Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
08/2003
08/14/2003WO2002048751A9 Dense wavelength division multiplexing (dwdm) fiberoptic source
08/14/2003WO2001094990A3 Polarisation-insensitive diffraction grating for wavelength division multiplexer
08/14/2003US20030154497 Optical coaxial hybrid transmission system
08/14/2003US20030152393 Micro-nano scale hetrodyne wavelength division demultiplexing for microscopy/tomography having parallel data acquisition
08/14/2003US20030152392 Data compression apparatus and method therefor
08/14/2003US20030152388 Optical transmission equipment for suppressing a four wave mixing and optical transmission system
08/14/2003US20030152386 Efficient multi-format optical transport of broadband signals for DWDM cable TV networks
08/14/2003US20030152385 Wavelength division multiplexing optical performance monitors
08/14/2003US20030151803 Method and system for controlling amplifier power in an optical communications network having add/drop capability
08/14/2003US20030151802 Highly scalable modular optical amplifier based subsystem
08/14/2003US20030151801 System and method for optical performance data collection
08/14/2003CA2474756A1 Wavelength division multiplex optical telecommunications network
08/13/2003EP1335627A2 Optical network, optical cross-connect apparatus, photonic-IP network, and node
08/13/2003EP1335626A2 High speed healing ring for optical transport networks
08/13/2003EP1335551A2 Reception of CPM spread-spectrum communications
08/13/2003EP1335550A2 Differential phase encoding apparatus
08/13/2003EP1335515A2 Transmission capacity expanding method and optical transmission terminal
08/13/2003CN2566542Y Wavelength-division multiplex optical communication transmission device with light amplification automatic gain adjustment
08/13/2003CN2566285Y Integrated ferroelectric micromirror optical switch
08/13/2003CN1436385A Method for controlling performance of optical amplifier
08/13/2003CN1435965A Distributed wavelength multiplexing multi-walength optical network system
08/13/2003CN1435964A Method and apparatus for implementing modulation in optical transmission system
08/12/2003US6606433 Optical multi/demultiplexer
08/12/2003US6606351 Ingress protection in a communication system with orthogonal carriers
08/12/2003US6606189 Light amplifier and light amplifying method
08/12/2003US6606188 Optical repeater using raman amplification, wavelength division multiplexed light transmission system, excitation light supply method and excitation light control method for raman amplification
08/12/2003US6606178 Method and system to reduce FWM penalty in NRZ WDM systems
08/12/2003CA2318080C Wavelength-selective optical add/drop using tilting micro-mirrors
08/12/2003CA2216401C Optical network and arrangement and method in such network
08/07/2003WO2003065758A1 Apparatus, system and method for optical packet switching using frequency header
08/07/2003WO2003065621A1 A method for decreasing and compensating the transmission loss at a wavelength-division-multiplexed passive optical network and an apparatus therefor
08/07/2003WO2003065348A1 Karaoke communication system and data communication system
08/07/2003WO2003065218A1 Mesh protection service in a communications network
08/07/2003WO2002080453A3 Methods and apparatus for reconfigurable wdm lightpath rings
08/07/2003WO2002033865A3 Free-space and integrated add-drop optical modules for optical wavelength-division multiplexed systems
08/07/2003WO2001095542A3 Athermalization and pressure desensitization of diffraction grating based spectrometer devices
08/07/2003US20030147657 Nano-scale resolution optical pickup for reading/writing ultra-high density data on CD and DVD data storage elements
08/07/2003US20030147649 Optical module
08/07/2003US20030147648 Arrangement for producing a wavelength-multiplex signal having small interchannel spaces
08/07/2003US20030147647 Optical multiplex communication system, optical transmission apparatus, and control method of optical multiplex communication
08/07/2003US20030147645 Optical network, optical cross-connect apparatus, photonic-IP network, and node
08/07/2003US20030147585 Equipments including transponder for optical fiber transmission
08/07/2003US20030147356 High speed healing ring for optical transport networks
08/07/2003US20030147352 Path establishment method for establishing paths of different fault recovery types in a communications network
08/07/2003US20030147123 Optical amplifier, excitation light source control method for use in optical amplifier, and optical amplifier control method
08/07/2003US20030147116 Method and apparatus for pulse generation and adaptive pulse generation for optical communications
08/07/2003US20030147114 Method and apparatus for synchronizing a pulse carver and a data modulator for optical telecommunication
