Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
10/2003
10/30/2003WO2003090392A1 Optical device and method of converting wdm signals into an otdm signal and vice versa
10/30/2003WO2003090035A2 Automated optical transport system
10/30/2003WO2003036341A9 Field reconfigurable line cards for an optical transport system
10/30/2003WO2003007522A3 Optical pulse train generator
10/30/2003WO2002089368A3 Method for the ocdma encoding of optical signals
10/30/2003WO2002082165A3 Dynamic optical filter having a spatial light modulator
10/30/2003US20030202794 Opto-electronic ultra-wideband signal waveform generator and radiator
10/30/2003US20030202742 Wavelength multiplexing/demultiplexing unit, wavelength multiplexing/demultiplexing apparatus and wavelength multiplexing/demultiplexing method
10/30/2003US20030202232 Optical (de-)inteleaver and method of (de-)interleaving optical signals
10/29/2003EP1357690A1 Intelligent optical network element
10/29/2003EP1357683A2 Hybrid fibre-radio system
10/29/2003EP1356621A1 Grooming of channels in wavelength division multiplexed optical communication systems
10/29/2003EP1356620A1 Wdm optical communications system
10/29/2003EP1356613A1 A method and system for transmission in an optical network
10/29/2003CN2583888Y Dynamic passage energy equalizer based on waveguide array grating block
10/29/2003CN2583691Y Optical group set filter
10/29/2003CN2583690Y Apparatus capable of realizing optical wave filtering and chromatic dispersion compensating function at the same time
10/29/2003CN1452341A Method and system for control of light signal transmission
10/29/2003CN1452329A Large city remote optical communication network comprising ring core
10/29/2003CN1452327A Method for dividing optical signal into plurality of electric data signals with lower bit rate
10/29/2003CN1126331C Automatically protected switching method and device in high rate SDH loop
10/29/2003CN1126309C Public affaiks board for wavelength division multiplexing light transmission system
10/28/2003USRE38289 Chromatic dispersion compensation in wavelength division multiplexed optical transmission systems
10/28/2003US6640036 Optical fiber and optical communication system using this optical fiber
10/28/2003US6640027 Gain flattening tunable filter
10/28/2003US6639716 Wavelength division multiplexing optical communication system and optical amplifying device
10/28/2003US6639715 Raman amplifier and optical transmission system using the amplifier
10/28/2003US6639703 Receiver transponder for protected networks
10/28/2003US6639702 Optical module for access networks to wide band communication systems and relevant production method
10/28/2003CA2298272C Lightwave communication systems using semiconductor optical amplifiers
10/28/2003CA2296945C High capacity optical fiber network operating in the 1385 nm region
10/23/2003WO2003088607A1 Transmission system
10/23/2003WO2003088542A1 Transmission system
10/23/2003WO2003088518A1 Access method and connection system by means of optical fiber using dwdm/scm hybrid techniques between base stations and remote antennas in a radiocommunication system
10/23/2003WO2003041306A3 Characterization of a transmission path of an optical signal having an optical communication signal
10/23/2003US20030198475 Vehicular communication system
10/23/2003US20030198473 Dispersion compensation method in optical communication system having optical add drop multiplexing capability
10/23/2003US20030198472 WDM ring transmission system
10/23/2003US20030198469 Method and a system for monitoring the transmission of optical signals
10/23/2003US20030198227 Optical path communication network, node, and optical path setup method
10/23/2003US20030197935 Optical signal processing apparatus
10/23/2003US20030197920 Optical amplifying method
10/22/2003EP1355441A1 Method and apparatus for controlling the transmission of optical signals
10/22/2003EP1355440A2 Wavelength-division multiplex communication system
10/22/2003EP1355436A1 Burst mode optical receiver generating a reset signal for an automatic threshold control device during inter-burst periods
10/22/2003EP1354439A2 Optical communications network and node for forming such a network
10/22/2003EP1354438A2 Optical processor enhanced receiver architecture (opera)
10/22/2003EP1354437A2 Method and system for processing upstream packets of an optical network
10/22/2003EP0901723B1 Method for structuring of digital data which can be transferred in both directions on a passive optical network (pon) in a pon tdma system
10/22/2003CN1451211A Optical switch router
10/22/2003CN1450746A Detection power range adjustable photoelectric detector and array thereof
