| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 340850000 | UNDERWATER | 49 |
| 20090002192 | Dive computer system - A method of operating a dive information tracking system is disclosed wherein a diver or user carries or wears an underwater computer during an underwater dive. The underwater computer acquires information during the current underwater dive and the newly acquired information is wirelessly and automatically communicated to a central database that is connected to the world wide web of computers. | 01-01-2009 |
| 20090079583 | Shutdown System - A production shutdown system for an underwater hydrocarbon production facility, comprising, on the topside: | 03-26-2009 |
| 20090135022 | DIVE COMPUTER WITH GLOBAL POSITIONING SYSTEM RECEIVER - Dive computers in accordance with embodiments of the invention are disclosed. One embodiment includes a microprocessor, a pressure transducer connected to the microprocessor, a microphone connected to the microprocessor, a speaker connected to the microprocessor, a telephone transceiver connected to the microprocessor, a GPS receiver connected to the microprocessor and a display. In addition, the microprocessor, pressure transducer and display are configured to display information concerning the dive computer's depth of submersion, the microprocessor, microphone, speaker and telephone transceiver are configured to enable the dive computer to be used as a telephone handset, and the microprocessor is configured to obtain GPS coordinates from the GPS receiver. In a further embodiment, the microprocessor, the microphone, the speaker, the telephone transceiver, the display, and the GPS receiver are components of a mobile phone handset including an external connector for communicating with external devices, the pressure transducer is packaged separately from the mobile phone handset and the pressure transducer packaging includes a connector configured to mate with the external connector of the mobile phone handset creating a connection between the pressure transducer and the microprocessor, and the mobile phone handset and the pressure transducer are contained within a waterproof housing. In addition, a software application installed on the mobile phone handset configures the microprocessor to record information concerning the dive computer's depth and time of submersion in a dive log. | 05-28-2009 |
| 20090295596 | SWIM WATCH - A watch device for use by a swimmer while swimming in a body of water. The watch device may generally comprise a housing, a location determining component disposed within the housing and operable to receive one or more satellite signals to determine a current geographic location of the housing, and a processing system. The processing system may synchronize the location determining component with the swimmer's arm movement so that the location determining component can determine the current geographic location of the housing. | 12-03-2009 |
| 20100019929 | COMMUNICATION SYSTEM FOR SURVEY SOURCE AND RECEIVER - A method for communicating with a receiver during an electromagnetic survey. In one implementation, the method may include sending a survey signal to a subsurface region, wherein the survey signals is a first electromagnetic signal and sending a diagnostic signal to the receiver. The diagnostic signal is a second electromagnetic signal having a diagnostic message. | 01-28-2010 |
| 20100019930 | Electric Control and Supply System - In at least some embodiments, an electrically controlled subsea production system includes a subsea electrical distributor that receives a high direct current (DC) voltage. The electrical distributor converts the high DC voltage to a lower DC voltage. The electrically controlled subsea production system also includes a plurality of subsea trees coupled to the subsea electrical distributor, wherein valves of the subsea trees selectively operate based on the lower DC voltage. | 01-28-2010 |
| 20100052940 | POWER LINE COMMUNICATION DEVICE FOR SUBSEA WELL - An electronic subsea device ( | 03-04-2010 |
| 20100060478 | ANTENNA FOR UNDERWATER COMMUNICATIONS - An antenna comprises first and second radiating elements for connecting to a first and second potential levels respectively. The first and second potential levels are substantially different for generating an electrostatic field from the first and the second radiating elements. The antenna further comprises first and second field shaping structures for controlling field propagation in a first and second direction respectively. The first and second field shaping structures are interdisplaced for defining a field pathway while the first and second radiating elements are disposed adjacent to the first and second field shaping structures and along the field pathway for directing the electrostatic field in a propagation direction through a liquid medium. More specifically, the propagation direction is defined by the field pathway and substantially perpendicular to at least one of the first and second directions. | 03-11-2010 |
