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)
11/2011
11/23/2011CN102255665A Method and device for digital fiber clock recovery system
11/23/2011CN102255664A Polarization multiplexing communication method and system based on time interleaving return to zero code
11/23/2011CN102255663A Method for all-optically generating sextuple frequency high-speed millimeter wave
11/23/2011CN102255662A Radio over fibre system
11/23/2011CN102255661A Subminiature programmable optical communication module for intelligent power grid
11/23/2011CN102255660A Transmission protection method of service access signal and transmission protection apparatuses thereof
11/23/2011CN102255659A Optical low-noise block downconverter, multi-dwelling unit equipment and related satellite television system
11/23/2011CN102255658A Method and device for transmitting 100GE Ethernet signals in optical transmission network
11/23/2011CN102255657A Method for managing service configuration data in passive optical network service management system
11/23/2011CN102255656A Optical network unit for passive optical network and signal processing method thereof
11/23/2011CN102255655A Link efficiency detection method realized by compatibly of tracking camera in laser communication
11/23/2011CN102255654A Light emission component testing tool and applied circuit thereof
11/23/2011CN102255653A Optical signal control method, optical signal control system and optical back plate system
11/23/2011CN102255652A Method for distinguishing broken fiber from power failure of far-end optical transceiver
11/23/2011CN102253498A Dispersion compensator for reducing polarization of polarization mode
11/23/2011CN102253492A Laser emission optical system easily coupled with laser-optical fiber combination and provided with adjustable beam divergence angle
11/23/2011CN102253452A Tunable microwave photon band pass filter based on multi-wavelength fiber laser
11/23/2011CN101636673B Channelized dispersion compensation module
11/23/2011CN101568045B System for saving single-fiber bidirectional hybrid passive optical network decoder/coder and transmission method
11/23/2011CN101435899B Full optical fiber integrated optical power monitor and manufacturing method thereof
11/23/2011CN101336520B A method for measuring relative time delay of data service in optical transmitting network
11/23/2011CN101136859B Method and system of controlling information unit in fiber channel communication
11/23/2011CN101136711B Optical terminal service, clock, cross service high integration veneer service smooth switch system of SDH system
11/22/2011US8064780 Receiving device and receiving method
11/22/2011US8064779 Receiving apparatus
11/22/2011US8064778 Method and apparatus for controlling tunable transmitter chirp
11/22/2011US8064777 Four quadrant linearizer
11/22/2011US8064776 Dispersion tolerant optical system and method
11/22/2011US8064775 Generation of at least 100 Gbit/s optical transmission
11/22/2011US8064774 High frequency optical millimeter-wave generation and wavelength reuse
11/22/2011US8064773 Multi-channel optical communication
11/22/2011US8064772 Optical space transmitter and optical space transmission method for wavelength-multiplexed light
11/22/2011US8064771 Active control loop for power control of optical channel groups
11/22/2011US8064770 System and method for spectral loading an optical transmission system
11/22/2011US8064769 Method and system for hitless tunable optical processing
11/22/2011US8064766 Orthogonal frequency division multiple access based optical ring network
11/22/2011US8064765 Optical signal monitoring system and optical signal monitoring method
11/22/2011US8064764 Optical network terminal agent
11/22/2011US8064763 Optical transmission systems, devices, and methods
11/22/2011US8064740 Arrangement for the electro-optical control and fast modulation of THz transmitters and THz measuring systems
11/22/2011US8064544 Method and device for receiving OPFDM-DQPSK signal
11/22/2011US8064486 Determination of channel latency within a round-trip path
11/22/2011US8064130 Optical amplifier
11/21/2011DE202011107725U1 Optische Faserkommunikationsvorrichtung Optical fiber communication device
11/17/2011WO2011143390A1 Compensating for end-to-end group delay ripples
11/17/2011WO2011142174A1 Visible light communication receiver, visible light communication system, and visible light communication method
11/17/2011WO2011141736A1 Optical amplifiers
11/17/2011WO2011141540A1 Synchronous clocking for optical orthogonal frequency division multiplexing transmission systems
11/17/2011WO2011141306A1 Method and apparatus for transmission of data from an led light signal to a receiving device
11/17/2011WO2011140953A1 Detection method, system and device for point to multi-point fiber network
