| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 12/16/2008 | US7466929 Method and system for superheterodyne detection of an optical input signal |
| 12/16/2008 | US7466921 Drop-and-continue device |
| 12/16/2008 | US7466920 Chromatic dispersion compensating apparatus |
| 12/16/2008 | US7466919 System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion, of RF service bands within wavelength bands |
| 12/16/2008 | US7466918 Wavelength allocation in regional access network with optical add-drop multiplexers |
| 12/16/2008 | US7466916 Hybrid optical and data networks |
| 12/16/2008 | US7466915 Mirror controller for optical switch |
| 12/16/2008 | US7466914 Optoelectronic switch having cascaded optical nodes |
| 12/16/2008 | US7466913 Method for WDM optical networks including alternate routes for fault recovery |
| 12/16/2008 | US7466882 Monolithic transmitter/receiver photonic integrated circuit (Tx/RxPIC) transceiver chip |
| 12/16/2008 | US7466881 Optical switch |
| 12/16/2008 | US7466478 Optical-level control method, optical-level control apparatus and wavelength-multiplexing optical network |
| 12/11/2008 | WO2008150754A1 Optical link quality monitoring in a computer network |
| 12/11/2008 | WO2008148337A1 Interleaving for 10g gpon |
| 12/11/2008 | US20080304830 Passive optical network, equipment and method for supporting multicast service |
| 12/11/2008 | US20080304829 Wavelength multiplex transmission apparatus, control method, and control program |
| 12/11/2008 | US20080304828 Optical communication system using wdma and cdma |
| 12/11/2008 | US20080304827 Frequency Shift Keying Demodulator |
| 12/11/2008 | US20080304826 Semiconductor optical amplifier for an external cavity diode laser |
| 12/11/2008 | US20080304822 Response to OTUk-BDI for OTN Interfaces to Restore Bidirectional Communications |
| 12/10/2008 | EP1813042B1 Communications method, particularly for a mobile radio network |
| 12/10/2008 | CN101321124A Branch routing search recovery method of wavelength changeable optical network double-link failure |
| 12/10/2008 | CN101321032A Photosignal waveshape recording method and apparatus |
| 12/10/2008 | CN101321031A Sharing protection method and system for wavelength division multiplexing looped network |
| 12/10/2008 | CN101321018A Microwave/millimeter wave generator based on array wave-guide optical grating and optical fiber optical grating |
| 12/10/2008 | CN101321017A 光通信系统 The optical communication system |
| 12/10/2008 | CN101320114A Production method of frequency domain transmission function shape dynamic tuning optical spectrum wave filter |
| 12/10/2008 | CN100442761C Transmission method and process device of Ethernet service signal in wave division duplex network |
| 12/09/2008 | US7463832 Thermal drift compensation system and method for optical networks |
| 12/09/2008 | US7463829 Optical transmission apparatus and control method therefor |
| 12/09/2008 | US7463797 Wavelength multiplexed light source and wavelength multiplexed light source system |
| 12/09/2008 | US7462812 Optical switch apparatus and optical switching system |
| 12/09/2008 | CA2487187C Multi-wavelength generating method and apparatus based on flattening of optical spectrum |
| 12/09/2008 | CA2343725C Wdm transmitter and receiver |
| 12/04/2008 | WO2008147672A1 Method and apparatus for reducing crosstalk in a dwdm transmission system |
| 12/04/2008 | WO2008146967A1 Apparatus for combining and splitting wavelength band having four input and output ports |
| 12/04/2008 | WO2008146910A1 Optical amplifier |
| 12/04/2008 | WO2008145464A1 An optical pon network using passive dpsk demodulation |
| 12/04/2008 | WO2008145067A1 System and method for wavelength conversion and switching |
| 12/04/2008 | WO2008145061A1 Method, device, communication apparatus and communication system for bandwidth allocation |
| 12/04/2008 | US20080298807 Systems and methods for interference prediction |
| 12/04/2008 | US20080298806 Interleaving for 10G GPON |
| 12/04/2008 | US20080298805 System and Method for Wavelength Conversion and Switching |
| 12/04/2008 | US20080298804 Tuning select fiber optic channels for channel monitoring |
| 12/04/2008 | US20080298803 System and method for protection of point to multipoint passive optical network |
| 12/04/2008 | CA2703634A1 Method and apparatus for reducing crosstalk in a dwdm transmission system |
| 12/04/2008 | CA2688280A1 An optical pon network using passive dpsk demodulation |
| 12/03/2008 | EP1998503A1 Resilient optical burst ring failure protecting method, apparatus and failure processing method |
| 12/03/2008 | EP1998481A2 Passive optical network communication method and system |
| 12/03/2008 | EP1997252A1 Adding and dropping wavelength-channels |
| 12/03/2008 | EP1451959B1 Mmi based device |
