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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10/27/2009 | US7609979 Coherent optical detection and signal processing method and system |
10/27/2009 | US7609978 Interferometric polarization control |
10/27/2009 | US7609977 Optical transmission using semiconductor optical amplifier (SOA) |
10/27/2009 | US7609976 Method and system for ultra-high bit rate fiber-optic communications |
10/27/2009 | US7609975 Optical transmission apparatus |
10/27/2009 | US7609974 Data transmission method and a system thereof |
10/27/2009 | US7609973 Electro-optical communication system |
10/27/2009 | US7609972 Acquisition, pointing, and tracking architecture for laser communication |
10/27/2009 | US7609971 Electro optical scanning multi-function antenna |
10/27/2009 | US7609970 Add/drop node for an optical communications network |
10/27/2009 | US7609966 Method and system for time-sharing transmission frequencies in an optical network |
10/27/2009 | US7609964 Power level management in optical networks |
10/27/2009 | US7609382 System and method of detecting entangled photons |
10/27/2009 | CA2514993C Method and apparatus for testing network data signals in a wavelength division multiplexed optical network |
10/27/2009 | CA2418923C A node, an optical/electrical path integrated network using the node, and a program which controls the node |
10/22/2009 | WO2009128274A1 Intercom system, portable talking device, and led illuminating device |
10/22/2009 | WO2009128113A1 Optical signal regenerating apparatus |
10/22/2009 | WO2009128059A1 Technique for detection of optical data signals |
10/22/2009 | WO2009127843A1 Terahertz signal generator |
10/22/2009 | WO2009127695A1 Method for cable testing with insertion of directional coupling device |
10/22/2009 | WO2009127177A2 Method and device for processing terahertz waves |
10/22/2009 | US20090263144 Linearized Phase Modulated Analog Optical Links |
10/22/2009 | US20090263143 Optical communication integration |
10/22/2009 | US20090263142 Tunable optical filter |
10/22/2009 | US20090263141 Dual use of test point power monitor |
10/22/2009 | US20090263140 Optical communication module and flexible printed circuit board |
10/22/2009 | US20090263139 Method and apparatus for increasing voice service for an optical network terminal (ONT) |
10/22/2009 | US20090263138 Free-space optical communication system |
10/22/2009 | US20090263137 Photonic rf down-converter based on optomechanical oscillation |
10/22/2009 | US20090263132 Method of introducing an outstation into an optical network and outstation therefor |
10/22/2009 | US20090263127 Methods and devices for reducing power consumption in a passive optical network while maintaining service continuity |
10/22/2009 | US20090263126 Monitoring the physical layer of optoelectronic modules |
10/22/2009 | US20090263125 Light mark, method and device for light mark modulation and demodulation |
10/22/2009 | US20090263124 Methods of protection sharing for multi-protected optical demands in large-scale wdm mesh networks |
10/22/2009 | US20090263123 Fiber network monitoring |
10/22/2009 | US20090263122 Method and apparatus for network diagnostics in a passive optical network |
10/22/2009 | US20090262415 System and method for uniform illumination of a target area |
10/22/2009 | US20090261955 Intelligent bail |
10/22/2009 | DE102008019010A1 Verfahren und Vorrichtung zur Verarbeitung von Terahertz-Wellen Method and apparatus for processing of terahertz waves |
10/21/2009 | EP2110972A1 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them |
10/21/2009 | EP2110971A1 Method for atmospheric optical free space transfer of digital signals and recipients for the method |
10/21/2009 | EP2110970A1 Method for monitoring an optical data transmission line, optical data transmitter, optical data receiver, and optical data station |
10/21/2009 | EP2018689B1 Variable gain optical amplifiers |
10/21/2009 | EP1780911B1 Method and device for signal transporting |
10/21/2009 | CN201332400Y Demultiplexer system based on D toggle circuit |
10/21/2009 | CN201332398Y USB adapter based on optical fiber |
10/21/2009 | CN201332397Y Network management fiber transceiver system |
10/21/2009 | CN101563893A Optical communication system, its optical communication method, and communication device |
10/21/2009 | CN101563868A Optical signal processing method and device, associated central equipment and access network |
10/21/2009 | CN101563867A Apparatus and method for OLT and ONU for wavelength agnostic wavelength-division multiplexed passive optical networks |
10/21/2009 | CN101563865A Optical transmission using semiconductor optical amplifier (SOA) |
