| Patents for H04J 14 - Optical multiplex systems (27,009) |
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| 09/03/2009 | US20090220241 Chromatic dispersion compensation designing method in optical network and a system thereof |
| 09/03/2009 | US20090220240 High-speed bandpass serial data link |
| 09/03/2009 | US20090220239 Methods and apparatus for optical transmission of digital signals |
| 09/03/2009 | US20090220238 Method, device and communication equipment for controlling a burst assembly |
| 09/03/2009 | US20090220237 Optical wavelength multiplexing device, optical wavelength dividing device, optical wavelength dividing multiplexing device, and method of controlling optical band-pass filter |
| 09/03/2009 | US20090220236 Multidrop communications system using wave division multiplexing |
| 09/03/2009 | US20090220235 Three-arm dqpsk modulator |
| 09/03/2009 | US20090220234 Optical Waveband Demultiplexer, Optical Waveband Multiplexer, and Optical Waveband Selective Switch |
| 09/03/2009 | US20090220233 Wavelength selective switch having distinct planes of operation |
| 09/03/2009 | US20090220232 Code division multiplex communication system |
| 09/03/2009 | US20090220231 Methods and Systems for Delivery of Multiple Passive Optical Network Services |
| 09/03/2009 | US20090220230 Passive Optical Network Based On Reflective Semiconductor Optical Amplifier |
| 09/03/2009 | US20090220229 Transparent switching fabric for multi-gigabit transport |
| 09/03/2009 | US20090220228 Wide Free-Spectral-Range, Widely Tunable and Hitless-Switchable Optical Channel Add-Drop Filters |
| 09/02/2009 | EP2096780A2 Multidrop communications system using wave division multiplexing |
| 09/02/2009 | EP2096779A2 Optical adding and dropping device and optical transmission apparatus |
| 09/02/2009 | EP2096778A2 Code division multiplex communication system |
| 09/02/2009 | EP2095553A1 Method and device for hitless tunable optical filtering |
| 09/02/2009 | EP2095552A1 Method and device for hitless tunable optical filtering |
| 09/02/2009 | EP1131910B1 Code-based optical networks, methods, and apparatus |
| 09/02/2009 | CN101523252A Apparatus for forming a WDM signal having orthogonally polarized optical channels |
| 09/02/2009 | CN101521837A System and method for achieving online updating for dynamic wavelength division multiplexing passive optical network |
| 09/02/2009 | CN101521836A System and method for online updating of bandwidth of optical network unit in wavelength division multiplexing optical access network |
| 09/02/2009 | CN101521555A Code division multiplex communication system |
| 09/02/2009 | CN101521545A High-density optical fiber distributing hub |
| 09/02/2009 | CN101521544A Optical communication apparatus, optical communication system and method for transmitting optical signal |
| 09/02/2009 | CN101521542A 光通信系统 The optical communication system |
| 09/02/2009 | CN101520529A Method for designing arbitrary duty ratio unequal band width optical interleaver |
| 09/02/2009 | CN100536374C Chromatic dispersion compensating apparatus |
| 09/01/2009 | US7583900 Modular optical transceiver |
| 09/01/2009 | US7583898 Signal-detect-based ranging technique for burst-mode optical systems |
| 09/01/2009 | US7583896 Optical-wireless hybrid transmission system and optical-wireless hybrid transmission method |
| 09/01/2009 | US7583895 Polarization scrambler, optical add/drop multiplexer, optical route switching apparatus and wavelength division multiplexing optical transmission system |
| 09/01/2009 | US7583669 Dynamic multicast group management and service wavelength allocation method for communication-broadcasting convergence service in WDM-PON |
| 09/01/2009 | US7583432 Amplified optical ring transmission system |
| 08/27/2009 | WO2009105779A1 Optical receiver with two photonic ic |
| 08/27/2009 | WO2009105778A1 Optical receiver including a filter on a planar lightwave circuit |
| 08/27/2009 | WO2009104758A1 Optical ofdm receiver, optical transmission system, subcarrier separation circuit, and subcarrier separation method |
| 08/27/2009 | WO2009104396A1 Optical code division multiplexing access system |
| 08/27/2009 | US20090214218 Optical buffer device |
| 08/27/2009 | US20090214217 Optical Device and a Method for Converting WDM Signals Into an OTDM Signal and Vice Versa |
| 08/27/2009 | US20090214216 Space-time division multiple-access laser communications system |
| 08/27/2009 | US20090214215 Electronic Post-Compensation of Optical Transmission Impairments Using Digital Backward Propagation |
| 08/27/2009 | US20090214214 Optical Fiber Transmission System with Noise Loading |
| 08/27/2009 | US20090214213 Modulation device for generating optical signal with quadruple frequency and method thereof |
| 08/27/2009 | US20090214212 Method and device for channel-adapted signal transmission in optical networks |
| 08/27/2009 | US20090214211 Apparatus of adjusting optical signal transmission timing |
| 08/27/2009 | US20090214210 100 Gbit/s OFDM Optical Signal Generation |
| 08/27/2009 | US20090214209 Bandwidth allocation method, optical line terminator, optical network unit, communication system, and recording medium recording program of device |
