| Patents for H04J 14 - Optical multiplex systems (27,009) | 
|---|
| 06/08/2004 | US6748175 Optical ring network having enhanced security and reduced loss | 
| 06/08/2004 | US6748174 WDM optical network with passive pass-through at each node | 
| 06/08/2004 | US6748173 Optical transmission system and optical transmission apparatus used therefor | 
| 06/08/2004 | US6748172 Multi-channel light source generator in a WDM optical communication system | 
| 06/08/2004 | US6748171 Method and system for providing multiple classes of services in dense wavelength division multiplexing optical networks | 
| 06/08/2004 | US6748170 Method for optimizing a mostly optical network | 
| 06/08/2004 | US6748152 Optical transmission system | 
| 06/08/2004 | US6748150 Apparatus and method for managing dispersion within an optical add/drop module | 
| 06/08/2004 | US6748136 Wide band Raman amplifiers | 
| 06/08/2004 | US6748135 Method for determining interactions between a number of optical channels in a wavelength division multiplexed signal | 
| 06/08/2004 | US6748134 Frequency allocation scheme and transmission system for polarization and wavelength division multiplexed signals with left and right side filtering | 
| 06/08/2004 | US6748127 Transmission of orthogonal circular polarizations on a fiber | 
| 06/08/2004 | US6747792 Optical amplifying method | 
| 06/08/2004 | US6747790 Optical amplifier for amplifying multi-wavelength light | 
| 06/05/2004 | CA2449592A1 Method and apparatus for optical add/drop multiplexing in optical networks | 
| 06/05/2004 | CA2429083A1 Method and apparatus for controlling a variable optical attenuator in an optical network | 
| 06/04/2004 | CA2410770A1 Sonet like link and chassis interconnect | 
| 06/03/2004 | WO2004047349A1 Reconfigurable optical add/drop multiplexer with buried dispersion compensation module | 
| 06/03/2004 | WO2004047341A1 Transmission apparatus and transmission apparatus path selection method | 
| 06/03/2004 | WO2004028091A3 Optical network with distributed sub-band rejections | 
| 06/03/2004 | WO2004001916A3 Crosstalk compensation engine for for reducing signal crosstalk effects within a data signal | 
| 06/03/2004 | WO2003073671A3 Apparatus and method for planned wavelength addition and removal in a wavelength division multiplexed system | 
| 06/03/2004 | US20040105678 Method and apparatus for providing simultaneous channel power equalization and monitoring | 
| 06/03/2004 | US20040105676 Video delivering system and video delivering device for vehicle | 
| 06/03/2004 | US20040105675 Optical packet tray router | 
| 06/03/2004 | US20040105389 Method for hybrid network planning | 
| 06/03/2004 | US20040105383 Network auto-provisioning and distributed restoration | 
| 06/03/2004 | US20040105364 Wavelength associative addressing system for WDM type light packet steering | 
| 06/02/2004 | EP1424798A2 Wavelength allocation method of signal light, optical transmission apparatus and wavelength division multiplexing optical transmission system using the method | 
| 06/02/2004 | EP1423933A2 Technique for channel count and power control in optical networks | 
| 06/02/2004 | CN2619422Y Device for eliminating circular net self exciting in light transmission system | 
| 06/02/2004 | CN1502183A Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laster transmitter | 
| 06/02/2004 | CN1501619A Optical fibre for wavelength division multiplexed system and manufacturing method thereof | 
| 06/02/2004 | CN1501618A Optical transmission systems using optical amplifiers and wavelength division multiplexing | 
| 06/02/2004 | CN1501617A Optical signal transmission method with long span and over-long span demultiplexing | 
| 06/01/2004 | US6744990 WDM optical transmission system and an optical transmission line thereof | 
| 06/01/2004 | US6744989 Optical transmission system, its method, and optical amplification transmission line | 
| 06/01/2004 | US6744988 Device for applying time-delays to optical signals | 
| 06/01/2004 | US6744986 Tunable wavelength add/drop multiplexer based on integrated optic devices | 
| 06/01/2004 | US6744984 Method and system for alternative transmission traffic routing in dense wavelength division multiplexing optical networks | 
| 06/01/2004 | US6744983 Optical switching matrix | 
| 06/01/2004 | US6744964 System and method for controlling variable optical attenuators | 
| 06/01/2004 | US6744943 Add-drop filter utilizing chiral elements | 
| 06/01/2004 | US6744760 Node configurations within communication systems | 
| 06/01/2004 | US6744495 WDM measurement system | 
| 05/27/2004 | WO2004045114A1 Optical receiver | 
| 05/27/2004 | WO2003102659A3 Demultiplexing optical signal receiver photonic integrated circuit (rxpic) and associated transmitter and method of testing a photonic integrated circuit | 
| 05/27/2004 | US20040101307 Optical device, terminal apparatus, and system for wavelength division multiplexing | 
| 05/27/2004 | US20040101306 Optical module | 
| 05/27/2004 | US20040101305 Fabry-perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same | 
