| 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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| 01/01/2014 | CN103490811A Maintenance test terminal used for enabling optical fiber to have access to network |
| 01/01/2014 | CN103490810A Wavelength conversion range limited 2-hop-segment-based dynamic optical multicast P-ring segment protection method |
| 01/01/2014 | CN103488140A On-line touring system of power transmission line |
| 01/01/2014 | CN103488022A Polarization-independent quantum frequency upconversion method |
| 01/01/2014 | CN103487899A Single-fiber bi-directional light receiving and emitting device |
| 01/01/2014 | CN103487886A Multifunctional attenuator based on LAN-WDM wave band |
| 01/01/2014 | CN103486857A PLC sintering machine control system based on optical fiber ring network |
| 01/01/2014 | CN102564573B Multi-wavelength laser power time division measurement method |
| 01/01/2014 | CN102308504B Wavelength access method and device |
| 01/01/2014 | CN102255664B Polarization multiplexing communication method and system based on time interleaving return to zero code |
| 01/01/2014 | CN102201868B Method and device for offset control of DPMZ (dual parallel Mach-Zehnder) modulator |
| 01/01/2014 | CN102185814B Method for automatically compensating bias voltage of QPSK (quadri phase shift keying) lithium niobate modulator |
| 01/01/2014 | CN102111686B Method, device and system for detecting faults of branch optical fibers |
| 01/01/2014 | CN102075241B Method and device for dynamically detecting chromatic dispersion |
| 01/01/2014 | CN102035602B Optimal channel coding modulation-based adaptive optical transmission system and method |
| 01/01/2014 | CN101944950B Processing method and device for loading extra service in optical transport network (OTN) |
| 01/01/2014 | CN101826920B Cross-capacity processing method for OTN equipment and OTN equipment |
| 01/01/2014 | CN101807955B I-Q modulation transmitter and method for controlling phase biasing between I-Q paths |
| 01/01/2014 | CN101800602B Bias point control method and device of DQPSK (Differential Quadrature Phase-shift Keying) demodulator |
| 12/31/2013 | US8620166 Holevo capacity achieving joint detection receiver |
| 12/31/2013 | US8620165 Transmitter, receiver for visible light communication and method using the same |
| 12/31/2013 | US8620164 Hybrid III-V silicon laser formed by direct bonding |
| 12/31/2013 | US8620163 Systems and methods for optically communicating small data packets to mobile devices |
| 12/31/2013 | US8620162 Handheld electronic device with integrated transmitters |
| 12/31/2013 | US8620161 Wavelength multiplexing unit and wavelength multiplexing method of wavelength multiplexing optical transmission system |
| 12/31/2013 | US8620160 Optical transmission apparatus |
| 12/31/2013 | US8620159 Modulation in an optical network |
| 12/31/2013 | US8620156 Method and apparatus for performing an automatic power adjustment for an optical signal |
| 12/31/2013 | US8620154 Methods and apparatus for fast and energy-efficient light recovery in a visible light communication (VLC) system |
| 12/31/2013 | US8619807 High-capacity packet-switched ring network |
| 12/31/2013 | US8619591 Transmission method and assembling method for physical layer operations, administration and maintenance (PLOAM) message in a passive optical network |
| 12/31/2013 | US8619590 Method for transmitting OAM message and processing error in PON system |
| 12/31/2013 | CA2492810C Multi-stage raman amplifier |
| 12/27/2013 | WO2013192011A2 Software-defined optical network |
| 12/27/2013 | WO2013191844A1 Method and apparatus for providing a non-overlapping ring-mesh network topology |
| 12/27/2013 | WO2013190804A1 Light-monitoring circuit and light-monitoring method |
| 12/27/2013 | WO2013190410A1 Hybrid rf – optical link for mobile communication devices |
| 12/27/2013 | WO2013190376A1 Optical transmitter |
| 12/27/2013 | WO2013190244A1 Reflective lighting device intended for a wdm-pon optical access network including a light source having an optical gain medium |
| 12/27/2013 | WO2013189423A2 Optical transceiving device and method |
| 12/27/2013 | WO2013189381A2 Link detection method and device for passive optical network |
| 12/27/2013 | WO2013189321A1 Tuning method, system and device for wavelength in passive optical network |
| 12/27/2013 | WO2013189042A1 Devices and methods for flow control of messages in an passive optical network (pon) and methods therein |
| 12/27/2013 | WO2013188962A1 Enclosure with integrated terahertz photoconductive antenna and terahertz lens |
| 12/26/2013 | US20130347112 Method for a fine optical line monitoring in communication lines through qkd systems |
| 12/26/2013 | US20130343769 Optical receiver |
| 12/26/2013 | US20130343768 Inter-vehicle communication apparatus and method using visible light communication |
| 12/26/2013 | US20130343767 Optical transmitter |
| 12/26/2013 | US20130343766 Optical communication system and method |