08/06/2003EP1333606A2 Transmission of CPM spread spectrum communications
08/06/2003EP1333603A2 Optical coaxial hybrid transmission system
08/06/2003EP1333590A2 Correlator for reception of CPM spread-spectrum communications
08/06/2003EP1333589A2 Reception of CPM spread spectrum communications
08/06/2003EP1333300A2 Optical multiplexer based on an arrayed waveguide grating (AWG)
08/06/2003EP1040607B1 A method and a system for coding wdm signals
08/06/2003CN1435070A Four-fiber ring optical cross-connect system using 4†ù4 switch matrices
08/06/2003CN1434995A Wavelength selectable fiber laser system
08/06/2003CN1434326A Period polarized magnesium doped lithium niobate all light switch and preparation process thereof
08/06/2003CN1434316A Optical passive device with optical gain function and based on array waveguide interference device
08/06/2003CN1434310A Optical packet-switched networks node structure based on adjustable laser
08/06/2003CN1434308A Photo passive device adopting multilayer optical waveguide and basing on array waveguide waveguide interference device
08/06/2003CN1117465C Ip group communication system
08/06/2003CN1117448C Orthogonal frequency division multiplexing reference carrier replay device
08/06/2003CA2418437A1 Optical module
08/06/2003CA2418384A1 Optical network, optical cross-connect apparatus, photonic-ip network, and node
08/05/2003US6603904 All optical narrow pulse generator and switch for dense time division multiplexing and code division multiplexing
08/05/2003US6603902 Wavelength selective variable reflector
08/05/2003US6603899 Optical bus
08/05/2003US6603890 Compensation for polarization-mode dispersion in multiple wavelength-division multiplexed channels without separate composition for each individual channel
08/05/2003US6603822 Communicating errors in a telecommunications system
08/05/2003US6603585 Multiple-wavelength optical communication system with optical amplifiers
08/05/2003US6602000 Reconfigurable add/drop for optical fiber communication systems
08/04/2003CA2416768A1 Optical multiplexer and method for its production
07/2003
07/31/2003WO2003063401A2 Methods and apparatuses to provide a wavelength division-multiplexing passive optical network based on wavelength-locked wavelenght-division- multiplexed light sources
07/31/2003WO2003063400A2 Method for securing an optical telecommunication ring network
07/31/2003WO2003063399A2 Method of seamless migration from static to agile optical networking
07/31/2003WO2003062885A1 Modular multiplexing/demultiplexing units in optical transmission systems
07/31/2003WO2002104064A3 Optical connection arrangements
07/31/2003WO2002082157A9 Two-fiber optical shared protection ring with a bi-directional 4x4 optical switch fabric
07/31/2003WO2002003123A3 Optical tapped delay line
07/31/2003US20030142981 Optical apparatus using a phase grating
07/31/2003US20030142980 Optical communication network and optical communication network designing method used therefor
07/31/2003US20030142978 Method for decreasing and compensating the transmission loss at a wavelength-division-multiplexed passive optical network and an apparatus therefor
07/31/2003US20030142391 Optical amplification apparatus
07/31/2003US20030142378 Apparatus for optical communications
07/30/2003EP1331748A2 Method of securing an optical ring telecommunication network and amplified communication node and traffic concentrator
07/30/2003EP1175743A4 Intrinsic securing of fibre optic communication links
07/30/2003EP0907993B1 Optical amplifier modules
07/30/2003CN1433601A Wavelength dispersion compensation module and optical transmission system including the same
07/30/2003CN1433181A Non-uniform light waveband convergence device and divergence device and layer mixing light cross-linking system
07/30/2003CN1432843A Light filter and transmission system with the light filter
07/30/2003CN1116719C Optical circuit of producing light for laser on multiple wavelength
07/29/2003US6600852 Wavelength selective device and switch and method thereby
07/29/2003US6600849 Control system for optical cross-connect switches
07/29/2003US6600846 Single-etalon, multi-point wavelength calibration reference and fully integrated optical system using the same
07/29/2003US6600760 Method and apparatus for tuning a laser
07/29/2003US6600604 Athermal thin film filter
07/29/2003US6600596 Method and system for controlling amplifier power in an optical communications network having add/drop capability
07/29/2003US6600584 Multiplex optical communication system
07/29/2003US6600583 Optical internet router
07/29/2003US6600582 Optical add/drop wavelength switch
07/29/2003US6600581 Connection verification in optical cross-connect arrangements
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