223974 ⎘
Transmission systems characterised by the medium used for transmission, not provided for in groups - Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy
ENERGY SAVING AND EFFICIENT ROUTING METHOD FOR UNDERWATER SENSOR NETWORK
#2BATTERY MODULE, METHOD OF OPERATING THE SAME, AND BATTERY PACK
#3UNDERWATER RADIO FREQUENCY COMMUNICATION AND IMAGING THROUGH SURFACE ELECTROMAGNETIC WAVES
#4FLOATING DEVICE AND SWIMMING POOL CLEANING ROBOT
#5ADAPTIVE FILTERING ALGORITHM FOR UNDERWATER ACOUSTIC CHANNEL ESTIMATION
#6APPARATUS FOR FIBER PROTECTION
#7Underwater Optical Wireless Communication System
#8SYSTEM FOR VISUAL LIGHT COMMUNICATION AND RELATED METHODS
#9RADIO FREQUENCY (RF) ANTENNAS FOR COMMUNICATION THROUGH WATER, SEA ICE, OR BOTH
#10SELF-PASSIVATING METAL ANTENNA
#11Tracking Subsea Telecommunications Asset Capacity and Spectrum
#12DEVICE FOR ENABLING MOBILE COMMUNICATION TERMINAL TO EXCHANGE INFORMATION UNDERWATER THROUGH ELECTROMAGNETIC WAVES
#13MOVING BODY AND DISTANCE ESTIMATION METHOD
#14UNDERWATER LASER COMMUNICATION OR SENSING SYSTEM AND METHOD
#15OPTICAL UNDERWATER DATA TRANSMISSION
#16WIRELESS CHARGING METHOD FOR CHARGING UNDERWATER MOVING DEVICE
#17FEATURE EXTRACTION-BASED IMITATED MARINE MAMMAL SOUND SIGNAL COVERTNESS SCORING METHOD
#18SUBSEA MEASUREMENT APPARATUS, METHOD OF COMPRESSSING MEASUREMENT DATA AND METHOD OF PROVIDING INTER-COMPATIBILITY BETWEEN APPARATUS
#19SYSTEM AND METHOD FOR GENERATING ELECTRIC BASED NON-LINEAR WAVES IN NATURAL TERRESTRIAL ENVIRONMENTS
#20WIRELESS DATA TRANSMISSION SYSTEM AND WIRELESS DATA TRANSMISSION METHOD
#21FIBER-OPTIC ACOUSTIC ANTENNA ARRAY AS AN ACOUSTIC COMMUNICATION SYSTEM
#22Method And Apparatus For Wireless Communications
#23Underwater acoustic communication system based on filter bank joint sub-carrier multidimensional index modulation and method thereof
#24SEAFLOOR OBSERVATION NETWORK-BASED SUBSURFACE BUOY DEVICE WITH REAL-TIME POWER SUPPLYING AND HIGH-SPEED DATA TRANSMITTING
#25System for visual light communication and related methods
#26ENCODING DATA ACROSS DIFFERENT DOWNLINK CHANNELS
#27WIRELESS AUDIO STREAMING SYSTEM FOR SWIMMERS AND UNDER WATER APPLICATIONS
#28COMMUNICATION DEVICE AND COMMUNICATION SYSTEM
#29UNDERWATER WIRELESS OPTICAL COMMUNICATION SYSTEM
#30Anchor monitor
#31SYSTEMS, METHODS, AND COMPUTER-READABLE MEDIA OF AUTOMATIC NETWORK SLICING OF UNDERWATER ACOUSTIC COMMUNICATION SYSTEM RESOURCES
#32COMMUNICATION APPARATUS AND ESTIMATION METHOD
#33Ship Hull Inspection using a Swarm of Unmanned Underwater Vehicles equipped with Wireless Laser Systems
#34Diver's Voice Communication System
#35SYSTEM FOR VISUAL LIGHT COMMUNICATION AND RELATED METHODS
#36Receiving apparatus
#37Underwater communication network for autonomous underwater vehicles
#38TECHNIQUES FOR MANAGING THE CELLULAR CONNECTIVITY STATE OF A SUBMERGED WIRELESS DEVICE
#39Automatic aiming method and apparatus for underwater optical communication
#40WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION SYSTEM AND WIRELESS COMMUNICATION METHOD
#41Tracking subsea telecommunications asset capacity and spectrum
#42Systems, methods, and computer-readable media of automatic network slicing of underwater acoustic communication system resources
#43A RECEIVER AND A COMMUNICATION ASSEMBLY
#44Mobile device underwater communications system and method
#45WIRELESS COMMUNICATION
#46HYDRAULIC DEVICE MEASUREMENT APPARATUS, HYDRAULIC DEVICE MEASUREMENT SYSTEM, AND HYDRAULIC DEVICE MEASUREMENT METHOD
#47UNDERWATER NETWORK MANAGEMENT SYSTEM AND OPERATION METHOD THEREOF
#48Very low frequency signals for underwater communications
#49Methods And Apparatus For Wideband Acoustic Communication
#50Cellular automaton for use in long-range acoustic networks
#51Multi-band hyperbolic frequency modulation spread spectrum communication method based on cross sub-band division
#52Wireless audio streaming system for swimmers and under water applications
#53Underwater wearable device, communication system comprising the same and communication method
