| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 02/06/2003 | US20030025961 Broadcast and select all optical network |
| 02/06/2003 | US20030025957 Low cost, all electronic and unobtrusive method of implementing a wavelength supervisory channel for the control and management of individual and multiple wavelengths in an optical communication system |
| 02/06/2003 | US20030025956 Protected DWDM ring networks using wavelength selected switches |
| 02/05/2003 | EP1282255A1 System and method for automatic optimization of WDM optical communication systems |
| 02/05/2003 | EP1282253A1 Minimum contention distributed wavelength assignment in optical transport networks |
| 02/05/2003 | EP1282252A1 OSP hardened WDM network |
| 02/05/2003 | EP1281290A2 Transmission of data |
| 02/05/2003 | EP1281218A1 Method for controlling performance of optical amplifiers |
| 02/05/2003 | EP1281042A1 Multi-function optical system and assembly |
| 02/05/2003 | CN2534739Y Array wave guide optical grating |
| 02/05/2003 | CN1395694A Device for frequency band demultiplexing |
| 02/04/2003 | US6516112 Optical wavelength filter and demultiplexer |
| 02/04/2003 | US6516110 Optical cross-connector |
| 02/04/2003 | US6515777 Ring gain control in WDM optical signal transmission system |
| 02/04/2003 | US6515776 Optical device, terminal unit, and system for wavelength division multiplexing |
| 01/30/2003 | WO2003009510A1 Optical filtering by using an add-drop node |
| 01/30/2003 | WO2003009509A2 Control system for an agile optical network |
| 01/30/2003 | WO2003009508A1 Optical add/drop switch |
| 01/30/2003 | WO2003009438A2 Wavelength division multiplex optical wavelength converter |
| 01/30/2003 | WO2003009032A1 Method and apparatus for optical signal processing using an optical tapped delay line |
| 01/30/2003 | WO2002084900A3 3r regenerator with wavelength conversion |
| 01/30/2003 | WO2002045312A3 Method and device for transmitting data via optical waveguides |
| 01/30/2003 | WO2001086849A3 Optical polarization division multiplexer |
| 01/30/2003 | US20030023983 Cable television system with digital reverse path architecture |
| 01/30/2003 | US20030023709 Embedded controller and node management architecture for a modular optical network, and methods and apparatus therefor |
| 01/30/2003 | US20030021535 Tunable optical add/drop multiplexer |
| 01/30/2003 | US20030021525 Wavelength division multiplexing add-drop multiplexer using an optical tapped delay line |
| 01/30/2003 | US20030021300 Methods and systems for hybrid interfaces for optical communications |
| 01/30/2003 | US20030021027 Optical communication apparatus, optical communication information decoding method, optical switching system, and driving method for optical switching system |
| 01/30/2003 | US20030021013 Method for transmitting additional optical signals in the s-band |
| 01/30/2003 | US20030021010 Optical amplifying repeater apparatus and optical amplifying/repeating transmission system |
| 01/30/2003 | US20030021006 Optical device for wavelength interleaving or dissociation and optical switch |
| 01/30/2003 | US20030020994 Optical system and method in an optical system |
| 01/30/2003 | US20030020985 Receiver for high-speed optical signals |
| 01/30/2003 | US20030020984 Methods and apparatus for preventing deadbands in an optical communication system |
| 01/30/2003 | US20030020983 Error mitigation system using line coding for optical wdm communications |
| 01/30/2003 | US20030020982 Method of estanblishing communications in an all optical wavelength division multiplexed network |
| 01/30/2003 | US20030020981 Dense wavelength division multiplexing (DWDM) fiberoptic source |
| 01/30/2003 | US20030020980 Methods for equalization of a DWDM system |
| 01/30/2003 | US20030020977 Wavelength routing and switching mechanism for a photonic transport network |
| 01/30/2003 | CA2454631A1 Method and apparatus for optical signal processing using an optical tapped delay line |
| 01/30/2003 | CA2454101A1 Wavelength division multiplex optical wavelength converter |
| 01/29/2003 | EP1280294A1 Optical clock signal distribution system in wdm network |
| 01/29/2003 | EP1280293A1 Optical fiber communication apparatus and data decoding method using the apparatus based on a nonlinear optical effect |
| 01/29/2003 | EP1280290A1 Optical multiuser low latency reconfigurable communications network |
| 01/29/2003 | EP1279247A1 Wavelength-division multiplexing optical transmission system |
| 01/29/2003 | EP1279056A1 Optical switching system with power balancing |
| 01/29/2003 | CN1394028A Method and system for multiplying optical information transmission |
| 01/29/2003 | CN1394027A Remote-transmission in dispersion controlled optical communication system |
