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)
05/2008
05/28/2008CN201066848Y Remote management system for photoelectrical converter of user terminal
05/28/2008CN201066838Y Audio signal receiving and transmitting device
05/28/2008CN101188513A Intelligent optical network and network capacity planning method resisting at least two link interruptions
05/28/2008CN101188508A A processing method for network element data distribution in telecom network management device
05/28/2008CN101188502A Ethernet passive optical network transfer unit with telecom E1 interface
05/28/2008CN101188461A 突发模式光接收机 Burst-mode optical receiver
05/28/2008CN101188460A Full optical network networking system for passive light network and MAN
05/28/2008CN101188459A An optical packet format and its label and payload generation and separation system
05/28/2008CN101188458A Space pattern scanning laser communication method
05/28/2008CN101188457A A learning and access method for infrared data based on communication devices
05/28/2008CN101188456A A performance tracking and testing method for space optical communication system
05/28/2008CN101188455A A protection method for intercrossed board
05/28/2008CN101188437A A method for realizing switching status inquiry upon channel switching based on hardware
05/28/2008CN101187771A Remotely pumped transportation system for promoting pumping performance by stimulated Raman effect
05/28/2008CN100391211C A routing area relation management and regulating method for hierarchical network
05/28/2008CN100391139C Parallel multichunnel wavelength locking device
05/28/2008CN100390585C Optical fiber bus structure and optical fiber bus net
05/27/2008US7379677 Method of wavelength conversion and wavelength converter
05/27/2008US7379676 Communication apparatus in Ethernet passive optical network
05/27/2008US7379674 Optical transmission device
05/27/2008US7379673 Mobile communications system
05/27/2008US7379672 Photonic RF distribution system
05/27/2008US7379671 Optical transmitter
05/27/2008US7379670 Method and apparatus for chromatic dispersion compensation
05/27/2008US7379669 Method and apparatus for duplex communication in hybrid fiber-radio systems
05/27/2008US7379668 Optical amplification in photonic switched crossconnect systems
05/27/2008US7379640 Tunable dispersion compensator and method of manufacturing the same
05/27/2008US7379637 Method, optical device, and system for optical fiber transmission
05/27/2008US7379636 Optical switch
05/27/2008US7379236 Optical fiber communication system using remote pumping
05/27/2008US7379234 Quality monitoring of an optical fiber amplifier
05/27/2008US7379061 Method and system for fault isolation within a network element in an optical network
05/22/2008WO2008060715A1 Frequency selective mmw source
05/22/2008WO2008060690A2 Method and device for controlling a remote vehicle
05/22/2008WO2008060007A1 Multi-degree cross-connector system, operating method and optical communication network using the same
05/22/2008WO2008059861A1 Contents delivery system with use of wireless mobile terminal device and delivery method
05/22/2008WO2008059281A1 Multiwavelength transmitter
05/22/2008WO2008059198A1 Bias controller for an optical modulator
05/22/2008WO2008036205A3 Optical modulator
05/22/2008US20080118252 Optical coupler with reduced pulse width distortion
05/22/2008US20080118250 Optical module
05/22/2008US20080118249 Generating of high rate modulated pulse streams
05/22/2008US20080118248 Generating of high rate modulated pulse streams
05/22/2008US20080118247 Method and apparatus for hemispherical retargeting
05/22/2008US20080118246 Encoding and decoding architecture and method for pipelining encoded data or pipelining with a look-ahead strategy
05/22/2008US20080118201 Photonic interconnect method
05/22/2008US20080117943 Laser diode driver with multiple modulation current source
05/22/2008US20080117076 System and method for conducting bi-directional communication sessions with utility meters from a mobile device
05/21/2008EP1923739A1 Differential M-phase-shift optical modulator
05/21/2008EP1922833A1 Optical clock recovery
05/21/2008EP1922676A2 Quantum repeater
05/21/2008EP1648094B1 Communication system transceivers having power saving features
05/21/2008EP1588511B1 Output stage for carrying out wdm message transmission and methods for exchanging full light sources in an output stage of this type
