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)
07/2008
07/09/2008CN101217412A A method of optical network terminal batch grading in passive optical network system on gigabit Ethernet
07/09/2008CN101217319A A gain controllable two-segment erbium-doped optical fiber amplifier
07/09/2008CN101217318A A frequency multiplication millimeter wave generation and simplification device based on optics four-wave mixing effect
07/09/2008CN101217317A A millimeter wave generation method and system with single phase modulator
07/09/2008CN101217316A An OFDM optical fiber wireless communication system based on phase modulator
07/09/2008CN101217315A A collocation method and system of alarming shielding
07/09/2008CN101217314A A method realizing optical transmission system performance management optimization
07/09/2008CN101217313A A fault diagnosis method applied OTDR passive optical network optical fiber
07/09/2008CN101217312A An optical interface test fixture, test method and system
07/09/2008CN101217311A A testing device and method with passive optical network optical line terminal
07/09/2008CN101217310A Optical power measuring device and method
07/09/2008CN101217287A Information memory
07/09/2008CN101216653A Spatial laser communication all optical signal intensity equalizing device
07/09/2008CN101216582A Miniaturized single fiber bidirectional device based on plane light wave-guide branch structure
07/09/2008CN100401688C Automatic restoring detection method for optical communication system, automatic restoring method and device
07/09/2008CN100401672C Optical communication system and receiving apparatus
07/09/2008CN100401662C Tunable dispersion compensator
07/09/2008CN100401661C Optical fibre fault monitoring and positioning system for communication network and method thereof
07/09/2008CN100401137C Active/passive monolithically integrated channel filtering polarization splitter
07/08/2008USRE40425 Optical interface devices having balanced amplification
07/08/2008US7398450 Parallel precoder circuit
07/08/2008US7398023 Method and apparatus for bias and alignment control in an optical signal transmitter
07/08/2008US7398022 Optical return-to-zero phase-shift keying with improved transmitters
07/08/2008US7398021 Optical transmitter and passive optical network using the same
07/08/2008US7398019 Control apparatus and control method of optical signal exchanger
07/08/2008US7398018 Optical transmission equipment
07/08/2008US7397981 Apparatus and method of compensating for wavelength dispersion of optical transmission line
07/08/2008US7397979 Coherent optical detector and coherent communication system and method
07/08/2008US7397600 Laser pulse multiplier
07/08/2008US7397599 Doped-ring amplifying optical fiber, and an amplifier containing such a fiber
07/08/2008US7396166 Optical transceiver module
07/08/2008CA2380121C Differential dense wavelength division multiplexing (ddwdm) in optical systems
07/03/2008WO2008080077A1 Method and apparatus to facilitate transmitting data using multiple optical data streams
07/03/2008WO2008080071A1 Method and apparatus to facilitate multiplexing light in a shared optical conduit
07/03/2008WO2008079791A1 Independent upstream/downstream bandwidth allocations in a common hybrid telecommunications network
07/03/2008WO2008079392A1 Network fault detection and protection switching
07/03/2008WO2008079338A2 Dual-lensed unitary optical receiver assembly
07/03/2008WO2008078819A1 Optical access network, remote device, optical communication method, and optical communication program
07/03/2008WO2008078309A2 Optical signal processing
07/03/2008WO2008078147A1 Signal processor for compensating for optical fiber chromatic dispersion
07/03/2008WO2008078130A1 Optical transmission system with optical chromatic dispersion compensator
07/03/2008WO2008077572A1 Method and device for cavity enhanced optical vernier spectroscopy
07/03/2008WO2008077280A1 A method and device for supporting optical transmission network service dispatch in optical synchronization network
07/03/2008WO2008077195A1 Lens configurations for optical touch systems
07/03/2008WO2008051388A3 Method and apparatus for fiber optic signature recognition
07/03/2008WO2008048596A3 Photonic-interconnect systems for reading data from memory cells and writing data to memory integrated circuits
07/03/2008WO2008037573A3 Transceivers with an insertion counter
07/03/2008WO2008005958A3 Communication system for video and bidirectional data transmission between a cable head-end and a plurality of subscribers using a smart multitap
07/03/2008US20080159758 Optical orthogonal frequency division multiplexed communications with coherent detection
07/03/2008US20080159757 Receiver For Optical Communications, Comprising a Nonlinear Equaliser
07/03/2008US20080159756 Configurable post-amplifiers that are capable of being configured to perform either substantially linear or limiting amplification for use in optical receivers
07/03/2008US20080159755 Optical signal receiving apparatus
07/03/2008US20080159754 Modulation Light Signal Generating Device and Fsk Modulation Signal Generating Device
