| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 04/21/2005 | US20050084265 Method of allocating a resource in a multigranular telecommunications network |
| 04/21/2005 | US20050084263 Hybrid optical ring-mesh protection in a communication system |
| 04/21/2005 | US20050084262 Protected bidirectional wdm network |
| 04/21/2005 | US20050084207 Undersea branching unit for an undersea optical transmission system |
| 04/21/2005 | US20050084205 Wavelength division multiplexing system having built-in optical attenuator |
| 04/21/2005 | US20050084202 Monitoring of a laser source with front and rear output photodetectors to determine frontal laser power and power changes over laser lifetime |
| 04/20/2005 | EP1524782A2 Optical synchronisation arrangement |
| 04/20/2005 | CN1607412A Broad-band light source using a semiconductor optical amplifier |
| 04/20/2005 | CN1198420C Optical amplification device, optical emitting device, optical transferring system and optical amplification method |
| 04/20/2005 | CN1198412C Frequency distribution scheme having multiplexing signals on left and right side band filtering and transmission system thereof |
| 04/20/2005 | CN1198159C Miniaturized photosynthetic multiplexer |
| 04/19/2005 | US6882802 Modulator and method of modulating optical carrier with clock signal before or after the carrier is modulated with data pulse |
| 04/19/2005 | US6882801 Wavelength division multiplex optical star coupler, communication station, and optical transmission system |
| 04/19/2005 | US6882800 Optical switching system for switching opticals signals in wavelength groups |
| 04/19/2005 | US6882799 Multi-grained network |
| 04/19/2005 | US6882798 Optical transmission apparatus with an optimal routing and data transmitting capability and a method of determining an optimal route on optical transmission |
| 04/19/2005 | US6882771 Apparatus and method for providing gain equalization |
| 04/19/2005 | US6882765 Connection protection between clients and optical cross-connect switches |
| 04/19/2005 | US6882466 Optical amplifier |
| 04/14/2005 | WO2004109959A3 Intelligent wavelength division multiplexing systems based on arrays of wavelength tunable lasers and wavelength tunable resonant photodetectors |
| 04/14/2005 | US20050078964 System for compensating for chromatic dispersion and polarization mode dispersion |
| 04/14/2005 | US20050078960 Subscriber distribution network apparatus and subscriber line unit that facilitates connection to network switch |
| 04/14/2005 | US20050078959 Apparatus for switching optical channel overhead in optical supervisory channel of optical transport network system and apparatus for forwarding optical channel maintenance signal |
| 04/14/2005 | US20050078958 Optical csma/cd technique |
| 04/14/2005 | US20050078957 Optical network monitor |
| 04/14/2005 | US20050078933 Optical communication multiplex device for vehicle and communication method using same |
| 04/14/2005 | US20050078359 Broad-band light source using a semiconductor optical amplifier |
| 04/14/2005 | US20050078358 Wavelength division multiplexed optical amplifier |
| 04/14/2005 | US20050078356 WDM optical communication system capable of monitoring temperature |
| 04/14/2005 | US20050078355 Raman amplification repeater |
| 04/14/2005 | US20050078317 Synchronizing the filter wavelength of an optical filter with the wavelength of a swept local oscillator signal |
| 04/14/2005 | DE10343615A1 Netzknoten für ein optisches Nachrichtenübertragungsnetz Node for an optical communication network |
| 04/13/2005 | EP1522157A2 Distributed raman amplifier for optical network and method |
| 04/13/2005 | EP1430629B1 Method and apparatus for transmission of upstream data in an optical network |
| 04/13/2005 | EP1057073B1 Tunable optical add/drop multiplexer |
| 04/13/2005 | EP0878079B1 Self-healing network |
| 04/13/2005 | CN1606267A Optical communication multiplex device for vehicle and communication method using same |
| 04/13/2005 | CN1606190A Dynamic tunable optical multiplexer composed of tellurium dioxide acoustic-optical tunable filter |
| 04/13/2005 | CN1197319C Multi-carrier individual access communication system |
| 04/12/2005 | US6879762 Optical transmission line and optical transmission system using optical transmission line |
| 04/12/2005 | US6879742 Using intensity and wavelength division multiplexing for fiber Bragg grating sensor system |
| 04/12/2005 | US6879640 Method, apparatus and system for high-speed transmission on fiber optic channel |
| 04/12/2005 | US6879619 Method and apparatus for filtering an optical beam |
| 04/12/2005 | US6879434 Distributed raman amplifier for optical network and method |
| 04/12/2005 | US6878958 Vertical cavity surface emitting laser with buried dielectric distributed Bragg reflector |
| 04/12/2005 | CA2350864C Optical connection arrangements |
| 04/12/2005 | CA2340062C Time-wavelength multiple access optical communication systems and methods |
| 04/07/2005 | WO2005032076A1 Path optimization method in optical network and light transmission node for realizing path optimization |
| 04/07/2005 | WO2005032037A1 Phase-insensitive recovery of clock pulses of wavelength division multiplexed optical signals |
| 04/07/2005 | WO2005032023A1 Optical multi-channel demultiplexer comprising an individual optical circuit |