05/21/2008EP1515162B1 Device for detecting optical and optoelectronic objects
05/21/2008EP1327318B1 Improvements in or relating to optical wireless communications
05/21/2008EP1157493B1 Dwdm catv return system with up-converters to prevent fiber crosstalk
05/21/2008DE112006001960T5 Optische Empfangsvorrichtung, Prüfvorrichtung, optisches Empfangsverfahren, Prüfverfahren, Prüfmodul und Halbleiterchip Optical receiver, tester, optical receiving method, test methods, test module and semiconductor chip
05/21/2008DE102006052860A1 Beeinflussung der Ausbreitungsgeschwindigkeit von Signalen in Lichtleitern Influencing the speed of propagation of signals in optical fibers
05/21/2008CN201063777Y Light receiver with encryption function
05/21/2008CN201063636Y PLC type single fiber bidirectional twin port component
05/21/2008CN201063635Y Vehicle audio optical fiber transmission device
05/21/2008CN201063634Y Light receiver
05/21/2008CN201063633Y 13GHz SDH transceiver module
05/21/2008CN201063632Y 13GHz SDH transceiver housing
05/21/2008CN201063631Y Housing of optical network unit
05/21/2008CN101185247A Xfp transceiver with 8.5g cdr bypass
05/21/2008CN101183981A Method for implementing remote management
05/21/2008CN101183913A Method for fine adjustment of dispersion compensation in wavelength division multiplexing optical transmission system
05/21/2008CN101183910A Linear protection method of optical network
05/21/2008CN101183904A Systems and methods for all-optical signal regeneration based on free space optics
05/21/2008CN101183903A Digital optical fiber repeater system
05/21/2008CN101183902A One-way broken fiber detecting method, device and component
05/21/2008CN101183901A Method of implementing transmission equipment power-off alarm and alarm recovery
05/21/2008CN101183900A Baseband extension radio frequency subsystem RRU testing method, system and analog BBU device
05/21/2008CN101183899A BP network based pipeline security identifying method for optical fiber pipeline leakage monitoring device
05/21/2008CN101183861A Bandpass filter circuit, band-elimination filter circuit, infrared signal processing circuit
05/21/2008CN100389546C Raman light enlarger
05/21/2008CN100389545C Self-healing wavelength division multiplexing-passive optical network system
05/20/2008US7376829 Terminal, data distribution system comprising such a terminal and method of re-transmitting digital data
05/20/2008US7376448 Heterodyne receiver and communication system with demodulator switchable between demodulation schemes based on received status signal
05/20/2008US7376361 Optical transmission system and dispersion compensator
05/20/2008US7376360 Optical device for extracting a sideband signal from a composite signal including orthogonally modulated signals
05/20/2008US7376359 Digital regulated light receive module and regulation method
05/20/2008US7376358 Location specific optical monitoring
05/20/2008US7376357 System and method of using variable pulses for symbology
05/20/2008US7376356 Optical data transmission system using sub-band multiplexing
05/20/2008US7376355 Optical transmission apparatus and optical transmission system
05/20/2008US7376354 All optical clock recovery
05/20/2008US7376353 Method and apparatus for dispersion management in optical mesh networks
05/20/2008US7376352 Chirp managed laser fiber optic system including an adaptive receiver
05/20/2008US7376351 Data communications system and method for communication between infrared devices
05/20/2008US7376349 Analog to digital converter systems and methods
05/20/2008US7376348 Optical communication system
05/20/2008US7376300 Variable optical dispersion compensating module
05/20/2008US7376293 Remote location of active section of fiber in a multimode intrusion detection system
05/20/2008US7376189 Remote control signal reception circuit, remote control signal reception method, remote control signal reception program, and computer-readable storage medium storing the program
05/20/2008US7375879 Structure with saturable optical absorbent for device for regenerating optical signals
05/20/2008US7375878 Optical repeater
05/20/2008US7375876 Optical transmitting apparatus having variable optical transmitting unit including plurality of paths
05/20/2008CA2357671C Flexible optical network architecture