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)
03/2007
03/27/2007US7197247 WDM optical communication system
03/27/2007US7197245 System and method for managing system margin
03/27/2007US7197244 Method and system for processing downstream packets of an optical network
03/27/2007US7197243 Optical waveform for use in a DWDM optical network and systems for generating and processing same
03/27/2007US7197241 Optical transmission systems including optical protection systems, apparatuses, and methods
03/27/2007US7197219 Chromatic dispersion compensation module
03/27/2007US7197213 System and method for controlling deflection of optical beams
03/27/2007US7197211 Variable wavelength dispersion compensator
03/27/2007US7197210 Method and device for determining and compensating for the tilting of the spectrum in an optical fiber of a data transmission path
03/27/2007US7197206 Optical communication system and method thereof
03/27/2007US7196840 Amplitude balancing for multilevel signal transmission
03/27/2007US7196838 High density optical packaging
03/27/2007US7196833 Apparatus for simultaneous OTDM demultiplexing, electrical clock recovery and optical clock generation, and optical clock recovery
03/27/2007US7196310 Light receiving device for optical communication system
03/27/2007US7196309 Photodetection circuit
03/27/2007CA2291684C Span management system for wavelength division multiplexed network
03/22/2007WO2007032983A1 Media converter rfid security tag
03/22/2007WO2007032394A1 Data communication apparatus, electronic camera, and data communication system
03/22/2007WO2007032276A1 Transport data assigning method and optical communication system
03/22/2007WO2007031794A1 Transmission of audio signals via fibre optic
03/22/2007WO2007030999A1 A optical fiber access network and a communication protection method thereof
03/22/2007WO2007030998A1 A fiber access network and communication protecting method thereof
03/22/2007WO2007012730A3 Optical transmission system et device for receiving an optical signal
03/22/2007US20070067012 Custom length stent apparatus
03/22/2007US20070065162 Signal waveform deterioration compensator
03/22/2007US20070065161 Optical transmitting apparatus and optical communication system
03/22/2007US20070065160 Data communication unit using light-emitting diode for data communication, and electronic device
03/22/2007US20070065159 All-optical 2R regenerator for multi-channel communication
03/22/2007US20070065158 Mobile terminal apparatus
03/22/2007US20070065157 Optical signal reception device and method of controlling optical signal reception
03/22/2007US20070065156 Fiber-optics multiplexed interferometric current sensor
03/22/2007US20070065155 System and methods for quantum key distribution over WDM links
03/22/2007US20070065154 Methods and system for quantum key distribution over multi-user WDM network with wavelength routing
03/22/2007US20070065153 Optical line terminal in a wavelength division multiplexing passive optical network
03/22/2007US20070065152 Reconfigurable multiple port transponder
03/22/2007US20070065151 Optical transceiver with custom logging mechanism
03/22/2007US20070065150 Secure optical communication
03/22/2007US20070065148 Diagnosis method and diagnosis chip for the determination of the bandwidth of optical fibers
03/22/2007US20070065147 Arrangement, system, and method for accurate power measurements using an optical performance monitor (OPM)
03/22/2007US20070065146 Method and arrangement for the transmission of working signals and protection signals via optical data networks
03/22/2007US20070065089 Optical termination apparatus and optical transmission system
03/22/2007US20070065081 Compensating fiber for cummulated chromatic dispersion and chromatic dispersion slope
03/22/2007US20070065078 System, method and terminal processing apparatus for optical fiber transmission
03/22/2007US20070064945 Quantum communication system
03/22/2007US20070064501 Wavelength-maintaining optical signal regenerator
03/22/2007US20070064306 Optical amplifier
03/22/2007US20070064305 Looped optical network with ase light recirculation and link and network survivability control system
03/22/2007US20070063862 System and method to control a device using a remote control device and a soft remote control
03/21/2007EP1764988A1 Optical line terminal in a wavelength division multiplexing passive optical network
03/21/2007EP1764935A2 Optical transmission system
03/21/2007EP1764634A1 Fibre compensating accumulated chromatic dispersion and dispersion slope
03/21/2007EP1764633A1 Optical fiber with reduced stimulated brillouin scattering
