| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 09/16/2004 | US20040179472 Shared path protection method and system |
| 09/16/2004 | US20040178935 Optical signal processing system |
| 09/16/2004 | DE10309616A1 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 |
| 09/15/2004 | EP1458214A2 Passive optical network employing code division multiple acces |
| 09/15/2004 | EP1458127A2 Method of and apparatus for providing multi-wavelenght light source |
| 09/15/2004 | EP1458065A1 Three stage fiber amplifier with transient automatic gain or level control and input signal power detector |
| 09/15/2004 | EP1456981A1 Protected bidirectional wdm network |
| 09/15/2004 | EP1456977A2 Method and apparatus for optical wdm signal transmission using raman amplification |
| 09/15/2004 | EP1456976A1 Optical phase modulation |
| 09/15/2004 | CN1529451A Miniature vanadium dioxide photoswitch and preparing method thereof |
| 09/15/2004 | CN1529450A Optical brancking-complexing node device based on wavelength or waveband protection |
| 09/15/2004 | CN1529192A Method for manufacturing low double-refraction optical-fiber grating |
| 09/15/2004 | CN1529191A Dynamic reconstitutable optical duplexing model based on double-side-mirror optical switch |
| 09/15/2004 | CN1529188A Optical-wave-division duplexer/deduplexer based on 2-D distribution array wave-guide optical grating |
| 09/15/2004 | CN1167268C Method for communication access network and device for realizing such method and communication access network |
| 09/14/2004 | US6792215 Multiwavelength light source device employing annular optical delay circuit |
| 09/14/2004 | US6792211 Compact optical wavelength add/drop multiplexer |
| 09/14/2004 | US6792210 Hybrid optical add/drop multiplexing devices |
| 09/14/2004 | US6792209 Method and system for reducing non-linear cross talk in low dispersion optical fiber |
| 09/10/2004 | WO2004077716A1 Optical communication network system, wavelength routing apparatus, communication node, optical path managing method for use in optical cross connect apparatus, and apparatus for that method |
| 09/10/2004 | WO2004077715A1 Method and arrangement for the transmission of working signals and protection signals via optical data networks |
| 09/10/2004 | WO2004077701A1 Method and device for switching between active and auxiliary circuits for optical transmission |
| 09/10/2004 | WO2004077111A2 Adaptive optical transponder |
| 09/09/2004 | US20040175190 Optical interconnect |
| 09/09/2004 | US20040175188 Optical sources and transmitters for optical telecommunications |
| 09/09/2004 | US20040175180 Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light |
| 09/09/2004 | US20040175179 Self-adjusting optical add-drop multiplexer and optical networks using same |
| 09/09/2004 | US20040175178 Receiver transponder for protected networks |
| 09/09/2004 | US20040175177 Wavelength divison multiplexed passive optical network system |
| 09/09/2004 | US20040175176 System and method of space-time equalization to mitigate effects of fading and scintillation for wireless communication |
| 09/09/2004 | US20040175077 Pad architecture for backwards compatibility for bi-directional transceiver module |
| 09/09/2004 | US20040175071 Wdm ring network for flexible connections |
| 09/09/2004 | US20040174910 Packet transmission device and packet transmission system |
| 09/09/2004 | US20040174586 Optical amplifier |
| 09/09/2004 | US20040173731 DWDM channel detection system |
| 09/09/2004 | DE10307493A1 Determining network load in transparent optical transmission system involves determining occupancy probability per transmission path for each optical transmission channel in network nodes |
| 09/08/2004 | EP1455468A2 WDM optical transmission method and repeating apparatus for dispersion compensation |
| 09/08/2004 | EP1454446A2 Methods and devices to minimize the optical loss when multiplexing a plurality of tunable laser sources |
| 09/08/2004 | EP1454439A1 Signal transmission apparatus and a method of signal transmission |
| 09/08/2004 | EP1454437A2 Optical amplifier control in wdm communications systems |
| 09/08/2004 | EP1454436A1 Optical amplifier |
| 09/08/2004 | EP1454431A1 Optical wdm transmission system having a distributed arrangement of regenerators |
| 09/08/2004 | EP0796530B1 OPTICAL NxN WAVELENGTH CROSSCONNECT |
| 09/08/2004 | CN1527527A Optical relay transmitting method and relay for wave division multiplexing |
| 09/08/2004 | CN1527526A Dynamic channel power equalizing control device and method in optical network node |
| 09/08/2004 | CN1527525A Dynamic channel power equalizing control device and method in optical terminal of optical network |
| 09/08/2004 | CN1527524A Multi-wavelength light source generator and the optical amplifier testing method therewith |
| 09/08/2004 | CN1527508A Method for keeping mode locking state of Fabri-Pero laser and light source thereof |
