproof housing of the central processing mechanism in a stretchable and / or foldable manner.

A computer implemented method for providing marine vessel data of a marine vessel (121) with a plurality of sensor devices (260, 290), the method comprising: receiving a first sensor data item (731) comprising first sensor data (S1) of a first sensor device (290) of the plurality of sensor devices (260, 290), associated with a first local timestamp (ts1) generated based on a local clock (710); receiving a second sensor data item (734) comprising second sensor data (S4) of a second sensor device (260) of the plurality of sensor devices (260, 290), associated with a second local timestamp (ts4) generated based on the local clock (710) and a first universal timestamp (UTC4) generated based on a universal clock (720); determining time correction value (840) based on the second sensor data item's (734) second local timestamp (ts4) and the universal timestamp (UTC4); and generating time information (811) for the first sensor data (S1) of the first sensor device (290) using the first local timestamp (ts1) and the time correction value (840).

The present application provides a floating atomizer light speaker device, which includes: a housing configured to float on a water surface and including a spray nozzle oriented upward; an atomization assembly disposed within the housing and configured to convert liquid into mist, which is discharged through the spray nozzle; a sound-producing device disposed within the housing and configured to play audio; a power supply system disposed within the housing for supplying power to the atomization assembly and the sound-producing device; and a control circuit board electrically connected to the power supply system and the sound-producing device, wherein the control circuit board includes a wireless communication module, the control circuit board is configured to receive wireless signals via the wireless communication module and control the sound-producing device to play audio based on the received wireless signals.

To disclose a wireless communication system and a wireless communication method for wireless communication in a communication shadow environment.SOLUTION: A wireless communication system includes a first communication relay device that wirelessly communicates with a first wireless device via a first communication channel, and a second communication relay device that wirelessly communicates with a second wireless device via a second communication channel different from the first communication channel. The first communication relay device and the second communication relay device communicate with each other using a metal object as a communication medium, and broadcast a pilot signal including communication channel information.SELECTED DRAWING: Figure 3

The invention relates to a shore-based radar, AIS (Automatic Identification System) and spaceborne SAR (Synthetic Aperture Radar) collaborative dense channel abnormal ship detection method. The method comprises the following steps of synchronously acquiring imaging data of a spaceborne SAR for a target area, monitoring data of the shore-based radar for the target area and AIS (Automatic Identification System) data of a ship; dividing the ship targets in the target area into moving ship targets, static ship targets and static suspicious targets; for the moving ship target, judging whether the moving ship target is an abnormal target or not based on motion information in the AIS data and the monitoring data; and for the static ship target and the static suspicious target, judging whether the static ship target or the static suspicious target is an abnormal target based on the feature information extracted from the AIS data and the imaging data. According to the invention, abnormal ships can be accurately detected under low visibility, and the navigation safety of dense channels is improved.

A safety system according to the present invention includes an on-ship system which is provided on a ship and a land system which is provided on land. The on-ship system and the land system each obtain, from a safety detection device and a safety maintenance device which are provided on a ship, data which has been detected by the safety detection device and a signal which indicates a state of the safety maintenance device, and, on the basis of the obtained data and signal, transmit to the safety maintenance device a control signal for controlling the safety maintenance device.

A deployable truss may include multiple longerons connected together by battens and diagonals, the longerons resiliently deformable to form a coil when the truss is collapsed; and a leading end configured to move to deploy the truss, wherein, during deployment from a collapsed configuration, the coil moves to deploy the truss. A deployment system may apply a torsional load to the coil to cause formation of a stiff or rigid truss section from the coil. An orientation control system may control a position of the truss, such as adjusting the truss's orientation or tilt, within a water column. A storage sleeve may receive the coil when the truss is collapsed. Multiple sensors may be coupled to the truss in a sensor spacing allowing formation of the coil without geometric interference of the sensors.