| 20100134319 | Electromagnetic/acoustic underwater communications system - An underwater communications system is provided that transmits electromagnetic and/or magnetic signals to a remote receiver. The transmitter includes a data input. A digital data compressor compresses data to be transmitted. A modulator modulates compressed data onto a carrier signal. An electrically insulated, magnetic coupled antenna transmits the compressed, modulated signals. The receiver that has an electrically insulated, magnetic coupled antenna for receiving a compressed, modulated signal. A demodulator is provided for demodulating the signal to reveal compressed data. A de-compressor de-compresses the data. An appropriate human interface is provided to present transmitted data into text/audio/visible form. Similarly, the transmit system comprises appropriate audio/visual/text entry mechanisms. | 06-03-2010 |
| 20100164747 | METHOD AND APPARATUS FOR ESTABLISHING LOW FREQUENCY/ULTRA LOW FREQUENCY AND VERY LOW FREQUENCY COMMUNICATIONS - A method for generating electromagnetic waves in the ELF/ULF comprising the steps of using a ground-based Horizontal Electric Dipole (HED) antenna to send electromagnetic pulses upwardly in the E-region of the ionosphere to form an oscillatory or pulsed electric field; allowing said pulsed electric field to interact with magnetized plasma of the lower ionosphere to generate a pulsed horizontal and vertical current which have associated Horizontal and Vertical Electric Dipole moment; and allowing them to radiate. | 07-01-2010 |
| 20100171637 | Wireless auxiliary monitoring and control system for an underwater installation - The present invention provides a wireless auxiliary system for monitoring and control of an underwater installation. The auxiliary system of the present invention sends data and control signals between an underwater installation—for example, a lower stack | 07-08-2010 |
| 20100238050 | Wireless underwater hull inspection system - An underwater inspection system comprising an underwater mobile inspection station ( | 09-23-2010 |
| 20100245119 | TWO-TIER STREAMER COMMUNICATION SYSTEM - A two-tier communication system for a seismic streamer. The communication system operates over an unshielded twisted-pair communication line extending the length of the streamer. Repeater units having a repeater function and a device controller function divide the twisted pair into line segments. Coils on each segment couple signals inductively to collocated external devices in a low-speed 2400 baud FSK data link between the devices and an associated device controller. A Gaussian 8-level FSK high-speed 60 kbit/s data link is established along all the segments with the repeaters re-transmitting boosted signals along the entire length of the communication line. The coils are transparent at the high-speed data rate. Time division multiple access (TDMA) or frequency division multiple access (FDMA) is used to accommodate the two links on the single twisted pair. | 09-30-2010 |
| 20100245120 | SEA VESSEL TAGGING APPARATUS AND SYSTEM - The present invention discloses a tagging and identification device and system for tracking and monitoring sea vessels as they enter sea ports, estuaries and/or other channels. The tagging device of the present invention comprises a receiver, for receiving an underwater electromagnetic signal transmitted by an underwater beacon. An acoustic transmitter is provided for transmitting an identification signal to an acoustic receiver deployed nearby. The acoustic identification signal is transmitted after an electromagnetic trigger signal is received from the underwater beacon. The tagging and device may further comprise a memory device which can store data relating to position and time of the see vessel to which it is attached. The tagging and identification device of the present invention is covert, compact and is capable of extended active deployment without replenishment of batteries etc. The identification tagging device and system of the present invention is capable of being deployed for tracking the location of sea vessels without the knowledge of the vessel crew. The system of the present invention allows third a third party to monitor suspect vessels as they enter specific ports or estuaries. | 09-30-2010 |
| 20100283628 | Underwater detection device - An underwater detection device for detecting underwater by transmission and reception of an ultrasonic signal is provided. The device includes a transmission module for transmitting the ultrasonic signal underwater, a reception module for receiving an echo signal of the transmitted ultrasonic signal, a bottom detection module for detecting a bottom based on the echo signal from the bottom, a bottom-sediment determination module for calculating probabilities of the bottom sediment on how much the bottom sediment contains each of predetermined bottom sediment types based on the echo signal and a bottom-sediment display module for displaying a texture representing each of the bottom sediment types below the bottom being displayed based on the probabilities. | 11-11-2010 |