11/17/2011WO2011140920A1 Method, system and optical network unit for synchronizing data
11/17/2011WO2011140915A1 Method for generating probe impulse and coherent optical time domain reflectometer
11/17/2011WO2011140913A1 Branch line optical fiber detection method and system, passive optical network and optical splitter
11/17/2011WO2011140912A1 System and method for detecting branch fiber, optical distribution network and optical splitter
11/17/2011WO2011140792A1 Method and device for automatic power reduction (apr) protection
11/17/2011WO2011140785A1 Multiplex section protection method and system in packet transport network
11/17/2011WO2011072073A3 Subchannel photonic routing, switching and protection with simplified upgrades of wdm optical networks
11/17/2011US20110280588 Partial dpsk (pdpsk) transmission systems
11/17/2011US20110280587 PMD Insensitive Direct-Detection Optical OFDM Systems Using Self-Polarization Diversity
11/17/2011US20110280586 Optical power transmission packeting systems and methods
11/17/2011US20110280585 Optical pulse amplication apparatus and method
11/17/2011US20110280584 Optical fiber with suppressed stimulated brillouin scattering
11/17/2011US20110280583 Optical power transmission systems and methods
11/17/2011US20110280582 Hybrid fiber coaxial network optical transport system with distortion control
11/17/2011US20110280570 Compensating for end-to-end group delay ripples
11/17/2011US20110280569 Integrated Circuit With Optical Interconnect
11/17/2011US20110280568 Techniques for detecting optical faults in passive optical networks
11/17/2011US20110280567 Identifying fault locations in a network
11/17/2011US20110280262 Modular, high energy, widely-tunable ultrafast fiber source
11/17/2011US20110279891 Optical fiber amplifier
11/17/2011US20110278437 Optical receiving circuit
11/17/2011DE102010020772A1 Verfahren zur Übertragung eines digitalen Signals im inversenen Multiplex, insbesondere über ein Optical Transport Network und Empfangseinrichtung für ein System zur Realisierung des Verfahrens A method for transmitting a digital signal in the multiplex inversenen, in particular via an Optical Transport Network and receiving device for a system for implementation of the method
11/16/2011EP2387167A1 Technique for simultaneously transmitting wide and narrow optical beacon signals
11/16/2011EP2387166A1 Optical switching apparatus and method for enb
11/16/2011EP2387011A1 Line-of-sight optical detection system, and communication system
11/16/2011EP2386150A1 Configurable point-to-point optical communications system between servers
11/16/2011EP2071752B1 Method and system for data transmission
11/16/2011EP1941663B1 Method for establishing a subscriber connection and a system utilizing the method
11/16/2011EP1935119B1 Optical routing and transport accelerator (orta)
11/16/2011CN202043251U Wind and solar hybrid power station monitoring system utilizing optical fiber transmission
11/16/2011CN202043114U Signal receiving and sending device
11/16/2011CN202043113U One-way transmission path for optical fiber
11/16/2011CN202043112U Wireless high-speed omnibearing laser communication equipment
11/16/2011CN202043111U SFP (small form-factor pluggable) optical module
11/16/2011CN202043110U Full light generator for ultra wide band multi-cycle pulse signals
11/16/2011CN202043109U Automatic testing system of optical module integrated with transmission and reception
11/16/2011CN202043108U Radio-frequency optical receiving device
11/16/2011CN202042029U Optical fiber perimeter protection system with anti-removal warning function
11/16/2011CN1981463B Business connection set-up and business recovering protection method in optical network
11/16/2011CN1933373B Optical line terminal in a wavelength division multiplexing passive optical network
11/16/2011CN102246437A Communication system and method with signal constellation
11/16/2011CN102246436A Accessing device, system and method for fiber network
11/16/2011CN102246435A System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks
11/16/2011CN102246433A Complex optical modulation for real time communication
11/16/2011CN102246432A Visible-light communications system and method
11/16/2011CN102246058A Temperature compensation circuit for silicon photomultipliers and other single photon counters
11/16/2011CN102244778A Video signal transmission apparatus and identification information acquisition method for transmission system
11/16/2011CN102244635A Visible light communication system and method thereof
11/16/2011CN102244546A Communication system capable of eliminating non-linear influence of optical fiber in analogue optical communication
11/16/2011CN102244545A Method and device for regulating power