03/21/2007EP1763930A2 Filtering digital diagnostics information in an optical transceiver prior to reporting to host
03/21/2007EP1763929A2 Calibration of digital diagnostics information in an optical transceiver prior to reporting to host
03/21/2007EP1399952A4 Opto-electronic device integration
03/21/2007EP1258061B1 In fiber frequency locker
03/21/2007EP0943192B1 Method and apparatus for saturating an optical amplifier chain to prevent over amplification of a wavelength division multiplexed signal
03/21/2007EP0806091B1 Transmission system for a non linear transmission medium
03/21/2007CN2882128Y Optical network equipment
03/21/2007CN2882127Y Optical fibre multiplexer
03/21/2007CN2879963Y Physiologic index data collecting system
03/21/2007CN1934895A Optically controlled optical-path-switching-type data distribution apparatus and distribution method
03/21/2007CN1934807A Optical communication network and component therefore
03/21/2007CN1934806A Frequency conversion method and base station in radio optical fusion communication system
03/21/2007CN1934559A Computing a path for an open ended uni-directional path protected switched ring
03/21/2007CN1934478A 挠性有源信号线缆 Flexible active signal cable
03/21/2007CN1933423A Recovery method and apparatus for optical network LSP occuring abnormal delete
03/21/2007CN1933384A Optical pulse time spreading device
03/21/2007CN1933377A Bidirectional transmission structure of millimeter wave optical fiber transmission system based on insertion pilot frequency method and signal transmitting method
03/21/2007CN1933376A Optical transceiver module for monitoring an optical fiber and method for making available measuring data from monitoring an optical fiber
03/21/2007CN1933375A Tunable regulating light transmitting module and scaling and regulating method thereof
03/21/2007CN1933374A Multimode optical fibre communication system
03/21/2007CN1933373A Optical line terminal in a wavelength division multiplexing passive optical network
03/21/2007CN1933372A Method and apparatus for infrared laser atmospheric scattering communication
03/21/2007CN1933370A Composite infrared transmission system and method
03/21/2007CN1933369A Visible light communication system and method therefor
03/21/2007CN1933368A Method for operating a passive optical network, optical line termination and transmission frame structure
03/21/2007CN1933367A TDM business realizing method based on Ethernet passive light network
03/21/2007CN1932562A Optical fiber with reduced stimulated brillouin scattering
03/21/2007CN1306738C Method for obtaining path with protective body in intelligent optical network
03/21/2007CN1306737C Method and apparatus for obtaining constrained path of loose routing in intelligent optical network
03/21/2007CN1306736C System and method for radio frequency optical transmission
03/21/2007CN1306735C Optical communication system manufacturing method
03/21/2007CN1306734C Service link protecting method for intelligent optical network
03/21/2007CN1306733C Dispersion compensation component of Raman amplified and optical communication system
03/21/2007CN1306732C Frame synchronized parallel scrambler and parallel de-scrambler
03/21/2007CN1306731C Device and method for realizing shared data path with transmission overhead path
03/21/2007CN1306730C Access method for data packet networks
03/21/2007CN1306701C DC offset cancellation circuit, differential amplification circuit, photo-electric pulse conversion circuit
03/21/2007CN1306700C Pulse shaping circuit, pulse generating circuit and photo-electric pulse conversion circuit
03/21/2007CN1306299C NxN cross-linking switch using wavelength router and space switch
03/21/2007CN1306297C Large-effective-area inverse dispersion compensating fiber, and transmission line incorporating the same
03/21/2007CN1306281C Balance-inhibited single-photon detecting circuit modules
03/21/2007CN1305435C Appliance control methods and apparatus
03/20/2007US7194639 Power adapter and broadband line extender system and method
03/20/2007US7194211 Method and system for 80 and 160 gigabit-per-second QRZ transmission in 100 GHz optical bandwidth with enhanced receiver performance
03/20/2007US7194210 Wavelength division multiplexing optical transmission equipment and method of amplifying optical wavelength division multiplexed signals
03/20/2007US7194209 Interference resistant infrared extension system
03/20/2007US7194208 Wavelength-division multiplexing optical transmission system and optical communication method
03/20/2007US7194207 Wide-sense wavelength division multiplexed (WDM) cross-connect device