Patents
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)
10/2013
10/05/2013CA2809879A1 Apparatus for transmitting high speed data via a cable
10/03/2013WO2013147655A1 An arrangement at a remote node, a remote node, a central office and respective methods therein for supervision of a wavelength division multiplexed passive optical network
10/03/2013WO2013146968A1 Optical 90 degree hybrid circuit and light receiver using same
10/03/2013WO2013145745A1 Energy conservation method and node device in optical communication system
10/03/2013WO2013143977A1 Method and apparatus for determining power consumption per input/output port of a telecommunications network node
10/03/2013WO2013143976A1 Flexible optimization of the signal-to-noise ratio for ultra dense coherent wdm systems
10/03/2013WO2013143385A1 Calculating time offset
10/03/2013US20130259492 Reducing processing bias in a soft forward error correction (fec) decoder
10/03/2013US20130259490 Processing data in a coherent optical communication system
10/03/2013US20130259488 Reactive metal optical security device and methods of fabrication and use
10/03/2013US20130259487 Digital optical coherent transmission device
10/03/2013US20130259486 Wireless communication device
10/03/2013US20130259485 Distortion compensation circuit including tunable phase path
10/03/2013US20130259483 Receivers and transceivers for optical multibus systems
10/03/2013US20130259482 Optical network unit registration method
10/03/2013US20130259480 Optical transmission apparatus
10/03/2013US20130259479 Optical transceiving apparatus, optical transmitting method, and optical transmitting device
10/03/2013US20130259478 Optical transmitter, optical receiver, and optical transmission method
10/03/2013US20130259471 Method, system, and apparatus for detecting optical power of passive optical network
10/03/2013US20130259470 Method and apparatus for testing optical fiber and passive optical network system
10/03/2013US20130259467 Communications network
10/03/2013US20130259466 Arrangement at a remote node, a remote node, a central office and respective methods therein for supervision of a wavelength division multiplexed passive optical network
10/03/2013US20130259465 Ethernet private local area network systems and methods
10/02/2013EP2645602A1 Processing data in a coherent optical communication system
10/02/2013EP2645601A1 Digital optical coherent transmission device
10/02/2013EP2645600A1 Optical transmission apparatus
10/02/2013EP2645599A1 Flexible Optimization of the Signal-to-Noise Ratio for Ultra Dense Coherent WDM Systems
10/02/2013EP2645570A1 Optical motion sensor
10/02/2013EP2645256A1 Method and apparatus for determining power consumption per input/output port of a telecommunications network node
10/02/2013EP2643947A1 Power distribution module(s) capable of hot connection and/or disconnection for distributed antenna systems, and related power units, components, and methods
10/02/2013EP2506460B1 High symbol rate wavelength division multiplexed system
10/02/2013DE102012102618A1 Optical bus system for switching and control system for controlling e.g. actuator of building management system, has optical transmission and reception unit that is arranged in uncoupling region of optical light conductor element
10/02/2013CN203225850U 一种光模块 An optical module
10/02/2013CN203225771U Low-loss single-stage bandwidth-controllable light receiver
10/02/2013CN203225770U Low-loss double-stage bandwidth-controllable light receiver
10/02/2013CN203225769U Low-power single-stage bandwidth controllable light receiver
10/02/2013CN203225768U High-precision double-stage bandwidth-controlling light receiver
10/02/2013CN203225767U Single-stage bandwidth-controlling light receiver with small output voltage deviation
10/02/2013CN203225766U Low-power consumption double-stage bandwidth-controlling light receiver
10/02/2013CN203225765U High precision single-stage bandwidth-controllable light receiver
10/02/2013CN203225764U Single-stage bandwidth-controllable light receiver with small gain deviation
10/02/2013CN203225763U Double-stage bandwidth-controlling light receiver with small output voltage deviation
10/02/2013CN203225762U Small-gain deviation dual-stage bandwidth control optical receiver
10/02/2013CN203225761U An intelligent optical fiber wiring system using a 3D optical switching matrix
10/02/2013CN203225760U An intelligent optical fiber wiring system using a 2D optical switching matrix
10/02/2013CN203225759U Optical switch
10/02/2013CN203225758U Optical fiber transmission communication card
10/02/2013CN203225757U 集成型光监控器 Integrated optical monitor
10/02/2013CN203225756U Self-adaptive high-precision optical fiber fault point detection apparatus
10/02/2013CN203225747U Interstation safety information transmission means based on optical communication
10/02/2013CN203225586U Power fiber communication information platform