| 08/27/2009 | US20090214208 Balanced Bufferless Switch |
| 08/27/2009 | US20090214207 Packaging a reconfigurable optical add-drop module |
| 08/27/2009 | US20090214206 Bandwidth allocation method, optical line terminator, subscriber station, communication system, and recording medium recording program of device |
| 08/27/2009 | US20090213874 Dynamic Bandwidth Allocation Based On Partial Cycles |
| 08/26/2009 | EP2093923A1 Transmitting, receiving method and apparatus for realizing service data recovery |
| 08/26/2009 | EP2093904A1 Bandwidth allocation method, optical line terminator, subscriber station, communication system, and recording medium program of device |
| 08/26/2009 | EP2092673A1 Method and device for hitless tunable optical filtering |
| 08/26/2009 | EP2092391A1 Magneto-opto micro-ring resonator and switch |
| 08/26/2009 | CN101517946A Color based network security |
| 08/26/2009 | CN101517938A Optical modulator |
| 08/26/2009 | CN101515837A 100 Gbit/s OFDM optical signal generation |
| 08/26/2009 | CN100534022C Method and device for connecting light cross linking channel and non-relative expense |
| 08/26/2009 | CN100534012C Method and apparatus for reducing data burst overhead in an Ethernet passive optical network |
| 08/25/2009 | US7580641 Repeater and optical communication system |
| 08/25/2009 | US7580636 Optical switch and method for controlling optical path thereof |
| 08/25/2009 | US7580635 Method, apparatus and system for optical communications |
| 08/25/2009 | US7580631 Optical transmission device for controlling optical level of transmission signal in optical transmission system |
| 08/25/2009 | US7580630 Spectral shaping for optical OFDM transmission |
| 08/25/2009 | US7580347 Synchronization of remote units using multiple adjustments |
| 08/25/2009 | CA2430797C Method and system for identification of channels in an optical network |
| 08/20/2009 | WO2009100772A1 Sending and receiving information |
| 08/20/2009 | WO2009100580A1 A system and method for implementing automatic discovery function in dwdm network |
| 08/20/2009 | WO2009100575A1 A method and apparatus for realizing source routing in the blocked cross network |
| 08/20/2009 | US20090208227 Optical apparatus and use method thereof for passive optical network system |
| 08/20/2009 | US20090208224 Optical field receiver, optical multilevel signal receiver, and optical transmission system |
| 08/20/2009 | US20090208221 Optical space transmission system using visible light and infrared light |
| 08/20/2009 | US20090208218 Method and apparatus for dispatching signals in an optical transport network |
| 08/20/2009 | US20090208217 Radiation modulation by reflection from controlled composite material |
| 08/20/2009 | US20090208216 Dispersion compensation |
| 08/20/2009 | US20090208215 Method and device for stabilizing multi-channel optical signal wavelengths |
| 08/20/2009 | US20090208214 Extinction ratio control using a frequency spread tone to modulate optical signal power levels |
| 08/20/2009 | US20090208213 Code division multiplex signal receiving apparatus and code division multiplex transmitting and receiving system |
| 08/20/2009 | US20090208212 Bidirectional wavelength-division-multiplexed passive optical network |
| 08/20/2009 | US20090208211 Optical communications network and intensity adjustment method for optical communications network |
| 08/20/2009 | US20090208209 Reconfigurable optical filters formed by integration of electrically tunable microresonators |
| 08/20/2009 | US20090208208 Method, apparatus and system for transmitting ethernet signals in optical transport network |
| 08/20/2009 | US20090208207 System, method and computer readable medium for providing dual rate transmission on a gigabit passive optical network |
| 08/20/2009 | US20090208206 Systems and methods for private network-to-network interface out-of-band signaling and path blocking |
| 08/20/2009 | US20090208201 Fast fault notifications of an optical network |
| 08/20/2009 | US20090208200 Synchronous optical signal generating device and synchronous optical signal generating method |
| 08/20/2009 | US20090207482 Optical transmission system using raman amplifier and controlling method thereof |
| 08/19/2009 | EP2091166A1 Passive optical network communication system |
| 08/19/2009 | EP2090007A1 Method and system for band blocking in an optical telecommunication network |
| 08/19/2009 | EP2027662A4 Apparatus and method for transferring optical data in optical switching system |
| 08/19/2009 | EP1227606B1 Optical transmission device and optical repeating device |
| 08/19/2009 | CN101510811A 无源光网络通信系统 Passive optical network communication systems |
| 08/19/2009 | CN101510810A Device, system and method for automatically closing laser based on light sensitive element |
| 08/19/2009 | CN100531052C Method for analyzing root warning for multi-manufacturer DWDM network management system |
| 08/19/2009 | CN100529797C All-fiber Raman scattering laser radar system based on wavelength-division multiplex technology for diffracting |
| 08/18/2009 | US7577368 Optical communication apparatus and optical add/drop apparatus |
| 08/18/2009 | US7577363 Optical device and method of converting WDM signals into an OTDM signal and vice versa |