| 12/26/2013 | US20130343765 Optical network system and method |
| 12/26/2013 | US20130343764 Physical layer management for an active optical module |
| 12/26/2013 | US20130343763 Device for use on the location of a customer of a broadband network system, broadband network system using such a device and method for constructing such a device |
| 12/26/2013 | US20130343762 Content supplying system which uses spatial light transmission |
| 12/26/2013 | US20130343761 Access Equipment that Runs Ethernet Passive Optical Network (PON) or Ethernet PON Over Coax Network |
| 12/26/2013 | US20130343759 Repeater fiber-coax units |
| 12/26/2013 | US20130343757 Optical Path Switching |
| 12/26/2013 | US20130343751 Optical Receiver with a Wide Power Sensitivity Dynamic Range |
| 12/26/2013 | US20130343749 Wavelength dispersion amount estimation method, wavelength dispersion compensation circuit, and reception device |
| 12/26/2013 | US20130343748 Apparatus and method for monitoring optical signal transmission in optical fibers |
| 12/26/2013 | US20130343746 Signal Reflection Apparatus for Testing Optical Feedback |
| 12/26/2013 | US20130343745 Optical Coupler Testing System |
| 12/25/2013 | EP2677674A1 A device for stabilising the optical-path length |
| 12/25/2013 | EP2677673A1 Signal processing circuit, signal processing method, optical receiver and optical communication system |
| 12/25/2013 | EP2676392A1 Optical converter with adc based channelizer for optical lnb system |
| 12/25/2013 | EP2676385A1 Processing data in an optical network element |
| 12/25/2013 | EP2676384A1 Characterization of non-ase noise on optical signals |
| 12/25/2013 | EP2385637B1 Methods and devices for modulating a signal |
| 12/25/2013 | CN203368674U Long-distance multi-point community emergency call intercom system |
| 12/25/2013 | CN203368673U Community emergency call intercom system applying industrial personal computer |
| 12/25/2013 | CN203368614U Device capable of carrying out remote transmission on mixed signals simultaneously through single optical fiber |
| 12/25/2013 | CN203368503U Four-channel optical fiber standard frequency module based on Ethernet bus realizable soft and hard cross switching |
| 12/25/2013 | CN203368495U Quantum key distribution system based on time slot interleaving active polarization compensation |
| 12/25/2013 | CN203368488U Modulated laser emitter |
| 12/25/2013 | CN203368487U Tunnel TD-LTE optical fiber distribution type covering system |
| 12/25/2013 | CN203368486U Single fiber one-way data transmission device |
| 12/25/2013 | CN203368485U Short-wave four-channel photoelectric conversion interface unit |
| 12/25/2013 | CN203368484U Optical bypass switch module group and on-line equipment cooperating with the same |
| 12/25/2013 | CN203368483U Intelligent optical marker, optical splitter and PON network monitoring system |
| 12/25/2013 | CN203368482U Infrared communication module detection system |
| 12/25/2013 | CN203368481U 2M circuit system for monitoring optical transmission equipment |
| 12/25/2013 | CN203368480U Optical switching pressing plate and intelligent substation communication network system |
| 12/25/2013 | CN203366415U Authentication system based on visible light communication |
| 12/25/2013 | CN1901417B Optical fiber systems for delivering very short duration high power pulses |
| 12/25/2013 | CN103477581A Secure data transmission using spatial multiplexing |
| 12/25/2013 | CN103477575A Detection device, light receiving device, detection method, and light receiving method |
| 12/25/2013 | CN103475955A Hybrid TWDM-PON system of downlink DPSK modulation and uplink direct modulation |
| 12/25/2013 | CN103475618A Method for synchronizing visible light communication system frames based on OFDM |
| 12/25/2013 | CN103475611A Autocorrelation transmission method, device and system |
| 12/25/2013 | CN103475425A Single photon source based on Faraday-Sagnac loop and realization method thereof |
| 12/25/2013 | CN103475424A Novel multi-soliton realizing method |
| 12/25/2013 | CN103475423A Optical module transmission circuit transmitting HDTV signals |
| 12/25/2013 | CN103475422A Optical module transmission circuit transmitting HDTV signals |
| 12/25/2013 | CN103475421A SFF2X10 optical transceiver module |
| 12/25/2013 | CN103475420A Optical fiber network signal gating amplification device |
| 12/25/2013 | CN103475419A Optical fiber communication system used for power transmission line online patrol |
| 12/25/2013 | CN103475418A Wireless-coverage active light distribution system and working method thereof |
| 12/25/2013 | CN103475417A High-speed direct-detection light OFDM system and method based on self-polarization diversity |
| 12/25/2013 | CN103475416A Central station, and method and system for downlink signal processing based on millimeter wave communication |
| 12/25/2013 | CN103475415A Method for transmitting optical module low-speed signals |
| 12/25/2013 | CN103475414A Optical fiber network data card allowing remote controlling |