Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
10/2007
10/18/2007US20070242958 Optical Space Transmitter and Optical Space Transmission Method for Wavelength-Multiplexed Light
10/18/2007US20070242954 System and method for monitoring transmissions within a passive optical network
10/18/2007US20070242953 Multi-Unit Wavelength Dispersive Device
10/18/2007US20070242919 MONOLITHIC TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) WITH INTEGRATED OPTICAL COMPONENTS IN CIRCUIT SIGNAL CHANNELS
10/18/2007US20070242918 Transmitter Photonic Integrated Circuits (TxPICs) with Directly Modulated Lasers and Wavelength Selective Combiners
10/18/2007US20070242706 Tunable Laser Source with Optical Wavelength Addressing
10/18/2007US20070242684 Packet Communication Network and Packet Communication Method
10/18/2007US20070242625 Method and System for a Distributed Wavelength (Lambda) Routed (Dlr) Network
10/18/2007US20070242597 Scanning by remotes in multipoint-to-point communication using orthogonal frequency division multiplexing
10/18/2007DE10227428B4 Vorrichtung zum Multiplexen und/oder Demultiplexen optischer Datenkanäle und Koppelanordnung für eine solche Vorrichtung An apparatus for multiplexing and / or demultiplexing optical data channels and switching arrangement for such a device
10/17/2007EP1844566A1 Method for optically transmitting polarisation multiplex signals
10/17/2007EP1844565A2 Capacity management system for passive optical networks
10/17/2007EP1486017B1 Procedure for sorting flows in a transport network carrying circuit data flows
10/17/2007EP1354431B1 Rf bidirectional optical transmission
10/17/2007EP1120925B1 Optical amplification repeater and optical amplification repeating and transmitting system
10/17/2007CN101057425A Optical modulation method and system in wavelength locked FP-LD by injecting broadband light source using mutually injected FP-LD
10/17/2007CN101056155A Optical source concentrated wave division multiplexing passive optical network for simultaneously generating the DPSK and OOK signals
10/17/2007CN101056154A A novel scheme and system for generating high-frequency DWDM optical millimeter wave signals and wave length recycle
10/17/2007CN101056153A Wave division multiplexer
10/17/2007CN101055338A Wave-guide optical switch integrated with light field spot-size converter and its method
10/17/2007CN100344086C 光学放大器 Optical amplifiers
10/16/2007US7283753 System and method for WDM communication with interleaving of optical signals for efficient wavelength utilization
10/16/2007US7283750 System and method for setting a tunable filter in an optical network
10/16/2007US7283749 Fiber and wire communication system
10/16/2007US7283748 Self-healing wavelength division multiplexing-passive optical network system
10/16/2007US7283747 Optical switch router
10/16/2007US7283746 Optical virtual local area network
10/16/2007US7283745 Methods and apparatus for constructing switch arrays for routing of optical signals so as to minimize power dissipation
10/16/2007US7283744 Performance monitoring based on optical autocorrelation
10/16/2007US7283743 Systems and methods for active monitoring and management of fiber links
10/16/2007US7283742 Optical signal judging system and optical signal judging method
10/16/2007US7283741 Optical reroutable redundancy scheme
10/16/2007US7283694 Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs
10/11/2007WO2007112548A1 Planar lightwave filter with mixed diffraction elements
10/11/2007US20070237525 Systems and methods for modular capturing various communication signals
10/11/2007US20070237524 Optical Switching Architectures for Nodes in WDM Mesh and Ring Networks
10/11/2007US20070237523 Method and apparatus for diagnosing problems on a time division multiple access (TDMA) optical distribution network (ODN)
10/11/2007US20070237182 Contention-based access in multipoint-to-point communication using orthogonal frequency division multiplexing
10/11/2007US20070237070 Methods for contention-based bandwidth requests in orthogonal frequency division multiplexing systems
10/11/2007US20070237066 Systems for contention-based bandwidth requests in orthogonal frequency division multiplexing systems
10/11/2007CA2646686A1 Planar lightwave filter with mixed diffraction elements
10/10/2007EP1536259B1 Optical transmission system, optical multiplexing transmission system, and related peripheral techniques
10/10/2007EP1391064B1 Wavelengh control using dither modulation and feedback
10/10/2007CN101053205A Efficient protection mechanisms in a ring topology network utilizing label switching protocols
10/10/2007CN101051879A Method and device for multiplying and de-multiplying low speed service
10/10/2007CN101051868A Tunable optical add/drop multiplexer
10/10/2007CN101051163A 2X2 wave length selecting cross connector
