Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
11/2007
11/29/2007US20070274726 Cross-connector for optical signals in time-division multiplex technology
11/29/2007US20070274725 Optical transmission apparatus
11/29/2007US20070274724 Wavelength Selective Switch Design Configurations for Mesh Light-Trails
11/29/2007US20070274723 Optical network and amplifier node therefore
11/29/2007US20070274722 Method of Communicating for a Communication Apparatus
11/29/2007US20070274721 N-way broadcast / narrowcast combiner
11/29/2007US20070274720 Optical Network Unit Activation
11/29/2007US20070274719 Passive optical network rogue optical network unit diagnostics
11/29/2007US20070274718 Method and apparatus for communicating between a legacy pon network and an upgraded pon network
11/29/2007US20070274717 Broadband optical network apparatus and method
11/29/2007US20070274716 Methods and apparatus to provide local warning of a low battery condition from an optical network terminal
11/29/2007US20070274715 Node for an Optical Communication Network
11/29/2007US20070274714 Optically multiplexed imaging system and methods of operation
11/29/2007US20070274202 Forward-looking tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing
11/29/2007US20070274200 Remote band scanning in multipoint-to-point orthogonal frequency division mulitiplexing communication
11/29/2007US20070273295 Electro-optical device and image forming apparatus
11/28/2007EP1860804A1 Pre-conditioning method for an amplifier gain control, optical access network, central station and terminal
11/28/2007EP1860803A1 Method and system for optical transmission signal level configuration
11/28/2007EP1279247B1 Wavelength-division multiplexing optical transmission system
11/28/2007EP1214762A4 Method and apparatus for filtering an optical beam
11/28/2007CN200983593Y Passive optical network system based on wave division multiplexing technology
11/28/2007CN200983592Y Wave division multiplexing passive optical network system
11/28/2007CN101079680A Full optical serial multicast module based on multi-level buffer share and its multicast method
11/28/2007CN101079679A Optical multiplex communication system and delay quantity adjustment method
11/28/2007CN100352187C Wavelength converter and optical cross-connect system using the same
11/27/2007US7302189 Optical component provided with demultiplexing function and wavelength dispersion compensator
11/27/2007US7302183 Gain tilt compensators and their systems
11/27/2007US7302182 Methods and apparatus for sensing multiple wavelengths simultaneously in a single wavelength sensing device
11/27/2007US7302181 Single lens multiple light source device
11/27/2007US7302180 Dual homing for DWDM networks in fiber rings
11/27/2007US7302179 Optical performance monitor using co-located switchable fiber bragg grating array
11/27/2007US7302178 System and method for measuring power of optical signals carried over a fiber optic link
11/27/2007US7302176 Optical network
11/27/2007US7302138 Arrayed waveguide grating device
11/27/2007US7302134 Wavelength selective switch with a 2D arrangement of optical ports
11/27/2007US7301973 Method and unit for setting a wavelength to a tunable laser
11/27/2007US7301970 Apparatus for executing multi-point control protocol in Ethernet passive optical network
11/27/2007US7301896 Redundant changeover apparatus
11/22/2007WO2007133066A2 Interferometric element, interferometric n-stage tree element, and method of processing a first optical input signal and a second optical input signal so as to provide a plurality of orthogonal output signals
11/22/2007WO2007133000A1 Passive optical network based on reflective semiconductor optical amplifier
11/22/2007WO2007132503A1 Optical electric field receiver, optical multilevel signal receiver, and optical transmission system
11/22/2007WO2007056713A3 An optical network
11/22/2007WO2006083527A3 Sideband filtering of directly modulated lasers with feedback loops in optical networks
11/22/2007WO2005074498A3 Method and system for design and routing in transparent optical networks
11/22/2007US20070269215 Wavelength-division-multiplexing optical transmission system and control method thereof
11/22/2007US20070269214 Photonic integrated circuit device and elements thereof
11/22/2007US20070269213 Single Fiber Passive Optical Network Wavelength Division Multiplex Overlay
11/22/2007US20070269211 Multiple port symmetric reflective wavelength-selective mesh node
11/22/2007US20070269210 Multiple port symmetric transmissive wavelength-selective mesh node
11/22/2007US20070269209 Determination of the Amplified Spontaneous Emission in an Optical Fibre Amplifier
11/22/2007US20070268537 Optical processing
