Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 14 - Optical multiplex systems
Patents for H04J 14 - Optical multiplex systems (27,009)
02/2003
02/20/2003WO2003015325A1 An optical demultiplexer
02/20/2003WO2003015324A1 Osp hardened wdm network
02/20/2003WO2003015316A1 Optical csma/cd technique
02/20/2003WO2003014781A1 Wavelength router and method of operation
02/20/2003WO2002082706A3 High spectral efficiency, high performance optical mux and demux architecture
02/20/2003WO2002049241A3 Fiber optic system including digital controller for fiber optic tunable filter and associated methods
02/20/2003WO2001094996A3 Athermalization and pressure desensitization of diffraction grating based wdm devices
02/20/2003US20030035619 Cascaded optical filters
02/20/2003US20030035618 Optical fiber communication system using optical phase conjugation as well as apparatus applicable to the system and method of producing the same
02/20/2003US20030035616 Add-drop multiplexer with signal amplification ability
02/20/2003US20030035615 Wavelength agile optical transponder for bi-directional, single fiber WDM system testing
02/20/2003US20030035187 Optical receiver, optical receiving method and optical transmission system
02/20/2003US20030035183 Optical communication system
02/20/2003US20030035174 Optical time-division multiplexer using optical fiber for phase adjustment
02/20/2003US20030035173 Interconnecting processing units of a stored program controlled system using time division muliplexed free space optics
02/20/2003US20030035172 Tunable, reconfigurable optical add-drop multiplexer and a switching device
02/20/2003US20030035171 Optical wavelength multiplexing transmission apparatus and optical output control method for optical wavelength multiplexing transmission apparatus
02/20/2003US20030035170 Method and system for coordinating and utilizing channel power information in an optical communications network
02/20/2003US20030035169 Interconnecting processing units of a stored program controlled system using wavelength division muliplexed free space optics
02/20/2003US20030035168 Spectrum division multiplexing for high channel count optical networks
02/20/2003US20030035166 Method and apparatus for path selection and wavelength assignment in an optical network
02/20/2003US20030035165 System and apparatus for photonic switching
02/20/2003US20030034907 Optical code converter
02/20/2003CA2456132A1 An optical demultiplexer
02/19/2003EP1284430A1 Method and apparatus for interconnecting processors by WDM
02/19/2003EP1284062A2 Methods and apparatus for preventing deadbands in an optical communication system
02/19/2003CN2537176Y Optical transmitting-receiving module with digital packing function
02/19/2003CN1398081A Method for extracting multi-wavelength marker in optical packet switch network
02/18/2003US6523177 Cable television system with digital reverse path architecture
02/18/2003US6522803 Optical cross-connect equipment
02/18/2003US6522796 Depolarizing polarization mode combiner
02/18/2003US6522697 Use of higher order modulation techniques to transmit large aggregate data rates on an optical link with relatively low speed electronics
02/18/2003US6522657 Method of assigning time slots, as well as system, center, and subscriber facility for carrying out this method
02/18/2003US6522439 Optical distortion compensation apparatuses, methods, and systems
02/18/2003US6522436 Multiplexed transmission of optical signals
02/18/2003US6522435 High-throughput, low-latency next generation internet networks using optical label switching and high-speed optical header generation, detection and reinsertion
02/18/2003CA2203547C Optical switch
02/17/2003CA2393914A1 Tunable, reconfigurable optical add-drop multiplexer and a switching device
02/13/2003WO2003013033A1 Electro-optical device for channel equalization in a multichannel optical link
02/13/2003WO2003013029A1 Equalizing q-factor using channel spacing in a raman-amplified system
02/13/2003WO2003012505A1 Device and method for multiplexing and/or demultiplexing optical signals of numerous wavelengths
02/13/2003WO2002058301A8 Split wave method and apparatus for transmitting data in long-haul optical fiber systems
02/13/2003WO2002056108A3 Modulation systems using dual channel optical modulators
02/13/2003WO2001084758A3 Wide transmission optical comb filter with wide pass band and wide stop band
02/13/2003US20030032390 Acquisition and tracking in communication system with multicarrier telephony transport
02/13/2003US20030031433 Systems and methods for placing line terminating equipment of optical communication systems in customer points of presence
