| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 12/09/2009 | CN100568788C Method and apparatus for transmission of upstream data in an optical network |
| 12/09/2009 | CN100568779C Downlink device of millimeter wave optical fibre transmission system and method for generating millimeter wave and modulating information |
| 12/09/2009 | CN100568774C Wavelength branching filter and optical communication module |
| 12/08/2009 | US7630649 Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method |
| 12/08/2009 | US7630644 Optical add/drop multiplexer, control method therefor and control program therefor |
| 12/08/2009 | US7630643 Multimode optical transmission system and multimode optical transmission method |
| 12/08/2009 | US7630642 Ranging method for communication system between optical line terminal and plurality of optical network units |
| 12/08/2009 | US7630640 Bidirectional time division multiplexing optical communication system |
| 12/08/2009 | US7630639 Method and apparatus for transmission control in an ethernet passive optical network |
| 12/08/2009 | US7630638 Shared multi-lambda source for WDM PON |
| 12/08/2009 | US7630637 PON system and optical network unit |
| 12/08/2009 | US7630636 Optical swapping of digitally-encoded optical labels |
| 12/08/2009 | US7630635 Channel wavelength assignment with transient reduction |
| 12/08/2009 | US7630300 Methods and apparatus for trunking in fibre channel arbitrated loop systems |
| 12/08/2009 | US7630135 Two-dimensional blazed MEMS granting |
| 12/03/2009 | WO2009145118A1 Wavelength path communication node device, wavelength path communication control method, program, and recording medium |
| 12/03/2009 | WO2009145070A1 Wavelength‑multiplexed signal measurement device and method |
| 12/03/2009 | WO2009145066A1 Optical communication system, optical communication method, and relay device |
| 12/03/2009 | WO2009144454A1 Automatic pre-emphasis |
| 12/03/2009 | WO2009143893A1 Method for localizing an optical network termination in an optical access network |
| 12/03/2009 | WO2009143888A1 Signal power based routing in wdm all-optical networks |
| 12/03/2009 | WO2008126134A9 Optical transmission device |
| 12/03/2009 | US20090297168 Optical communication apparatus and optical add/drop apparatus |
| 12/03/2009 | US20090297165 Optical transmitting apparatus and optical communication system |
| 12/03/2009 | US20090297164 Optical transmission system and synchronization method using time reference pulse |
| 12/03/2009 | US20090297161 Optical transmission apparatus with clock selector |
| 12/03/2009 | US20090297154 Transmission-path-type specifying apparatus and transmission-path-type specifying method |
| 12/03/2009 | US20090297153 Four quadrant linearizer |
| 12/03/2009 | US20090297152 Wdm pon protection scheme using a dual port arrayed waveguide grating (awg) |
| 12/03/2009 | US20090297151 Optical transmitting apparatus and optical transmitting and receiving apparatus |
| 12/03/2009 | US20090297150 Optical transmission apparatus, optical interface device, and optical transmission method |
| 12/03/2009 | US20090297149 Optical add/drop multiplexer |
| 12/03/2009 | US20090297148 Automatic pre-emphasis |
| 12/03/2009 | US20090297147 Drive circuit and optical switch |
| 12/03/2009 | US20090297146 Multiple core system |
| 12/03/2009 | US20090297145 Trustworthy optomechanical switch |
| 12/03/2009 | US20090297143 Optical transmission apparatus and optical attenuation amount control method |
| 12/02/2009 | EP2129025A2 Optical transmitting apparatus and optical communication system |
| 12/02/2009 | EP2127158A1 Method and apparatus for dwdm line card |
| 12/02/2009 | EP2126528A1 Planar waveguide wavelength dispersive devices with multiple waveguide input aperture |
| 12/02/2009 | CN101595511A Communication apparatus |
| 12/02/2009 | CN101595410A Integrated optics arrangement for wavelength (de)multiplexing in a multi-guide vertical stack |
| 12/02/2009 | CN101594560A Optical transmission system and synchronization method using time reference pulse |
| 12/02/2009 | CN100563903C Methods for link processing using laser |
| 12/01/2009 | US7627256 Method and system for wavelength division multiplexed optical signal transmission and optical repeater |
| 12/01/2009 | US7627253 RF-photonic transversal filter method and apparatus |
| 12/01/2009 | US7627248 Method for pre-emphasis of optical signals in a transmission system comprising add-drop-modules |
| 12/01/2009 | US7627247 Optical time division multiplexing |
| 12/01/2009 | US7627246 Wavelength division multiplexing passive optical networks to transport access platforms |
| 12/01/2009 | US7627245 System and method for re-using wavelengths in an optical network |
| 12/01/2009 | US7627244 Optical transmission apparatus, continuity testing method therein, and optical transmission system |