| 20110199227 | System for underwater communications comprising fluid modifying means - The present invention provides a system for underwater communications by electromagnetic signals capable of providing a higher data transfer rate for a given range of communications than current prior art systems for underwater communications by electromagnetic signals. The system has an active mode of operation and an inactive mode. In the inactive mode the transmit antenna and the receive antenna are arranged so that the region extending between them is occupied by water. During the active mode, a fluid modifying means provides a reduced conductivity fluid in the region between the transmit antenna and the receive antenna and electromagnetic signals are transmitted from the transmitter to the receiver via the reduced conductivity fluid thereby providing a higher data transfer rate for a given range of communications. | 08-18-2011 |
| 20110227753 | REINFORCED MARINE OPTIC FIBER SECURITY FENCE - A fence for establishing a secure marine perimeter includes an optic fiber net. The optic fiber net includes an optic fiber wire with an input end and an output end. A light transmitter connects to the input end to introduce an input optic signal into the optic fiber wire. A light receiver connects to the output end to receive an output optic signal from the optic fiber wire. A strength member is incorporated into the optic fiber wire to strengthen the optic fiber net. A processor is connected to the light receiver to generate an output signal based on the output optic signal. The processor compares the output optic signal with the input optic signal and generates an alarm if a difference between the input optic signal and the output optic signal exceeds a predetermined alarm threshold. | 09-22-2011 |
| 20110291854 | OBTAINING DATA FROM AN UNDERWATER COMPONENT - A method of obtaining data from a subsea control module of an underwater well facility is provided. The method comprises: providing a tag which stores data relating to the module, the tag being operable to wirelessly transmit the data to a reader device; locating the tag at the module; providing a reader device; and interrogating the tag using the reader device, such that the tag is caused to wirelessly transmit the data to the reader device, wherein the tag is communicatively connected to a subsea electronics module for receiving information therefrom. | 12-01-2011 |
| 20110298633 | UNDERWATER DETECTION DEVICE - An underwater detection device includes a transceiver module for transmitting underwater an ultrasonic pulse signal that is frequency-modulated and receiving an echo signal corresponding to the transmitted signal, a pulse compression module for pulse-compressing the signal received by the transceiver module and outputting a signal pulse-compressed, a suppression range determining module for determining a suppression range where a range side lobe suppression process is performed for the pulse-compressed signal, an echo determining module for determining whether the data of the pulse-compressed signal at each depth corresponding to a range side lobe, a suppression value determining module for determining a suppression value for the data of the pulse-compressed signal at each depth, a suppression conducting module for performing a calculation to suppress the range side lobe based on the suppression value for the data determined to be data of the pulse-compressed signal corresponding to the range side lobe by the echo determining module among a plurality of data of the pulse-compressed signals that fall into the suppression range, and a display processing module for generating a signal for display based on the signal outputted from the suppression conducting module to display a generated signal as detected information. | 12-08-2011 |
| 20120098674 | WIRELESS SUBSEA MONITORING AND CONTROL SYSTEM - A subsea system for producing or processing a hydrocarbon production fluid comprises a plurality of sensors, each of which generates a sensor signal that is representative of a condition of a component of the system or a property of a fluid. A base unit mounted on or adjacent the system is in wireless communication with each of the sensors, and a subsea control module is in communication with the base unit. In operation, the sensor signals are transmitted wirelessly from the sensors to the base unit and are then transmitted from the base unit to the subsea control module. | 04-26-2012 |
