Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 13 - Transmission systems characterised by the medium used for transmission, not provided for in groups
Patents for H04B 13 - Transmission systems characterised by the medium used for transmission, not provided for in groups (1,959)
12/2012
12/19/2012CN101777954B Underwater sound channel effective sound velocity estimating method based on intrinsic sound ray visual search
12/19/2012CN101777939B DDS-based Doppler compensation device in real-time water sound communication
12/18/2012US8335469 Communications system
12/12/2012EP2531099A2 Data gathering system
12/12/2012CN102820933A Underwater sound MODEM (modulator-demodulator) for underwater interphone
12/12/2012CN101471734B Multi-transmission multi-receive acoustic positioning network system and positioning method thereof
12/11/2012US8331856 Underwater camera communication system
12/11/2012US8331789 Operation terminal
12/06/2012WO2012165349A1 Receiver apparatus and capsule-type endoscope system
12/06/2012WO2012125425A3 Wearable personal body associated device with various physical configurations
12/05/2012CN102811115A Method for prolonging elastic wave through-the-earth communication distance
12/04/2012US8326220 Underwater data transfer system
12/04/2012US8326219 Communications system
12/04/2012US8326144 Transmission path monitoring method and device
12/04/2012US8325056 System for underwater communications comprising fluid modifying means
11/2012
11/29/2012US20120299742 Power and Signal Distribution System
11/28/2012CN202565255U Small high-power transmitter in underwater sound communication network
11/28/2012CN102801774A System and method for vehicle control using human body communication
11/28/2012CN101769739B Integrated hydrology monitoring system
11/28/2012CN101594185B Method for Doppler estimation and synchronization of mobile water sound communication signal
11/27/2012US8320764 Combined phase and polarization modulation for optical communication
11/22/2012US20120294619 Novel architecture for undersea repeaterless systems
11/22/2012US20120294112 System for measuring a time offset and method of measuring a time offset
11/21/2012CN101605001B Doppler measurement and correction method for MFSK underwater acoustic communication
11/20/2012US8315560 Underwater navigation
11/15/2012DE102011101547A1 Method for communication of data and information between independent submarine vehicles e.g. submarine boats, by using telephones, involves terminating alteration of emission direction of signal if vehicle receives acknowledgment signal
11/14/2012CN101444020B Method of transferring application data from a first device to a second device, and a data transfer system
11/07/2012EP2520330A1 Low power signal transmission
11/06/2012US8305227 Wireless auxiliary monitoring and control system for an underwater installation
10/2012
10/31/2012CN202513951U Multi sub-band acoustic anti-Doppler modulation and demodulation device based on auxiliary pilot frequency
10/31/2012CN101478322B Low frequency communication receiving system
10/30/2012US8299936 Method and apparatus for establishing low frequency/ultra low frequency and very low frequency communications
10/26/2012WO2012144252A1 Electrode structure for electric field communication
10/25/2012US20120269037 Broadband sound source for long distance underwater sound propagation
10/18/2012WO2012141440A2 Channel switching method in a medical body area network
10/18/2012WO2012140943A1 Electrode structure for electric field communication
10/17/2012CN102739322A Remote underwater acoustic communication method based on soft-demodulation soft-decoding joint iteration
10/17/2012CN102739321A Signal transmission device, communication device, electronic apparatus, and signal transmission method
10/11/2012DE102011016083A1 Method for transmitting modulated radio frequency (RF) signals from transmitting station through RF-proof wall to receiving station, involves transforming data signals into waveform to overcome wall by overlay/Heterodyn transponder
10/10/2012CN202488465U Ocean electric signal transmitter
10/10/2012CN102724147A Channel estimation method for underwater sound orthogonal frequency division multiplexing
10/10/2012CN102723999A Gravitation communication device and method based on Cabendish torsion balance
10/10/2012CN101383663B Ground through communication system
10/04/2012WO2012131224A1 Wireless communication device and method
10/03/2012CN102710339A Water sound Modem (modulator-demodulator) management platform and water sound Modem management method
10/02/2012US8279710 Underwater synchronisation system
09/2012
