Patents for H04J 14 - Optical multiplex systems (27,009) |
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10/11/2005 | US6954573 Wide band dispersion-controlled fiber |
10/11/2005 | US6954304 Raman amplifier |
10/11/2005 | CA2315416C Optical wavelength division multiplexing transmission network device |
10/11/2005 | CA2299974C Wdm network and wdm network device |
10/06/2005 | WO2005093385A1 Optical frequency measuring apparatus and optical frequency measuring method |
10/06/2005 | WO2005092001A2 Methods and apparatus for confidentiality protection for fibre channel common transport |
10/06/2005 | WO2005081572A3 Cross-connector for optical signals in time-division multiplex technology |
10/06/2005 | US20050223190 Hardware functional partitioning in a system platform of a telecommunication network element |
10/06/2005 | US20050220397 Coarse wavelength division multiplexing optical transmission system, and coarse wavelength division multiplexing optical transmission method |
10/06/2005 | US20050220136 Network design device |
10/06/2005 | US20050219682 Multistage optical amplifier having tilt compensation feature |
10/05/2005 | EP1583307A2 Discrimination phase margin monitor circuit, transmitting/receiving device and communication system |
10/05/2005 | EP1583269A2 Coarse wavelength division multiplexing optical transmission system, and coarse wavelength division multiplexing optical transmission method |
10/05/2005 | EP1583262A1 Dispersion compensation method and compensation node apparatus |
10/05/2005 | EP1583259A2 Light source apparatus, and method for switching redundancy of the light source |
10/05/2005 | EP1421421A4 Method and apparatus for optical signal processing using an optical tapped delay line |
10/05/2005 | EP1356613B1 A method and system for transmission in an optical network |
10/05/2005 | CN1677145A Method and device for wavelength dispersion compensation |
10/05/2005 | CN1677142A Optical wavelength add-drop multiplexer |
10/05/2005 | CN1221847C Wavelength-division multiplexing optical communication system |
10/04/2005 | US6952512 Compensator for compensation of higher-order chromatic dispersion |
10/04/2005 | US6952511 Gain equalizer and optical amplification apparatus |
10/04/2005 | US6952509 Wavelength dispersion compensator and optical transmission line |
10/04/2005 | US6952395 Optical network restoration |
10/04/2005 | US6951426 Pad architecture for backwards compatibility for bi-directional transceiver module |
09/29/2005 | WO2005091539A1 Automatic update of squelch tables for optical network applications |
09/29/2005 | WO2005091535A1 Optical add/drop amplification device |
09/29/2005 | WO2005091031A1 Planar waveguide reflective diffraction grating |
09/29/2005 | US20050213992 Method and apparatus for optical transmission of data |
09/29/2005 | US20050213987 Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit |
09/29/2005 | US20050213986 Dispersion compensating method and dispersion compensating apparatus |
09/29/2005 | US20050213981 Optical discriminator for transmitting and receiving in both optical fiber and free space applications |
09/29/2005 | US20050213980 Optical transmission apparatus and optical transmission system |
09/29/2005 | US20050213979 Wavelength division multiplexing optical transmission system and transmission wavelength control method therefor |
09/29/2005 | US20050213978 Wavelength demultiplexing unit |
09/29/2005 | US20050213977 Split-band optical transmission system and optical transmission method used therein |
09/29/2005 | US20050213975 Method and arrangement for reducing the signal degradation in an optical polarisation-multiplex signal |
09/29/2005 | US20050213972 Light source apparatus, and method for switching redundancy of the light source |
09/29/2005 | US20050213971 Optical switch and network system including the same |
09/29/2005 | US20050213970 Relay transmission apparatus |
09/29/2005 | US20050213968 Optical transmission apparatus and control method therefor |
09/29/2005 | US20050213967 Optical wavelength division multiplexing transmission system |
09/29/2005 | US20050213966 Transmission system |
09/29/2005 | US20050213883 Method of optimizing optical channel signal demultiplexing in a monolithic receiver photonic integrated circuit (RxPIC) |
09/29/2005 | US20050213879 Flexible band tunable filter |
09/29/2005 | US20050213875 Optical cross-connect device and method of optical communication control |
09/29/2005 | US20050213214 Planar waveguide reflective diffraction grating |
09/29/2005 | US20050213178 Controlling apparatus and controlling method for spatial optical switch |
09/28/2005 | EP1580913A2 Optical switch and network system including the same |
09/28/2005 | EP1580906A2 Dispersion compensating method and dispersion compensating apparatus |
09/28/2005 | EP1580583A1 Controlling apparatus and controlling method for spatial optical switch |
09/28/2005 | EP1579606A2 Transmitter and method using half rate data streams for generating full rate modulation on an optical signal |
