Patents for H04J 14 - Optical multiplex systems (27,009) |
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12/13/2006 | CN1290282C Non-uniform light convergence device and divergence device and layered mixing light cross-linking system |
12/13/2006 | CN1289942C Prepn process of NEMS electrically adjustable light attenuator chip |
12/12/2006 | US7149434 System and method for optical communication |
12/12/2006 | US7149431 Self-seeded Fabry-Perot laser device for wavelength division multiplexing system |
12/12/2006 | US7149429 Coarse wavelength division multiplexing system |
12/12/2006 | US7149428 OSNR monitoring method and apparatus using tunable optical bandpass filter and polarization nulling method |
12/12/2006 | US7149427 Cooperating array of micromirror devices for wireless optical communication |
12/12/2006 | US7149426 Optical routers and redundancy |
12/12/2006 | US7149424 Method and device for evaluating and improving the quality of transmission of a telecommunications signal through an optical fiber |
12/12/2006 | US7149387 Double diffraction grating with flat passband output |
12/12/2006 | US7149384 Grating design |
12/12/2006 | CA2352264C Add/drop multiplexing in wdm optical networks |
12/07/2006 | WO2006130130A1 Scheduling method and system for optical burst switched networks |
12/07/2006 | WO2006128254A1 Wdm optical performance monitoring |
12/07/2006 | US20060275038 Methods and apparatus for selective signal amplification |
12/07/2006 | US20060275037 Methods and apparatus for multiple signal amplification |
12/07/2006 | US20060275036 Method and apparatus for automatically upgrading passive optical networks (PONs) |
12/07/2006 | US20060275034 Fully protected broadcast and select all optical network |
12/07/2006 | US20060274994 Optical device |
12/07/2006 | DE102006025122A1 Vorrichtung zur Messung einer optischen Charakteristik An apparatus for measuring an optical characteristic |
12/06/2006 | CN1874291A Optical node and method of supporting network structure of superposition model, and peer-to-peer model in optical Internet |
12/06/2006 | CN1874199A Optical transmission equipment and integrated circuit |
12/06/2006 | CN1874197A Wavelength division multiplex method of optical fiber access for XDSL signal in multiplepath |
12/06/2006 | CN1874195A Multiplexing / demultiplexing ROADM based on TFF |
12/06/2006 | CN1874194A Optical CDMA access metwork with shared light source |
12/06/2006 | CN1288869C A WDM optical transmission system with automatic link gain adjustment and method thereof |
12/06/2006 | CN1288868C Integrated dynamic light add and drop multiplexer module based on filter wave light switch unit |
12/06/2006 | CN1288464C Bulk optical interferometer |
12/05/2006 | US7146107 Method and apparatus for adjusting filter device |
12/05/2006 | US7146104 Method and system for providing a return data path for legacy terminals by using existing electrical waveguides of a structure |
12/05/2006 | US7146103 Optical communications using multiplexed single sideband transmission and heterodyne detection |
12/05/2006 | US7146102 Optical cross-connect device |
12/05/2006 | US7146101 Optical media management channel |
12/05/2006 | US7146099 Method and apparatus for optical signal and noise analysis using pulse amplitude histogram |
12/05/2006 | US7146077 Optical coupler type filter and wavelength stabilizing apparatus of light source using the same |
12/05/2006 | US7146071 Optical transmission system |
12/05/2006 | US7146066 Wavelength division multiplexing optical transmission system |
12/05/2006 | US7145718 Control method of optical fiber amplifier and optical transmission system |
12/05/2006 | US7145717 Optical amplifier |
12/05/2006 | US7145710 Optical processing |
12/05/2006 | US7145704 Optical logic gate based optical router |
12/05/2006 | CA2333436C Optical multiplexer/ demultiplexer |
11/30/2006 | WO2006125881A1 Frequency-addressing matrix routing head for light beams |
11/30/2006 | WO2005082035A3 A method and apparatus for optical performance monitoring |
11/30/2006 | US20060269295 Optical double sideband modulation technique with increased spectral efficiency |
11/30/2006 | US20060269294 Optical transmission equipment and integrated circuit |
11/30/2006 | US20060269291 Optical communication system |
11/30/2006 | US20060269289 Communications system |
11/30/2006 | US20060269286 Optical pulse time spreading device |
11/30/2006 | US20060269285 Optical network system and method for supporting upstream signals propagated according to a cable modem protocol |
11/30/2006 | US20060269284 Optical transmission apparatus, continuity testing method therein, and optical transmission system |
11/30/2006 | DE10112805B4 Optisches Übertragungssystem mit verbessertem Signal-zu-Rausch-Verhalten An optical transmission system with an improved signal-to-noise ratio |
11/30/2006 | CA2609723A1 Optical code-routed networks |
11/30/2006 | CA2609159A1 Frequency-addressing matrix routing head for light beams |
