| Patents for H04J 14 - Optical multiplex systems (27,009) |
|---|
| 05/19/2004 | CN1150412C Optical division/insertion multiplexer capable for being configurated dynamically |
| 05/18/2004 | US6738582 Synchronization system for all optical slotted ring dynamic networks |
| 05/18/2004 | US6738581 Network control system for optical communication networks |
| 05/18/2004 | US6738580 Wavelength division multiplex transmission system using asymmetrical filtering |
| 05/18/2004 | US6738579 Synchronous digital communications system |
| 05/18/2004 | US6738578 Optical communication method and apparatus |
| 05/18/2004 | US6738543 Hitless tunable wavelength filters |
| 05/18/2004 | US6738540 Optical cross-connect switch using programmable multiplexers/demultiplexers |
| 05/18/2004 | US6738184 Optical amplifier for amplifying multi-wavelength light |
| 05/18/2004 | US6738181 Optical sending apparatus and channel extension method |
| 05/18/2004 | US6738179 Method and device for shaping the waveform of an optical signal |
| 05/18/2004 | CA2320613C Switch for optical signals |
| 05/13/2004 | WO2004040811A1 Wavelength division multiplexing optical transmission system |
| 05/13/2004 | WO2003032550A3 Optical-inclusive dwdm local area network |
| 05/13/2004 | US20040091266 Optical transmission system, optical multiplexer, and optical demultiplexer |
| 05/13/2004 | US20040091265 Passive optical network using loop back of multi-wavelength light generated at central office |
| 05/13/2004 | US20040091263 Wavelength-division multiplexing optical communication system |
| 05/13/2004 | US20040091262 Method and optical coder for coding a signal in an optical fibre network |
| 05/13/2004 | US20040091199 WDM optical communications system |
| 05/13/2004 | US20040091195 Device and method for variable attenuation of an optical channel |
| 05/13/2004 | US20040090999 Singal multiplexing circuit and optical communication system transmitter |
| 05/13/2004 | US20040090665 Separating apparatus for time division multiplexed signal light, and optical receiving apparatus and optical transmission system using the same |
| 05/13/2004 | DE10248059A1 Optical add/drop multiplexer has controlled group switch unit for connecting group multiplex signal of channel multiplexer unit to one or other optical group wavelength multiplexer/demultiplexer unit |
| 05/12/2004 | EP1418691A2 Passive optical network using loop back of multi-wavelength light generated at central office |
| 05/12/2004 | CN2615682Y Three-focus realized extra-low ripple wave wide-pass band wave division multiplexing device |
| 05/12/2004 | CN1496047A Demultiplexer for optical time-division multiplexing signal |
| 05/12/2004 | CN1496031A Optical user network system for receiving broadcasting/communication signal |
| 05/12/2004 | CN1495500A Optical amplifier, compensating method for gain to temp commply with relation and optical transmission channel |
| 05/12/2004 | CN1495453A 光学开关和光学网络 Optical switches and optical network |
| 05/12/2004 | CN1495451A Single mode optical fibre |
| 05/12/2004 | CN1149774C Reference wave length providing equipment of performance monitor in wave division comples optical transmitting system |
| 05/12/2004 | CN1149773C Optical transmission systems using optical amplifiers and wavelength division multiplexing |
| 05/12/2004 | CN1149759C Method for transmitting additional data singnals and useful data singal by means of optical links |
| 05/12/2004 | CN1149415C 光学开关和光学网络 Optical switches and optical network |
| 05/11/2004 | US6735725 Method and apparatus for performance management of a multiplexed transmission system |
| 05/11/2004 | US6735397 Skew discovery and compensation for WDM fiber communications systems using 8b10b encoding |
| 05/11/2004 | US6735395 WDM communication system utilizing WDM optical sources with stabilized wavelengths and light intensity and method for stabilization thereof |
| 05/11/2004 | US6735392 System and method for transmitting and restoring an optical signal |
| 05/11/2004 | US6735391 Automatic retrieval of wavelength-division multiplexed ring networks |
| 05/11/2004 | US6735390 Method and apparatus for terminating optical links in an optical network |
| 05/11/2004 | US6735358 Optical multiplexer and optical demultiplexer |
| 05/06/2004 | WO2004038492A1 Optical signal amplifying three-terminal device, optical signal transfer method using same, optical signal relay device, and optical signal storage device |
| 05/06/2004 | WO2002065679A8 Bidirectional wdm optical communication network |
| 05/06/2004 | US20040086279 Wavelength-division multiplexing optical transmission system and repeater station therein |
| 05/06/2004 | US20040086277 System and method for increasing upstream communication efficiency in an optical network |
| 05/06/2004 | US20040086218 Apparatus and method for optical signal processing system |
