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)
07/2010
07/28/2010CN101789826A Method and device for generating frequency doubling millimeter wave
07/28/2010CN101789825A Optical receiving module
07/28/2010CN101789824A Online optical network unit (ONU) optical power acquisition device and method
07/28/2010CN101789610A Optical fibre network terminal system and power supply module thereof
07/28/2010CN101788701A Parallel optical transceiver used for data transmission
07/28/2010CN101533129B High-speed adjustable optical comb filter
07/27/2010US7765576 Changing communication mode in a CATV pathway using mute commands
07/27/2010US7765348 Configurable two-wire interface module
07/27/2010US7764886 Burst mode optical receiver
07/27/2010US7764885 Asymmetric rise/fall time and duty cycle control circuit
07/27/2010US7764884 Optical ring network architecture
07/27/2010US7764881 Optical apparatus and optical cross connect apparatus
07/27/2010US7764718 Superfluorescent fiber source with enhanced mean wavelength stability
07/27/2010US7764423 Polarization-independent four-wave mixing in a birefringent fiber
07/27/2010US7764363 Method and apparatus for acoustic sensing using multiple optical pulses
07/27/2010US7764194 Vehicle-use communication apparatus for receiving information transmitted by modulated light from signal lamp of traffic signal apparatus
07/27/2010CA2483118C Auto-negotiation monitor system, repeating-transmission apparatus, and auto-negotiation monitor method used therefor
07/27/2010CA2446281C N-way broadcast/narrowcast combiner
07/27/2010CA2372613C Use of cross tap equalization to reduce crosstalk arising from inadequate optical filtering in a wdm optical link
07/22/2010WO2010083332A1 Optical communication using coupled optically pumped amplifiers
07/22/2010WO2010083269A2 Optical imaging for optical device inspection
07/22/2010WO2010083102A1 Sparing for multi-wavelength optical transmitter
07/22/2010WO2010082585A1 Transimpedance amplifier and pon system
07/22/2010WO2010082578A1 Optical transmitter
07/22/2010WO2010082344A1 Light modulation/demodulation system, light transmission system, and light modulation/demodulation method
07/22/2010WO2010082339A1 Optical transfer system, transmitter apparatus and receiver apparatus
07/22/2010WO2010081303A1 Electrical connector
07/22/2010WO2010048193A3 Managed pon repeater and cross connect
07/22/2010WO2010041897A3 Fault localization method and fault localization device in a passive optical network, and passive optical network having the fault localization device
07/22/2010WO2010036042A3 Combined remote control receiver and infrared communication apparatus
07/22/2010US20100185796 Interface component and method for the operation thereof
07/22/2010US20100183318 Laser diode driver with back terminator and optical transmitter providing the same
07/22/2010US20100183317 Infrared transmitter
07/22/2010US20100183316 Methods and Systems for Dynamic Equalization Delay Passive Optical Networks
07/22/2010US20100183315 Power supply module of optical network terminal system
07/22/2010US20100183314 Inline optoelectronic converter and associated methods
07/22/2010US20100183310 Dispersion compensator
07/22/2010US20100183309 System and Method for OCDM-Based Photonic Layer Security Robustness to Archival Attack
07/22/2010US20100183303 Optical pulse generating device and optical signal processing device
07/22/2010US20100183299 Wavelength Assignment In An Optical WDM Network
07/22/2010US20100183297 Optical fiber sensor having electrical connectors
07/22/2010US20100183296 Systems and Methods for Diagnostic Monitoring of Optical Modulation Amplitude at an Optical Receiver Using Automatic Gain Control
07/22/2010US20100183295 Rogue onu detection via photonic mixing
07/22/2010US20100183294 Sparing for multi-wavelength optical transmitter
07/22/2010US20100183293 Apparatus and methods for indicating the operational condition of a communication device
07/22/2010US20100181937 Optical transmitter
07/22/2010DE102010000982A1 Systeme und Verfahren zum diagnostischen Überwachen einer optischen Modulationsamplitude an einem optischen Empfänger unter Verwendung von automatisher Verstärkungssteuerung Systems and methods for diagnostic monitoring of an optical modulation amplitude to an optical receiver using gain control automatisher
07/22/2010DE102010000697A1 Faseroptisches Transceiver (FOT) Modul und Verfahren zur Herstellung eines FOT Moduls A fiber optic transceiver (FOT) module and method for manufacturing a module FOT
07/22/2010DE102005010805B4 Vorrichtung zur Übertragung von von einem optischen Sender erzeugten modulierten optischen Signalen Device for transmitting generated by an optical transmitter modulated optical signals
