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)
09/2010
09/08/2010CN101826915A Optical fiber barrier finder
09/08/2010CN101826914A Free space light communication receiving assembly
09/08/2010CN101826913A Television infrared audio signal emitting and receiving device
09/08/2010CN101825750A Fiber optic distribution device and fiber optic network including the same
09/08/2010CN101471539B Method and system for controlling multipath laser wavelength
09/08/2010CN101346007B Service processing method based on automatic exchange optical network, and automatic exchange optical network
09/08/2010CN101304336B Method for directly and remotely managing optical network node build-in single disk
09/08/2010CN101197679B User authentication method and system for preventing attack from refusal service
09/08/2010CN101163348B Optical burst switch network self-adaptive converging method and device thereof
09/08/2010CN101150878B Parallel signaling method for realizing quick optical channel connection in intelligent optical network
09/08/2010CN101150875B A device and method for switching mapping modes
09/08/2010CN101124591B Quantum optical state converter
09/08/2010CN101116267B Optical input stoppage testing apparatus
09/08/2010CN101094177B System for extracting envelope signal of net load in optical packet signal, and implementation method
09/08/2010CN101060369B A method and system for solving the errors under the PON PLOAM system
09/08/2010CN101056145B Test method based on novel DCC processing technology
09/08/2010CN101051854B Irregular medium protecting method for passive optical network
09/08/2010CN101001110B Radio laser scanning communication method
09/07/2010US7792436 Optical receiver corresponding to differential M-phase shift keying system
09/07/2010US7792435 Control device with a switchable bandwidth
09/07/2010US7792434 Optical receiver
09/07/2010US7792433 System and method for generating optical return-to-zero signals with differential bi-phase shift and frequency chirp
09/07/2010US7792432 Externally modulated laser optical transmission system with feed forward noise cancellation
09/07/2010US7792431 Detection of an electromagnetic signal
09/07/2010US7792430 Automatic power restoring method and optical communication system
09/07/2010US7792429 Hybrid optical transceiver module and passive optical network including the same
09/07/2010US7792428 Optical add/drop multiplexer
09/07/2010US7792427 Optical code division multiple access data storage and retrieval
09/07/2010US7792426 Method and device for operating an optical transmitting device having a plurality of optical transmitters that can be driven independently
09/07/2010US7792425 Network data transmission and diagnostic methods using out-of-band data
09/07/2010US7792398 Optically controlled optical-path-switching-type data distribution apparatus and distribution method
09/07/2010US7792396 Probe card for testing in-wafer photonic integrated circuits (PICs) and method of use
09/07/2010US7792107 Center-side terminal of optical network capable of carrying out processing depending on subscriber number
09/07/2010US7792044 Service management channel for managing an optical networking service
09/07/2010US7791792 Transient optical power suppressing apparatus, method, and network
09/02/2010WO2010099371A1 Submersible vessel data communications system
09/02/2010WO2010097053A1 Information encoding for impaired optical path validation
09/02/2010WO2010096993A1 A service adaptation method and service adaptation device
09/02/2010WO2010096984A1 Method and device for transmitting an upstream transmission frame in a passive optical network
09/02/2010WO2010096969A1 Method of sending upstream frame in passive optical network and apparatus thereof
09/02/2010US20100221021 Optical receiver and control apparatus
09/02/2010US20100221020 Adaptive Polarization Tracking And Equalization In Coherent Optical Receivers
09/02/2010US20100221019 Low-noise parallel cascade of optical receivers
09/02/2010US20100221018 Polarization mode dispersion suppressing method and polarization mode dispersion suppressing apparatus
09/02/2010US20100221017 Method and System for Optimum Channel Equalization From a SERDES to an Optical Module
09/02/2010US20100221015 Method and system for signal processing by modulation of an optical signal with a multichannel radio frequency signal
09/02/2010US20100221014 Optical fiber transmission system and method
09/02/2010US20100221013 Optical transmission apparatus, wavelength division multiplexing optical communication system and optical transmission method
09/02/2010US20100221010 Encoding-decoding method, optical pulse time spreading apparatus, optical add-drop-multiplexer, and optical communication system
09/02/2010US20100221008 Wavelength-Division Multiplexed Passive Optical Network for Reducing Degradation in Noise Characteristic of Wavelength-Locked Fabry-Perot Laser Diodes
