| Patents for H04J 14 - Optical multiplex systems (27,009) | 
|---|
| 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  |