Patents
Patents for H04J 14 - Optical multiplex systems (27,009)
11/2007
11/13/2007US7295779 Wavelength division-multiplexing optical transmission system
11/13/2007US7295778 Wavelength division multiplexed passive optical network system
11/13/2007US7295777 Optical/radio local access network
11/13/2007US7295776 Optical LAN device
11/13/2007US7295775 Method and a system for monitoring the transmission of optical signals
11/13/2007US7295744 Frequency-selective light coupler-decoupler device
11/13/2007US7295738 System and method for performing dispersion compensation
11/13/2007US7295373 Power polarization beam combiner and its applications in fiber communication
11/08/2007WO2007124581A1 Method and system for controlling optical networks
11/08/2007WO2006067786A3 System, device and method of expanding the operational bandwidth of a communication infrastructure
11/08/2007US20070258717 Optical device and wavelength conversion method and optical fiber suitable for them
11/08/2007US20070258716 System and Method for Seamless Integration of CWDM and DWDM Technologies on a Fiber Optics Infrastructure
11/08/2007US20070258715 Modular, Easily Configurable and Expandible Node Structure for an Optical Communications Network
11/08/2007US20070258714 Wavelength division multiplexed optical communication system with rapidly-tunable optical filters
11/08/2007US20070258713 Subcarrier multiplexing type optical communication method and passive optical network using the same
11/08/2007US20070258678 Wavelength selective and level adjusting optical device
11/08/2007DE10312500B4 Anordnung zum Multiplexen und/oder Demultiplexen optischer Signale einer Mehrzahl von Wellenlängen Arrangement for multiplexing and / or demultiplexing optical signals of a plurality of wavelengths
11/07/2007EP1851882A1 System and method for generating optical return-to-zero signals with differential bi-phase shift
11/07/2007EP1851513A1 Matrix time division multiplex (mtdm) interrogation
11/07/2007EP1606894B1 Optical transmission system
11/07/2007EP1451960B1 Methods of connecting and testing interfaces for cwdm fiberoptic systems
11/07/2007EP1356621B1 Grooming of channels in wavelength division multiplexed optical communication systems
11/07/2007CN200972514Y Plane array waveguide raster type closed wave division multiplexer
11/07/2007CN101068136A Optical communication multichannel multiplexing method and system based on chromatic dispersion matching
11/07/2007CN101068129A Method for realizing broadcasting and/or group broadcasting business in WDM-PON and system thereof
11/07/2007CN100347977C Timing circuit of multiplex/demultiplex optical communicating signal
11/06/2007US7292792 High speed modulation of optical subcarriers
11/06/2007US7292786 Method and system for a re-configurable optical multiplexer, de-multiplexer and optical add-drop multiplexer
11/06/2007US7292785 Optical transmission system constructing method and system
11/06/2007US7292784 High speed optical routing apparatus and method
11/06/2007US7292755 Optical resonator formed in a planar optical waveguide with a distributed optical structure
11/06/2007US7292744 Optical connection device and optoelectronic hybrid apparatus including the same
11/06/2007CA2371026C A node and method for processing high priority transit packets in an optical communications network
11/01/2007WO2007121528A1 Method for designing optimised multi-channel grating structures
11/01/2007WO2007064238A8 Controllable multi-channel optical add/drop multiplexer
11/01/2007US20070253718 Optical Add/Drop Amplification Device
11/01/2007US20070253713 Solar Blind Ultraviolet Communication System for Unattended Ground Sensor Network
11/01/2007US20070253711 Processing of optical performance data in an optical wavelength division multiplexed communication system
11/01/2007US20070253506 Cdma transmission apparatus and cdma transmission method
11/01/2007US20070253500 Method for multiple use subchannels
11/01/2007US20070253323 Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
11/01/2007US20070253322 System for multiple use subchannels
10/2007
10/31/2007EP1850519A2 Optical network design method
10/31/2007EP1356619B1 Method and electro-optical circuit arrangement for line protection in a wdm data transmission link
10/31/2007EP1216532B1 Connection of an add/drop node
10/31/2007DE10054372B4 Baugruppe zum Multiplexen und/oder Demultiplexen optischer Signale Assembly for multiplexing and / or demultiplexing optical signals,
10/31/2007CN101065979A Systems and methods for optical switching to colourless ports and coloured ports
10/31/2007CN101064583A Tunable OADM module
10/31/2007CN101064568A Method and system for configuring electric relay
10/31/2007CN100346619C Light burst/grouping switching structure without team head block
10/31/2007CN100346588C System of dual fibers two-way channel/multiplexing segment rotating loop for wavelength division multiplexing optical network
