| Patents for H04B 10 - Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication (73,125) |
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| 01/09/2013 | CN102216822B Passive optical splitter and passive optical network system |
| 01/09/2013 | CN102045650B Station-bunched ultrahigh-mobility wide-band communication system and quick handover method thereof |
| 01/09/2013 | CN101626271B Method for calculating occurrence positions of pre-warning events in external safety pre-warning and positioning system of photoelectric composite cables |
| 01/09/2013 | CN101540637B Method and system for positioning network fault |
| 01/09/2013 | CN101442362B Method and apparatus for measuring optical power |
| 01/09/2013 | CN101304288B Optical line capable of distributing effective wideband in passive optical network |
| 01/08/2013 | US8351800 Optical receiver and clock generation method |
| 01/08/2013 | US8351799 Multiscale sampling for wide dynamic range electro-optic receivers |
| 01/08/2013 | US8351798 Phase shift keyed high speed signaling |
| 01/08/2013 | US8351797 Repeater and repeating method |
| 01/08/2013 | US8351796 Optical low-noise block downconverter, multiple dwelling unit, and related satellite television system |
| 01/08/2013 | US8351795 Optical transmission system and optical transmission method |
| 01/08/2013 | US8351793 Free space optical communication with optical film |
| 01/08/2013 | US8351792 System and communication method for interconnecting optical network and radio communication network |
| 01/08/2013 | US8351790 Optical OADM transmission system with loopback |
| 01/08/2013 | US8351783 Apparatus and method for measuring chromatic dispersion |
| 01/08/2013 | US8351782 Polarity inversion detection for an optical circuit switch |
| 01/08/2013 | US8351321 Systems and method for orthogonal frequency divisional multiplexing |
| 01/08/2013 | US8351204 Modular data processing components and systems |
| 01/08/2013 | US8350206 Transimpedance amplifier circuit for converting an input current to an output voltage such circuits used for the evalutation of output signals of photo detectors, which are generating a current that is proportional to the intensity of received light |
| 01/08/2013 | CA2478869C Optical cross-connector containing a multi-stage clos network in which a single-stage matrix comprises one stage of the clos network |
| 01/08/2013 | CA2455284C Underwater optical communications system and method |
| 01/03/2013 | WO2013001408A1 Methods for encoding and decoding coded light |
| 01/03/2013 | WO2013000779A1 Method of demodulating a phase modulated optical signal |
| 01/03/2013 | WO2013000771A1 Method of flexibly processing data for optical networks |
| 01/03/2013 | WO2013000770A1 Optical line terminal transmitting device for next generation optical access networks |
| 01/03/2013 | WO2013000746A1 Method of processing data for optical networks and transmitter for optical networks |
| 01/03/2013 | WO2013000251A1 Method and system for waking up relay node |
| 01/03/2013 | US20130004185 Optical repeater and signal relay method thereof |
| 01/03/2013 | US20130004184 Apparatus for visible light communication providing intuitive information and method using the same |
| 01/03/2013 | US20130004183 Apparatus for visible light communication providing intuitive information and method using the same |
| 01/03/2013 | US20130004182 Visible light communication apparatus capable of minute dimming control and method using the same |
| 01/03/2013 | US20130004180 Digital radio frequency transceiver system and method |
| 01/03/2013 | US20130004179 Neighborhood node mapping methods and apparatus for ingress mitigation in cable communication systems |
| 01/03/2013 | US20130004178 Method and Device for Learning and Playing Back Electromagnetic Signals |
| 01/03/2013 | US20130004177 Infrared controllable load control switch |
| 01/03/2013 | US20130004171 Optical line terminal for optoelectrically converting a signal and a method therefor |
| 01/03/2013 | US20130004170 OSS Support for Control Plane Technology |
| 01/03/2013 | US20130004165 Automatic wavelength recognition apparatus and method |
| 01/03/2013 | US20130004164 Optical Trasnsport Network Alarms |
| 01/03/2013 | US20130004161 Optical power adjustment method for ethernet passive optical network system, and optical line terminal |
| 01/03/2013 | US20130004160 Methods and arrangements in optical network |
| 01/03/2013 | US20130004158 Channel de-skewing for a coherent optical receiver |
| 01/03/2013 | US20130004157 Optical detector |
| 01/03/2013 | US20130004156 Passive optical network system and method for detecting fault in optical network terminal |
| 01/03/2013 | US20130004155 Method of Providing End-to End Connection in a Unified Optical and Coaxial Network |
| 01/03/2013 | US20130004154 Distance measurement |
| 01/02/2013 | EP2541810A1 Method of demodulating a phase modulated optical signal |
| 01/02/2013 | EP2541809A1 Method and system for reducing the modal delay in a multimode transmission system |
