| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 01/14/2009 | CN100452690C Method and arrangement for reducing the signal degradation in an optical polarisation-multiplex signal |
| 01/14/2009 | CN100452689C Raman light enlarging system |
| 01/14/2009 | CN100452680C Device for compensating polarizing diffusion in optical transmitting system |
| 01/14/2009 | CN100451697C Fiber Bragg grating device |
| 01/13/2009 | US7477845 Method and apparatus for reducing data burst overhead in an ethernet passive optical network |
| 01/13/2009 | US7477843 Method of and system for routing in a photonic network |
| 01/13/2009 | US7477807 Monolithic transmitter photonic integrated circuit (TxPIC) semiconductor chip |
| 01/13/2009 | US7477447 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 |
| 01/08/2009 | WO2009005867A2 Method and apparatus for transmitting multiple channels in a wavelength division multiplexed optical communication system |
| 01/08/2009 | WO2009004682A1 Optical reception circuit |
| 01/08/2009 | WO2009004668A1 Wavelength division multiplexing system and method for detecting input disconnection of optical signal |
| 01/08/2009 | US20090010649 Optical access network with legacy support |
| 01/08/2009 | US20090010647 Method and apparatus for routing communications in a mesh network |
| 01/08/2009 | US20090010646 Optical pulse time spreading device |
| 01/08/2009 | US20090010645 Node device and label management method in optical transmission network |
| 01/08/2009 | US20090010640 Audio/video signal repeater |
| 01/08/2009 | DE102007027883A1 Verfahren und opto-elektrischer Wandler für Trägerfrequenz-Multiplexsysteme Procedures and opto-electrical converter for carrier frequency-division multiplexing systems |
| 01/08/2009 | CA2683156A1 Method and apparatus for transmitting multiple channels in a wavelength division multiplexed (wdm) optical communication system with reduced raman crosstalk and nonlinear distortions |
| 01/07/2009 | EP2011264A1 Self-checking optical add drop multiplexer |
| 01/07/2009 | EP1797687B1 Fibre channel transparent switch for mixed switch fabrics |
| 01/07/2009 | EP1644804A4 Multi-wavelength, bi-directional optical multiplexer |
| 01/07/2009 | CN101341682A System and method for controlling the flooding of information in a network environment |
| 01/07/2009 | CN101340735A Apparatus, method and system for signal gathering and degathering |
| 01/07/2009 | CN101340247A Method for compensating polarization mode dispersion in wave division multiplexing system |
| 01/07/2009 | CN101340246A Ethernet passive optical network capable of lengthening transmission distance |
| 01/07/2009 | CN100449978C Wave division multiroute multiplying passive optical network system |
| 01/06/2009 | US7474854 Optical transmission system |
| 01/06/2009 | US7474853 Non-blocking all-optical switching network dynamic data scheduling system and implementation method |
| 01/06/2009 | US7474850 Reroutable protection schemes of an optical network |
| 01/06/2009 | US7474827 Devices and methods for all-optical processing and storage |
| 01/06/2009 | US7474460 Optical modulation apparatus |
| 01/06/2009 | CA2310767C Communication apparatus and communication system |
| 01/01/2009 | US20090003830 Loss of signal detection |
| 01/01/2009 | US20090003829 Dwdm hybrid pon lt configuration |
| 01/01/2009 | US20090003828 Systems and methods for host identification |
| 01/01/2009 | US20090003827 Optical switching device |
| 01/01/2009 | US20090003826 Optical Sub-Assembly with Electrically Conductive Paint, Polymer or Adhesive to Reduce EMI or Sensitivity to EMP or ESD |
| 12/31/2008 | WO2009001437A1 Optically interfacing method and its apparatus |
| 12/31/2008 | WO2009001100A1 A method and device for digitising an electrical signal |
| 12/31/2008 | WO2008124733A3 Reconfigurable optical add drop multiplexer core device, procedure and system using such device, optical light distributor, and coupling-ratio assigning procedure |
| 12/31/2008 | EP2009827A1 Device for optical time demultiplexing |
| 12/31/2008 | EP2009824A2 Method of Communicating Data in Communication Systems |
| 12/31/2008 | EP2008378A2 System and method for implementing a boosterless optical communication system |
| 12/31/2008 | EP1741209B1 System and method for subcarrier modulation in ism band as supervisory channel |
| 12/31/2008 | EP1419595A4 Optical transmission systems, devices, and methods |
| 12/31/2008 | EP1348265B1 Maintaining quality of packet traffic in optical network when a failure of an optical link occurs |
| 12/31/2008 | CN201174705Y Apparatus capable of periodic optical impulse waveform shaping and wavelength transforming |
| 12/31/2008 | CN201174701Y All-optical rate promoting system for optical data package with long frame construction |
| 12/31/2008 | CN101335589A Optical pulse time spreading device |
| 12/31/2008 | CN100448230C Station for optical network suitable for inserting packets into a stream of packets in transit |
