Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
11/2002
11/14/2002WO2002091027A2 Method and system for controlling amplifier power in an optical communications network having add/drop capability
11/14/2002WO2002075371A3 Dwdm ring networks using wavelength selected switches
11/14/2002WO2002071672A3 (de)multiplexer with interleaver for producing a flat-top filter function and enhanced channel separation
11/14/2002WO2002017526A3 Optical communications network with protection paths
11/14/2002WO2002003123A9 Optical tapped delay line
11/14/2002WO2001022628A9 Channel gain control for an optical communications system utilizing frequency division multiplexing
11/14/2002US20020168142 Optical performance monitor
11/14/2002US20020168138 Optical module for a parallel dispersion management
11/14/2002US20020168137 Wavelength multiplexing apparatus and signal conversion apparatus
11/14/2002US20020167966 Fiber optic synchronous digital hierarchy telecommunication network provided with a protection system shared on the network
11/14/2002US20020167897 Redundant changeover apparatus
11/14/2002US20020167742 Method for designing optical filter cards
11/14/2002US20020167716 Optical amplifier and optical transmission system
11/14/2002US20020167710 Full spectrum optical communication system and methods thereof
11/14/2002US20020167705 Multi-value modulation apparatus
11/14/2002US20020167697 Method and apparatus for free-space optical communication without eletro-optical conversion
11/14/2002US20020167695 Methods and apparatus for diffractive optical processing using an actuatable structure
11/14/2002US20020167694 Split redundant trunk architecture using passive splitters and path switching
11/14/2002US20020167245 Methods and apparatus for diffractive optical processing using an actuatable structure
11/13/2002EP1257079A2 Optical transmission system using optical signal processing in terminals for improved system performance
11/13/2002EP1257078A2 Multi-value modulation apparatus
11/13/2002EP1257076A1 Wavelength dispersion compensation module and optical transmission system including the same
11/13/2002EP0947119B1 Establishing a wireless link connecting a central terminal and a subscriber terminal of a wireless telecommunications system
11/13/2002CN1379563A Bandwidth flatened wave division multiplexer using graded air tank as output waveguide
11/12/2002US6480648 Technique for detecting the status of WDM optical signals
11/12/2002US6480328 Optical amplifier and optical amplification method for amplifying wavelength division multiplexed signal light
11/12/2002US6480310 PDS structured optical subscriber system
11/10/2002CA2385457A1 Receiver and method for a multichannel optical communication system
11/10/2002CA2385452A1 Method and system for tuning an optical signal based on transmission conditions
11/07/2002WO2002089381A1 Optical ethernet overlay for loop topology network
11/07/2002WO2002089380A2 Network transceiver for extending the bandwidth of optical fiber-based network infrastructure
11/07/2002WO2002089379A1 Integrated optical waveguide device
11/07/2002WO2002089378A1 Optical communications system and method for transmitting point-to-point and broadcast signals
11/07/2002WO2002089368A2 Method for the ocdma encoding of optical signals
11/07/2002WO2002089367A2 Multi-function optical performance monitor
11/07/2002WO2002088808A1 Arrangement for multiplexing and/or demultiplexing the signals of at least two optical wavelength channels
11/07/2002WO2002037726A3 Bulk optical (de)multiplexer apparatus and method of packaging
11/07/2002WO2001063802A9 Multiple wavelength laser source
11/07/2002US20020165962 Embedded controller architecture for a modular optical network, and methods and apparatus therefor
11/07/2002US20020164139 Wavelength division multiplexed transmission path and dispersion-compensating fiber used therein
11/07/2002US20020164117 Optical fiber transmission-line
11/07/2002US20020163705 Electroabsorption modulator integrated distributed feedback laser transmitter
11/07/2002US20020163698 Optical communication system and method of assigning signal channels
11/07/2002US20020163696 Fiber bragg grating-based optical CDMA encoder/decoder
11/07/2002US20020163695 Time slot scheduling for shared-medium communications networks
11/07/2002US20020163694 Apparatus for optical communications
11/07/2002US20020163692 Method and apparatus for adding wavelength components to and dropping wavelength components from a dense wavelength division multiplexed optical signal
