H04J 14 - Optical multiplex systems

Patents for H04J 14 - Optical multiplex systems (27,009)
11/2009
11/18/2009	CN100561262C High-speed optical add-drop multiplexer based on electro-optical effect
11/17/2009	US7620328 Multi-wavelength optical CDMA with differential encoding and bipolar differential detection
11/17/2009	US7620326 Method for transmitting at least one first and second data signal in polarization multiplex in an optical transmission system
11/17/2009	US7620325 Transmission apparatus with function of multi-step bandwidth assignment to other communication apparatuses
11/17/2009	US7620324 Optical division multiplexing transmission and reception method and optical division multiplexing transmission and reception device
11/17/2009	US7620323 Method and apparatus for interconnecting a plurality of optical transducers with a wavelength division multiplexed optical switch
11/17/2009	US7620322 Load sharing nodes in a network utilising shared optical protection
11/17/2009	US7620321 Optical transmitting apparatus, method of increasing the number of paths of the apparatus, and optical switch module for increasing the number of paths of the apparatus
11/17/2009	US7620320 Fibre selective control switch system
11/17/2009	US7620319 Passive optical network monitoring method and passive optical network
11/17/2009	US7620273 Methods and devices for providing optical, serviced-enabled cross-connections
11/17/2009	US7620049 System and method of time-slotted optical burst switching
11/17/2009	US7619974 Frame traffic balancing across trunk groups
11/17/2009	US7619813 Wavelength division multiplexing device, an optical leakage prevention method, and a wavelength division multiplexing communication system
11/12/2009	WO2009137263A2 Ultra-miniaturized thz communication device and system
11/12/2009	WO2009136984A1 Alien wavelength channel balancing and line amplifier optimization
11/12/2009	WO2009135533A1 Fibre access network and method
11/12/2009	WO2009092356A3 Method for protecting a passive optical transmission network and passive optical transmission network having corresponding protection mechanism
11/12/2009	US20090279895 Frequency doubler, signal generator, optical transmitter, and optical communication apparatus
11/12/2009	US20090279894 Triple wavelength bidirectional optical communication system
11/12/2009	US20090279893 Analog finite impulse response filter
11/12/2009	US20090279892 Optical network device generating multi-channel
11/12/2009	US20090279891 All-optical wavelength conversion for a polarization multiplexing optical signal
11/11/2009	EP2117148A1 Multiplexer with additional optical filtering
11/11/2009	EP2117138A1 An optical source link transmission device and method
11/11/2009	EP2115907A1 Non-linearity compensation in an optical transmission
11/11/2009	CN101577844A Wave division multiplexing (WDM) network path search method and system
11/11/2009	CN101577530A Multi-passage power control circuit and method thereof
11/11/2009	CN100559745C Apparatus for processing optical signals
11/11/2009	CN100559742C Procedure for sorting flows in a transport network carrying circuit data flows
11/10/2009	US7616901 Countermeasures for idle pattern SRS interference in ethernet optical network systems
11/10/2009	US7616900 Optical signal degradation compensator
11/10/2009	US7616899 Synchronizing method in optical access network, optical switching device, center device, and remote device
11/10/2009	US7616894 System and method for mitigating dispersion slope in an optical communication system
11/10/2009	US7616893 Wavelength division multiplexing optical repeating transmission method and repeating apparatus
11/10/2009	US7616892 Delivery method and delivery system of contents information, and central station thereof
11/10/2009	US7616891 System and method for transmission and reception of traffic in optical light-trails
11/10/2009	US7616890 System, device and method of expanding the operational bandwidth of a communication infrastructure
11/10/2009	US7616889 Byte-wide optical backplane switching method
11/10/2009	US7616848 Optical transmission apparatus
11/05/2009	US20090274470 Optical Code Communication System
11/05/2009	US20090274469 Polarization multiplexed optical transmitting and receiving apparatus
11/05/2009	US20090274464 Method, system and device for setting up wavelength connection
11/05/2009	US20090274463 Upgrade resilient multi-transport optical network terminal
11/05/2009	US20090274462 Centralized lightwave wdm-pon employing intensity modulated dowstream and upstream
11/05/2009	US20090274461 Pon multicast communication system, multicast management method, and corresponding devices
11/05/2009	US20090274460 Differential delay receiver using cross-polarization interferometer for polmux-dpsk system
11/05/2009	US20090274459 Optical node apparatus
11/05/2009	US20090274458 Compact optical multiplexer and demultiplexer