#54Compact ULF digital communication device for underground and undersea applications
#55Method and apparatus for underwater acoustic communication
#56Underwater optical wireless communication system, underwater optical communication method, and underwater moving body
#57System for visual light communication and related methods
#58Communication system for exchanging data between underwater devices and a land-based data communication network
#59Underwater Communication System
#60Fiber branch structure for spatial optical communication and optical communication system equipped with same
#61Data encoding and decoding method for underwater acoustic networks (UANs) based on improved online fountain code
#62Methods And Apparatus For Acoustic Backscatter Communication
#63Receiving apparatus
#64Method for implementing many-to-one concurrent transmission medium access control (MAC) protocol for underwater acoustic networks
#65UNDERWATER OPTICAL COMMUNICATION SYSTEM
#66Omnidirectional data and energy harvesting system and method in underwater wireless optical communication
#67Underwater communications system having selectable beam and associated methods
#68System For Protecting Ships From Torpedoes
#69Method and apparatus for wireless communications
#70Submarine device, submarine device monitoring method, and optical communication system
#71Submarine optical communication system, method for transmitting monitoring result, and non-transitory computer readable medium storing monitoring program
#72UNDERWATER OPTICAL COMMUNICATION DEVICE
#73Communication apparatus and communication method
#74Anchor monitor
#75Terminal line interface module for undersea open cable system access
#76Optical data transmission system for swimmers
#77System and method for generating electric based non-linear waves in natural terrestrial environments
#78Wireless audio streaming system for swimmers and under water applications
#79Across water-air interface communication method and system
#80UNDERWATER COMMUNICATION USING ELECTRONIC DEVICES
#81Underwater communication device and underwater communication method
#82Hydroacoustic communication system and receiving apparatus
#83System for visual light communication and related methods
#84SYSTEM AND USE METHOD FOR UNTETHERED TRAP BROUGHT TO SURFACE BY REMOTE CONTROL
#85Method for optimizing protograph-based LDPC code over underwater acoustic channel
#86COMMUNICATION SYSTEM
#87Underwater transducer for wide-band communication
#88Mobile device underwater communications system and method
#89Optical to acoustic communications systems and methods
#90Receiver for providing an activation signal to a device
#91Integrated acoustic localization and communications array
#92Compact ULF digital communication device for underground and undersea applications
#93UNDERWATER COMMUNICATION DEVICE AND UNDERWATER COMMUNICATION SYSTEM
#94Subsea oilfield communications system
#95System for protecting ships from torpedoes
#96Hybrid optical/acoustic wireless communications network
#97Communication method
#98Subspace-based blind identification algorithm of ocean underwater acoustic channel for multi-channel FIR filter
#99Underwater wireless optical communication unit and system
#100Under-liquid communication using magneto-quasistatic signals
#101Acoustic to optical communications systems and methods
#102Powerline interface communication
#103UNDERWATER FREE SPACE OPTICAL COMMUNICATION SYSTEMS
#104Automated telemetry for switching transmission modes of a downhole device
#105UNDERWATER DATA CAPTURE AND TRANSMISSION SYSTEM
#106DIVING MASK COMPRISING A LI-FI COMMUNICATION MODULE
#107Underwater communication device and underwater communication system
#108UNDERWATER ACOUSTIC SENSOR NETWORKS
#109Method and apparatus for wireless communications
#110Power transfer system with multiple energy storage modules
#111Automated telemetry for switching transmission modes of a downhole device
#112Methods and apparatus for acoustic backscatter communication