11/07/2002US20020163691 Compact wavelength filter using optical birefringence and reflective elements
11/07/2002US20020163690 Flexible and low cost wavelength management for optical networking
11/07/2002US20020163689 Method and apparatus for wavelength conversion
11/07/2002US20020163688 Optical communications system and vertical cavity surface emitting laser therefor
11/07/2002US20020163687 Optical CWDM-system
11/07/2002US20020163685 System and method for routing working and protect paths
11/07/2002US20020163683 Performance optimizer for transmission systems
11/07/2002US20020163682 Online distributed path routing method and system
11/07/2002US20020163645 All-optical bit phase sensing
11/07/2002DE10118959A1 Verfahren zur Ansteuerung eines Laser-basierenden 3R Regenerators A method of driving a laser based 3R regenerator
11/07/2002DE10118958A1 3R Regenerator mit Wellenlängenumsetzung 3R regenerator with wavelength conversion
11/07/2002CA2445805A1 Optical communications system and method for transmitting point-to-point and broadcast signals
11/07/2002CA2445764A1 Method for the ocdma encoding of optical signals
11/06/2002EP1255365A2 Arrangement and method for monitoring the performance of DWDM multiwavelenght systems
11/06/2002EP1255364A2 Method and apparatus for monitoring WDM optical signal
11/06/2002CN1378729A Connection of ADD/DROP node
11/06/2002CN1094007C Self-heating network
11/05/2002US6477354 Communication system transmitting modulated orthogonal carries with service units that scan spectrum to identify assigned band
11/05/2002US6477300 Method, device, and system for waveform shaping of signal light
11/05/2002US6477291 Method and system for in-band connectivity for optical switching applications
11/05/2002US6476946 Channel add and drop method and system for wavelength-division multiplex optical transmission
11/05/2002US6476945 Wavelength allocation in a ring
10/2002
10/31/2002WO2002087277A2 Optical transmission systems including multi-casting systems, apparatuses, and methods
10/31/2002WO2002087127A1 Optical cwdm-system
10/31/2002WO2002087126A2 Optically interconnecting multiple processors
10/31/2002WO2002087114A2 Optical encoding/decoding device
10/31/2002WO2002087091A2 Burst-mode digital transmitter
10/31/2002WO2002086568A2 Optical interferometer for demultiplexing an optical sound
10/31/2002WO2002059658A9 Multi-channel optical filter
10/31/2002WO2002023245A3 Tunable add/drop filter
10/31/2002WO2001097487A3 Automatic assignment of addresses to nodes in a network
10/31/2002WO2001053864A9 Wavelength-selective module
10/31/2002US20020159697 Configuration for multiplexing and/or demultiplexing the signals of at least two optical wavelength channels
10/31/2002US20020159690 Optical multiplexer/demultiplexer with three waveguides
10/31/2002US20020159688 High-speed wavelength channel selector and high-speed photonic integrated circuit-type space and wavelength multiplexed channel selector employing the same
10/31/2002US20020159686 Optical channel selector
10/31/2002US20020159679 Method and apparatus for providing gain equalization to an optical signal in an optical communication system
10/31/2002US20020159151 Optical interleaver using mach-zehnder interferometry
10/31/2002US20020159141 Widely tunable and integrated optical system and method
10/31/2002US20020159130 Transponder and wavelength division-multiplexing optical transmission equipment
10/31/2002US20020159117 Optical add/drop device
10/31/2002US20020159116 Optical transmission system and optical transmitter used therein
10/31/2002US20020159115 Optical ethernet overlay for loop topology network
10/31/2002US20020159114 Method and apparatus for routing signals through an optical network
10/31/2002US20020159113 Alarm control system and method
10/31/2002CA2444360A1 Optical encoding/decoding device
10/30/2002EP1253731A1 Method and transmission system to optimise the transmission characteristics of an optical wavelength division multiplex system
10/30/2002EP1253730A2 Method and system for optical spectrum analysis with matched filter detection
10/30/2002EP1252793A2 Transparent optical switch
10/30/2002EP1252792A2 Linear optical transmission system with failure protection
10/30/2002EP0712552B1 Optical fibre communications system
10/30/2002CN1377154A Multi-wavelength optical albel transceiver based on wavelength-time encode method
10/30/2002CN1376945A Polarized light interference method for comb-shaped sub-wave
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