| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 03/06/2001 | US6198857 Add/drop optical multiplexing device |
| 03/06/2001 | US6198721 Method and system for data transmission in a ring network |
| 03/06/2001 | US6198572 Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
| 03/06/2001 | US6198556 WDM ring transmission system |
| 03/03/2001 | CA2317255A1 Multichannel optical spectrum slicer and method of measuring modal birefringence and/or polarization mode dispersion of slicer itself |
| 03/01/2001 | WO2001015484A1 Hybrid optical add/drop multiplexing devices |
| 03/01/2001 | WO2001015368A2 Optical transmission systems, devices, and methods |
| 03/01/2001 | WO2001015350A1 Method for measuring the performance of broadband dense wavelength division multiplexer (dwdm) using non-linear iterative algorithm |
| 03/01/2001 | WO2001015349A1 Dense wavelength division multiplexer (dwdm) monitoring system |
| 03/01/2001 | WO2001015291A1 Wavelength multiplexer |
| 03/01/2001 | DE19720619C2 Verfahren zum optischen Schalten und Drehschalter A method for optical switching and rotary switch |
| 03/01/2001 | CA2382781A1 Optical transmission systems, devices, and methods |
| 03/01/2001 | CA2346973A1 Hybrid optical add/drop multiplexing devices |
| 02/28/2001 | EP1079657A2 Method for routing optical data packets |
| 02/28/2001 | EP1079562A2 Method for transmitting an information signal |
| 02/28/2001 | EP1079553A2 Optical communication system optically combining both baseband and passband signals |
| 02/28/2001 | EP1079481A2 Automatic gain control for optical amplifiers |
| 02/28/2001 | EP1079248A2 Adjustable add-drop-continue module |
| 02/28/2001 | EP1078488A1 Multiwavelength mode-locked dense wavelength division multiplexed optical communication systems |
| 02/28/2001 | EP1078487A1 Dense wdm optical multiplexer and demultiplexer |
| 02/28/2001 | CN1285668A Multiwave amplifying telecommunication system having automatic gain control |
| 02/28/2001 | CN1285666A Wave division multiplex optical transmission system |
| 02/28/2001 | CA2316544A1 Connection verification in optical cross-connect arrangements |
| 02/27/2001 | US6195367 Architectural arrangement for bandwidth management in large central offices |
| 02/27/2001 | US6195200 High power multiwavelength light source |
| 02/27/2001 | US6195188 Optical wavelength conversion apparatus and method |
| 02/27/2001 | US6195186 Optical WDM ring network |
| 02/22/2001 | WO2001013151A1 Segmented thin film add/drop switch and multiplexer |
| 02/22/2001 | WO2001013146A2 Fiber optic cable for increased transmission capacity and wavelength division multiplexing optical transmission system using the same |
| 02/22/2001 | WO2000052864A3 Hybrid wavelength selective optical router and switch |
| 02/22/2001 | CA2382079A1 Segmented thin film add/drop switch and multiplexer |
| 02/21/2001 | EP1077552A2 Arrangement for dropping optical signals |
| 02/21/2001 | EP1077543A1 Optical intersatellite communication system for transmitting a modulated laser beam |
| 02/21/2001 | EP1076949A2 Sonet jo byte message monitoring system |
| 02/21/2001 | CN1285048A Add-drop optical multiplexing device |
| 02/21/2001 | CN1284804A 通信系统 Communications systems |
| 02/21/2001 | CN1284802A Apparatus and method for stabilizing output power for fibre amplifier according to quantity of channel |
| 02/21/2001 | CN1284801A Optical division/insertion multiplexer capable for being configurated dynamically |
| 02/20/2001 | US6192252 Establishing a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications system |
| 02/20/2001 | US6192173 Flexible WDM network architecture |
| 02/20/2001 | US6192172 Optical wavelength-space cross-connect switch architecture |
| 02/20/2001 | US6191877 WDM optical fiber system using Raman amplification |
| 02/20/2001 | CA2315869A1 Method of transmitting an information signal |
| 02/16/2001 | CA2314270A1 Optical intersatellite communications system for transmitting a modulated laser beam |
| 02/14/2001 | EP1076471A2 Optical wavelength division multiplexing transmission network device |
| 02/14/2001 | EP1076470A1 Hybrid space and wavelength selector and optical switching matrix containing such selectors |
| 02/14/2001 | EP1076469A2 Optical wavelength-space cross connect switch architecture |
| 02/14/2001 | EP1076468A2 IP packet transmission equipment |
| 02/14/2001 | EP1076434A2 Optical amplifying apparatus and method for amplifying wide-wavelength-band light |
| 02/14/2001 | EP1076430A1 Optical regenerator for high-bitrate OTDM signals |
