| Patents for H04B 13 - Transmission systems characterised by the medium used for transmission, not provided for in groups (1,959) |
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| 07/06/2011 | EP2341645A1 Underwater communications system |
| 07/06/2011 | EP2341644A1 Underwater communications system |
| 07/06/2011 | EP1821432B1 Information transmission through-human-body system and transmitter/receiver |
| 07/06/2011 | CN102118335A Demodulation method for frequency-modulation acoustic communication system |
| 07/06/2011 | CN102118332A Orthogonal wavelet blind equalization method based on immune clone particle swarm optimization |
| 06/30/2011 | WO2011050946A3 Assembly of apparatuses for implementing data transmission via the human body |
| 06/29/2011 | CN102113248A Single sound transmission apparatus using human body communication |
| 06/27/2011 | DE202011100105U1 Gerät zur Drahtlosen Übertragung und Anzeige von Warnsignalen für Kraftfahrzeuge und Krafträder Device for Wireless transmission and display of warning signals for motor vehicles and motorcycles |
| 06/23/2011 | WO2011072682A1 Method of detecting contact between a user's body and an item |
| 06/23/2011 | US20110149691 Supercavitating Projectile Tracking System and Method |
| 06/22/2011 | CN201878153U Deep-water common-frequency bidirectional video and audio data transmission system |
| 06/22/2011 | CN101013926B Method and system for network communication of wireless sensor |
| 06/15/2011 | CN102100019A Optical communication system supporting detection and communication networks |
| 06/15/2011 | CN102098113A Method for realizing water sound sensor network MAC (Media Access Control) protocol based on ALOHA and TDMA (Time Division Multiple Access) |
| 06/15/2011 | CN102098112A Method and system for underwater short-distance data communication through light-emitting diode (LED) light source |
| 06/15/2011 | CN102098111A Underwater voice communication system through light-emitting diode (LED) light source and diving helmet |
| 06/15/2011 | CN102098110A Gravitational wave communication method and device |
| 06/08/2011 | CN201860334U Underwater ultrasonic receiver based on automatic gain control |
| 06/08/2011 | CN102088659A Underwater life search and rescue system based on wireless sensor network |
| 06/01/2011 | EP2327355A1 Capsule guidance system |
| 06/01/2011 | EP2327174A1 Optical communication system supporting detection and communication networks |
| 05/31/2011 | US7953326 Systems and methods for underwater optical communication |
| 05/26/2011 | WO2011061823A1 Switch device |
| 05/26/2011 | WO2011031815A3 Oceanic communications system |
| 05/25/2011 | CN201846340U Portable underwater acoustic communication device for frogman |
| 05/25/2011 | CN201845082U Portable deck unit |
| 05/25/2011 | CN1838549B Information processing system, information processing apparatus, methods, program and recording medium |
| 05/18/2011 | CN1701544B Electric field-detecting optical device, transreceiver, positional information-acquiring system, and information input system |
| 05/18/2011 | CN102067469A Sheet structure for communication |
| 05/18/2011 | CN102064891A Anti-string leakage high-accuracy time delay estimation method |
| 05/11/2011 | CN102053244A Portable deck unit |
| 05/05/2011 | WO2011050946A2 Assembly of apparatuses for implementing data transmission via the human body |
| 05/05/2011 | CA2777731A1 Assembly of apparatuses for implementing data transmission via the human body |
| 05/04/2011 | EP2316045A2 Communication system for survey source and receiver |
| 05/04/2011 | EP1784123B1 Providing digital data communications over a wireless intra-body network |
| 05/04/2011 | CN102047589A Information terminal equipment |
| 04/27/2011 | EP2313002A2 Ingestible event marker data framework |
| 04/27/2011 | CN102035728A Time division multiplex protocol method applicable to underwater sound communication network |
| 04/27/2011 | CN102034480A Communication method of underwater digital voice |
| 04/20/2011 | EP2312772A1 Transceiver and communication system including the same |
| 04/20/2011 | CN102025424A Vector sensor-based orthogonal frequency division multiplexing (OFDM) underwater sound communication method |
| 04/20/2011 | CN102025423A Passive time reversal underwater sound communication method suitable for mobile platform |
| 04/14/2011 | WO2011043305A1 Communication sheet structure and information management system |
| 04/14/2011 | WO2011043245A1 Data communication system |
| 04/14/2011 | WO2011008008A3 Communication method and apparatus in wireless body area network |
| 04/13/2011 | CN102017474A Method for selecting adaptive frequency baseband of walsh codes, adaptive frequency-selective spreader using the same and transmitting and receiving apparatus using the adaptive frequency-selective spreader |
| 04/13/2011 | CN102014472A Network life time prolonging method for underwater wireless sensor network |
| 04/12/2011 | US7922084 System, apparatus, method and computer program for processing information |