| 20120105246 | CONTACTLESS UNDERWATER COMMUNICATION DEVICE - This invention provides, inter alia, communication devices for contactless underwater data transmission and reception. In one embodiment the present invention provides a transmitting device comprising (a) a water-tight housing; (b) a radiative element disposed outside of the housing, said radiative element comprising at least two antennae, wherein the radiative element is configured to propagate an electric field signal through water; and (c) a communications section disposed within the housing, said communications section being coupled to said radiative element, said communications section comprising at least one transmitter, wherein the communications section is configured to transmit digitally modulated data as an electric field signal propagated by the radiative element. Also provided are similarly constituted receiving devices, transceiving devices, systems containing such devices and methods of using such devices and systems. | 05-03-2012 |
| 20120105247 | BLACKBOX POSITION REPORTING DEVICE - Systems and methods are provided for reporting activities at certain locations below sea level. One embodiment includes a flight recorder system for collecting and reporting activities at specific locations below sea level. Further, the system is configured to provide automatic, real-time, collection of aircraft data and then transmission of such data to a world-wide communication system for subsequent reception, analysis, storage and generation of aircraft flight, safety, and fuel efficiency. | 05-03-2012 |
| 20120126992 | Exploitation Of Sea Floor Rig Structures To Enhance Measurement While Drilling Telemetry Data - A method for communicating data in an offshore data communication system comprises measuring L/MWD data with a sensor disposed in a bottomhole assembly positioned in a subsea borehole. The bottomhole assembly is disposed along a drillstring extending through the subsea borehole. In addition, the method comprises communicating the L/MWD data from the bottomhole assembly to the seafloor with a telemetry signal. Further, the method comprises receiving the telemetry signal with at least one telemetry transducer positioned proximal the sea floor. Still further, the method comprises processing the telemetry signal at the seafloor to produce a processed signal. Moreover, the method comprises transmitting the processed signal from the sea floor to the sea surface. | 05-24-2012 |
| 20120133525 | METHOD AND APPARATUS FOR SUBSEA WIRELESS COMMUNICATION - System and method for communicating the state of a downhole subsea well which includes a wellbore with at least one sensor disposed within it. Information from the wellbore is communicated to a seabed data governor which is disposed on the seafloor. The seabed data governor includes buoyant signaling devices and a release module allowing the release of the buoyant signaling devices which then travel to the sea surface. | 05-31-2012 |
| 20120212350 | UNDERWATER TETHERED TELEMETRY PLATFORM - A submersible telemetry platform includes a body and lift-generating surface(s) configured to provide lift to the body when a fluid flows thereacross. The platform includes attitude control surface(s) for controlling a pitch of the body in such a way that modifies the lift characteristics of the body. A control device is coupled to the attitude control surface(s) for controlling the lift attitude control surface(s). A base is configured to be anchored to a subsurface location and is coupled to the telemetry platform by a tether in such a way that the telemetry platform has freedom-of-movement about a common center point at the base. Telemetry equipment is coupled to the body of the telemetry platform for enabling wireless communication with at least one remote device. The telemetry platform is controllable to rise from a submersed position in a body of liquid to a surface of the body of liquid. | 08-23-2012 |
| 20120299742 | Power and Signal Distribution System - A power and signal distribution system comprises a converter unit connected to a plurality of control units. The converter unit and the control units are arranged in areas difficult to access, for instance on the sea bed. The converter unit is connected to a remote monitoring and supplying device via at least one cable connection. Each control unit has assigned thereto at least one production apparatus for crude oil or natural gas corresponding gate valves, chokes, biops, actuators. | 11-29-2012 |
| 20130021165 | ELECTRONICS MODULE FOR USE SUBSEA - An electronics module for use subsea is provided. The electronics module comprises a vibration sensor on a printed circuit board in the electronics module. the vibration sensor being configured to sense vibration of the electronics module. The module is typically a subsea electronics module for use in a control system for a subsea hydrocarbon extraction well facility. | 01-24-2013 |
