Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
03/2003
03/13/2003US20030048526 Optical amplifier
03/13/2003US20030048525 Method, device, and system for level equalization
03/13/2003US20030048513 Multi-channel optical transceiver
03/13/2003US20030048509 Optical communications terminal station, optical signal transmission method, and optical signal increasing method in wavelength multiplexing system
03/13/2003US20030048508 Terminals having sub-band substitute signal control in optical communication systems
03/13/2003US20030048507 Optical switch, optical amplifier and optical power controller as well as optical add-drop multiplexer
03/13/2003US20030048505 Techniaue for live insertion of transceiver modules in a telecommunication system
03/13/2003US20030048504 WDM network node module
03/13/2003US20030048503 Multi-frequency light source
03/13/2003US20030048502 Methods of signal substitution for maintenance of amplifier saturation
03/13/2003US20030048498 Optical performance monitor
03/13/2003US20030048497 Bit differential processing
03/13/2003CA2458649A1 Free-space wavelength routing systems with interleaved channels
03/12/2003EP1292072A2 System and method for transmission protection in an optical ring built with a single optical fiber
03/12/2003EP1292056A2 A multi-channel optical loading channel transmitter
03/12/2003EP1292055A1 CWDM network node module
03/12/2003EP1290834A2 Multiple access system for communications network
03/12/2003EP1290815A2 Optical transmission system with control of the chromatic dispersion
03/12/2003CN1402460A All-optical exchange structure with extensible multicast function
03/12/2003CN1402034A Using (110) silicon wafer to manufacture micromechanical photoswitch, array of photoswitch and method
03/12/2003CN1103151C Network apparatus and method for providing two-way broadband communications
03/12/2003CN1103150C Optical multiple wavelength communications system and method
03/11/2003US6532324 Optical multiplexer/demultiplexer with three waveguides
03/11/2003US6532322 Channel equalizer with acousto-optic variable attenuators
03/11/2003US6532320 Equipments, transpondor and methods for optical fiber transmission
03/11/2003US6532103 Optical fiber amplifier and optical transmission system using the same
03/11/2003US6532099 Optical communications apparatus
03/11/2003US6532088 System and method for packet level distributed routing in fiber optic rings
03/10/2003CA2665714A1 Dynamic bandwidth allocation circuit, dynamic bandwidth allocation method, optical network unit, pon system, and dynamic bandwidth allocation program and recording medium
03/10/2003CA2402012A1 Wavelength blocker
03/06/2003WO2003019974A1 Optical switching device for wavelength division multiplex (wdm) telecommunications network
03/06/2003WO2003019839A2 Architectural arrangement for core optical networks
03/06/2003WO2003019259A1 Optical wavelength division multiplexed device
03/06/2003WO2003019258A1 Optical communications systems, devices, and methods
03/06/2003WO2003019240A2 Optical communications systems, devices, and methods
03/06/2003WO2003005611A3 System and method for communicating optical signals to multiple subscribers having various bandwidth demands connected to the same optical waveguide
03/06/2003WO2002103418A3 Integrated optical device
03/06/2003WO2002025368A9 Optical wavelength-converting apparatus
03/06/2003WO2002018983A3 Wide range tunable optical filter
03/06/2003WO2002011332A9 Wavelength selectable optical add-drop multiplexer
03/06/2003WO2001099347A9 Shared optical ring protection in a multi-fiber ring
03/06/2003US20030046293 Method and system for channel count and power control in optical networks
03/06/2003US20030044111 Multi-channel optical loading channel transmitter
03/06/2003US20030044110 WDM switch using OADM and control method thereof
03/06/2003US20030044109 Optical add-drop multiplexing apparatus
03/06/2003US20030044101 Electrically switchable optical elements using wavelength locked feedback loops
03/06/2003US20030043855 Communication network, and node device used therein and control method therefor
03/06/2003US20030043471 Free-space dynamic wavelength routing systems with interleaved channels for enhanced performance
03/06/2003US20030043431 Simultaneous demultiplexing and clock recovery of high-speed OTDM signals using a tandem electro-absorption modulator
03/06/2003US20030043429 High capacity backbone
03/06/2003US20030043427 Method of fast circuit recovery using local restoration
03/06/2003CA2458722A1 Optical switching device for wavelength division multiplex (wdm) telecommunications network
03/06/2003CA2458440A1 Optical communications systems, devices, and methods
03/06/2003CA2399514A1 Multiple grating optical waveguide monitor