11/22/2007DE102006007558A1 Network has four network node, which are linked with three network paths, and two of three network paths are linked to four network nodes, and two of four network nodes are linked by additional direct number of network paths
11/21/2007EP1856828A2 Sideband filtering of directly modulated lasers with feedback loops in optical networks
11/21/2007EP1856568A2 Apparatus for forming a wdm signal having orthogonally polarized optical channels
11/21/2007EP1766820B1 Optical path feasibility in an optical communication network
11/21/2007EP1391064B8 Wavelengh control using dither modulation and feedback
11/21/2007CN200980079Y A single-fiber and di-directional wavelength division multiplexing device
11/21/2007CN101076961A Communications method, particularly for mobile radio network
11/21/2007CN101076792A Method and device for fiber-optical channel public transmission secret protection
11/21/2007CN101075854A Method and apparatus for realizing hybrid passive optical network based on WDM and TDM
11/21/2007CN101075852A Downlink structure of millimeter wave optical fibre transmission system and method for generating millimeter wave and modulating information
11/21/2007CN101075006A Asymmetric mach-zehnder interferometer having a reduced drive voltage coupled to a compact low-loss arrayed waveguide grating
11/21/2007CN100350297C Multiple laser beam recombiner
11/21/2007CN100350292C Two-dimensional micro-electromechanical optical switch using shuffle Benes interstage join rule and method thereof
11/21/2007CN100350287C Single fiber multiple wave-length division multiplexer based on wave guide grating
11/20/2007US7298976 Bi-directional optical cross-connect device
11/20/2007US7298975 Synchronous collapsed ring architecture for real-time signal switching and distribution
11/20/2007US7298974 Optical communication network system
11/20/2007US7298973 Architecture, method and system of multiple high-speed servers to network in WDM based photonic burst-switched networks
11/20/2007US7298972 Optical switch and a control method thereof
11/20/2007US7298971 Hybrid optical ring-mesh protection in a communication system
11/20/2007US7298934 Optical fiber and method of measuring polarization mode dispersion of optical fiber
11/20/2007US7298704 Dynamic path routing with service level guarantees in optical networks
11/20/2007US7298540 Equalizing optical wavelength routers
11/20/2007CA2438609C Optically amplified back-up receiver
11/15/2007WO2007129993A1 Wdm-based sensor system and sensor interrogation system
11/15/2007WO2007128649A1 Method of operating a communication system and communication system for implementing such a method
11/15/2007WO2007128186A1 A data communication network system in optical network and realizing method thereof
11/15/2007WO2007065070A3 Adaptive preamble adjustment for burst-mode optical systems
11/15/2007WO2006088566A3 Hdsl optical fiber transmission system and method
11/15/2007WO2003027753A3 Itu frequency/wavelength reference
11/15/2007US20070264029 Delay interferometer and demodulator
11/15/2007US20070264018 Optical network design method
11/15/2007US20070264017 PON system and Optical Network Unit
11/15/2007US20070264016 Method and apparatus for rogue tolerant ranging and detection
11/15/2007US20070264015 Uniform Switching System and Method for Synchronous Optical Network and Optical Transport Network
11/15/2007US20070264013 Optical communication system
11/15/2007US20070264008 Method and System for hybrid Protection in Optical Networks
11/15/2007US20070263665 Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems
11/15/2007CA2650901A1 A system and method for pushing conditional message data between a client device and a server device in an internet protocol television network
11/14/2007EP1855407A2 Reconfigurable optical add/drop multiplexing device comprising wideband optical input/output interfaces
11/14/2007EP1855396A1 An equipment for collectively monitoring a wavelength in dwdm system and a method thereof
11/14/2007EP1855132A2 Trimmable optical add/drop multiplexer devices
11/14/2007EP1854229A2 Phase chip frequency-bins optical code division multiple access
11/14/2007EP1425866B1 Generation of a sub-carrier modulated optical signal through electro-optical conversion of a Manchester encoded signal
11/14/2007EP1279056A4 Optical switching system with power balancing
11/14/2007CN101072070A Method for generating low duty ratio optical data packet signal
11/14/2007CN100349390C Method for transmitting low-speed service signal in optical transport network and its device
11/13/2007US7295783 Digital optical network architecture
11/13/2007US7295780 Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light
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