09/28/2005 | EP1312180B1 Optical communications network with protection paths |
09/28/2005 | EP0897624B1 Method and device for on-line regeneration of a signal transmitted by wavelength division multiplexed solitons and optical telecommunication system comprising such a regenerating device |
09/28/2005 | CN2729756Y Polymer waveguide electrooptical modulator of vertical laminated |
09/28/2005 | CN2729752Y Multilaser beam composite device |
09/28/2005 | CN1675867A Method for transmitting at least one first and second data signal in polarization multiplex in an optical transmission system |
09/28/2005 | CN1675571A Wavelength selective switch |
09/28/2005 | CN1674481A Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit |
09/28/2005 | CN1674475A Dispersion compensating method and dispersion compensating apparatus |
09/28/2005 | CN1674474A Optical transmission apparatus and control method therefor |
09/28/2005 | CN1674469A Multi-optical port optical wavelength converting unit |
09/27/2005 | US6950609 Tunable, multi-port optical add-drop multiplexer |
09/27/2005 | US6950448 High speed linking module |
09/27/2005 | US6950392 Fiber optic synchronous digital hierarchy telecommunication network provided with a protection system shared on the network |
09/22/2005 | WO2005089010A1 Optically controlled optical-path-switching-type data distribution apparatus and distribution method |
09/22/2005 | WO2005088877A1 Optical transmission device and optical transmission system |
09/22/2005 | US20050207760 Method and system for communicating a clock signal over an optical link |
09/22/2005 | US20050207757 Method of wavelength conversion and wavelength converter |
09/22/2005 | US20050207756 Optical network system and optical coupling apparatus |
09/22/2005 | US20050207755 Scheduling token-controlled data transmissions in communication networks |
09/22/2005 | US20050207754 Terminal apparatus and controlling method for optical output power |
09/22/2005 | US20050207753 Optical protection apparatus |
09/22/2005 | US20050207696 Compact, cost-effective optical-electrical-optical (OEO) converter for an optical transmission network |
09/22/2005 | US20050207579 Methods and apparatus for confidentially protection for Fibre Channel Common Transport |
09/22/2005 | US20050207440 Data transmissions in communication networks using multiple tokens |
09/22/2005 | US20050207427 Token-controlled data transmissions in communication networks |
09/22/2005 | US20050206999 Optical attenuator element, and variable optical equalizer and optical amplifier that use this optical attenuator element |
09/22/2005 | DE102004008393A1 Optic fiber amplifier e.g. erbium-doped fiber amplifier, for regional network, has feed forward arrangement with time delay unit that compensates delay due to changes in number of active channels at input of one of two amplifier stages |
09/22/2005 | CA2554926A1 Optically controlled optical-path-switching-type data distribution apparatus and distribution method |
09/21/2005 | EP1578050A2 Data transmissions in communication networks using multiple tokens |
09/21/2005 | EP1578049A2 Scheduling token-controlled data transmissions in communication networks |
09/21/2005 | EP1578048A2 Token-controlled data transmissions in communication networks |
09/21/2005 | EP1578047A1 Apparatus and method for amplifying an optical signal and optical transmission system |
09/21/2005 | EP1004185B1 A method and a system for interconnecting ring networks |
09/21/2005 | CN1672351A Method and apparatus for transferring WDM signal between different WDM optical communication systems in optically transparent manner |
09/21/2005 | CN1671118A Data transmissions in communication networks using multiple tokens |
09/21/2005 | CN1671117A Scheduling token-controlled data transmissions in communication networks |
09/21/2005 | CN1671116A Token-controlled data transmissions in communication networks |
09/21/2005 | CN1671091A Method and apparatus for transmitting monitoring information in WDM system |
09/21/2005 | CN1671082A Unidirectional infrared communication method and system |
09/21/2005 | CN1670568A Optical attenuator element, and variable optical equalizer and optical amplifier |
09/21/2005 | CN1670547A Light source for optical fibre grating |
09/21/2005 | CN1220348C Gain balancing system and method in light transmission system |
09/21/2005 | CN1220347C Optical transmitter optical transmission system and method used for high data speed transmission signal |
09/21/2005 | CN1220346C Multiple business two-way transmission optical terminal machine |
09/20/2005 | US6947670 Optical add/drop arrangement for ring networks employing wavelength division multiplexing |
09/20/2005 | US6947631 Waveguide-type optical multiplexer/demultiplexer |
09/20/2005 | US6947630 Control method and control apparatus for variable wavelength optical filter |
09/20/2005 | US6947421 System method for the automatic routing of data packets in an optical data packet stream |