| 12/30/2008 | US7471902 Wavelength allocation method of signal light, and optical transmission apparatus and wavelength division multiplexing optical transmission system using the method |
| 12/30/2008 | US7471900 Passive optical network system and method of transmitting broadcasting signal in same |
| 12/30/2008 | US7471899 WDM-PON system based on wavelength-tunable external cavity laser light source |
| 12/30/2008 | US7471895 Method and apparatus for obtaining status information concerning optical amplifiers located along an undersea optical transmission line using COTDR |
| 12/30/2008 | US7471859 Programmable optical grating device and method |
| 12/30/2008 | US7471857 Method of tuning optical components integrated in a monolithic photonic integrated circuit (PIC) |
| 12/30/2008 | US7471741 Method, apparatus and system for high-speed transmission on fiber optic channel |
| 12/30/2008 | US7471699 Station for optical network suitable for inserting packets into a stream of packets in transit |
| 12/25/2008 | US20080317472 Power Line Communication System Using Hybrid-Fiber Coaxial and Communication Device Used in the System |
| 12/25/2008 | US20080317469 Passive optical network system and ranging system thereof |
| 12/25/2008 | US20080317468 Amplified Wavelength Broadband Video Distribution Architectures Using An External Waveguide |
| 12/25/2008 | US20080317467 Amplified Wavelength Broadband Video Distribution Architectures |
| 12/25/2008 | US20080317466 Multi-ring network operating method and system |
| 12/25/2008 | US20080317465 Method and System for Implementing Transport Service of Ngn |
| 12/25/2008 | US20080317464 Base Station System |
| 12/25/2008 | US20080317463 Optical transmitter system |
| 12/25/2008 | US20080316591 Optical amplifier |
| 12/24/2008 | WO2008157517A2 Passive optical network system for the delivery of bi-directional rf services |
| 12/24/2008 | WO2008154860A1 Client signal transport method and apparatus in optical transport network |
| 12/24/2008 | EP2007049A1 Device for transmitting multi-rate optical signals |
| 12/24/2008 | EP2007042A2 Wavelength division multiplexing system and residual dispersion compensating device and method thereof |
| 12/24/2008 | EP2007041A1 Optical amplifier |
| 12/24/2008 | EP2007037A1 Polarization modulation scheme for intra-channel non-linear suppression |
| 12/24/2008 | CN101331699A Method and device for digitising electrical signal |
| 12/24/2008 | CN101330764A Method for direct communication between optical network units and passive optical network system |
| 12/24/2008 | CN101330344A Method for protecting sub-path when single link is fault in a WDM network |
| 12/24/2008 | CN100446449C Comb type wave filter |
| 12/24/2008 | CN100446448C Serial-parallel conversion technology and device of high-speed optical signal |
| 12/24/2008 | CN100446447C Film filter |
| 12/24/2008 | CA2690818A1 Passive optical network system for the delivery of bi-directional rf services |
| 12/23/2008 | US7469103 Add/drop multiplexer for OTN/DWDM rings utilizing a pair of muxponders |
| 12/23/2008 | US7469102 Wavelength-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelength tracking components |
| 12/23/2008 | US7469080 Modular all-optical cross-connect |
| 12/23/2008 | US7468891 Compact enclosure for SONET multiplexer cards and SONET multiplexer card having front panel access to electrical and optical connectors |
| 12/23/2008 | CA2388316C Optical fibre transmission system using rz pulses |
| 12/18/2008 | WO2008154181A1 Response to otuk-bdi for otn interfaces to restore bidirectional communications |
| 12/18/2008 | WO2008151370A1 High frequency optical processing |
| 12/18/2008 | US20080310845 High brightness light source using light emitting devices of different wavelengths and wavelength conversion |
| 12/18/2008 | US20080310844 Hybrid Optoelectronic Module |
| 12/18/2008 | US20080310843 Passive optical network system for the delivery of bi-directional rf services |
| 12/18/2008 | US20080310842 Docsis compatible pon architecture |
| 12/18/2008 | US20080310840 Optical Communication Network and Method of Routing in the Network |
| 12/18/2008 | US20080310839 Distributed Packet Switch for Use in a Network |
| 12/18/2008 | US20080310838 Independent upstream/downstream bandwidth allocations in a common hybrid telecommunications network |
| 12/17/2008 | EP2003805A2 Wavelength multiplex transmission apparatus, control method and control program |
| 12/17/2008 | EP2003798A2 Method for feeding an optical sum signal to an optical amplifier, optical amplifier device, tree-shaped optical network and central station |
| 12/17/2008 | EP2002584A2 Fibre channel over ethernet |
| 12/17/2008 | EP2002574A1 A depolarised wdm source |
| 12/17/2008 | EP2002296A1 Planar lightwave filter with mixed diffraction elements |
| 12/17/2008 | CN101326750A Optical transmission system and method |