03/05/2003EP1289332A2 System and method for establishing redundant paths in a transport network
03/05/2003EP1287394A2 Low loss fiber optic jumper with electronic presence detection
03/05/2003EP1210628A4 Segmented thin film add/drop switch and multiplexer
03/05/2003CN1400765A Method for eliminating drop-in in voice storage and regeneration system
03/05/2003CN1400763A Method for implementing power equalization of dense wavelength divison multiplex system
03/05/2003CN1102819C Network system as no arbitration control required, node device utilized in network system, and transmission control method for node device
03/04/2003US6529656 Bi-Directional add/drop multiplexer and bidirectional add/drop amplifier module for wavelength interleaved bidirectional networks
03/04/2003US6529305 Optical transmission apparatuses, methods, and systems
03/04/2003US6529303 Optical communications networks utilizing frequency division multiplexing
03/04/2003US6529302 Channel switching in wavelength encoded optical communication systems
03/04/2003US6529300 WDM optical network with passive pass-through at each node
03/04/2003US6529298 Method of deactivating working fiber resources in optical ring networks
02/2003
02/27/2003WO2003017549A1 Systems and methods for reliable communication of link monitoring information in optical communications networks
02/27/2003WO2003017548A1 Modular optical system
02/27/2003WO2003017537A1 Optical amplifier
02/27/2003WO2003017534A2 Crosstalk cancellation
02/27/2003WO2003017531A1 Systems and methods for placing line terminating equipment of optical communications systems in customer points of presence
02/27/2003WO2001095540A3 Device and method for optical performance monitoring in an optical communications network
02/27/2003WO2001093464A3 Device and method for monitoring signal direction in an optical communications network
02/27/2003US20030039462 Method for efficiently determining optical fiber parameters enabling supercontinuum (SC) generation in optical fiber
02/27/2003US20030039437 Multiplexer and demultiplexer for single mode optical fiber communication links
02/27/2003US20030039433 Optical communication circuit
02/27/2003US20030039266 Communication system, communication apparatus which can be connected to communication system, control method for control system, and control method for communication apparatus which can be connected to communication system
02/27/2003US20030039207 Transmission apparatus equipped with an alarm transfer device
02/27/2003US20030039015 Reconfigurable multi-channel transmitter for dense wavelength division multiplexing (DWDM) optical communications
02/27/2003US20030039009 Optical multiplexing transmission apparatus and system
02/27/2003US20030039008 Optical grating for coarse wavelength division multiplexing (CWDM) applications
02/27/2003US20030039003 Architectural arrangement for core optical networks
02/26/2003EP1286488A1 Optical code converter
02/26/2003EP1286487A1 Optical cascaded filter
02/26/2003EP1286206A2 Tunable, reconfigurable optical add-drop multiplexer and a switching device
02/26/2003EP1285292A1 Optical fibre comprising a bragg grating and tunability means
02/26/2003CN2538103Y Chromatic dispersion raster structure light power dynamic gain equalier
02/26/2003CN1399823A Optical power management in optical network
02/26/2003CN1399438A Band selecting add and drop device of light communication system
02/26/2003CN1399421A Gain balancing system and method in light transmission system
02/25/2003US6526199 Arrayed waveguide grating wavelength division multiplexer provided with alignment waveguides and apparatus for aligning the same
02/25/2003US6526192 Fiber fuse protection
02/25/2003US6525873 Optical amplifiers with a simple gain/output control device
02/25/2003US6525871 Optical amplification apparatus
02/25/2003US6525857 Method and apparatus for interleaved optical single sideband modulation
02/25/2003US6525853 Laser communication system and method of operation using multiple transmitters and multiple receivers with dispersive multiplexing in multimode fiber
02/25/2003US6525852 Add and drop node for an optical WDM network having traffic only between adjacent nodes
02/25/2003US6525851 High-throughput, low-latency next generation internet networks using optical label switching and high-speed optical header generation, detection and reinsertion
02/25/2003US6525850 High-throughput, low-latency next generation internet networks using optical label switching and high-speed optical header generation, detection and reinsertion
02/25/2003US6525846 Wavelength division multiplex/demultiplexing device
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