#113High-bandwidth underwater data communication system
#114Sub-band selection activation-based multi-band hyperbolic frequency modulation spread spectrum underwater acoustic communication method
#115System for measuring mechanical properties of sea floor sediments at full ocean depths
#116Communications system
#117Communications system
#118System for visual light communication and related methods
#119HIGH PERFORMANCE TELEMETRY SYSTEM WITH A COMBINATION OF SOFT AND HARD DECISION DECODNIG
#120Turbo receivers for multiple-input multiple-output underwater acoustic communications
#121Method, device and system for underwater acoustic communication
#122Techniques for transmitting and/or receiving an optical signal
#123Underwater acoustic tracking and two way messaging system
#124Systems and methods for underwater illumination, survey, and wireless optical communications
#125Acoustic data transmission, telemetry and underwater communication systems
#126Method of scheduling for underwater wireless mobile network
#127Optical link management
#128High-bandwidth underwater data communication system
#129System and method for data transmission via acoustic channels
#130Remote subsea hose position monitoring
#131High-density submarine ROADM unit with remote WSS redundancy
#132Soil measurement system using wireless signals
#133Underwater locator device (ULD) particle suppressor/trap
#134COMMUNICATION NETWORK
#135COMMUNICATION IN FLUID MEDIUM USING MOTOR MODULATION
#136Subsea telecommunication system
#137Optical link management
#138High-bandwidth underwater data communication system
#139Method and apparatus for sending signal of underwater communication
#140Secure and disruption-tolerant communications for unmanned underwater vehicles
#141Borehole communication using vibration frequency
#142Signal transmission system and method
#143System and method for data telemetry among adjacent boreholes
#144Methods and apparatus for cross-medium communication
#145Communications system
#146Optical link management
#147COMMUNICATION APPARATUS FOR INCREASING COMMUNICATION SPEEDS, SPECTRAL EFFICIENCY AND ENABLING OTHER BENEFITS
#148Submersible inspection device and wireless communication with a base station
#149High-bandwidth underwater data communication system
#150Communications system
#151Optical communication device
#152UNDERWATER SOURCE NODE POSITIONING METHOD
#153Optical link management
#154Submerged Vehicle Localization System and Method
#155Underwater radio communication system, transmitting unit, receiving unit, and underwater radio communication method
#156Underground communication system
#157A SENSOR NETWORK AND APPARATUS THEREFOR
#158System and use method for untethered trap brought to surface by remote control
#159PASSIVE ULTRA LOW FREQUENCY TARGET TRACKER
#160Secure and disruption-tolerant communications for unmanned underwater vehicles
#161Underwater positioning system for scuba divers
#162Systems and methods for underwater coaching systems
#163Underwater acoustic leaky wave antenna
#164SUBSEA ACOUSTIC POWER SYSTEMS AND METHODS
#165Turbo receivers for multiple-input multiple-output underwater acoustic communications
#166TURBO RECEIVERS FOR SINGLE-INPUT SINGLE-OUTPUT UNDERWATER ACOUSTIC COMMUNICATIONS
#167Releasable forward section of an underwater vehicle
#168Subsea oilfield communications system
#169Systems and method for estimating clock drift in underwater acoustic instruments
#170Underwater communication method
#171Transmitter-receiver separation system for full-duplex underwater acoustic communication system
#172Communications system
#173Underwater communication method
#174System for a pool including visual light communication and related methods
#175Methods and systems for downhole sensing and communications in wells
#176COMMUNICATION SYSTEM NETWORK
#177Method for managing in an adaptive and joint way the routing policy and the retransmission policy of a node in an underwater network, and means for its implementation