| 12/03/2008 | CN201159779Y Reconfigurable optical add-drop multiplexer with multiport dropping or adding meanwhile |
| 12/03/2008 | CN101316449A Passive optical network communication method and system |
| 12/03/2008 | CN101316150A Wavelength division multiplexing system and method supporting double-video service broadcast distribution |
| 12/03/2008 | CN101316141A Band width distribution method, device, communication apparatus and system |
| 12/03/2008 | CN101315442A Wide band domain Density Wavelength Division Multiplexing device |
| 12/03/2008 | CN100440810C A method to automatically obtain inner connection relation of optical network node |
| 12/03/2008 | CN100440804C Method for searching path in network layer and network transmission managing system |
| 12/03/2008 | CN100440769C Optical multiplex loop system |
| 12/03/2008 | CN100439957C Wavelength selective switch |
| 12/02/2008 | US7460789 Optical transmission system and method of controlling optical transmission system |
| 12/02/2008 | US7460785 Performance monitoring in an optical communication system |
| 12/02/2008 | US7460784 Method for preemphasising an optical multiplex signal |
| 12/02/2008 | US7460783 Method and apparatus for dynamic provisioning of reliable connections in the presence of multiple failures |
| 12/02/2008 | US7460744 Ring type optical transmission system and optical apparatus connected to same |
| 12/02/2008 | US7460742 Method and apparatus for providing an antireflection coating on the output facet of a photonic integrated circuit (PIC) chip |
| 12/02/2008 | US7460537 Supplementary header for multifabric and high port count switch support in a fibre channel network |
| 12/02/2008 | CA2325580C Wdm transmission repeater, wdm transmission system and wdm transmission method |
| 11/27/2008 | WO2008141442A1 Transmitter and receiver for optical communication systems |
| 11/27/2008 | WO2008119557A3 Concept for the adjustment of optical filter wavelengths |
| 11/27/2008 | WO2007143169A3 Network protection switching mechanisms and methods of network protection |
| 11/27/2008 | US20080292318 Optical transmission device,optical transmission method, and recording medium thereof |
| 11/27/2008 | US20080292317 Integrated multiplexer/demultiplexer having offset transmitters and receivers for use in an optical transceiver module |
| 11/27/2008 | US20080292316 Method and Apparatus for Reducing Crosstalk in a DWDM Transmission System |
| 11/27/2008 | US20080292315 Anti Clipping Circuit For Laser Transmitters |
| 11/27/2008 | US20080292314 Optical link monitoring system and method for passive optical network |
| 11/27/2008 | US20080292313 Methods, Systems, and Computer-Readable Media for Ranging a Device in a Point-to-Multipoint Network |
| 11/27/2008 | US20080291820 Method for Allocating Frequency Domain Spread Code in Base Station of Mc-Cdma Communication System |
| 11/27/2008 | US20080291529 Raman pump power control for gain flattening |
| 11/26/2008 | EP1994659A1 Bidirectional optical amplifier array |
| 11/26/2008 | EP1994653A1 Method and system for integrated dwdm transmitters |
| 11/26/2008 | EP1378083A4 Optical filter and multiplexer formed by thin-film layers |
| 11/26/2008 | CN201156739Y Novel four-terminal light node add/drop multiplexer |
| 11/26/2008 | CN201156092Y Novel optical add-drop multiplexer with construction reconfigurable |
| 11/26/2008 | CN101312383A Optical transmission equipment, optical transmission system and optical terminal station |
| 11/26/2008 | CN100438387C Optical transmitting system |
| 11/26/2008 | CN100437177C Optical device with tunable coherent receiver |
| 11/25/2008 | US7457854 Automatic assignment of addresses to nodes in a network |
| 11/25/2008 | US7457549 Sub signal modulation apparatus, sub signal demodulation apparatus, and sub signal modulation demodulation system |
| 11/25/2008 | US7457544 Single channel four-port group delay compensation equalizer |
| 11/25/2008 | US7457543 Add/drop module for single fiber wavelength division multiplexing systems |
| 11/25/2008 | US7457542 Optical access network system |
| 11/25/2008 | US7457541 System for integrating broadcasting and communication technologies while ensuring qualities of services |
| 11/25/2008 | US7457540 System and method for shaping traffic in optical light-trails |
| 11/25/2008 | US7457539 2×2 optical switch |
| 11/25/2008 | US7457537 Optical telecommunication system with automatic channel switching |
| 11/25/2008 | US7457354 Method and device of analyzing a signal transmitted via a communication link |
| 11/20/2008 | WO2008139755A1 Common key encryption communication system |
| 11/20/2008 | WO2008112202A3 Method and apparatus for switching optical wavelengths |
| 11/20/2008 | WO2008097323A3 Converting optical information encoding |