10/21/2009 | CN101563843A Optical receiver |
10/21/2009 | CN101562909A Integrated transmission repeater and working method thereof |
10/21/2009 | CN101562760A Methods and devices for reducing power consumption in a passive optical network while maintaining service continuity |
10/21/2009 | CN101562493A Wavelength-division ring video optical transmitter and receiver |
10/21/2009 | CN101562492A Optical code division multiplex communication module, optical code division multiplex communication system, and communication method |
10/21/2009 | CN101562483A Processes and systems involving optical phase conjugators |
10/21/2009 | CN101562482A Fiber wireless communication system and method for generating downlink multi-service millimeter wave |
10/21/2009 | CN101562481A Millimeter wave subcarrier light pulse signal generator based on cascade all-pass filter |
10/21/2009 | CN101562480A Optical access network, and method, system and apparatus for backuping optical line terminal |
10/21/2009 | CN101562446A Novel infrared remote control power switch |
10/21/2009 | CN101561968A 通信系统 Communication System |
10/21/2009 | CN101561560A Polarizing beam-splitting birefringence space light bridge |
10/21/2009 | CN101561554A Phase-controllable birefringence space light bridge |
10/21/2009 | CN100553182C Apparatus and method for tracking optical wavelength in WDM passive optical network |
10/21/2009 | CN100553178C Multi-mode-single mode optical network full optical fiber interconnecting method and interconnector for realizing the same method |
10/21/2009 | CN100552483C Two-dimensional encoder-decoder manufacture method based on sampling grating |
10/21/2009 | CN100552482C Integral dispersion compensation and adjustable attenuator based on triangular optical fiber grating |
10/20/2009 | US7606504 Optical receiver and optical receiving method corresponding to differential M-phase shift keying system |
10/20/2009 | US7606503 Pulse signal demodulation device |
10/20/2009 | US7606502 Second order predistortion circuit |
10/20/2009 | US7606501 System and method for generating optical return-to-zero signals with alternating bi-phase shift and frequency chirp |
10/20/2009 | US7606500 Scalable transceiver based repeater |
10/20/2009 | US7606499 Bidirectional transceiver assembly for POF application |
10/20/2009 | US7606498 Carrier recovery in a coherent optical receiver |
10/20/2009 | US7606496 Communications and position location system and method |
10/20/2009 | US7606492 System and method for communicating optical signals upstream and downstream between a data service provider and subscribers |
10/20/2009 | US7606491 ONU management method and optical line termination |
10/20/2009 | US7606488 Wavelength-division-multiplexing optical transmission system and control method thereof |
10/20/2009 | US7606487 Distortion measurement in optical communication systems |
10/20/2009 | US7606486 Protocol specific transceiver firmware |
10/20/2009 | US7606451 Optical communication system, optical reader, and method of reading information |
10/20/2009 | US7605974 Method and apparatus for PPM demodulation using a semiconductor optical amplifier |
10/20/2009 | US7605842 Vehicular optical communications system |
10/20/2009 | CA2339345C Optical communications system and method of protecting an optical route |
10/20/2009 | CA2279712C An optical filter for use in or with an optical amplifier |
10/15/2009 | WO2009126506A2 Erbium and erbium/ytterbium cladding pumped hybrid optical amplifier |
10/15/2009 | WO2009125442A1 Method and apparatus for reducing the amplitude modulation of optical signals in external cavity lasers |
10/15/2009 | WO2009124961A1 Method and device for phase recovery and communication system comprising such device |
10/15/2009 | WO2009124861A1 Modulation scheme with increased number of states of polarization |
10/15/2009 | WO2009124588A1 Improvements in or relating to optical networks |
10/15/2009 | WO2009124484A1 A method, system and device for transmitting data in optical network |
10/15/2009 | WO2009124476A1 Method and apparatus for extending the number of optical network units in a passive optical network |
10/15/2009 | WO2009124471A1 Methods and systems for optical communication |
10/15/2009 | WO2009124376A1 Soft thermal failure in a high capacity transmission system |
10/15/2009 | WO2009021015A3 Highly collimated and temporally variable x-ray beams |
10/15/2009 | US20090257758 Optical receiving apparatus |
10/15/2009 | US20090257757 Signal identification in optical communications networks |
10/15/2009 | US20090257756 Optical receiver and optical phase control method thereof |
10/15/2009 | US20090257755 Modulation scheme with increased number of states of polarization |