#178Apparatus for monitoring conditions within a water body
#179System for making motion pictures under water
#180Wireless audio streaming system for swimmers and under water applications
#181Communication and sensor techniques for underwater radio communication
#182Method and apparatus for wireless communications
#183Method and apparatus for ultra high bandwidth acoustic communication and power transfer
#184Underwater mobile body
#185UNDERWATER MOBILE BODY AND UNDERWATER COMMUNICATION SYSTEM
#186Through-the-earth emergency radio system
#187Systems and methods for transmitting data from an underwater station
#188Acoustic communication method and acoustic communication system
#189Systems and methods for underwater illumination, survey, and wireless optical communications
#190Communications system
#191Underwater data center
#192High-bandwidth underwater data communication system
#193High-bandwidth underwater data communication system
#194Transmission of power and communication of signals over fuel and hydraulic lines in a vehicle
#195Collaborative telemetry
#196Long distance subsea can bus distribution system
#197WET MATE FIBER OPTIC CONNECTOR
#198Collaborative telemetry
#199Collaborative telemetry
#200Data communication system with multiple data links and operating modes
#201Optical link management
#202OPTICAL AMPLIFIER FOR SUBSEA CONTROL SYSTEMS
#203System and method for implementing adaptive pulse position modulation (APPM) for improved optical communications performance
#204METHOD AND APPARATUS FOR SYNCHRONIZING CLOCKS UNDERWATER USING LIGHT AND SOUND
#205Method and apparatus for underwater acoustic communication
#206Communication apparatus for increasing communication speeds, spectral efficiency and enabling other benefits
#207Through-the-earth emergency radio system
#208Apparatus and method for increased data rates in underwater communications using orbital angular momentum
#209Subsea contactless connector system and method with extremely high data transfer rate
#210Adaptive RLS decision feedback equalizing system and implementation method thereof
#211Underwater positioning system for scuba divers
#212SUBSEA COMMUNICATION DEVICE
#213METHOD, DEVICE AND SYSTEM FOR PROVIDING RADIO FREQUENCY SIGNALS FOR UNDERWATER COMMUNICATION DEVICE
#214System and method for reducing rig noise transmitted downhole
#215Underwater acoustic tracking and two way messaging system
#216Underwater connector arrangement
#217High-bandwidth underwater data communication system
#218UNDERWATER ACOUSTIC ARRAY, COMMUNICATION AND LOCATION SYSTEM
#219ACOUSTIC FREQUENCY INTERROGATION AND DATA SYSTEM
#220Communication systems for water vehicles
#221High-bandwidth underwater data communication system
#222System and method for enhancing speech of a diver wearing a mouthpiece
#223System and Method for Transmission of Electrical Signals in Imperfectly Conducting Media
#224UNDERWATER ACOUSTIC ARRAY, COMMUNICATION AND LOCATION SYSTEM
#225Automatic inspection and monitoring method based on time domain slotting control
#226Emission power controlled radio signal emitting node
#227Underwater acoustic array, communication and location system
#228Optical based pose detection for multiple unmanned underwater vehicles
#229Transmitting electrical power and data
#230Data transfer apparatus
#231UNDERGROUND DATA COMMUNICATION APPARATUS, SYSTEM, AND METHOD
#232High-bandwidth underwater data communication system
#233Underwater multi-hop communications network
#234System and method for providing underwater video
#235Methods and apparatus for underwater electrical near-field signal system
#236Systems and methods for double data rate communication via power cable
#237Systems and methods for underwater wireless radio-frequency communications
#238Method, controller, and system for tunnel communication
#239Electromagnetic pulse downhole telemetry
#240Magnetic antennas for ultra low frequency and very low frequency radiation
#241Optical communication systems and methods