| 01/29/2003 | CN1394025A Loopback protector for light monitor channel |
| 01/29/2003 | CN1393709A Moisture-proof sealing method for optical fibre device |
| 01/29/2003 | CN1100274C Flat crossed group filter |
| 01/28/2003 | US6512615 Method and apparatus for wavelength multiplexing/demultiplexing |
| 01/28/2003 | US6512613 WDM transmission repeater, WDM transmission system and WDM transmission method |
| 01/28/2003 | US6512611 Method of deactivating protection fiber resources in optical ring networks |
| 01/23/2003 | WO2003007522A2 Optical pulse train generator |
| 01/23/2003 | WO2003007521A1 Wdm ring network for flexible connections |
| 01/23/2003 | WO2003007511A1 Optical system and method in an optical system |
| 01/23/2003 | WO2003007058A1 Optical device for subcarrier multiplexing |
| 01/23/2003 | WO2002073305A3 Reconfigurable optical device for wavelength division multiplexing networks |
| 01/23/2003 | WO2002045301A3 Optically amplified receiver |
| 01/23/2003 | US20030016912 Reducing insertion losses of a written in grating with mode coupling in the cladding |
| 01/23/2003 | US20030016911 Random access optical add/drop switch |
| 01/23/2003 | US20030016701 Distributed block frequency converter |
| 01/23/2003 | US20030016695 System and method for automatic optimization of optical communication systems |
| 01/23/2003 | US20030016692 Method and system for processing upstream packets of an optical network |
| 01/23/2003 | US20030016671 Wavelength division multiplexed network with frame switching |
| 01/23/2003 | US20030016654 Network and access protection in optical networks |
| 01/23/2003 | US20030016623 Evolution of a telecommunications network from ring to mesh structure |
| 01/23/2003 | US20030016439 System and method for gain equalization in an optical transmission system |
| 01/23/2003 | US20030016415 Distribution system using multiple lasers of differing frequencies combined on a single optical output device and method of fabricating such optical output device |
| 01/23/2003 | US20030016414 Wavelength assignment in an optical WDM network |
| 01/23/2003 | US20030016413 Methods and apparatus for sensing multiple wavelengths simultaneously in a single wavelength sensing device |
| 01/23/2003 | US20030016411 Method for engineering connections in a dynamically reconfigurable photonic switched network |
| 01/23/2003 | US20030016410 Method for engineering connections in a dynamically reconfigurable photonic switched network |
| 01/23/2003 | US20030016409 Method and system for trunk side monitoring for optical switching applications |
| 01/23/2003 | CA2453710A1 Wdm ring network for flexible connections |
| 01/23/2003 | CA2452344A1 Optical system and method in an optical system |
| 01/22/2003 | EP1278326A1 Method of controlling optical signal power at an add/drop node in a WDM optical communication system |
| 01/22/2003 | EP1278325A2 Method for engineering connections in a dynamically reconfigurable photonic switched network |
| 01/22/2003 | EP1278324A2 Wavelength assignment in an optical WDM network |
| 01/22/2003 | EP1278315A1 Gain equalisation in an optical transmission system |
| 01/22/2003 | EP1103107A4 Bidirectional dispersion compensation system |
| 01/22/2003 | EP0970572B1 Optical transmission device and method for checking transmission in an optical transmission device |
| 01/22/2003 | CN1392696A NXN light exchanging structure in full photo exchanging nodal point |
| 01/22/2003 | CN1392695A Tuning method for semiconductor laser wide range outer chamber |
| 01/22/2003 | CN1392685A Branch unit used in optical communication system |
| 01/22/2003 | CN1392444A Optical amplifier of amplifying multiple wave length light |
| 01/22/2003 | CN1099791C Transmission device in loop network |
| 01/22/2003 | CN1099778C Time-delay distance finding method based on time-division multiple address passive optical-fiber network |
| 01/22/2003 | CN1099775C Fault restoration control method and its apparatus in communication network |
| 01/21/2003 | US6510261 Acousto-optic variable attenuator with active cancellation of back reflections |
| 01/21/2003 | US6510229 Communication system with multicarrier telephony transport |
| 01/21/2003 | US6510000 Optical amplifier for wide band raman amplification of wavelength division multiplexed (WDM) signal lights |
| 01/21/2003 | US6509990 Optical timing detection |
| 01/21/2003 | US6509987 Channel band conversion apparatus for optical transmission systems |
| 01/21/2003 | US6509986 WDM ring transmission system having amplified dropped channels |
| 01/21/2003 | US6509985 Parallel transmission method and system |
| 01/21/2003 | US6509984 Crosstalk reduction in a bidirectional optical link |
| 01/21/2003 | CA2273053C Inter-ring cross-connect for survivable multi-wavelength optical communication networks |