| 05/27/2004 | US20040101302 System for providing dynamic service using optical sub-carrier multiplexing type multi-channel access and method of controlling the same | 
| 05/27/2004 | US20040101301 Optical pulse timing detection apparatus, optical pulse timing detection method, optical pulse timing adjustment apparatus, and optical pulse timing adjustment method | 
| 05/27/2004 | US20040101242 Optical multi-band device with grating | 
| 05/27/2004 | US20040101236 Reconfigurable optical add/drop multiplexer with buried dispersion compensation module | 
| 05/27/2004 | US20040100695 Receiver for OTDM/PDM optical signals | 
| 05/27/2004 | US20040100684 Line amplification system for wavelength switched optical networks | 
| 05/27/2004 | US20040100682 Multi-wavelength generating method and apparatus based on flattening of optical spectrum | 
| 05/26/2004 | EP1422967A2 Optical communication system | 
| 05/26/2004 | EP1422966A2 Wavelength converter and optical cross-connect system using the same | 
| 05/26/2004 | EP1422854A2 Optical communication system | 
| 05/26/2004 | EP1422794A2 Fabry-perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same | 
| 05/26/2004 | EP1421421A1 Method and apparatus for optical signal processing using an optical tapped delay line | 
| 05/26/2004 | EP1057298A4 Self-synchronization of an optical packet network using seed pulses extracted from within the packets | 
| 05/26/2004 | CN1500324A 光束组合器 Beam combiner | 
| 05/26/2004 | CN1500321A Survival DWDM system | 
| 05/26/2004 | CN1499769A Passive optical fiber net of loop of multiple wave length light generated by utilizing central location | 
| 05/26/2004 | CN1499228A Wavelength division multiplexing device and manufacture method | 
| 05/26/2004 | CN1151625C Routing and wavelength distributing method for optical wavelength division multiplexing network | 
| 05/26/2004 | CN1151624C Nodal structure of staging wave separation shared system | 
| 05/26/2004 | CN1151616C Wave division multiplex multi-use communication metwork remote-control system and terminal station | 
| 05/25/2004 | US6741813 Interference-based DWDM optical interleaver using beam splitting and selective phase shifting and re-combining | 
| 05/25/2004 | US6741812 Synchronous digital communications system | 
| 05/25/2004 | US6741811 Optical cross-connect device and system having the device | 
| 05/25/2004 | US6741810 Signal demultiplexing device and signal routing device in high speed transmission system | 
| 05/25/2004 | US6741771 Structure for adjusting waveforms of optical filters used in a dense wavelength division multiplexing system | 
| 05/25/2004 | US6741408 Thermally stable mounting for a diffraction grating device | 
| 05/25/2004 | US6741389 Optical transmission system and optical transmission method utilizing Raman amplification | 
| 05/21/2004 | WO2004042966A1 Method for carrying out infrared data transmission | 
| 05/21/2004 | WO2003073137A8 Systems and methods for active monitoring and management of fiber links | 
| 05/21/2004 | WO2003027739A8 Littrow grating based oadm | 
| 05/21/2004 | WO2003026179A8 Mapping of bit streams into mpeg frames | 
| 05/21/2004 | CA2444078A1 Reconfigurable optical add/drop multiplexer with buried dispersion compensation module | 
| 05/20/2004 | US20040096226 Method and device for receiving a signal in optical cdma system | 
| 05/20/2004 | US20040096221 Wavelength division multiplexing source using multifunctional filters | 
| 05/20/2004 | US20040096220 Optical transmisssion system and optical transmission device | 
| 05/20/2004 | US20040096219 Grooming of channels in wavelength devision multiplexed optical communication systems | 
| 05/20/2004 | US20040096217 Compensator for compensation of higher-order chromatic dispersion | 
| 05/20/2004 | US20040096216 Transmission route applicability inspection system in wavelength division multiplexing optical transmission network system | 
| 05/20/2004 | US20040096213 Method and apparatus for deploying forward error correction in optical transmission networks and the deployment of photonic integrated circuit (PIC) chips with the same | 
| 05/20/2004 | US20040096143 Coherent optical detector and coherent communication system and method | 
| 05/20/2004 | US20040095636 Dynamic optical spectral control scheme for optical amplifier sites | 
| 05/19/2004 | EP1420608A1 Systems and devices for interconnected optical WDM networks utilising preassigned sub-bands | 
| 05/19/2004 | EP1420520A2 Despreading of a CPM (continuous phase modulation) spread-spectrum signal | 
| 05/19/2004 | EP1419595A1 Optical transmission systems, devices, and methods | 
| 05/19/2004 | CN1498477A Grooming of channels in WDM aptical communication systems | 
| 05/19/2004 | CN1498476A WDM optical communications system | 
| 05/19/2004 | CN1497895A 光传输系统 The optical transmission system | 
| 05/19/2004 | CN1497894A Dense wave division multiplex passive optical network system for self-implant locked Fabry-Perot laser diode | 
| 05/19/2004 | CN1497892A Optical transmitter, optical receiver and optical transmission system using them | 
| 05/19/2004 | CN1497247A Optical sampling system of simultaneous monitoring intensity modulation and frequency modulation |