| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 04/07/2004 | CN1487690A Optical transmitting system |
| 04/07/2004 | CN1487333A Prepn process of NEMS electrically adjustable light attenuator chip |
| 04/07/2004 | CN1487321A Two-dimensional multimode interference power divider |
| 04/07/2004 | CN1145300C Array waveguide grating wavedivision multi-channel complexer equiped aligning waveguide and alignment equipment thereof |
| 04/06/2004 | US6718141 Network autodiscovery in an all-optical network |
| 04/06/2004 | US6718140 Optical wavelength division multiplexing transmission network device |
| 04/06/2004 | US6718139 Optical fiber ring communication system |
| 04/06/2004 | US6718138 Digital-signal quality monitoring method and communications apparatus using this method |
| 04/06/2004 | US6718093 Integrated optical multiplexer and demultiplexer for wavelength division transmission of information |
| 04/06/2004 | US6717967 Absolutely calibrated periodic filters and sources |
| 04/01/2004 | WO2004028197A2 Efficient optical network design using multi-granular optical cross-connects with wavelength band switching |
| 04/01/2004 | WO2004028091A2 Optical network with distributed sub-band rejections |
| 04/01/2004 | WO2004028056A1 Improved optical amplifier and/or add/drop structure |
| 04/01/2004 | WO2004028046A1 Method for the transmission of optical polarization multiplex signals |
| 04/01/2004 | WO2004028044A1 Optical signal determination system, and optical signal determination method |
| 04/01/2004 | WO2003098962A3 Wavelength cross-connect |
| 04/01/2004 | WO2003084281A8 Optical communication management systems |
| 04/01/2004 | WO2002071133A8 Fiber optical attenuator |
| 04/01/2004 | US20040062555 Optical transmitter, optical receiver and optical transmission system using same |
| 04/01/2004 | US20040062550 Wavelength division multiplexing optical transmission system, and wavelength division multiplexing optical transmission method |
| 04/01/2004 | US20040062549 Method and system for identification of channels in an optical network |
| 04/01/2004 | US20040062548 Method and system for identification of channels in an optical network |
| 04/01/2004 | US20040062475 Optical multiplexing/demultiplexing device |
| 04/01/2004 | US20040062472 Optical cross connect apparatus and method |
| 04/01/2004 | US20040062195 Algorithm for dynamic provisioning of fail-over support in generalized multi-protocol label switching enabled networks |
| 04/01/2004 | DE10243141A1 Verfahren zur Übertragung von optischen Polarisationsmultiplexsignalen Method for transmitting optical polarization multiplex signals |
| 03/31/2004 | EP1404145A2 Method and apparatus for associating optical cross-connect channels with non-associated overhead |
| 03/31/2004 | EP1404044A2 Improvements in and relating to the detection of analogue maintenance signals |
| 03/31/2004 | EP1402672A1 Optical temporal demultiplexer |
| 03/31/2004 | EP1402671A2 Receiver for high-speed optical signals |
| 03/31/2004 | EP1402670A2 Method and arrangement for the determination and separation of single channel effects on the optical transmission of a wavelength-multiplex (wdm) signal |
| 03/31/2004 | EP1402661A2 Virtual protection channel for fiber optic ring network |
| 03/31/2004 | EP1273119B1 Wavelength multiplexing optical fibre transmission device |
| 03/31/2004 | EP0861537B1 Improvements in or relating to optical add/drop wavelength division multiplex systems |
| 03/31/2004 | CN2608999Y Optical wave-division multiplexer |
| 03/31/2004 | CN2608998Y Light passive device using multilayer light wave guide and based on array wave guide interferometer |
| 03/31/2004 | CN1486549A Fiber optic system including digital controller for fiber optic tunable filter and associated methods |
| 03/31/2004 | CN1486012A Non-blocking expansion method of three-level Clouse matrix |
| 03/31/2004 | CN1486011A Apparatus and method for in-line dispersion compensating of mixing rate system |
| 03/31/2004 | CN1144409C Optical transmission system and its method |
| 03/31/2004 | CN1144408C Method and device for identifying transmission rate |
| 03/31/2004 | CN1144072C Optical fiber and optical transmission system with low non-linearity coefficient and large effective area |
| 03/30/2004 | US6714742 Polarization-division multiplexing based on power encoding of different polarization channels |
| 03/30/2004 | US6714741 Method and apparatus for monitoring an optical WDM network |
| 03/30/2004 | US6714740 Optical network and switch control method for use in the optical network |
| 03/30/2004 | US6714341 Wavelength converter and optical cross-connect system using the same |
| 03/30/2004 | CA2434723A1 Optical multiplexer, demultiplexer and methods |
| 03/30/2004 | CA2310443C Wavelength stabilized, tunable optical transmitter with high smsr |
| 03/25/2004 | WO2004025330A2 Optical cross connect apparatus and method |