| 12/01/2009 | US7627243 Methods and apparatuses for handling multiple failures in an optical network |
| 12/01/2009 | US7627207 Dispersion compensating method and dispersion compensating apparatus |
| 11/26/2009 | WO2009141015A1 Optical network |
| 11/26/2009 | US20090290879 Wavelength distribution for optical transport |
| 11/26/2009 | US20090290878 Generating an Optical OFDM Signal with Reduced OSNR Requirement |
| 11/26/2009 | US20090290877 Monitoring for High Speed OFDM Signal Transmission |
| 11/26/2009 | US20090290876 Light Receiver, Optical Communication System and Method |
| 11/26/2009 | US20090290875 Broadband optical network apparatus and method |
| 11/26/2009 | US20090290874 Monitoring apparatus and method for polarization scrambler and optical transmission apparatus |
| 11/26/2009 | US20090290873 Optical communication system |
| 11/26/2009 | US20090290872 Broadband optical network apparatus and method |
| 11/26/2009 | US20090290871 Signal-light identifying apparatus, wdm transceiver, and method of identifying signal light |
| 11/26/2009 | US20090290870 Apparatus and method for adjusting optical signals |
| 11/26/2009 | US20090290867 Method and apparatus for channel protection switching of optical network device |
| 11/26/2009 | CA2724394A1 Optical network |
| 11/25/2009 | EP2124355A1 Optical transmission device |
| 11/25/2009 | EP2122878A1 Backward compatible pon coexistence |
| 11/25/2009 | EP2122867A2 Method and arrangement for controlling a regenerator for data burst signals of a system comprising point-to-multipoint connections, transmission system comprising point-to-multipoint connections, and regenerator |
| 11/25/2009 | CN101588219A Optical layer protection method for ROADM in multi-node ROADM ring network |
| 11/25/2009 | CN101588218A Device and method for realizing optical power detection through balanced receiver |
| 11/25/2009 | CN101588210A Dispersion compensation circuitry and system for analog video transmission with direct modulated laser |
| 11/25/2009 | CN101588209A Self-adaptive chromatic dispersion compensation method |
| 11/25/2009 | CN101587277A All-optical wavelength converter based on composite resonant cavity |
| 11/25/2009 | CN100563138C Method for maintaining terminal-to-terminal in WDM system |
| 11/25/2009 | CN100563130C Illumination light communication device |
| 11/24/2009 | US7624311 Method and apparatus for converting interface between high speed data having various capacities |
| 11/24/2009 | US7623794 Wavelength division-multiplex system |
| 11/24/2009 | US7623791 Optical signal multiplexing device and optical signal multiplexing method |
| 11/24/2009 | US7623789 Low loss WDM add drop node |
| 11/24/2009 | US7623788 Optical wavelength division multiplexing transmitter |
| 11/24/2009 | US7623787 Wavelength division multiplexing transmission apparatus using a multiple wavelength light source |
| 11/24/2009 | US7623785 DWDM optical network planning method |
| 11/24/2009 | US7623543 Token-controlled data transmissions in communication networks |
| 11/24/2009 | US7623440 Method and system for adaptive modulation |
| 11/24/2009 | CA2422088C Network for distributing signals to a plurality of user equipment |
| 11/19/2009 | WO2009138019A1 Multi-carrier generating device, optical transmitter and multi-carrier generating method |
| 11/19/2009 | US20090285577 Optical Frontend for Integration of Optical and Wireless Networks |
| 11/19/2009 | DE102008005791B3 Verfahren zur atmosphärischen optischen Freiraumübertragung von digitalen Signalen und Empfänger für das Verfahren A method for atmospheric optical free-space transmission of digital signals and receiver for the process |
| 11/18/2009 | EP2120380A1 A method for multiplexing and de-multiplexing the low bit rate service |
| 11/18/2009 | EP2119074A1 Communications node for and method of routing optical data packet signals |
| 11/18/2009 | EP1266472B1 A method of sending packet-formed information optically using different wavelengths for address and useful information |
| 11/18/2009 | CN101583134A Wireless composite trunk equipment in railroad and connected transmission method |
| 11/18/2009 | CN101582736A Protection device and method of wave division multiplexing optical network |
| 11/18/2009 | CN101582735A Method and device for protection switching |
| 11/18/2009 | CN101582734A Access control method in wavelength division multiplexing passive optical network and device thereof |
| 11/18/2009 | CN101582721A Multicarrier generating device, optical transmitter and multicarrier generating method |
| 11/18/2009 | CN101582718A Wavelength protection method based on wavelength utilization rate in single link |
| 11/18/2009 | CN100561980C Switching method and node structure supporting burst packet and IP grouping |
| 11/18/2009 | CN100561943C A method for automatically getting optical network connection relation |