10/02/2013CN103339890A Polarization multiplexing optical receiving device and polarization multiplexing optical receiving method
10/02/2013CN103339884A Optical receiver and method for optical reception
10/02/2013CN103339883A Signal processing circuit, signal processing method, optical receiver and optical communication system
10/02/2013CN103339882A Coherent optical receiver, and inter-channel skew detection device and detection method in coherent optical receiver
10/02/2013CN103339881A Optical transmitter and method of transmitting optical signals
10/02/2013CN103339880A Subscriber-side optical communication device, communication system, control device and power-saving control method
10/02/2013CN103339879A System for signals indoor distribution on optical fiber
10/02/2013CN103339878A Method of optical data transmission using polarization division multiplexing
10/02/2013CN103339877A Method and device for adjusting optical signal power
10/02/2013CN103339876A Optical port connection management method, flange plate, jumping fiber and optical network equipment
10/02/2013CN103338084A ROF-based novel base station feedback receiving and transmit-receive calibrating multiplexing circuit
10/02/2013CN103338079A Underwater wireless acousto-optic communication device and method
10/02/2013CN103338078A Singlechip-controlled double-way light reception high isolation switching circuit
10/02/2013CN103338077A OFDM (Orthogonal Frequency Division Multiplexing)-based variable bandwidth optical network power balance method and system
10/02/2013CN103338076A Optical signal emission device of optical communication system
10/02/2013CN103338075A Optical fiber controllable delayer based on stimulated brillouin scattering
10/02/2013CN103338074A Coding and decoding system and method for optical fiber communication of controllable high-voltage paralleling reactor
10/02/2013CN103338073A Communication module capable of realizing network access by using visible light and communication system
10/02/2013CN103338072A A visible light communication and wireless access method base on the Android system
10/02/2013CN103338071A Mobile terminal near field communication device and method
10/02/2013CN103338070A Reflection function type optical network phototube equipment
10/02/2013CN103338069A Method, equipment and device for measuring branch optical fibers
10/02/2013CN103338068A Light splitting monitoring device based on multi-channel parallel optical signals
10/02/2013CN103338059A Photoelectric hybrid broadcast transmission method and photoelectric hybrid broadcast transmission device
10/02/2013CN103335667A Method for evaluating optical fiber sensor network area monitoring ability based on support vector machine
10/02/2013CN102221375B Optical-fiber-circuit-based communication light source sensing system and method
10/02/2013CN102185647B Photo current monitoring device
10/02/2013CN102158285B Method and device for producing paths of coherent light carriers
10/02/2013CN102065343B Wavelength selection method, device and system
10/02/2013CN101969340B Adaptive compensation method for inhibiting bias point drift of Mach-Zehnder modulator
10/02/2013CN101964768B Adaptive infrared anti-jamming transmission method
10/01/2013US8548338 Method and system for deploying an optical demodulator arrangement in a communications network
10/01/2013US8548337 Coherent optical channel substitution
10/01/2013US8548336 Closed loop optical modulation amplitude control
10/01/2013US8548334 Dynamic intelligent bidirectional optical access communication system with object/intelligent appliance-to-object/intelligent appliance interaction
10/01/2013US8548333 Transceiver photonic integrated circuit
10/01/2013US8548332 Indirect optical free-space communications system and method for the broadband transmission of high-speed data
10/01/2013US8548331 Optically interleaved electronic analog to digital converters
10/01/2013US8548330 Sectorization in distributed antenna systems, and related components and methods
10/01/2013US8548329 Apparatus and method for relaying in gigabit passive optical network
10/01/2013US8548326 Optical communication system
10/01/2013US8548322 Channel power estimation means
10/01/2013US8548321 Optical transmission apparatus
10/01/2013US8547824 Systems and methods for orthogonal frequency divisional multiplexing
10/01/2013US8547629 Gain and signal level adjustments of cascaded optical amplifiers
10/01/2013CA2523298C High speed, silicon-based electro-optic modulator
10/01/2013CA2486640C Optimising power in optical communications networks
09/2013
09/26/2013WO2013141765A1 A system, a wavelength isolator and methods therein for supervision of a passive optical network
09/26/2013WO2013140970A1 Optical communication system and optical communication method having high phase noise resistance
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