10/10/2007CN100342677C Passive optical fiber net of loop of multiple wave length light generated by utilizing central location
10/10/2007CN100342676C Optical wave-division complexing/decomplexing apparatus with optical power detection
10/10/2007CN100342675C Daisy chain wave-division shared apparatus and daisy chain wave-division multiplexing system and transmission network
10/10/2007CN100342674C 光学分插滤光器 Drop optical filters
10/10/2007CN100342254C Fabry-Perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same
10/09/2007US7280768 Method and system for handling optical signals
10/09/2007US7280763 Terminal apparatus and controlling method for optical output power
10/09/2007US7280762 Optical communication system having dynamic gain equalization
10/09/2007US7280761 Device and method for setting add signal level for OADM system
10/09/2007US7280760 Upgradeable optical add/drop multiplexer
10/09/2007US7280759 Optical transmission system, optical multiplexer, and optical demultiplexer
10/09/2007US7280758 Optical multi-ring network for burst data communication
10/09/2007US7280757 Metropolitan networks based on fiber and free space access distribution system
10/09/2007US7280756 Optical signal transmission system, optical signal transmitter, optical signal receiver, method of transmitting optical signal and method of receiving optical signal
10/09/2007US7280755 Highly utilizable protection mechanism for WDM mesh network
10/09/2007US7280754 Two-fiber optical ring network
10/09/2007US7280720 Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer
10/09/2007US7280719 Wideband optical module and PON using the same
10/09/2007US7280470 Ring network for sharing protection resource by working communication paths
10/09/2007CA2353654C Circuitry for mixed-rate optical communication networks
10/04/2007WO2007092361A3 A wavelength upgrade for passive optical networks
10/04/2007WO2007081747A3 A distribution node for an optical network
10/04/2007US20070230970 Transmission Device, Reception Device, Signal Transmission Device, and Signal Transmission Method
10/04/2007US20070230968 Optical transmission apparatus
10/04/2007US20070230964 Optical pickup device and optical information recording/reproducing device
10/04/2007US20070230961 Relay node in optical networks
10/04/2007US20070230960 Multi-band hybrid SOA-raman amplifier for CWDM
10/04/2007US20070230959 Optical communication device
10/04/2007US20070230958 Method and System for Maintenance of a Passive Optical Network
10/04/2007US20070230957 Station-side apparatus of wavelength multiplexing PON system, wavelength and network address allotting method and program thereof
10/04/2007US20070230956 Channel switching system and method of IPTV service in passive optical network
10/04/2007US20070230954 Optical-switch testing apparatus, optical-signal switching apparatus, optical-switch testing method, and control method for optical-signal switching
10/04/2007US20070230953 Optical communication device
10/04/2007US20070230865 Optical Switches and Actuators
10/04/2007US20070230862 Module to couple to an electrical and an optical backplane in a chassis
10/04/2007US20070230325 Method and system for training sequences
10/04/2007US20070229941 Optical amplifier
10/03/2007EP1841114A1 Station-side apparatus of wavelength multiplexing PON system, wavelength and network address allotting method and program thereof
10/03/2007EP1841103A1 Optical transmission system
10/03/2007EP1709468A4 Integrated optical multiplexer and demultiplexer for wavelength division transmission of information
10/03/2007CN101048981A Fibre channel transparent switch for mixed switch fabrics
10/03/2007CN101047464A Controlled multicast method and system for wave complex optical network
10/03/2007CN101047463A Multi-channel wavelength space decomplex film device based on two-end thickness decreasing structure
10/03/2007CN101047449A Waveguide-optical fibre automatic core regulating method and device based on multi-target evolution algorithmic
10/03/2007CN101047441A Residual dispersion real-time detection system and method
10/03/2007CN100341263C Cascade odd-even signal separator
10/02/2007US7277648 Network element for use in an optical communication network, in particular a DWDM communication network
10/02/2007US7277644 Fade-resistant forward error correction method for free-space optical communications systems
10/02/2007US7277640 Optical add/drop multiplexing systems
10/02/2007US7277639 Bi-directional optical add/drop multiplexer for WDM optical networks
10/02/2007US7277638 Add-drop-multiplexer and optical wavelength division multiplex transmission system
10/02/2007US7277637 Fiber to the home broadband home unit
10/02/2007US7277636 Optical communication apparatus and methods using pulses having modified propagation speeds