10/22/2003CN1450737A Chromatic dispersion compensating apparatus
10/22/2003CN1450732A Wavelength division multiplex transmission system
10/22/2003CN1450370A Miniaturized photosynthetic multiplexer
10/22/2003CN1450368A Optica signal receivingl transmitting apparatus
10/22/2003CN1125544C Optical supervisory transmission signal control device
10/22/2003CN1125518C Optical amplifiers
10/21/2003US6636660 Monochrometer and wavelength division multiplexer comprising said monochrometer
10/21/2003US6636658 Wavelength division multiplexing/demultiplexing systems
10/21/2003US6636657 Channelized wavelength division multiplex equalizer using reflective attenuators
10/21/2003US6636654 Programmable optical switching add/drop multiplexer
10/21/2003US6636651 Four-port bidirectional optical circulator
10/21/2003US6636342 Light source used in wavelength multiplexing
10/21/2003US6636337 Optical switching device based on stable, non-absorbing optical hard limiters
10/21/2003US6634813 All-optical bit phase sensing
10/21/2003US6634809 Multi-channel useful information in optical wavelength multiplex networks having at least one network element, the signaling and control information and the useful information being transmitted in the form of a digital signal, which is
10/21/2003US6634808 Method for transmitting at least one first and one second data signal in polarization division multiplex in an optical transmission system
10/21/2003US6634807 Vulnerability of an optical network to channel impairments or the like, is addressed by utilizing real-time monitoring and control of prescribed optical channel impairments. The impairments are compensated for by employing an optimization
10/16/2003WO2003085865A1 Vehicular communication system
10/16/2003WO2003032534A3 Dynamic optical spectral control scheme for optical amplifier sites
10/16/2003WO2003032533A3 Optical amplifier control in wdm communications systems
10/16/2003WO2003017534A3 Crosstalk cancellation
10/16/2003WO2002061981A3 Fiber optic communications
10/16/2003WO2002056482A3 Method and system for dynamic bandwidth allocation in an optical access network
10/16/2003US20030194243 Burst mode optical receiver
10/16/2003US20030194241 Method and system for providing a return data path for legacy terminals by using existing electrical waveguides of a structure
10/16/2003US20030194237 Micro-optic delay element for use in a time-division multiplexed system
10/16/2003US20030194236 Optical cross-connect used in an optical network and method performed by the same
10/16/2003US20030194234 System and method for dynamic wavelength assignment in wavelength division multiplex ring networks
10/16/2003US20030194180 Managing channels with different wavelengths in optical networks
10/16/2003US20030193931 Data/audio multiplexer/demultiplexer, data/audio multiplex transmission system, and methods thereof
10/16/2003US20030193714 Filter with variable transmission character, optical transmission equipment and method of optical transmission
10/16/2003US20030193712 Wavelength-multiplexed light amplifying apparatus,optical amplifier and optical add-and-drop apparatus using wavelength-multiplexed light amplifying basic unit
10/15/2003EP1353525A1 Method and optical cross-connect for an optical network
10/15/2003EP1353466A2 Method for splitting an optical signal in a plurality of electrical data signal with lower bit rate
10/15/2003EP1353465A2 system and method for dynamic wavelength assignment division multiplex ring networks
10/15/2003EP1353464A2 Optical demultiplexer and optical transmission system
10/15/2003EP1352268A2 Polarisation-insensitive diffraction grating for wavelength division multiplexer
10/15/2003CN2580698Y Wave-division multiplexing device
10/15/2003CN1449608A An optical communication network
10/15/2003CN1449607A 光通信系统 The optical communication system
10/15/2003CN1449147A Multi-wavelength locking device
10/15/2003CN1449146A Wavelength reuse single patchcord multi-wavelength optical network system
10/15/2003CN1449145A Capacity upgrading method for dense wavelength division multiplexing optical fiber transmission system
10/15/2003CN1448772A Method for realizing gain equality of erbium-doped fiber amplifier using quantum coherence
10/15/2003CN1448760A Asymmetric electrode Y-branch waveguide digital optical switch
10/15/2003CN1448744A Method for making high stability optical wavelength-division multiplex device
10/14/2003US6633696 Resonant optical wave power control devices and methods
10/14/2003US6633695 Compression-tuned grating-based optical add/drop multiplexer
10/14/2003US6633690 Optical transmission apparatuses, methods, and systems
1 ... 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 ... 271