| 20130038462 | SYSTEM AND METHOD FOR DATA TRANSMISSION VIA ACOUSTIC CHANNELS - The present invention relates to transmitting data using vector sensors and via the vector components of the acoustic field. The data can be received via vector sensors and/or scalar sensors and/or arrays of such sensors. | 02-14-2013 |
| 20130088360 | SUBSEA OPTICAL SWITCH - An optical monitoring system includes a sensor network including a plurality of optical sensors. The optical switch module is disposed on a first side of a pressure barrier, coupled to the sensor network, and operable to select various subsets of the optical sensors responsive to a control signal. The sensor interrogation unit is disposed on a second side of the pressure barrier and operable to generate the control signal and receive an optical signal from a particular subset of the sensor elements selected by the optical switch module. The optical penetrator is coupled to the interrogation unit and the optical switch module and operable to communicate the optical signal through the pressure barrier. The inductive control unit is operable to inductively communicate the control signal and a power signal to the optical switch module through the pressure barrier. | 04-11-2013 |
| 20130169448 | MONITORING THE OPERATION OF A SUBSEA HYDROCARBON PRODUCTION CONTROL SYSTEM - A method of monitoring the operation of a subsea hydrocarbon production control system is provided. The method comprises monitoring at least one subsea device of the system, and, if the at least one subsea device fails to a fail-safe condition, sending a wireless indication that the at least one subsea device has failed to a fail-safe condition. | 07-04-2013 |
| 20130187787 | SYSTEMS AND METHODS FOR TRANSMITTING DATA FROM AN UNDERWATER STATION - The systems and methods described herein include releasable storage devices that can surface with data. The devices include data storage, an antenna, battery and means to propel the device to the surface or into the atmosphere. In certain embodiments, it is a USB memory stick, a battery, suitable buoyancy, and an antenna. In certain embodiments, the systems and methods described herein include a rocket to boost the system out of the water to a higher altitude. Once the system is airborne, it can transmit data to a ship or satellite via radio communications, via other line of site methods such as optical, or may be captured by an aircraft such as a UAV. | 07-25-2013 |
| 20130194105 | SENSOR ARRAY - A sensor arrangement for monitoring a oil reservoir comprises a sensor array ( | 08-01-2013 |
| 20130285828 | SUBMARINE DATA RELAY SYSTEM AND METHOD - The present invention relates to a submarine data relay system that enables smooth and stable wired data relay without interruption of data transmission even in harsh undersea conditions. The system includes: a main system placed on the water, generating control data and transmitting the control data into water, and collecting data generated in water; a plurality of relay devices placed at different depths, delivering control data from the main system to corresponding sensor units to support measurement, and collecting measurement data from the sensor units and transmitting the measurement data to the main system; an operational line connecting the main system and the relay devices in series for data transmission and power delivery; and an emergency line connecting the main system and every second relay devices, wherein when a break occurs at a section of the operational line, the broken section thereof is replaced with the emergency line. | 10-31-2013 |
| 20130307699 | Arrangement and Method for Controlling and/or Monitoring a Subsea Device - An arrangement for controlling and/or monitoring at least one subsea device may include: a first level node communicatively, in particular electrically and/or fiberoptically connectable to an equipment above a sea surface of a sea; at least one second level node communicatively, e.g., electrically and/or fiberoptically connected to the first level node and electrically connectable to the at least one subsea device, wherein the first level node and the at least one second level node are arrangeable at a sea bottom of the sea. A corresponding method is also disclosed. | 11-21-2013 |
| 20130328691 | METHOD AND SYSTEM FOR COMMUNICATION FOR UNDERWATER COMMUNICATIONS - An apparatus for underwater communications. The apparatus may include a high speed communications cable to provide an underwater hardwired communications link to a surface station and a mobile device operative to transport a first end of the high speed communications cable between a submarine and a coupling point to the surface communication station, wherein the high speed communications cable is operative to reversibly form a hardwired connection between the coupling point and the submarine. | 12-12-2013 |