#242Alternating phase filter for increasing communication speeds, spectral efficiency and enabling other benefits
#243System, method and apparatus for controlling buried devices
#244Downhole telemetry signal modulation using pressure pulses of multiple pulse heights
#245Method and apparatus for multi-channel downhole electromagnetic telemetry
#246System and method for enhancing speech of a diver wearing a mouthpiece
#247Electric power transmission device and electric power transmission method
#248Underwater observation apparatus
#249Underwater acoustic array, communication and location system
#250Method and apparatus for underwater acoustic communication
#251Visible light communication system
#252Transmission device, and fender provided therewith
#253Optical communication systems and methods
#254First responder and mine emergency communication
#255Extended range undersea communication system
#256Underwater transceiver device, underwater communication system and related communication method
#257Underwater communication system and related communicating method and devices
#258Receiver for sideband mitigation communication systems and methods for increasing communication speeds, spectral efficiency and enabling other benefits
#259Pressure wave transmission apparatus for data communication in a liquid comprising a plurality of rotors, pressure wave receiving apparatus comprising a waveform correlation process, pressure wave communication system and program product
#260Repeater, excitation light supply device used for the same, and excitation light supply method
#261COMMUNICATION IN A SUBSEA WELL CONTROL SYSTEM
#262Communication with an underwater vehicle
#263Wireless communication
#264High-bandwidth underwater data communication system
#265High-bandwidth underwater data communication system
#266Underwater communication system
#267VLF transmit antenna system, method and apparatus
#268Method and apparatus for underground equipment monitoring
#269System and methods of acoustic monitoring
#270Method for mobile underwater acoustic communications
#271Methods, systems, and computer readable media for providing smart underwater free space optical communications
#272Underwater optical communication system
#273Method, controller, and system for tunnel communication
#274Subsea communication
#275Subsea power and data communication apparatus and related methods
#276METHOD FOR OPERATING A COMMUNICATION SYSTEM AND COMMUNICATION SYSTEM
#277Communication systems for water vehicles
#278System for providing information and associated devices
#279Downhole time domain reflectometry with optical components
#280UNDERWATER ACOUSTIC MULTIPLE-INPUT/MULTIPLE-OUTPUT (MIMO) COMMUNICATION SYSTEMS AND METHODS
#281Underwater Communications
#282Communications system
#283Mobile device with an underwater communications system and method
#284Mobile device with an underwater communications system and method
#285Reducing noise in a sequence of data by linear and non-linear estimation
#286Riser wireless communications system
#287Underwater connector arrangement
#288Underwater communication device
#289Underwater Navigation
#290Underwater acoustic array, communication and location system
#291Footwear seismic communication system
#292Anchor data communication system
#293Acoustic frequency interrogation and data system
#294UNDERWATER ACOUSTIC MULTIPLE-INPUT/MULTIPLE-OUTPUT (MIMO) COMMUNICATION SYSTEMS AND METHODS
#295System and method for transporting electric power and providing optical fiber communications under sea water
#296Portable through-the-earth radio
#297Underwater communication system
#298Systems and methods for transmitting data from an underwater station
#299VERBALLY PROMPTING INDICATOR DEVICE USING VERBAL HUMANLIKE VOICES IN CONNECTION WITH SCUBA TANKS, DIVE COMPUTERS AND OTHER DIVE EQUIPMENT FOR IMPROVED UNDERWATER DIVING PERFORMANCE
#300Sideband mitigation communication systems and methods for increasing communication speeds, spectral efficiency and enabling other benefits