10/30/2007US7289740 WDM regenerated transmission system
10/30/2007US7289735 Apparatus for emitting light with controllable degree of polarization
10/30/2007US7289734 Method and system for multi-level power management in an optical network
10/30/2007US7289733 High reflection isolation optical devices and the method for making the same
10/30/2007US7289732 Broadcast/communication unified passive optical network system
10/30/2007US7289731 Optical network termination with automatic determination of geographic location
10/30/2007US7289730 Optical path communication network, node, and optical path setup method
10/30/2007US7289728 Use of variable ratio couplers for network protection and recovery
10/30/2007US7289708 Method and system for the controlled production of polarization mode dispersion
10/30/2007US7289689 Combinatorial polarization scramblers for many segment PMD emulator
10/30/2007US7289437 System and method for routing stability-based integrated traffic engineering for GMPLS optical networks
10/30/2007US7289262 Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element
10/30/2007CA2431317C Fiber optic system including digital controller for fiber optic tunable filter and associated methods
10/25/2007WO2007121101A2 Fibre channel over ethernet
10/25/2007WO2007119910A1 Apparatus and method for transferring optical data in optical switching system
10/25/2007WO2007118385A1 Method for multiplexing and demultiplexing optical wavelengths in the dwdm optical communication system
10/25/2007WO2007064241A8 Controllable optical add/drop multiplexer
10/25/2007WO2007064240A8 Dynamically functional multi-channel controllable optical add/drop multiplexer
10/25/2007WO2002060100A3 Method and system for switching and routing, while logically managing and controlling, multichannel optical signals
10/25/2007US20070248361 Polarization scrambler, optical add/drop multiplexer, optical route switching apparatus and wavelength division multiplexing optical transmission system
10/25/2007US20070248299 Monolithic Transmitter Photonic Integrated Circuit (TxPIC) Semiconductor Chip
10/25/2007US20070248146 Methods and systems for tone hopping
10/25/2007US20070248119 Transmission system
10/25/2007US20070248001 Method and system for forward-looking tone allocation
10/25/2007DE10240057B4 Optischer Multiplexer und Demultiplexer für optische Fasern mit großer numerischer Apertur Optical multiplexers and demultiplexers for optical fibers having a large numerical aperture
10/25/2007DE10046585B4 Modular erweiterbares optisches ADD-DROP-Modul Modular expandable Optical ADD-DROP module
10/24/2007EP1847043A2 Multi-wavelength optical cdma with differential encoding and bipolar differential detection
10/24/2007EP1846801A2 Long time aperture optical tapped delay line
10/24/2007EP1366588B1 A flexible wdm ring network
10/24/2007CN101060378A A wave division multiple transmission system and method
10/24/2007CN101060377A A wave coupling and splitting method in a dense wave division multiple transmission system
10/24/2007CN101060376A Optical pulse time spreader
10/24/2007CN101060375A A coherent light code division multiple access optical encoder and decoder
10/24/2007CN100345345C Single optical fibre bidirectional optical transmission system and single optical fibre bidirectional optical amplifier
10/24/2007CN100345026C Frost thawing type optical network switch
10/23/2007US7286771 Multi-channel optical transmitter incorporating a tunable optical signal source and method for transmitting a multi-channel optical signal
10/23/2007US7286765 Configurable optical signal processing device with wideband sources
10/23/2007US7286764 Reconfigurable modulator-based optical add-and-drop multiplexer
10/23/2007US7286763 Optical add/drop multiplexer having a banded channel configuration
10/23/2007US7286762 Apparatus with spread-pulse modulation and nonlinear time domain equalization for fiber optic communication channels
10/23/2007US7286761 Method of flexible multiple broadcast service delivery over a WDM passive optical network based on RF Block-conversion of RF service bands within wavelength bands
10/23/2007US7286760 Wavelength allocation in regional access network with optical add-drop multiplexers
10/23/2007US7286759 System and method for dynamic wavelength assignment in wavelength division multiplex ring networks
10/23/2007US7286758 Method for switching transmission route, and optical transmission device
10/23/2007US7286732 Distributed optical structures designed by computed interference between simulated optical signals
10/23/2007US7286564 Mapping arbitrary signals into SONET
10/23/2007US7286480 Method and system for design and routing in transparent optical networks
10/18/2007WO2007117945A1 Thermally tunable optical dispersion compensation devices
10/18/2007US20070245394 Training premable in multipoint-to-point communication using orthogonal frequency division multiplexing