| 20130335232 | Riser wireless communications system - The present invention discloses a wireless data command, control and instrumentation system for deployment within a subsurface hydrocarbon production system. Low frequency magnetic signalling is used to communicate from a first transceiver deployed inside a riser pipe to a second transceiver positioned outside the riser pipe. In some embodiments data is related to a control centre. Through pipe communications may be bi-directional. | 12-19-2013 |
| 20140035759 | SOURCE FOR ELECTROMAGNETIC SURVEYING - A submersible high current PWM-based source system for marine electromagnetic surveying for hydrocarbon exploration. The system converts a periodic, arbitrary digital signal to a high output current in a HED optimized for maximum dipole moment, using PWM modulation and real-time current regulation for precise output amplitude. The design and choice of components allows a wideband EM signal to be generated with sharp transition characteristics and substantially independent of the AC input power characteristics. This in turn enables for improved tailoring of an EM source signal for a specific subterranean prospect, and thus increased accuracy of the EM data. | 02-06-2014 |
| 20140152455 | AUTONOMOUS UNDER WATER VEHICLE FOR THE ACQUISITION OF GEOPHYSICAL DATA - The present invention has, as a first object, an autonomous underwater vehicle equipped for the acquisition of the gravimetric and magnetic gradient near the seabed, characterized in that it comprises: —at least one gravimetric gradiometer; —at least one magnetic gradiometer. In particular, said autonomous equipped underwater vehicle allows underwater explorations as far as 3,000 m. A second object of the present invention relates to an analysis method of the geophysical characteristics of the subsoil, comprising the acquisition of the gravimetric and magnetic gradient in an underwater environment characterized by the following phases: —use of an autonomous equipped underwater vehicle according to the present invention; —immersion of said vehicle to the proximity of the seabed; —navigation along a programmed route; —acquisition and storage of the data collected by said gradiometers and said instruments with correlation to the geographic measurement point; —recovery of the data collected and use thereof for geophysical analysis of the subsoil. | 06-05-2014 |
| 20140184421 | Subsea Power and Data Communication Apparatus and Related Methods - Subsea power and data communications apparatus, subsea wireless sensor hubs assemblies, subsea wireless sensor hubs, and methods of providing power to and receiving data from subsea data gathering devices, are provided. An exemplary apparatus can include subsea sensors/gauges, batteries to power the sensors/gauges, charging circuits for controlling charging of the batteries, one or more BOP control pods, an RTU, and a subsea wireless connection hub. The hub can include a stationary wheel carrying wireless stationary connection members each electrically connected to a battery and a respective subset of sensors/gauges. The hub can also include a rotatable wheel carrying a single wireless movable connection member configured to provide power to each of the stationary connection members and to receive data from the stationary connection members. A motor is provided to rotate the rotatable wheel to position the mobile connection member in front of a selected one of the stationary connection members. | 07-03-2014 |
| 20140191878 | Subsea Communication - A subsea communication system and its method of operating are provided. A subsea power distribution module of the subsea communication system may be adapted to be connected to a topside power supply of a topside installation and to distribute electric power received from topside power supply to subsea modules. A first communication connection to the subsea power distribution module may be adapted to provide a data communication with the topside installation. A second communication connection between the subsea power distribution module and a subsea module may be provided. The subsea power distribution module may forward data communications received on the first communication connection to the subsea module via the second communication connection. | 07-10-2014 |
| 20150009039 | WIRELESS COMMUNICATION - A method for use in controlling pressure based signal transmission within a fluid in a flowline includes transmitting a pressure based signal through a fluid within a flowline using a flow control device, recognising a condition change associated with the flowline, and then controlling the flow control device in accordance with the condition change. Another method, or an associated method for use in communication within a flowline includes determining or composing an optimised pressure based signal for detection at a remote location and then transmitting the optimised signal using a flow control device. | 01-08-2015 |