| 02/14/2001 | EP1076429A2 Band conversion apparatus for optical transmission systems |
| 02/14/2001 | EP1076428A2 Optical fiber communication system employing wavelength converter for broadband transmission |
| 02/14/2001 | EP1076248A1 Bidirectional optical wavelength multiplexer/divider |
| 02/14/2001 | EP1075743A1 Automatic isolation in loops |
| 02/14/2001 | CN1283914A Multi-carrier individual access communication system |
| 02/14/2001 | CN1283902A Funnel wave hand conversion device for optical transfering system |
| 02/13/2001 | US6188816 Filter topologies for optical add-drop multiplexers |
| 02/13/2001 | US6188810 Reversible ring coupler for optical networks |
| 02/13/2001 | US6188702 High speed linking module |
| 02/13/2001 | US6188668 Automatic isolation in loops |
| 02/13/2001 | US6188509 Simple bidirectional add/drop amplifier module based on a single multiplexer |
| 02/13/2001 | US6188499 Wavelength locking method for tunable filter, wavelength locking apparatus and wavelength division multiplexing communication network using the same |
| 02/09/2001 | CA2314178A1 Spatial and spectral hybrid selector and optical switching matrix including such selectors |
| 02/08/2001 | WO2001010063A1 Optical amplification repeater and optical amplification repeating and transmitting system |
| 02/08/2001 | WO2000069104A3 Rf return optical transmission |
| 02/08/2001 | DE19932579A1 Verfahren zum Übertragen eines verketteten Signals A method of transmitting a concatenated signal |
| 02/07/2001 | EP1075105A1 Autoprotected optical communication ring network |
| 02/07/2001 | EP1075095A2 Two-stage modular wide-band optical amplifiers |
| 02/07/2001 | EP1074108A1 Method and system for optical multichannel transmission using coherence division multiplexing with optical filtering |
| 02/07/2001 | EP1074073A1 Improved performance gain flattened edfa |
| 02/07/2001 | EP1073919A1 Segmented complex diffraction gratings |
| 02/07/2001 | CN1061804C Method and system for control of wavelength, division multiplex fibre-optic communication wave length |
| 02/06/2001 | USRE37044 Tunable add/drop optical filter |
| 02/06/2001 | US6185023 Optical add-drop multiplexers compatible with very dense WDM optical communication systems |
| 02/06/2001 | US6185022 Optical transmission system and transmitting terminal station |
| 02/01/2001 | WO2001008422A2 Method and apparatus for improving transmission performance over wdm optical communication links using fec coding |
| 02/01/2001 | WO2001008336A1 Multiple level modulation in a wavelength-division multiplexing (wdm) systems |
| 02/01/2001 | WO2001008333A1 Reconfigurable multi-add/drop module for optical communications |
| 02/01/2001 | WO2001008332A1 Optical regenerator for high bit-rate otdm signals |
| 02/01/2001 | WO2001008277A1 Method and apparatus for filtering an optical beam |
| 02/01/2001 | WO2001007951A1 Compact double-pass wavelength multiplexer-demultiplexer having an increased number of channels |
| 02/01/2001 | WO2001007947A1 Multiplexer and demultiplexer for single mode optical fiber communication links |
| 02/01/2001 | WO2000060786A3 Method for measuring the quality of transmission in networks |
| 02/01/2001 | DE19940565C1 Connection path control for optic data packet transmission |
| 02/01/2001 | CA2380416A1 Method and apparatus for improving transmission performance over wavelength division multiplexed optical communication links using forward error correction coding |
| 01/31/2001 | EP1073307A2 Node control device, node device and optical path setting method |
| 01/31/2001 | EP1073306A2 Node control device, node device and optical path setting method |
| 01/31/2001 | EP1073227A2 Wavelength multiplexing transmitter |
| 01/31/2001 | EP1073219A1 Optical transmission system and optical amplifying apparatus, optical amplifying unit, and optical coupler for the same |
| 01/31/2001 | EP1072937A1 Optical filter |
| 01/31/2001 | EP1072121A1 Programmable optical add/drop multiplexer |
| 01/31/2001 | CN1282473A Optical add-drop multiplexer |
| 01/31/2001 | CN1281992A Optical system |
| 01/31/2001 | CN1281973A Optical filter |
| 01/30/2001 | US6181451 Filter Selector |
| 01/30/2001 | US6181449 Wavelength division multiplexed optical processing device and optical communication transmission path |
| 01/30/2001 | CA2202660C All-optical processing in communications systems |
| 01/25/2001 | WO2001006305A2 A multi-functional optical switch and its method of manufacture |
| 01/25/2001 | WO2000051277A3 Flexible optical multiplexer |
| 01/25/2001 | DE19930975A1 Cross-talk measurement of profit channel in optic transmission system |