| 04/07/2011 | WO2011040463A1 Low dielectric sheet for 2-d communication, production method therefor, and sheet structure for communication |
| 04/06/2011 | EP2304693A1 Access control method and access control system |
| 04/06/2011 | CN102006123A Method for prolonging service life of three-dimensional underwater sensor network by moving underwater self-moving device |
| 04/05/2011 | CA2450023C Network and method for connecting antennas to base stations in a wireless communication network using space diversity |
| 03/31/2011 | US20110076940 Underwater wireless communications hotspot |
| 03/30/2011 | CN101997616A Vector array MIMO-based high-speed underwater sound communication method |
| 03/24/2011 | WO2011033593A1 Communication apparatus |
| 03/24/2011 | WO2011033430A1 Asynchronous transmission with double wake up |
| 03/23/2011 | CN101989883A Multi-parameter joint estimation method of underwater sound agile signal |
| 03/23/2011 | CN101989881A Human body sound transmission system and method for transmitting a plurality of signals |
| 03/17/2011 | WO2011031815A2 Oceanic communications system |
| 03/17/2011 | US20110064151 Dispersion control in underwater electromagnetic communications systems |
| 03/17/2011 | CA2808150A1 Oceanic communications system |
| 03/16/2011 | EP2294730A1 Device for propagation of electromagnetic waves through water |
| 03/15/2011 | USRE42218 Underwater alert system |
| 03/15/2011 | US7907895 Electric field sensor device, transceiver, positional information obtaining system and information input system |
| 03/10/2011 | WO2011027498A1 Communication system |
| 03/10/2011 | WO2011027497A1 Communication system and communication apparatus |
| 03/10/2011 | US20110058814 Fiber optic observatory link for medium bandwidth data communication |
| 03/09/2011 | EP2293460A1 Sheet structure for communication |
| 03/02/2011 | CN101982944A Method for underwater acoustic sensor network Aloha protocol |
| 02/24/2011 | WO2011021531A1 Input/output device, mobile device, and information displaying device |
| 02/23/2011 | CN101981835A Electronic device for electric-field communication |
| 02/16/2011 | EP2283881A2 Portable infusion pump having capacitive coupling communication and energy harvesting mechanism |
| 02/16/2011 | EP2283596A1 Device and method for transmitting information in solid media |
| 02/16/2011 | CN101977083A Ultra wideband stratum communication system |
| 02/10/2011 | US20110035170 Time-of-Flight Measurement Based on Transfer Function and Simulated Exponential Stimulus |
| 02/10/2011 | US20110032794 Undersea seismic monitoring network |
| 02/09/2011 | EP2282425A1 Communication device and communication method |
| 02/09/2011 | EP2282424A1 Human body sound transmission system and method for transmitting a plurality of signals |
| 02/09/2011 | CN101971532A Modulation and demodulation apparatus using frequency selective baseband and transmission and reception apparatus using the same |
| 02/09/2011 | CN101969348A Portable underwater acoustic communication equipment and method for frogman |
| 02/03/2011 | WO2011013879A1 Method and system for network configuration at wireless body area network |
| 02/03/2011 | WO2010134743A3 Terminal and method for executing function using human body communication |
| 01/26/2011 | CN101960746A Wireless patient monitoring using streaming of medical data with body-coupled communication |
| 01/26/2011 | CN101960745A Skin-based information transfer between mobile devices |
| 01/26/2011 | CN101959277A Multi-underwater robot communication-oriented energy-saving routing method |
| 01/26/2011 | CN101957476A Underwater optical splitter of optical add drop multiplexer and corresponding optical transmission method and system thereof |
| 01/26/2011 | CN101567820B Energy-saving medium access control method in underwater acoustic network |
| 01/25/2011 | US7877059 Underwater communications system comprising relay transceiver |
| 01/20/2011 | WO2011008008A2 Communication method and apparatus in wireless body area network |
| 01/20/2011 | WO2011007311A1 A device and method for transmitting a signal through a body made of dielectric material |
| 01/20/2011 | CA2768288A1 Communication method and apparatus in wireless body area network |
| 01/19/2011 | EP2274844A1 Modulation and demodulation apparatus using frequency selective baseband and transmission and reception apparatus using the same |
| 01/18/2011 | US7873316 Underwater communications system |
| 01/18/2011 | US7873278 Underwater optical communications system and method |
| 01/12/2011 | CN101946431A Electronic apparatus for electric field communication |
| 01/06/2011 | WO2010120116A3 Method for setting a period in a ban |
| 01/05/2011 | EP1378079B1 Communication system for underwater use |
| 12/30/2010 | US20100329687 Surface and Sub-Surface Wave Front Management |
| 12/28/2010 | US7860455 Electronic communications system, apparatus and electrode layout method |
| 12/28/2010 | US7859271 Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media |