09/26/2012EP2503580A1 Switch device
09/26/2012CN101567728B Data transmission system and data transmission method for underwater acoustic network
09/26/2012CN101335574B Sound shielding method for multipath channel
09/25/2012US8275311 Method in connection with a wrist diving computer and a wrist diving computer system
09/25/2012US8274861 Underwater network having buoyancy compensation and anchoring systems
09/20/2012WO2012125425A2 Wearable personal body associated device with various physical configurations
09/20/2012US20120236689 Acoustic transducers for underwater navigation and communication
09/19/2012CN101388732B In-situ test system and method oriented to water sound sensor network
09/18/2012US8270895 Transmitting sports and entertainment data to wireless hand held devices over a telecommunications network
09/12/2012CN102668420A Assembly of apparatuses for implementing data transmission via the human body
09/12/2012CN102664687A CHIRP-OFDM system frequency domain diversity receiving method
09/12/2012CN102664686A Transmission device, electric field communication transceiver, and electric field communication system
09/05/2012EP2494719A2 Assembly of apparatuses for implementing data transmission via the human body
09/05/2012CN202424699U Mine radio transmitting station
09/05/2012CN102656828A Communication sheet structure and information management system
09/05/2012CN101120527B Device capable of being operated within a network, network system, method of operating a device within a network
08/2012
08/30/2012WO2012113757A1 Underwater connector arrangement
08/30/2012CA2827456A1 Underwater connector arrangement
08/29/2012CN101610139B Hybrid automatic repeat request method of underwater sound MODEM
08/23/2012WO2012112561A1 Wearable personal communicator apparatus, system, and method
08/23/2012WO2012111484A1 Waveguide device, communication module, and electronic device
08/23/2012US20120213031 Networked sonar observation of selected seabed environments
08/23/2012US20120212350 Underwater tethered telemetry platform
08/15/2012EP2487817A1 Communication sheet structure and information management system
08/15/2012CN102638308A Method for analyzing underwater light transmission characteristic
08/08/2012CN102629879A Underwater acoustic communication method based on mode frequency modulation
08/02/2012WO2012103433A1 Communication dipole for implantable medical device
08/02/2012WO2012102836A1 Communication dipole for implantable medical device
08/01/2012EP2481175A1 Asynchronous transmission with double wake up
08/01/2012CN202364239U Underwater multi-user voice communication apparatus capable of dynamic spectrum allocation
08/01/2012CN102625404A Distributed routing protocol method for three-dimensional underwater acoustic sensor networks
08/01/2012CN102624463A Method and system for establishing communication links in submarine communication
07/2012
07/25/2012CN102612817A Apparatus and method for transmitting data in low-frequency band in human body communication system, and the human body communication system
07/25/2012CN102612727A Switch device
07/25/2012CN102611662A Underwater acoustic modem with low cost and low power consumption
07/25/2012CN101902394B Signal deep-sea long-distance transmission method based on serial communication
07/25/2012CN101366210B Method and apparatus for providing touch and play (tap) - based service and system using the method and apparatus
07/19/2012WO2012096243A1 Reference potential generation device
07/19/2012WO2012066450A4 Footwear seismic communication system
07/19/2012WO2012051196A3 Lift-gas optimization with choke control
07/18/2012CN1938971B Transmitter, field communication transceiver
07/18/2012CN102598551A Systems and methods for through-the-earth communications
07/18/2012CN102594462A Portable wireless through-the-earth communication system
07/18/2012CN102035728B Time division multiplex protocol method applicable to underwater sound communication network
07/17/2012US8224621 Sensing apparatus and method
07/12/2012WO2012093667A1 Reference potential generating device
07/12/2012WO2012093603A1 Electromagnetic wave transmission sheet
07/12/2012US20120175122 Electronics module
07/11/2012CN202334537U 水声信号处理系统 Underwater acoustic signal processing system
07/11/2012CN102576264A Input/output device, mobile device, and information displaying device
07/11/2012CN102571215A Health service network based on intra-body communication system
07/10/2012US8219024 Underwater data transfer system
07/10/2012CA2448686C Fiberoptic coupling
07/05/2012US20120170414 Acoustic signal detector
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