07/21/2010EP2209234A1 Method and device for data processing in an optical network
07/21/2010EP2209233A1 Optical communications systems and optical line terminals
07/21/2010EP2209232A2 Gain and signal level adjustments of cascaded optical amplifiers
07/21/2010EP2209231A2 Gain and signal level adjustments of cascaded optical amplifiers
07/21/2010EP2209230A1 Cell for a cellular communications network capable of covering an elongated traffic lane, communications network comprising such a cell and repeater adapted to operate within such a cell
07/21/2010EP2209229A1 Optical PON system and method for data processing
07/21/2010EP2209228A1 An optical line terminal, a remote node unit, an optical transimission method and system thereof
07/21/2010EP2209227A1 A method for realizing time slot partition and spending process of an optical payload unit in an optical transmission network
07/21/2010EP2209226A1 Method and device for signal processing in an optical network unit
07/21/2010EP2209038A1 Optical modulator and optical communication system
07/21/2010EP2208296A1 Receiving apparatus and method for electronic noise compensation in phase modulated optical transmission
07/21/2010CN201533380U Multi-service transmitting device for optical fiber transmission at railway sections
07/21/2010CN201533327U Optical voice call through optical fiber transmission at railway sections
07/21/2010CN201533312U Multi-service receiving device for optical fiber transmission at railway sections
07/21/2010CN201533311U Multi-path optical transmission device
07/21/2010CN1921356B Radio-frequency optical transport module based on TD mode and synchronous control method
07/21/2010CN1873436B Antenna connection detecting device and vehicle navigation device
07/21/2010CN101785159A Transmitter, receiver, transceiver, transmission control method, reception control method, optical transmission module, and electronic device
07/21/2010CN101783980A Optical transmission device and passive optical network system
07/21/2010CN101783979A Method, apparatus and system for registering passive optical network based on Ethernet
07/21/2010CN101783977A Theory and method for calculating initial data from all-optical Shift XOR result.
07/21/2010CN101783975A Method, device and system for measuring distance in communication network
07/21/2010CN101783711A Method and system for demultiplexing based on D trigger
07/21/2010CN101783707A Optical communications systems and optical line terminals
07/21/2010CN101783705A Multi-optical switch switching device and method
07/21/2010CN101783704A infrared transmitter
07/21/2010CN101783510A Infrared receiving system direct current interference inhibiting circuit based on feedback
07/21/2010CN101476879B Self-repairing system and method for optical fibre distribution type sensor network
07/21/2010CN101464609B Production method of double-pump wavelength-adjustable broad band full-wavelength converter
07/21/2010CN101227500B Task scheduling method based on optical grid
07/21/2010CN101193329B Optical switch and optical crossconnect apparatus
07/21/2010CN101188460B Full optical network networking system for passive light network and MAN
07/21/2010CN101127628B A method for managing and transmitting small granularity service
07/21/2010CN101026420B Method and system for solving FTTP safety problem
07/20/2010US7761013 Optical receiver having bias circuit for avalanche photodiode with wide dynamic range
07/20/2010US7761012 Optical communication system and method for generating dark return-to zero and DWDM optical MM-Wave generation for ROF downstream link using optical phase modulator and optical interleaver
07/20/2010US7761011 Optical fiber communication link
07/20/2010US7761010 Optical transponder
07/20/2010US7761009 Optical amplifiers in a free space laser communication system
07/20/2010US7761008 Optical transmission method and device
07/20/2010US7761006 Method for designing optical network, and computer readable medium
07/20/2010US7760734 TDMA passive optical network OLT system for broadcast service
07/20/2010US7760620 Method and apparatus for processing fault dependency of different levels of tandem connection monitoring
07/20/2010US7760423 Optical amplifier
07/20/2010US7760422 Semiconductor raman ring amplifier
07/20/2010US7760190 Remote controller with touchpad for receiving handwritten input functions
07/20/2010CA2481780C Optical fiber amplification system
07/15/2010WO2010080721A1 Multi-wavelength coherent receiver with a shared optical hybrid and a multi-wavelength local oscillator
07/15/2010WO2010080307A1 Optical mixer for coherent detection of polarization-multiplexed signals
07/15/2010WO2010080158A1 Configurable point-to-point optical communications system between servers
07/15/2010WO2010053671A3 Epon with power-saving features