| Patents for H04J 14 - Optical multiplex systems (27,009) |
|---|
| 05/28/2002 | US6396604 Dark pulse TDMA optical network |
| 05/28/2002 | US6396603 Monitoring the stability of the wavelength of a light signal in an optical communications system employing wavelength division multiplexing and having a wavelength stabilization circuit |
| 05/28/2002 | US6396573 System and method for optically testing broadcasting systems |
| 05/28/2002 | CA2356712A1 Optical fiber and optical communication system using this optical fiber |
| 05/28/2002 | CA2253485C Optical clock division |
| 05/28/2002 | CA2244478C Wavelength-selective and loss-less optical add/drop multiplexer |
| 05/28/2002 | CA2227247C Broadband flat gain optical amplifier |
| 05/23/2002 | WO2002041067A2 Reconfigurable, all optical add/drop nodes using non-interrupting switching apparatus |
| 05/23/2002 | WO2002005438A3 Bi-directional wavelength switched ring optical protection switching protocol |
| 05/23/2002 | WO2002003107A3 Improved shortest path first restoration routing in a fiberoptic network |
| 05/23/2002 | US20020061165 Wavelength division multiplexing apparatus |
| 05/23/2002 | US20020061161 Optical switch |
| 05/23/2002 | US20020061158 Optical switch |
| 05/23/2002 | US20020061157 Cascadable large optical cross-connect |
| 05/23/2002 | US20020061035 Optical transmission device and optical transmission system using the same |
| 05/23/2002 | US20020060826 Optical polarization encoder |
| 05/23/2002 | US20020060821 Multiple-wavelength optical communication system with optical amplifiers |
| 05/23/2002 | US20020060785 Technique for combined spectral, power, and polarization monitoring |
| 05/22/2002 | EP1207643A1 Device for Wavelength selection and conversion, and photonic matrix switch comprising the same |
| 05/22/2002 | EP1207642A2 Method and apparatus for terminating optical links in an optical network |
| 05/22/2002 | CN1350739A Telecommunication network |
| 05/22/2002 | CN1085453C Wavelength division multiplexed transmission system and transmitting method using the same |
| 05/21/2002 | US6393176 Dense wavelength division multiplexer which includes a dense optical channel comb filter |
| 05/21/2002 | US6392991 Communication network, node apparatus used in the network, and their control method |
| 05/21/2002 | US6392770 Multi-point optical transmission system |
| 05/21/2002 | US6392751 Optimized interferometrically modulated array source |
| 05/20/2002 | CA2363625A1 Optical switch |
| 05/20/2002 | CA2363609A1 Control system for optical cross-connect switches |
| 05/20/2002 | CA2338934A1 Optical switch |
| 05/20/2002 | CA2327862A1 Optical switch |
| 05/20/2002 | CA2326362A1 Optical switch |
| 05/17/2002 | CA2363402A1 Quality of service(qos) based supervisory network for optical transport systems |
| 05/16/2002 | WO2002039636A1 Bidirectional wdm optical communication network with optical bridge between bidirectional optical waveguides |
| 05/16/2002 | WO2002039635A1 Multiplexer structure |
| 05/16/2002 | WO2002039632A1 Terminal multiplexer structure |
| 05/16/2002 | WO2001067159A3 Optical switching apparatus and method of assembly |
| 05/16/2002 | US20020057868 Compact optical multiplexer/demultiplexer |
| 05/16/2002 | US20020057867 Wavelength router |
| 05/16/2002 | US20020057866 Apparatus for adding wavelength components in wavelength division mulitplexed optical signals using multiple wavelength sagnac interferometer switch |
| 05/16/2002 | US20020057860 Reconfigurable, all optical add/drop nodes using non-interrupting switching apparatus and methods |
| 05/16/2002 | US20020057488 Wavelength selector and converter device and a photonic switching matrix incorporating it |
| 05/16/2002 | US20020057477 Underwater optical transmission system and switchable underwater repeater |
| 05/16/2002 | US20020057476 Collective detection method and detection system for wavelength fluctuations in wavelength division multiplexing optical communication system, and wavelength division multiplexing optical transmission apparatus equipped with this detection system |
| 05/16/2002 | US20020057474 System for providing high connectivity communications over a packet-switched optical ring network using composite packets |
| 05/16/2002 | CA2412395A1 Wavelength-selective optical fiber components using cladding-mode assisted coupling |
| 05/15/2002 | EP1206158A2 Optical switch |
| 05/15/2002 | EP1206143A1 Modular network elements |
| 05/15/2002 | EP1206142A1 Terminal multiplexer structure |
| 05/15/2002 | EP1206078A1 Light burst transmission/reception control system, parent station device used in the same, child station device, and light burst transmission/reception control method |
| 05/15/2002 | EP1206060A1 Multiplexer structure |
| 05/15/2002 | EP1206059A2 Method for transmission of concatenated data signals |
| 05/15/2002 | CN1349692A Device and method for filtering optical wavelengths |