09/02/2010US20100221007 Passive optical network system, optical line terminal, and optical network unit
09/02/2010US20100221000 Method and device and communication system for measuring optical power
09/02/2010US20100220999 Encoding of Wavelength Converter Systems
09/02/2010US20100220998 Network management system, repeater, and repeating method
09/02/2010US20100220997 Optical signal processing device and method of processing optical signal
09/02/2010US20100220996 Path Computation Element Protocol (PCEP) Operations to Support Wavelength Switched Optical Network Routing, Wavelength Assignment, and Impairment Validation
09/02/2010US20100220995 Information Encoding for Impaired Optical Path Validation
09/02/2010US20100220994 Self-correcting wavelength collision avoidance system
09/02/2010US20100220970 Multiple quantum dot waveguides
09/02/2010US20100220387 Superfluorescent fiber source with enhanced mean wavelength stability
09/02/2010US20100220386 Cladding-pumped evanescent gain optical fiber
09/02/2010US20100220376 Optical modulation circuit and optical transmission system
09/02/2010US20100220317 Method and Apparatus for Acoustic Sensing Using Multiple Optical Pulses
09/02/2010US20100219984 Traffic Communication System and Method for Communicating in Traffic
09/02/2010DE102010002366A1 Optokopplersystem mit reduziertem Energieverbrauch und Pulsbreitenverzerrung Optical coupling system with reduced energy consumption and pulse width distortion
09/01/2010EP2224669A1 Secure data transfer on a handheld communications device
09/01/2010EP2224630A1 Wavelength division multiplexing equipment and method for dispersion compensation of optical signal
09/01/2010EP2224626A1 Optical fiber transmission system and method
09/01/2010EP2224625A1 Optical signal processing device and method of processing optical signal
09/01/2010EP2224624A1 A method for primary and backup links protection in passive optical network and a ring-based system
09/01/2010CN201571165U Video encoder for optical fiber self-healing ring network
09/01/2010CN201571064U Pre-distortion correcting circuit of optical sender
09/01/2010CN201571063U Optical transmitter
09/01/2010CN201571062U Optical amplifier
09/01/2010CN201571061U Dual-channel backup optical receiver for fiber-optic transmission system
09/01/2010CN201571060U Single-fiber optical fiber transceiver
09/01/2010CN201571059U System for converting from single-way network interface into multi-way optical fiber interface
09/01/2010CN201571058U Optical receiver for optical fiber transmission system
09/01/2010CN201571057U 3g video optical communication signal receiving and transmitting device
09/01/2010CN201571025U Optical AGC control circuit used for optical receiver
09/01/2010CN1988426B Reference clock sending circuit and method for light repeat plate
09/01/2010CN1976267B Optical multiple transmission method, optical network and optical transmission apparatus
09/01/2010CN1933376B Optical transceiver module for monitoring an optical fiber and method for making available measuring data from monitoring an optical fiber
09/01/2010CN1922805B Optical transporting apparatus, optical transmission system, optical transporting method, and optical transmission method
09/01/2010CN1871754B Laser driver circuit
09/01/2010CN1832650B System for regulating light source performance using cuttable resistance and regulating method thereof
09/01/2010CN1655480B Optical add-drop multiplexer
09/01/2010CN101821970A Remote node configuration for providing upgraded services in passive optical network and passive optical network having the same
09/01/2010CN101820558A Method for detecting long luminance ONU in passive optical network
09/01/2010CN101820362A Method and device for solving resource distribution conflict
09/01/2010CN101820349A Power saving in IEEE 802-style networks
09/01/2010CN101820340A Clock recovery device and method
09/01/2010CN101820339A Method for extracting all-optical bit clock of domain OCDMA (Optical Code Division Multiple Access) system under multi-user environment
09/01/2010CN101820331A Optical fiber data transmission method and device
09/01/2010CN101820326A Encoding-decoding method, optical pulse time spreading apparatus, optical add-drop-multiplexer, and optical communication system
09/01/2010CN101820320A Method for controlling optical amplifier to carry out amplification treatment on optical signals and device thereof
09/01/2010CN101820319A Calculation program of super-continuum spectrum generated in optical fibers
09/01/2010CN101820318A 1Gbps ultra high-speed LED (light-emitting diode) optical communication control system and method
09/01/2010CN101820317A Method and system for realizing protection switching (PS) of protection groups
09/01/2010CN101820316A Method for closing constant optical network unit and optical network unit thereof