| 20150015410 | CONTROL SYSTEM OF AN ACTUATOR FOR THE ACTUATION OF SUBMARINE DEVICES - Electronic control system for a submarine actuator, said actuator comprising a container body, from which a drive shaft projects that is suitable for inserting in a seat of said submarine device. The system comprises an electronic control board for at least one electric motor arranged inside said container body suitable for moving said drive shaft. | 01-15-2015 |
| 20150042486 | COMMUNICATION IN A SUBSEA WELL CONTROL SYSTEM - A communication arrangement for a subsea well control system, comprising an umbilical between a topside location and a subsea location, an electrical conductor in said umbilical, and a data transmission system configured to transmit and receive data between said locations via said conductor, wherein a return path for said data comprises the sea. | 02-12-2015 |
| 20150054653 | TRANSMISSION APPARATUS, RECEPTION APPARATUS, TRANSMISSION/RECEPTION SYSTEM AND RECEPTION PROGRAM - A transmission apparatus is a transmission apparatus that generates a pressure wave for transmitting data in drilling mud, and includes a tubular member, a plurality of valves that are provided side by side in an axial direction of the tubular member inside the tubular member, each of which includes a stator including holes for passing the drilling mud, and a rotatable rotor which is provided to overlap the stator and includes blocking portions blocking the holes in the stator according to a rotation position, a motor that rotates the respective rotors, and a control unit that controls the motor | 02-26-2015 |
| 20150361786 | Subsea Electronic Data System - A subsea electronic information system for managing data related to a characteristic of subsea equipment locatable subsea. The system includes sensors locatable subsea and in communication with and capable of measuring a characteristic of the subsea equipment. A sensor interface box (SIB) separate from the sensors and locatable subsea includes a processor and a memory device capable of receiving and storing sensor measurement data. Additionally, the SIB is in data and power communication with the sensors. | 12-17-2015 |
| 20160044390 | SUBSEA CONNECTOR WITH DATA COLLECTION AND COMMUNICATION SYSTEM AND METHOD - A subsea data collection and communication system is installed at a subsea interconnect point or subsea connector used for communication between subsea electrical, optical or hybrid electro-optical cables. The data collection and communication system is configured to collect system performance data such as voltage, current, optical pressure and the like from signals carried by the wires or fibers in cables connected to the connector unit, and may also collect data on environmental conditions from sensors installed in or on the connector unit, such as temperature, pressure, or sea water salinity sensors, and the like. The collected data is transmitted to a remote monitoring station or local hub for further processing to detect potential faults or performance degradation either at periodic intervals or on demand, using bi-directional Ethernet, CANBUS, a carrier frequency system over the cable power lines, optical signal over optical fiber, or wireless communication links over short distances. | 02-11-2016 |
| 20160177700 | Power and Communications Hub For Interface Between Control Pod, Auxiliary Subsea Systems, and Surface Controls | 06-23-2016 |
| 340852000 | Electrodes and electrode systems | 2 |
| 20100102985 | RECEIVER ORIENTATION IN AN ELECTROMAGNETIC SURVEY - A system for determining the position and/or orientation of electromagnetic receivers in a network of receiver instruments at a remote location, a first receiver instrument including one or more electromagnetic sensors, the system comprising transmitting means to send a characteristic signal, detecting means to detect transmitted signals from a plurality of receiver instruments, depth measurement means to measure the depth of the first instrument, recording means to store data from the transmitting means, the detecting means and the depth measurement means, and processing means for processing data from the receiver instruments. | 04-29-2010 |
| 20110187553 | METHOD AND SYSTEM OF AN ELECTROMAGNETIC TELEMETRY - An electromagnetic telemetry repeater. At least some of the illustrative embodiments are methods comprising inducing an electrical signal along a metallic tubular (the electrical signal carrying the information and the inducing within a borehole beneath the ocean floor), sensing an electric field proximate to the ocean floor, sensing a magnetic field proximate to the ocean floor, recreating the information using one sensed field as indicative of the information and the other sensed field as indicative of the noise, and sending the information toward the ocean surface. | 08-04-2011 |