| 01/02/2013 | EP2541808A1 Remote node and network architecture and data transmission method for a fiber-optic network, especially for low bit-rate data transmission |
| 01/02/2013 | EP2541807A1 Method of estimating a reflection profile of an optical transmission channel |
| 01/02/2013 | EP2541806A1 Optical transmitter |
| 01/02/2013 | EP2541805A1 Optical transmitter |
| 01/02/2013 | EP2541804A1 Method and device for protecting traffic in an optical network |
| 01/02/2013 | EP2541307A1 Optical frequency comb generating device and optical pulse generating device using same, and optical frequency comb generating method and optical pulse generating method using same |
| 01/02/2013 | EP2540015A1 Signal recovery system |
| 01/02/2013 | EP2540014A2 Subchannel security at the optical layer |
| 01/02/2013 | EP2540013A1 Optical monitoring in a communications network element |
| 01/02/2013 | EP2540012A1 System and method for a subscriber powered network element |
| 01/02/2013 | CN202652540U System for connecting cellular wireless network, and incoming terminals and covering terminals thereof |
| 01/02/2013 | CN202652248U Multi-port switch |
| 01/02/2013 | CN202652227U Bidirectional fiber optical transceiver and bidirectional fiber optical transceiver chip |
| 01/02/2013 | CN202652226U Light transmission system of digital array radar |
| 01/02/2013 | CN202652225U Passive optical network (PON)-based data transmission system for land wind power plant |
| 01/02/2013 | CN202652224U Communication system and portable device used for visible light communication |
| 01/02/2013 | CN202652223U Wireless ultraviolet light voice communication device based on serial port |
| 01/02/2013 | CN202652222U Optical fiber on-line monitoring device |
| 01/02/2013 | CN202652221U Maintenance testing terminal used for fiber access network |
| 01/02/2013 | CN202649536U Photoelectric emission module |
| 01/02/2013 | CN202649504U Optical fibre identifier |
| 01/02/2013 | CN202647238U LED (Light Emitting Diode) light source module for visible-light communication |
| 01/02/2013 | CN1937458B Apparatus and method for characterizing pulsed optical signals |
| 01/02/2013 | CN102859955A Method and arrangement for signal processing communication system |
| 01/02/2013 | CN102859909A System and method for a subscriber powered network element |
| 01/02/2013 | CN102859908A Phase skew compensation at a coherent optical receiver |
| 01/02/2013 | CN102859907A Power adjustment of in-phase and quadrature components at a coherent optical receiver |
| 01/02/2013 | CN102859906A Passive optical networks |
| 01/02/2013 | CN102857301A Optical power control method and optical amplifier using optical power control method |
| 01/02/2013 | CN102857300A Microwave optical fiber link device for long-distance transmission of radar reference frequency signals |
| 01/02/2013 | CN102857299A Optical communication system and method |
| 01/02/2013 | CN102857298A Circuit and method for monitoring power parameter in optical module |
| 01/02/2013 | CN102857297A 信号路径控制装置 Signal path control device |
| 01/02/2013 | CN102857294A Method and device for suppressing signal fading in laser communication from ground to GEO (geosynchronous) satellite |
| 01/02/2013 | CN102857208A High-speed bidirectional communication isolating circuit based on dual optocouplers |
| 01/02/2013 | CN102856324A Silicon-based uniwafer photoelectricity integrated receiving chip for plastic optical fiber communication |
| 01/02/2013 | CN102855155A Automatic programming and functional test all-in-one machine for light-radio frequency transceiving module |
| 01/02/2013 | CN102854582A Optical transmitting assembly, optical transceiver and manufacturing and applying method |
| 01/02/2013 | CN102204037B Self injection laser, wave division multiplexing passive optical network system and optical line terminal |
| 01/02/2013 | CN101884118B Photoelectric conversion module |
| 01/02/2013 | CN101873172B Millimeter wave generating device based on optic-fiber ring resonator and method thereof |
| 01/02/2013 | CN101827289B Method for acquiring wavelength values by remote equipment in wavelength division multiplex-Ethernet passive optical network (WDM-EPON) passive optical network system |
| 01/02/2013 | CN101820558B Method for detecting long luminance ONU in passive optical network |
| 01/02/2013 | CN101800594B Optical channel protection configuring method and system |
| 01/02/2013 | CN101764646B Wavelength-encoding optical time domain reflection test device and measurement method thereof |
| 01/02/2013 | CN101686097B Optical pulse time spreading apparatus and optical multiplex transmitting system with multiplexed channels and s/n ratio increased |
| 01/02/2013 | CN101651034B Non-contact connector |
| 01/02/2013 | CN101615969B De-multiplexing system of wavelength division multiplexing network |
| 01/02/2013 | CN101536371B Receiver for a modulated light signal and method for receiving a modulated light signal |
| 01/02/2013 | CN101444019B Optical bus |
| 01/02/2013 | CN101309116B Optical transmitter system and method |