| 05/15/2002 | CN1349689A Intrinsic securing of fibre optic communication links |
| 05/15/2002 | CN1085032C Interconnected passive optical network and method for communicaltions among terminals on optical communication network |
| 05/14/2002 | US6389188 Hybrid wavelength selective optical router and switch |
| 05/14/2002 | US6388806 Upgradable, gain flattened fiber amplifiers for WDM applications |
| 05/14/2002 | US6388803 Article comprising a broad band optical amplifier |
| 05/14/2002 | US6388800 Raman amplifier with gain enhancement from optical filtering |
| 05/14/2002 | US6388784 Digital optical transmitter and digital optical receiver making communication by superposing subdata on modulated waveform of main data |
| 05/14/2002 | US6388783 Narrow band wavelength division multiplexer and method of multiplexing optical signals |
| 05/14/2002 | US6388782 Multi-wavelength dense wavelength division multiplexed optical switching systems |
| 05/14/2002 | US6388781 Apparatus for time division/wave division conversion |
| 05/14/2002 | US6388753 All-optical bit phase sensing and clock recovery apparatus and methods |
| 05/14/2002 | CA2212050C Point-to-multipoint broadband services drop with multiple time slot return channel for customer premises equipment |
| 05/10/2002 | WO2002037727A1 Optical routers and redundancy |
| 05/10/2002 | WO2002037726A2 Bulk optical (de)multiplexer apparatus and method of packaging |
| 05/10/2002 | WO2002037720A2 An apparatus and method for multiplexing and/or demultiplexing optical signals having substantially equal dispersion |
| 05/10/2002 | WO2002037624A2 Wavelength-selective demultiplexer |
| 05/10/2002 | WO2002037141A2 Optical interleaver filter |
| 05/10/2002 | WO2002011296A3 A fault protection scheme |
| 05/10/2002 | WO2001096910A3 Thermally stable mounting for a diffraction grating device |
| 05/10/2002 | WO2001046731A3 Reconfigurable add/drop multiplexer for fiber optic networks |
| 05/10/2002 | WO2001041542A3 Method of spectrally tuning a filter |
| 05/09/2002 | US20020054648 Method for equalizing channel quality differences in a WDM system |
| 05/09/2002 | US20020054407 Optical cross-connecting device |
| 05/09/2002 | US20020054406 Bidirectional WDM optical communication network with optical bridge between bidirectional optical waveguides |
| 05/09/2002 | US20020054405 Extensions to resource reservation protocol (RSVP) -traffic engineering (TE) for bi-directional optical path setup |
| 05/09/2002 | US20020054294 Temperature insensitive mach-zehnder interferometers and devices |
| 05/08/2002 | EP1204238A2 High-capacity packet-switched ring network |
| 05/08/2002 | EP1203261A1 Wavelength selective device and switch and method thereby |
| 05/08/2002 | EP1203250A1 Dynamically configurable spectral filter |
| 05/08/2002 | DE10054400A1 Optical information transmission system has receiver provided with control unit for measuring propagation time variations for transmitted signal |
| 05/08/2002 | DE10047342A1 Verfahren zum Ausgleich von Kanalqualitätsunterschieden in einem WDM-System A method for compensating channel quality differences in a WDM system |
| 05/08/2002 | CN2490769Y Wavelength-division multiplex/demultiplex device |
| 05/08/2002 | CN1348644A Method and apparatus for optical system link control |
| 05/08/2002 | CN1084560C Optical transmission system and transmitting terminal station |
| 05/08/2002 | CN1084558C 光通信系统及光放大器 Optical communication systems and optical amplifiers |
| 05/08/2002 | CA2360695A1 Optical cross-connecting device |
| 05/07/2002 | US6385366 Fiber to the home office (FTTHO) architecture employing multiple wavelength bands as an overlay in an existing hybrid fiber coax (HFC) transmission system |
| 05/07/2002 | US6385206 Communication network and method, and node and exchange node used therein |
| 05/07/2002 | US6385165 Add-drop multiplexer of duplicated configuration having increased transport capacity |
| 05/07/2002 | US6384943 Optical wavelength multiplex transmission method and optical dispersion compensation method |
| 05/02/2002 | WO2002035749A2 Optical communications network and node for forming such a network |
| 05/02/2002 | WO2002035742A1 Use of opa for switching and routing in wdm networks |
| 05/02/2002 | WO2002035713A2 Method and system using holographic methodologies for all-optical transmission and reception of high bandwidth signals |
| 05/02/2002 | WO2002035665A1 Optical transmitter, optical repeater and optical receiver, and optical transmitting method |
| 05/02/2002 | WO2002035261A2 Method and apparatus for thermally compensating a birefringent optical element |
| 05/02/2002 | WO2001088571A3 Multi-channel optical transceiver |
| 05/02/2002 | WO2001067647A3 Method and apparatus for interleaved optical single sideband modulation |
| 05/02/2002 | US20020052960 Automatic assignment of addresses to nodes in a network |