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)
04/2011
04/27/2011CN201812069U Unlocking rest device of XFP light transceiving integral module
04/27/2011CN201809690U Vehicle-mounted road machine transmitting signals by using optical fibers
04/27/2011CN102037663A Method and apparatus for data privacy in passive optical networks
04/27/2011CN102036133A Optical communication network and method of controlling power source in same
04/27/2011CN102036129A Method and system for protecting path based on PCE (Patch Computation Element)
04/27/2011CN102035749A Optical line automatic switching protection (OLP) equipment route monitoring method and device
04/27/2011CN102035658A High-speed 1553B fiber bus IP core
04/27/2011CN102035603A Method and device for erasing and interposing D8PSK/ASK orthogonal optical label based on EAM
04/27/2011CN102035602A Optimal channel coding modulation-based adaptive optical transmission system and method
04/27/2011CN102035601A Method for improving transmission capacity of multimode fiber communication system
04/27/2011CN102035600A Physical interface board of high speed 1553B optical fiber bus
04/27/2011CN102035599A FTTH passive optical link monitoring system and method
04/27/2011CN102035598A Apparatus for monitoring optical signal quality
04/27/2011CN102035597A Method, device and system for switching between main terminal and standby terminal of passive optical network (PON)
04/27/2011CN102035596A Method and device for amplifying and dynamically adjusting optical signals
04/27/2011CN102035595A Transmission module and electronic system
04/27/2011CN101762844B Method for improving wave-guiding characteristic of optical waveguide based on photon excitation
04/27/2011CN101321098B Double-PON port optical network unit equipment and its system and implementing method
04/27/2011CN101013918B 光接收机 Optical Receiver
04/26/2011US7934132 Communication system and method for controlling the same
04/26/2011US7933524 Apparatus for and method of generating millimeter waves
04/26/2011US7933523 Clock extracting apparatus
04/26/2011US7933522 Optical signal transmission system and optical signal transmission method
04/26/2011US7933521 Integrated multiplexer/demultiplexer having offset transmitters and receivers for use in an optical transceiver module
04/26/2011US7933520 High-speed wavelength selectable optical source and method thereof
04/26/2011US7933519 Optical cross-connect using wavelength selective switches
04/26/2011US7933518 Intelligent optical systems and methods for optical-layer management
04/26/2011US7933517 Single-fiber protection in telecommunications networks
04/26/2011US7933266 Configurable network router
04/26/2011US7933063 Monitoring method and apparatus of noise light due to Raman amplification and optical communication system using the same
04/26/2011CA2666046C Power spectrum monitoring and management in a wavelength division multiplexed network
04/26/2011CA2528260C Optical receiver having an open loop automatic gain control circuit
04/21/2011WO2011047237A2 Isolating rfid reader
04/21/2011WO2011046750A1 Systems and methods for a configurable communication device
04/21/2011WO2011046396A2 Apparatus and method for channel aggregation and guard channel indication for visible light communication
04/21/2011WO2011046183A1 Optical signal processing device and optical network system
04/21/2011WO2011045981A1 Light branching apparatus, optical communication system and light multiplexing method
04/21/2011WO2011045718A1 Dual drive externally modulated laser
04/21/2011WO2011045674A1 Method and system for deploying an optical demodulator arrangement in a communications network
04/21/2011WO2011045217A1 Optical transmission method and apparatus using ofdm
04/21/2011WO2011044887A1 Optical measuring method having scattered-light elimination and device therefor
04/21/2011WO2011021842A3 Open optical access network system
04/21/2011WO2011014044A3 Methods and apparatus for fast and energy-efficient link recovery in a visible light communication (vlc) system
04/21/2011WO2011010827A3 Optical transmitting apparatus and method, and optical receiving device and method
04/21/2011WO2011008041A3 Wavelength division multiplexing optical module
04/21/2011US20110091221 METHOD AND SYSTEM FOR SETTING TIMING OF PHASE MODULATION OF xPSK TRANSMITTER
04/21/2011US20110091220 Apparatus and method for channel aggregation and guard channel indication for visible light communication
04/21/2011US20110091219 Laser drivers for closed path optical cables
04/21/2011US20110091218 Broadband radio transceiver with optical transform
04/21/2011US20110091217 Apparatus and method for transporting multiple radio signals over optical fiber
04/21/2011US20110091216 Long range selective rfid using laser photodetection wakeup