| 09/08/2004 | CN1527119A Genetic algorithm design of Er-doping fiber and Er-doping fiber amplifier |
| 09/08/2004 | CN1166108C Transmission system and used station unit and long-distance unit in it |
| 09/08/2004 | CN1166103C Device for setting standard wave length in photo-signal channel monitoring module |
| 09/08/2004 | CN1166088C Method of tuneable add-drop multiplexer and arrangement thereof |
| 09/07/2004 | US6788900 System for checking the operation of an optical filter |
| 09/07/2004 | US6788899 Dynamic wavelength add/drop multiplexer for UDWDM optical communication system |
| 09/07/2004 | US6788896 Technique for all-optical packet switching |
| 09/07/2004 | US6788850 Configuration for multiplexing and/or demultiplexing the signals of at least two optical wavelength channels |
| 09/07/2004 | US6788837 Method and apparatus for interleaving and switching an optical beam in a semiconductor substrate |
| 09/02/2004 | WO2004075450A1 Method for determining the network load in a transparent optical transmission system |
| 09/02/2004 | WO2004013980A3 System for amplifying optical signals |
| 09/02/2004 | US20040172444 Wavelength path switching node apparatus and wavelength path allocation method |
| 09/02/2004 | US20040170439 Method and apparatus for an optical cdma system |
| 09/02/2004 | US20040170436 Dispersion managed optical transmission links for wavelength division multiplexed systems |
| 09/02/2004 | US20040170434 Optical amplifier, optical amplifying repeater and transmission apparatus of wavelength division multiplexed signal light using the same |
| 09/02/2004 | US20040170433 Survival dwdm system |
| 09/02/2004 | US20040170428 Optical transmitter system |
| 09/02/2004 | US20040170427 Method of assigning carrier frequencies in an optical transmission network |
| 09/02/2004 | US20040170426 Method and apparatus for dynamic provisioning of reliable connections in the presence of multiple failures |
| 09/02/2004 | US20040170366 Optical fiber and optical transmission line |
| 09/02/2004 | US20040170242 Method, a sender, a receiver, an optical network element and a serialized packet format for transmitting packets |
| 09/02/2004 | US20040170226 Method, apparatus and system for high-speed transmission on fiber optic channel |
| 09/01/2004 | EP1453239A1 Packet format with two different line codes and suitable receiver |
| 09/01/2004 | EP1453237A1 Method for carrier frequency assignment in an optical transmission network |
| 09/01/2004 | EP1453236A2 Optical communication system |
| 09/01/2004 | EP1453235A2 Optical communication system |
| 09/01/2004 | EP1453234A2 An optical communication system and method |
| 09/01/2004 | EP1453233A2 Method and apparatus for dynamic provisioning of reliable connections in the presence of multiple failures |
| 09/01/2004 | EP1453226A1 Optical communication system |
| 09/01/2004 | EP1451960A1 Methods of connecting and testing interfaces for cwdm fiberoptic systems |
| 09/01/2004 | EP1451954A2 Wavelength division multiplexing optical performance monitors |
| 09/01/2004 | EP1451953A1 An interface device for a fiberoptic communication network and methods of using such a device |
| 09/01/2004 | EP1153462B1 Wdm transmitter |
| 09/01/2004 | CN2638081Y Ultra narrow regulatable optical fibre laser used for concentrated wave multiplexing system |
| 09/01/2004 | CN2638078Y Electrolight tune flat top filter |
| 09/01/2004 | CN1526212A Method and system for tuning an optical signal based on transmission conditions |
| 09/01/2004 | CN1525665A Method and device for transmitting data in giga ethernet passive optical network |
| 09/01/2004 | CN1165135C Communication network, operating method thereof, node, and method for removing expired packets in communication network |
| 08/31/2004 | US6785473 WDM network and WDM network device |
| 08/31/2004 | US6785472 Broadband amplified WDM ring |
| 08/31/2004 | US6785446 Multi-channel optical equalizer for intersymbol interference mitigation |
| 08/31/2004 | US6785430 Method and apparatus for integrating an optical transmit module |
| 08/31/2004 | US6785225 Communication apparatus and communication system |
| 08/31/2004 | US6785043 Dispersion-compensated optical fiber amplifier |
| 08/31/2004 | US6785042 Slope control of gain wavelength of raman amplification |
| 08/31/2004 | US6783284 Optical module for wavelength reference measurement in WDM systems |
| 08/28/2004 | CA2459611A1 Optical communications access network architecture and method |
| 08/26/2004 | WO2004073242A2 Providing a service level guarantee in a communication network |
| 08/26/2004 | WO2004073225A1 Optical communication network system |
| 08/26/2004 | US20040165891 Low-loss, efficient hub ring networks and methods for their use |
| 08/26/2004 | US20040165889 Hybrid fiber to the home/fiber to the curb telecommunications apparatus and methods |
| 08/26/2004 | US20040165888 Optical network connection test apparatus and methods |