11/29/2006 | EP1727304A2 Optical transmission apparatus, continuity testing method therein and optical transmission system |
11/29/2006 | EP1726183A1 Optically controlled optical-path-switching-type data distribution apparatus and distribution method |
11/29/2006 | EP1726112A2 Methods and apparatus for confidentiality protection for fibre channel common transport |
11/29/2006 | EP1488547A4 Systems and methods for active monitoring and management of fiber links |
11/29/2006 | CN2842887Y Multi plexing communication interface circuit |
11/29/2006 | CN1870485A Off-axis wavelength division multiplexer |
11/29/2006 | CN1870471A System and method of suppressing self-excitation in multi-section shared protection based on optical ring network |
11/29/2006 | CN1870470A Two-fibre two-way multi-section shared protection optical fiber ring network |
11/29/2006 | CN1870469A Optical split insertion duplexer based on acousto-optic tunable wave filter |
11/29/2006 | CN1287558C Recovering method for optical transmission circular network wrong connection business |
11/29/2006 | CN1287541C Wavelength division multiplex (WDM) optical network |
11/28/2006 | US7142787 Optical data transmission method and its system, optical transmitter and its method, and optical switcher |
11/28/2006 | US7142785 Light branching/inserting apparatus and light branching apparatus using wavelength selection filter |
11/28/2006 | US7142784 Microprocessor-based optical signal conditioner |
11/28/2006 | US7142783 Method and system for identification of channels in an optical network |
11/28/2006 | US7142782 Noise light elimination method, noise light elimination apparatus and optical transmission system, using stimulated brillouin scattering |
11/28/2006 | US7142750 Optical coincidence system for narrowing the width of output pulses relative to optical signal and control pulses |
11/28/2006 | US7142749 System and method for controlling spectral passband profile |
11/28/2006 | US7142735 Acousto-optic tunable filter controller |
11/28/2006 | US7142347 Method and system for processing photonic systems using semiconductor devices |
11/23/2006 | WO2006124532A2 Method and system for mitigating raman crosstalk in an ethernet passive optical network |
11/23/2006 | WO2006124101A2 Accommodating multiple optical segments in an ethernet passive optical network |
11/23/2006 | WO2006123646A1 Wavelength division multiplexing optical transmitting device and wavelength division multiplexing optical transmitting method |
11/23/2006 | US20060265482 Automatic assignment of addresses to nodes in a network |
11/23/2006 | US20060263090 Low-cost WDM source with an incoherent light injected Fabry-Perot laser diode |
11/23/2006 | US20060263089 Output stage for carrying out wdm message transmission and methods for exchanging full light sources in an output stage of this type |
11/23/2006 | US20060263088 Optical packet switching apparatus and methods |
11/23/2006 | US20060263087 Method and system for using a time to live field in a fibre channel switch element |
11/23/2006 | US20060263008 Hitless tunable optical add drop multiplexer with vernier gratings |
11/23/2006 | DE112004001540T5 Erzeugen von Sätzen maßgeschneiderter Laserimpulse Generating sets of customized laser pulses |
11/23/2006 | DE10024238B4 Verfahren zur Qualitäts-und Identitätskontrolle von Wellenlängenkanälen in optischen Übertragungsnetzen A method for quality control and identity of wavelength channels in optical transmission systems |
11/22/2006 | EP1724633A1 Laser light source device, exposure apparatus using this laser light source device, and mask examining device |
11/22/2006 | EP1723740A1 Wdm systems and methods |
11/22/2006 | EP1602188B1 Add-drop device and cross-connect device for wavelength multiplex signals |
11/22/2006 | CN2840526Y Reconfigurating optical add/drop multiplexing device |
11/22/2006 | CN1866809A Optical buffer with adjustable delay time and output wavelength |
11/22/2006 | CN1866808A Multiplex/demultiplex method and apparatus for wavelength-division multiplex system |
11/22/2006 | CN1866807A Optical pulse time spreading device |
11/22/2006 | CN1866795A 光通信系统 The optical communication system |
11/22/2006 | CN1866794A Method and system for determining the performance of a heterogeneous optical transmission system |
11/22/2006 | CN1866647A Double-wavelength series connection distribution feedback laser adapted to coarse wavelength division multiplexing |
11/21/2006 | US7139487 Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method |
11/21/2006 | US7139486 Method and apparatus for optical add/drop multiplexing in optical networks |
11/21/2006 | US7139485 Channel balancing of a wavelength division multiplexed optical signal |
11/21/2006 | US7139484 Signal transmission method in WDM transmission system, and WDM terminal, optical add-drop multiplexer node, and network element used in the same system |
11/21/2006 | US7139483 Optical communication system |