| 05/06/2004 | US20040085625 Optical amplifying repeater apparatus and optical amplifying/repeating transmission system |
| 05/06/2004 | EP1415423A1 An optical demultiplexer |
| 05/06/2004 | EP1415418A2 An apparatus and method for multiplexing and/or demultiplexing optical signals having substantially equal dispersion |
| 05/06/2004 | EP1415417A1 Optical band scanning monitor system and method |
| 05/05/2004 | CN1494778A Optically amplified back-up receiver |
| 05/05/2004 | CN1494777A 光发射机系统 Optical transmitter system |
| 05/05/2004 | CN1494776A Bidirectional WDM optical communicatrion network with data bridging plural optical channels between bidirectional optical waveguides |
| 05/05/2004 | CN1494250A Full optical fiber network two fiber bidirectional loop channel shared protective device |
| 05/04/2004 | US6731883 System and method for demultiplexing in optical communication systems |
| 05/04/2004 | US6731878 Free space optical communication link with diversity |
| 05/04/2004 | US6731876 Packet transmission device and packet transmission system |
| 05/04/2004 | US6731875 Wavelength bus architecture for ultra-high speed dense wavelength division multiplexed systems |
| 05/04/2004 | US6731838 Athermalization and pressure desensitization of diffraction grating based WDM devices |
| 05/04/2004 | US6731836 Dispersion compensator |
| 05/04/2004 | US6731830 Asymmetric compatible network element |
| 05/04/2004 | US6731597 Method and a system for interconnecting ring networks |
| 05/04/2004 | US6731425 Modular Raman pump double-multiplexer |
| 04/29/2004 | WO2004036832A1 Wireless communication system |
| 04/29/2004 | WO2004036801A1 Optical add/drop multiplexer and ring structure for transmitting data by means of an optical wavelength multiplex system |
| 04/29/2004 | WO2003032549A3 Digital optical network architecture |
| 04/29/2004 | US20040081471 Method and apparatus for providing data confidentially for very high-speed multiple-wavelength optical data links |
| 04/29/2004 | US20040081470 Optical communications |
| 04/29/2004 | US20040081463 Optical CDMA transmitting apparatus and method for transmitting bipolar data |
| 04/29/2004 | US20040081462 All-optical packet routing gates and demultiplexing systems |
| 04/29/2004 | US20040081461 Optical communication system |
| 04/29/2004 | US20040081460 Optical switching apparatus, optical transmission system and method of setting up for optical signal route |
| 04/29/2004 | US20040081459 Remote test unit within a communications network |
| 04/29/2004 | US20040081421 Wavelength multiplexing method and an apparatus thereof |
| 04/29/2004 | US20040080812 Raman amplifier |
| 04/28/2004 | EP1413078A1 Diffractive fourier optics for optical communications |
| 04/28/2004 | EP1413022A2 Wavelength division multiplex optical wavelength converter |
| 04/28/2004 | EP1151560A4 Multi-channel wave division multiplexer system |
| 04/28/2004 | CN2613939Y Optical cross exchange communication apparatus |
| 04/28/2004 | CN1492619A Light signal-noise ratio monitoring method for optical transmission system |
| 04/28/2004 | CN1492618A Method and device for connecting light cross linking channel and non-relative expense |
| 04/28/2004 | CN1492617A Array type wave guide multiplexing/demultiplexing device |
| 04/28/2004 | CN1492616A 薄膜滤波器 Thin-film filter |
| 04/28/2004 | CN1492602A Double optical fiber light ring shape net |
| 04/28/2004 | CN1492242A Method for producing optical fiber array element |
| 04/28/2004 | CN1148029C Optical wave interleaving transmitter and receiver modules |
| 04/28/2004 | CN1148028C Optical spectral multiplexer for inserting and extracting |
| 04/27/2004 | US6728489 Optical transmission system constructing method and system |
| 04/27/2004 | US6728487 Drive method for a plurality of acousto-optic filters, acousto-optic filter apparatus, and selective wavelength extension method |
| 04/27/2004 | US6728486 Communication system and method with optical management bus |
| 04/27/2004 | US6728485 Optical network |
| 04/27/2004 | US6728484 Method and apparatus for providing channel provisioning in optical WDM networks |
| 04/27/2004 | US6728465 Semi-reconfigurable subband OADM |
| 04/27/2004 | US6728445 Closed-loop control of tunable optical wavelength filters |
| 04/27/2004 | US6728436 Optical signal modulation method and optical signal transmission system for high speed transmission system |
| 04/27/2004 | US6728207 Self-healing ring network and a method for fault detection and rectifying |
| 04/22/2004 | WO2004034621A2 A wavelenght-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelenght tracking components |
| 04/22/2004 | WO2004015459A3 Compact wavelength-selective optical crossconnect |
| 04/22/2004 | WO2003104849A3 Optical ring network with nodes and method |
| 04/22/2004 | WO2003043178A3 Frequency agile spread waveform generator and method and pre-processor apparatus and method |