04/21/2011US20110091215 Microwave transmission apparatus, signal processing method and device in microwave transmission apparatus
04/21/2011US20110091213 Passive optical network system and wavelength assignment method
04/21/2011US20110091211 Optical line terminal capable of active bandwidth allocation for passive optical network system
04/21/2011US20110091210 Coupled Seed Light Injection for Wavelength Division Multiplexing Passive Optical Networks
04/21/2011US20110091208 Testing optical networks
04/21/2011US20110091207 Power Monitoring Photodiode Array with Integrated, Current Sourced Reference Photodiode
04/21/2011US20110091206 In-band optical noise measurement using differential polarization response
04/21/2011US20110091205 Multi-interface protocol analysis system
04/21/2011US20110091204 Method and system for deploying an optical demodulator arrangement in a communications network
04/21/2011US20110091201 Method and device for realizing interaction of optical channel data unit protection tangent rings
04/21/2011US20110090060 Isolating RFID Reader
04/20/2011EP2312911A2 Circuit for driving an infrared transmitter LED dependent on the temperature
04/20/2011EP2312771A1 Extender, data transmission method and passive optical network
04/20/2011EP2312770A1 Optical transmission method and apparatus using OFDM
04/20/2011EP2312769A1 A method of attenuating an optical measuring signal in the monitoring of a specified optical path in a working single-mode branch structure network.
04/20/2011EP2312750A1 A method for transmission of signals from a transmitting device to a receiving device comprising an amplifying unit, a transmitting device and a receiving device therefor
04/20/2011EP2311237A1 Method and system for session controlling
04/20/2011EP2311205A1 Optical polymorphic computer systems
04/20/2011EP1323250B1 Method and system for transmitting signals with spectrally enriched optical pulses
04/20/2011CN201805586U Intelligent road lamp power supplying control system in towns and cities
04/20/2011CN201805428U High-speed digital and analog integrated optical transceiver
04/20/2011CN201805427U Network installation and maintenance testing device with optical power test function
04/20/2011CN201805426U Autosynchronous SCDMA optic-fiber repeater equipment
04/20/2011CN201805421U Communication device between direct current (DC) protection systems and DC control systems
04/20/2011CN201804261U Infrared data transmission system of bus interface in migration equipment
04/20/2011CN201804131U Optical add-drop multiplexer based on fiber grating filter
04/20/2011CN1992562B Sudden optical receiver
04/20/2011CN1984099B Method and device for configuring adjacent cascade channel register
04/20/2011CN1976262B Method and apparatus for stabilizing multi-channel light wavelength
04/20/2011CN1976259B Directive non-feedback optical fiber one-way transmitting physical isolating method and one-way transmitting system therefor
04/20/2011CN102027697A Two-phase optical communication methods and optical bus systems for implementing the same
04/20/2011CN102027696A Filter coefficient control apparatus and method
04/20/2011CN102027345A Wavelength-multiplexed signal measurement device and method
04/20/2011CN102026252A Radio remote unit and communication method thereof
04/20/2011CN102026226A Monitoring system and monitoring method of wireless signal optical fiber access device
04/20/2011CN102026050A Optical fiber CAN bus hub and networking method thereof
04/20/2011CN102026048A Method for adjusting ranging value of passive optical network system and recovering passive optical network system, and optical line terminal
04/20/2011CN102026046A Path processing method, optical communication device and optical communication system for optical network
04/20/2011CN102025615A Method and device for planning paths of small-granularity services in optical communication network
04/20/2011CN102025437A Method, system and device for protection switching
04/20/2011CN102025422A Method and system for generating Ka band multi-path millimeter wave signals
04/20/2011CN102025421A Gigabit broadband isolation pseudo-synchronous digital hierarchical (PDH) optical transmitter and receiver
04/20/2011CN102025420A Single-fiber photocarrier transmission system and method of wideband radar signals and digital control signals
04/20/2011CN102025419A Method and single board for adjusting time slot of full service
04/20/2011CN102025418A Method for maintaining intelligent clock, network equipment and network management platform
04/20/2011CN102025417A Optical power detection method, equipment and system for passive optical network
04/20/2011CN102025416A Method, repeater and communication system for positioning submarine cable failure,
04/20/2011CN102025415A Velocity detection method and device
04/20/2011CN102025414A Relay station and method for adjusting output optical signal thereof