| 03/25/2004 | WO2004008666A3 Distributed raman amplifier for optical network and method |
| 03/25/2004 | WO2004002001A3 Ultra-wideband communication through a wire medium |
| 03/25/2004 | WO2003058868A3 Dynamic route selection for label switched paths in communication networks |
| 03/25/2004 | WO2003050980A3 Wavelength division multiplexing optical performance monitors |
| 03/25/2004 | WO2003032547A3 Transmitter photonic integrated circuit |
| 03/25/2004 | WO2003032021A3 TRANSMITTER PHOTONIC INTEGRATED CIRCUITS (TxPIC) AND OPTICAL TRANSPORT NETWORKS EMPLOYING TxPICs |
| 03/25/2004 | US20040057734 Method and system for reducing transmission penalties associated with ghost pulses |
| 03/25/2004 | US20040057732 Light amplifying apparatus for wavelength division multiplexing capable for determining change in number of multiplexed wavelength signals |
| 03/25/2004 | US20040057729 Analogue maintenance detection |
| 03/25/2004 | US20040057728 Optical subscriber network system for receiving broadcast/communication signals |
| 03/25/2004 | US20040057724 Maintaining quality of packet traffic in optical network when a failure of an optical link occurs |
| 03/25/2004 | US20040057661 Optical transmission system |
| 03/25/2004 | US20040057453 Method of adapting an optical network to provide lightpaths to dynamically assigned higher priority traffic |
| 03/25/2004 | US20040057375 Ring network for sharing protection resource by working communication paths |
| 03/25/2004 | DE10339917A1 Optisches Übertragungssystem The optical transmission system |
| 03/25/2004 | DE10242915A1 Reducing optical polarization multiplex signal degradation involves sending signals with null phase difference so modulation stage limits differ to maximum extent from other signals' evaluation times |
| 03/25/2004 | CA2499061A1 Optical cross connect apparatus and method |
| 03/25/2004 | CA2442375A1 Improvements in and relating to analogue maintenance detection |
| 03/24/2004 | EP1401126A2 Optical signals generator for wavelength division multiplexing optical communication system |
| 03/24/2004 | EP1401124A2 Optical subscriber network system for receiving broadcast/communication signals |
| 03/24/2004 | EP1400047A2 Wavelength division multiplexed device |
| 03/24/2004 | EP1400040A1 Optical communication device and system |
| 03/24/2004 | EP1399768A2 System and method for controlling spectral passband profile |
| 03/24/2004 | CN1484933A Point-to-multipoint passive optical network that utilizes variable-length packets and variable-length upsteam tine slots |
| 03/24/2004 | CN1484897A Control scheme for long wavelength channels in wideband WDM optical fiber transmission system |
| 03/24/2004 | CN1484896A Maintaining quality of packet traffic in optical network when fuilure of optical link occurs |
| 03/24/2004 | CN1484775A Optical add drop filter |
| 03/24/2004 | CN1484402A Light source generator for WDM light communication system |
| 03/24/2004 | CN1484401A Demultiplexing detector for WDM system |
| 03/24/2004 | CN1484053A Demultiplexing detection system for reinforced photoelectric detector based on resonance cavity |
| 03/24/2004 | CN1484052A Dispersing prism type WDM |
| 03/24/2004 | CN1143462C Optical SNR measurerin WDM optical transmitting device |
| 03/23/2004 | US6711360 Duty-cycle adjustable clock generator with low reverse bias and zero DC level |
| 03/23/2004 | US6711358 Optical apparatus using a phase grating |
| 03/23/2004 | US6711324 Software model for optical communication networks |
| 03/23/2004 | US6711313 CDMA encoder-decoder, CDMA communication system, WDM-CDMA communication system |
| 03/23/2004 | US6710916 Grating-based dispersion compensation devices |
| 03/23/2004 | US6710913 Technique and apparatus for wave-mixing frequency translation in a network |
| 03/23/2004 | US6710904 System for compensating polarization dispersion in an optical transmission system |
| 03/23/2004 | CA2329727C Bidirectional optical wavelength multiplexer and demultiplexer |
| 03/18/2004 | WO2004023693A2 System and method for high bit-rate optical time division multiplexing (otdm) |
| 03/18/2004 | WO2004023681A1 Optical network system |
| 03/18/2004 | WO2004008318A3 Data transfer in an optical network communication system |
| 03/18/2004 | WO2003091760A3 Opto-electronic ultra-wideband signal waveform generator and radiator |
| 03/18/2004 | WO2003043249A8 An implementation method for equalizing a power of densed wavelength division multiplex (dwdm) system |
| 03/18/2004 | WO2003040775A3 Liquid crystal modulator and polarization diversity optics for optical communications |
| 03/18/2004 | US20040052530 Optical network with distributed sub-band rejections |
| 03/18/2004 | US20040052529 WDM transmission link design |
| 03/18/2004 | US20040052528 Jitter control in optical network |
| 03/18/2004 | US20040052526 Connection optimization and control in agile networks |
| 03/18/2004 | US20040052524 Method of power control in an optical communication system |