11/04/2009	CN201340488Y Small comb filter with low chromatic dispersion
11/03/2009	US7614074 Burst-mode digital transmitter
11/03/2009	US7613398 Wavelength-tunable light source and wavelength-division multiplexed transmission system using the source
11/03/2009	US7613397 Wavelength division multiplexing optical transmission system and wavelength dispersion compensation unit
11/03/2009	US7613396 Multiplexing communication system and crosstalk elimination method
11/03/2009	US7613395 Optical network termination apparatus with shared components and passive optical network system comprising same
11/03/2009	US7613394 Optical switching device
11/03/2009	US7613391 Optical signal switching device for use in an optical protection network
11/03/2009	US7613370 Optical switch and method of adjusting optical switch
11/03/2009	US7613187 Shared LAN emulation method and apparatus having VLAN recognition and LLID management functions on EPON
11/03/2009	US7612936 Optical amplifying apparatus for wavelength division multiplexed signals
11/03/2009	US7612930 Optical processing
10/2009
10/29/2009	WO2009132022A1 Dual-filter optical network interface unit and method of removing noise using same
10/29/2009	WO2009129722A1 Gigabit passive optical network transmission convergence extension for next generation access
10/29/2009	US20090269079 Optical signal transmission control apparatus and optical signal transmission control method
10/29/2009	US20090269072 Methods for allocating transmission bandwidths of a network
10/29/2009	US20090269071 Operation terminal
10/29/2009	US20090269070 Multiplexer with Aptical Add/Drop
10/29/2009	US20090269069 Passive wave division multiplexed transmitter having a directly modulated laser array
10/29/2009	US20090269068 Transmission system
10/29/2009	US20090269067 Bi-direction optical module installing light-emitting device and light-receiving device in signal package
10/29/2009	US20090269066 Single-Unit Integrated Transceiver Having Pump Source and Transceiver Module Using the Same
10/29/2009	US20090269065 Setting Up A Circuit In A Network
10/29/2009	US20090269064 Optical CDMA by Self Heterodyne Filtering
10/29/2009	US20090269063 Method and apparatus for enabling activation of services via an Optical Network Terminal (ONT)
10/29/2009	US20090269061 Providing Signal Reachability Information To A Network
10/29/2009	US20090269060 Providing Wavelength Connectivity Information To A Network
10/29/2009	US20090269059 Long-reach passive optical network using remote modulation of an amplification optical signal
10/29/2009	US20090269057 Wavelength route selection system and wavelength route selection method
10/29/2009	US20090269055 Channel balancing algorithm
10/29/2009	US20090269051 Method of controlling optical output power and passive optical network system using the same
10/29/2009	US20090268901 Continuous variable quantum encryption key distribution system
10/29/2009	DE102008019066A1 Verfahren zur atmosphärischen optischen Freiraumübertragung von digitalen Signalen und Empfänger für das Verfahren A method for atmospheric optical free-space transmission of digital signals and receiver for the process
10/28/2009	EP2112725A1 An optical modulation system and method
10/28/2009	EP1368911B1 Improvements in optical data receiver systems
10/28/2009	CN101569122A Interleaving for 10g gpon
10/28/2009	CN101568046A Method for realizing coexistence of unsymmetrical 10GEPON and GEPON optical network terminals and system thereof
10/28/2009	CN101567746A Communication device, communication system and communication method
10/28/2009	CN101567745A OFDM radio-on-fiber communication system for generating optical millimeter wave by suppressing modulation of optical carrier
10/28/2009	CN100555922C Restoring method of grid network service
10/28/2009	CN100555916C Improvements in or relating to signal transmission in an optical system
10/27/2009	US7609974 Data transmission method and a system thereof
10/27/2009	US7609970 Add/drop node for an optical communications network
10/27/2009	US7609969 Method and system for compensating for optical dispersion in an optical signal
10/27/2009	US7609968 Secure analog communication system using time and wavelength scrambling
10/27/2009	US7609967 Method and apparatus for automatically upgrading passive optical networks (PONs)
10/27/2009	US7609965 Method for reorganizing wavelength division multiplexing network using dynamic watermarks
10/27/2009	US7609964 Power level management in optical networks
10/27/2009	CA2514993C Method and apparatus for testing network data signals in a wavelength division multiplexed optical network
10/22/2009	WO2009128927A1 Methods of protection sharing in wdm mesh networks
10/22/2009	US20090263135 Method and apparatus for transporting client signal in optical transport network

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