| 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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| 02/28/2013 | US20130051792 Systems and methods for detecting line flapping in optical networks |
| 02/28/2013 | US20130051790 Coherent optical receiver, apparatus and method for detecting interchannel skew in coherent optical receiver |
| 02/28/2013 | US20130051789 Monitoring Circuitry For Optical Transceivers |
| 02/28/2013 | US20130051788 Path discovery in a communications network |
| 02/28/2013 | DE112010005415T5 Sender zur Kommunikation mit sichtbarem Licht und System zur Kommunikation mit sichtbarem Licht Transmitter for communication with visible light and system for communication with visible light |
| 02/28/2013 | DE112010003732T5 Hybrider Supraleiter/Optischer Quantenrepeater Hybrid superconductor / Optical quantum repeater |
| 02/27/2013 | EP2562947A1 Method, apparatus and system for passive optical network communication |
| 02/27/2013 | EP2562946A1 Node device |
| 02/27/2013 | EP2562945A1 Short-Term Optical Recovery Systems and Methods for Coherent Optical Receivers |
| 02/27/2013 | EP2562944A1 Optical communication system |
| 02/27/2013 | EP2180614B1 Optical line terminal, passive optical network and radio frequency signal transmission method |
| 02/27/2013 | CN202759510U Method for connecting two digital program-control telephone switches together by utilizing optical fiber modems |
| 02/27/2013 | CN202759481U Light splitting mirroring system |
| 02/27/2013 | CN202759452U 10G detector for analog communication optical transmission |
| 02/27/2013 | CN202758108U XFP optical module and optical communication system possessing optical module thereof |
| 02/27/2013 | CN102948093A Apparatus for power equalisation and phase correction |
| 02/27/2013 | CN102948092A Hybrid cabling system and network for in-building wireless applications |
| 02/27/2013 | CN102946574A Optical module integrated set, passive optical network system and optical module sharing method |
| 02/27/2013 | CN102946312A Light source generator used for decoy-state quantum private communication |
| 02/27/2013 | CN102946283A Comb spectrum generation device and method based on double spectrum line cyclic frequency shift mode |
| 02/27/2013 | CN102946282A Optical transmission system, optical receiving-transmitting unit and coincidence frequency adjustment method of optical transmission system |
| 02/27/2013 | CN102946281A Method and device for controlling signal power |
| 02/27/2013 | CN102946280A Method and device for configuring repeaters for whole wavelength division network |
| 02/27/2013 | CN102946279A Radio signal based grounding access method of OPPC (Opticalphase Conductor) |
| 02/27/2013 | CN102946278A Method for improving threshold of stimulated Brillouin scattering |
| 02/27/2013 | CN102946277A Grounding access device of OPPC (Opticalphase Conductor) |
| 02/27/2013 | CN102946276A Special optical fiber hub for railway |
| 02/27/2013 | CN102946275A Method and device for monitoring OSNR (optical signal to noise ratio) in high-speed DWDM (dense wavelength division multiplexing) system |
| 02/27/2013 | CN102946274A Method for detecting optical fiber channel router |
| 02/27/2013 | CN102946273A Fault detection method for optical fiber links of passive optical networks |
| 02/27/2013 | CN102946272A Separated type optical testing device based on commonly-used mobile intelligent terminal |
| 02/27/2013 | CN102946271A Method and device for reducing noise in OTDR testing curve |
| 02/27/2013 | CN102946270A Optical fiber network test method of an optical frequency domain reflectometer |
| 02/27/2013 | CN102945819A Automatic material handling system |
| 02/27/2013 | CN102944921A Optical transceiving assembly capable of being rapidly connected with optical fiber |
| 02/27/2013 | CN102944917A Light-splitting light-integrating device, production method thereof and erbium-doped optical fiber amplifier |
| 02/27/2013 | CN101938312B Double-fibre passive bus type optical network structure |
| 02/27/2013 | CN101883293B Method and device for realizing K optimal path algorithm under condition of multiple sides among neighboring nodes |
| 02/27/2013 | CN101873167B Point-to-multipoint laser communication device based on diverse combined rotary paraboloid surface structure |
| 02/27/2013 | CN101800913B Realization method for protecting and restoring multiplex section of automatically switched optical network |
| 02/27/2013 | CN101753412B Method and device for dynamically treating bandwidth |
| 02/27/2013 | CN101753251B Optical signal depolarization method, device and system |
| 02/27/2013 | CN101442376B Optical transmission system and optical node |
| 02/27/2013 | CN101399599B Digital remote system and time delay calibrating method for optical fiber |
| 02/27/2013 | CN101107834B Communication device, communication system, communication method, communication program, and communication circuit |
| 02/27/2013 | CN101080884B Assessing a network |
| 02/26/2013 | US8385752 Laser diode driver with back terminator and optical transmitter providing the same |
| 02/26/2013 | US8385751 Optical transmitter adaptation to network topology |