| 04/07/2005 | WO2005011169A3 Method and arrangement for the phase synchronization between several data signals for generating an optical otdm signal |
| 04/07/2005 | US20050074245 Differential encoder for an optical dqpsk modulator |
| 04/07/2005 | US20050074241 System and method for communicating optical signals between a data service provider and subscribers |
| 04/07/2005 | US20050074240 Wavelength-division-multiplexed passive optical network system using wavelength-seeded light source |
| 04/07/2005 | US20050074238 Apparatus and method for supporting quality of service in Ethernet passive optical network system |
| 04/07/2005 | US20050074205 Optical demultiplexer circuit and demultiplexer device and optical wavelength division multiplex circuit |
| 04/07/2005 | US20050074203 Device for multiplexing an array of optical channels, use for wavelength and add-drop multiplexing |
| 04/07/2005 | US20050074202 Optical path switching device and add/drop optical switch |
| 04/07/2005 | US20050074199 Optical coincidence gate |
| 04/07/2005 | US20050074037 Optical sub-carrier multiplexed transmission |
| 04/07/2005 | DE10339277A1 Verfahren zur Übertragung von Datenbursts über optische Datenkanäle Method for transmission of data bursts over optical data channels |
| 04/07/2005 | DE10338695A1 Add-drop device for wavelength multiplex signals has branching device for feeding through signals to other add-drop devices, signal combiner for receiving through signals from other add-drop devices |
| 04/06/2005 | EP1521410A1 Method of allocation of resources in a multi granularity network |
| 04/06/2005 | EP1520445A1 A path protection method for a wdm network and according node |
| 04/06/2005 | EP1520364A2 Wdm optical transmission system with passive hub |
| 04/06/2005 | EP1520194A1 Tunable optical filtering device and method |
| 04/06/2005 | CN1604580A High speed modulation of optical subcarriers |
| 04/06/2005 | CN1604514A System and method for optical transmission |
| 04/06/2005 | CN1604504A System and method for optically labeled packet transmission |
| 04/05/2005 | US6876781 Micro-nano scale hetrodyne wavelength division demultiplexing for microscopy/tomography having parallel data acquisition |
| 04/05/2005 | US6876475 Dual modulator wavelength-selective switch and equalizer |
| 03/31/2005 | WO2005029905A1 Node for an optical communication network |
| 03/31/2005 | WO2005029741A1 Optical network architecture for simultaneous transport of analog video signals and ethernet data |
| 03/31/2005 | WO2005029140A2 Coherent optical detector and coherent communication system and method |
| 03/31/2005 | US20050071484 Highly utilizable protection mechanism for WDM mesh network |
| 03/31/2005 | US20050069332 Optical communication apparatus by using subcarrier multiple access and method thereof |
| 03/31/2005 | US20050069330 System and method for optical transmission |
| 03/31/2005 | US20050069329 System and method for optically labeled packet transmission |
| 03/31/2005 | US20050069320 Mode-locked optical amplifier as a source for a wdm-WDM hierarchy architecture |
| 03/31/2005 | US20050069319 Passive optical network with optical fiber amplifier |
| 03/31/2005 | US20050069318 Ethernet passive optical network for integrating broadcast and communication based on time division multiplexing scheme |
| 03/31/2005 | US20050069317 Ethernet passive optical network accommodating real-time broadcast/image signals and being capable of providing security for broadcast/image signals |
| 03/31/2005 | US20050069316 Method of determining a spectal route for a given connection in an optical telecommunication network |
| 03/31/2005 | US20050069314 Method for planning or provisioning data transport networks |
| 03/31/2005 | US20050069248 Method and apparatus for balancing the power of optical channels traversing an optical add drop multiplexer |
| 03/31/2005 | US20050068914 Broadcasting and communication combining system based on Ethernet and method thereof |
| 03/31/2005 | US20050068887 High speed modulation of optical subcarriers |
| 03/31/2005 | US20050068649 Optical add/drop structures |
| 03/31/2005 | US20050068631 Variable polarization independent optical power splitter |
| 03/31/2005 | US20050068602 Optical add-filtering switching device |
| 03/31/2005 | US20050067388 Methods of and laser systems for link processing using laser pulses with specially tailored power profiles |
| 03/31/2005 | CA2538309A1 Optical network architecture for simultaneous transport of analog video signals and ethernet data |
| 03/30/2005 | EP1519616A2 Ethernet passive optical network integrating image broadcast and data communication based on time division multiplexing |
| 03/30/2005 | EP1519506A1 Wdm layer-based optical channel protecting device and the method thereof |
| 03/30/2005 | EP1519502A1 Passive optical WDM network with individual channel amplification |
| 03/30/2005 | EP1519500A1 System and method for optically labeled packet transmission |
| 03/30/2005 | EP1519499A1 System and method for generating multilevel coded optical signals |
| 03/30/2005 | EP1518366A1 Transparent flexible concatenation |
| 03/30/2005 | CN2689260Y Fixer of two-dimensional optical transmit-receive modular set |
| 03/30/2005 | CN1602598A Wavelength division multiplexing optical performance monitors |