07/03/2008US20080159753 Optical transmission system with automatic signal level adjustment and startup functions
07/03/2008US20080159752 Fiber optical communications systems employing phase incoherent sources
07/03/2008US20080159751 Optical transmission using semiconductor optical amplifier (SOA)
07/03/2008US20080159749 Optical communication system and optical transmitting apparatus for the same
07/03/2008US20080159748 Optical transmission system
07/03/2008US20080159747 Integral Phase Rule for Reducing Dispersion Errors in an Adiabatically Chirped Amplitude Modulated Signal
07/03/2008US20080159746 Optical Signal Distribution Assembly With Optical Connector Holder
07/03/2008US20080159745 Method and apparatus for assigning communication nodes to CMTS cards
07/03/2008US20080159744 System and method for a subscriber-powered network element
07/03/2008US20080159743 Method and system for controlling remote in a TDD optical repeater
07/03/2008US20080159741 System, Method and Apparatus for Polarization Mode Dispension Compensation and Demultiplexing Polarization Multiplexed Signals
07/03/2008US20080159739 Polarization mode dispersion compensator, polarization mode dispersion compensating method, and its application to optical communication system
07/03/2008US20080159738 Identifiable fibers optics
07/03/2008US20080159737 Transceivers for testing networks and adapting to device changes
07/03/2008US20080159736 Light Source Device, Illuminating Device, Monitoring Apparatus, and Projector
07/03/2008US20080159735 Bi-Directional Ring Network Having Minimum Spare Bandwidth Allocation And Corresponding Connection Admission Control
07/03/2008US20080159171 Method and system for creating and implementing zones within a fibre channel system
07/03/2008US20080158658 Distributed Raman amplifier and WDM optical transmission system
07/03/2008US20080158657 Raman amplifier and excitation light source used thereof
07/03/2008US20080158644 Polarization scrambler apparatus, transmission apparatus, repeating installation and polarization scrambler method
07/03/2008US20080158640 Optical apparatus utilizing modulation based on a tertiary drive signal, optical transmitter, and optical transmission system
07/03/2008DE112006002462T5 Optischer Sender/Empfänger mit anwendungsspezifischem Protokollierungsmechanismus Optical transmitter / receiver with application-specific logging mechanism
07/03/2008DE10228145B4 Verfahren und Vorrichtung zur Überwachung einer optischen Verbindung Method and device for monitoring of an optical link
07/03/2008DE102007008321A1 Optical rotary transmitter for e.g. computer scanner, has carriage with surface provided as bearings against rotor, air channel for guiding of air to surface, and adapter for supplying air into channel by connecting piece
07/03/2008DE102006059613A1 Opto-electronic assembly, comprises opto-electronic sub-module and opto-electronic component, which is arranged in plastic housing and has two electrical contact areas
07/03/2008CA2673252A1 Network fault detection and protection switching
07/02/2008EP1940194A2 Optical trasmission system
07/02/2008EP1940106A1 Infrared communication apparatus and infrared communication method
07/02/2008EP1940052A1 Method and apparatus for controlling a semiconductor optical amplifier for use in a passive optical network
07/02/2008EP1940051A1 A method for operating pon user terminal and a pon user terminal
07/02/2008EP1940050A1 Monitoring control light transmission method and wavelength multiplex transmission device in wavelength multiplex transmission system
07/02/2008EP1938489A1 A wavelength-division multiplexed passive optical network for reducing degradation in noise characteristic of wavelength-locked fabry-perot laser diodes
07/02/2008EP1938481A1 Method and system for synchronising an optical transmitter with an optical modulator
07/02/2008EP1938480A1 Optical receiver scheme with all-optical decision element
07/02/2008EP1938479A1 Optical device for generating and modulating thz and other high frequency signals
07/02/2008EP1938478A1 Apparatus for monitoring failure positions in wavelength division multiplexing-passive optical networks and wavelength division multiplexing-passive optical network systems having the apparatus
07/02/2008EP1847043A4 Multi-wavelength optical cdma with differential encoding and bipolar differential detection
07/02/2008EP1714394A4 Ultra-wideband communication through a power grid
07/02/2008EP1623525A4 Method and apparatus for use in a communication system
07/02/2008EP1587225B1 Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarisation-scrambled heterodyning
07/02/2008EP1500218B1 Chromatic dispersion measurement and compensation
07/02/2008CN201081851Y Micro single fiber two-way transceiver
07/02/2008CN101213776A 光波长多路接入系统 Optical wavelength multiplexing access system
07/02/2008CN101213775A Dpsk modulation/demodulation method, and optical communication device and system using the method
07/02/2008CN101213774A 3D positioning devices
07/02/2008CN101213479A Gigabit Ethernet longwave optical transceiver module having amplified bias current
07/02/2008CN101212819A Flow forecast based periodical and adaptive convergence method and system