| 02/26/2013 | US8385750 Optical transmission device |
| 02/26/2013 | US8385749 High speed optical transmitter with directly modulated laser source |
| 02/26/2013 | US8385748 Printed circuit board and optical transmission device |
| 02/26/2013 | US8385747 Signal equalizer in a coherent receiver |
| 02/26/2013 | US8385746 Optical interface device, and abnormality monitoring method for input frequency deviation |
| 02/26/2013 | US8385745 Method and apparatus for transmitting/receiving signals in a microwave system |
| 02/26/2013 | US8385743 Channel allocation method for multi-channel optical transmission and optical transmission system utilizing the method |
| 02/26/2013 | US8385741 Optical pulse generating device and optical signal processing device |
| 02/26/2013 | US8385740 Arbitration scheme for an optical bus |
| 02/26/2013 | US8385739 Encoding of wavelength converter systems |
| 02/26/2013 | US8385738 Method and apparatus for routing data-carrying optical signals |
| 02/21/2013 | WO2013025630A1 Embedded optical time domain reflectometer for optically amplified links |
| 02/21/2013 | WO2013024285A1 Pulse processing |
| 02/21/2013 | WO2013006862A3 Systems and methods for extending optical network services across non-optical channels |
| 02/21/2013 | WO2012162043A3 Optical pumping and powering in spatially multiplexed transmission links |
| 02/21/2013 | WO2012103841A3 Data processing method, optical receiver, and optical network system |
| 02/21/2013 | WO2012103838A3 Optical fiber testing method, apparatus and passive optical network system |
| 02/21/2013 | WO2012103819A3 Single-fiber bi-directional optical module and passive optical network system |
| 02/21/2013 | US20130045698 Es/No Based Carrier-in-Carrier RF Power Control |
| 02/21/2013 | US20130045016 Signal Recovery System |
| 02/21/2013 | US20130045015 Method and arrangement for signal processing in a communication system |
| 02/21/2013 | US20130045014 Method and apparatus for testing using a transceiver module |
| 02/21/2013 | US20130045013 Method for performing network functions, telecommunication's access network, central unit, network-sided network termination unit, and subscriber-sided network access unit |
| 02/21/2013 | US20130045011 Method and system for upstream bandwidth allocation in a passive optical network |
| 02/21/2013 | US20130045010 Communication line switching method, communication apparatus, station-side communication apparatus, communication system, and control unit |
| 02/21/2013 | US20130045008 Electric Field Measuring Apparatus |
| 02/21/2013 | US20130045007 Multi-wavelength light amplifier |
| 02/21/2013 | US20130045006 Method and a network node for improving bandwidth efficiency in an optical network |
| 02/21/2013 | US20130045005 Communication method for optical communication system, optical communication system, slave station apparatus, control device, and computer program |
| 02/21/2013 | US20130045004 Histogram-Based Chromatic Dispersion Estimation |
| 02/21/2013 | US20130045003 Detecting the presence of stimulated brillouin scattering in a fiber of a communication system |
| 02/21/2013 | US20130044368 Long Reach Optical Amplification Device, Passive Optical Network, and Method for Transmitting Optical Signals |
| 02/21/2013 | US20130044366 Method and apparatus for controlling bias point of differential quadrature phase shift keying demodulator |
| 02/20/2013 | EP2560334A2 Optical signal modulation |
| 02/20/2013 | EP2560302A1 Method and device for passive optical network extending |
| 02/20/2013 | EP2560301A1 Crossing capacity processing method for optical transport network (otn) equipment and otn equipment |
| 02/20/2013 | EP2560252A1 Optical amplifier |
| 02/20/2013 | EP2559173A1 Method and device for transmission and reception of a polarization multiplexed optical signal |
| 02/20/2013 | EP2559172A1 Electronic nonlinearity compensation for optical transmission systems |
| 02/20/2013 | EP2559171A1 Electrically-adaptive dspk and (d)mpsk receivers |
| 02/20/2013 | CN202750095U Optical receiver |
| 02/20/2013 | CN202750093U System for recognizing lamp ID information by LED (light-emitting diode) white light |
| 02/20/2013 | CN202750092U Integrated optical cable monitoring device |
| 02/20/2013 | CN202748845U Road side unit, dedicated short range communication system, and vehicle monitoring system |
| 02/20/2013 | CN202748504U Light reception device |
| 02/20/2013 | CN102938674A Power consumption reducing method of ONU (Optical Network Unit) terminal equipment in EPON (Ethernet Passive Optical Network) system |
| 02/20/2013 | CN102938673A High-speed wireless optical communication system |
| 02/20/2013 | CN102938672A Laboratory simulation method of atmospheric influence on wireless laser communication |
| 02/20/2013 | CN102938671A Terminal device and long luminescence detection circuit thereof |
| 02/20/2013 | CN102937734A Optical network unit three-direction optical assembly with optical time domain signal reflection function |
| 02/20/2013 | CN101983326B Optical fibre circuit monitoring system and monitoring device included in this system |
| 02/20/2013 | CN101860398B Light beam path monitoring device and light beam path monitoring method |