02/13/2003US20030031405 Method and device for spectral level balancing in wavelength division multiplex multi-channel systems
02/13/2003US20030031213 Device and method for setting up standby paths in a transport network for dual homing
02/13/2003US20030031127 Best effort technique for virtual path restoration
02/13/2003US20030030890 Raman amplifier
02/13/2003US20030030877 Low-cost optical burst transmission system, apparatus, and method
02/13/2003US20030030876 Optical transmitter, optical receiver and light wavelength multiplexing system
02/13/2003US20030030875 Method for channel tagging in DWDM optical communication systems
02/13/2003US20030030871 Diversley routed fault tolerant optical node
02/13/2003US20030030867 Wavelength multiplexing transmission apparatus and wavelength demultiplexing reception apparatus
02/13/2003US20030030865 Wavelength division multiplexing optical transmission system and transmission method
02/13/2003US20030030864 Signaling proxy device for automatically setting up standby paths in optical networks
02/13/2003US20030030863 Bi-directional single fiber optic link for data and radio frequency transmissions
02/13/2003US20030030862 Device and method for monitoring signal characteristics of optical signals in an optical communications network
02/13/2003US20030030861 Methods for reliable communication of link monitoring information in optical communications networks
02/13/2003US20030030859 Optical performance monitoring apparatus for a WDM optical communication system
02/12/2003EP1283653A2 Signalling proxy for automatic setup of backup paths in optical networks
02/12/2003EP1283612A1 OCDM-detection system
02/12/2003EP1283566A2 Optical amplifier for amplifying multi-wavelength light
02/12/2003EP1282809A1 Wavelength monitor for wdm systems
02/12/2003CN2535978Y Luminous powder dynamic gain equalizing apparatus
02/12/2003CN1397113A System and method for measuring in-band cross-talk in optical communication system
02/12/2003CN1396739A Multi-channel optical wavelength locking device and method in optical communication system
02/12/2003CN1396738A Optical ADM device based on microelectromechanical system and technique
02/12/2003CN1396737A Optical WDM module
02/12/2003CN1396736A Coder-decoder for return-to-zero code or mark inverse code
02/12/2003CN1396723A Method and device for signalling in shared protection ring type structure
02/12/2003CN1101626C Method and system of automatic multiplex noe structure
02/11/2003US6519384 Optical communication network
02/11/2003US6519064 Scalable add/drop architecture for lightwave communication system
02/11/2003US6519061 Traffic switching between different wavelength multiplexed channels in optical communications systems
02/11/2003US6519060 Synchronous optical network in frequency domain
02/11/2003US6519059 Wavelength division add/drop multiplexer
02/11/2003US6519058 Multiwave optical buffer using loop mirror
02/11/2003US6519022 Optical routing switch using symmetric liquid crystal cells
02/11/2003CA2272786C Low-latency high-bandwidth tdm-wdm network architecture
02/06/2003WO2003010968A1 Communication system using optical fibers
02/06/2003WO2003010910A1 Distributed block frequency converter
02/06/2003WO2003010904A2 Upgrading of passive optical network
02/06/2003WO2003010589A1 Multichannel optical attenuator for multiplexed signal
02/06/2003US20030026530 Optical multiplexer, demultiplexer and methods
02/06/2003US20030026529 Optical demultiplexer
02/06/2003US20030026528 Wavelength division multiplexing optical transmission apparatus
02/06/2003US20030026527 Method and device for optical fiber transmission
02/06/2003US20030026297 Minimum contention distributed wavelength assignment in optical transport networks
02/06/2003US20030026272 Node device in network, and network system
02/06/2003US20030026199 Code-division, minimum-shift-keying optical multiplexing
02/06/2003US20030025990 Method and system for controlling amplifier power in an optical communications network having add/drop capability
02/06/2003US20030025971 Optical communications systems, devices, and methods
02/06/2003US20030025968 OCDM detection device
02/06/2003US20030025967 Optical add-drop multiplexer
02/06/2003US20030025966 OSP hardened WDM network
02/06/2003US20030025965 Light wavelength-multiplexing systems
02/06/2003US20030025964 Method for automatic wavelength allocation in a wavelength division multiplexed fiber optic communications network
02/06/2003US20030025963 Method and apparatus for monitoring WDM optical signal
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