ClassID:

224569

H04J14/028 - CPC Classification

Classification description:

Optical multiplex systems; Wavelength-division multiplex systems; WDM optical network architectures WDM bus architectures

Recent Application in this class:
#1
20240267658
2024-08-08

CONTROL OF ONU ACTIVATION IN HIGH BIT RATE PONs

#2
20220385359
2022-12-01

System and methods for coherent optics based daisy-chaining

#3
20210336715
2021-10-28

OPTICAL TRANSMITTING AND RECEIVING SYSTEM

#4
20200295834
2020-09-17

System and methods for coherent optics based daisy-chaining

#5
20200274632
2020-08-27

Method for managing data in a transportation cabin and standardised implementation architecture

#6
20200073052
2020-03-05

Transmitter optical subassembly with hermetically-sealed light engine and external arrayed waveguide grating

#7
20190140761
2019-05-09

Bidirectional, multi-wavelength gigabit optical fiber network

#8
20190028784
2019-01-24

Connection between computing devices and a network device via optical signals

#9
20180254844
2018-09-06

Fault tolerant optical apparatus

#10
20180198529
2018-07-12

Wireless network cable assembly

#11
20180034530
2018-02-01

Distributed antenna system for MIMO signals

#12
20170346592
2017-11-30

Dense wavelength-division multiplexing (DWDM) network and method

#13
20170104539
2017-04-13

Method and apparatus for transmitting and receiving interface signals of distributed base station

#14
20160365941
2016-12-15

Low latency fiber optic local area network

#15
20160248538
2016-08-25

Optical communication system with a hierarchical branch configuration

#16
20160197677
2016-07-07

Method and apparatus for transmitting and receiving interface signals of distributed base station

#17
20160065293
2016-03-03

Distributed antenna system for MIMO signals

#18
20150163570
2015-06-11

Optical arbitration device and method in a network-on-chip system

#19
20150023444
2015-01-22

Distributed antenna system for MIMO signals

#20
20140270774
2014-09-18

Systems and methods of hybrid DWDM aggregation and extension for time division multiplexing passive optical networks

#21
20140099115
2014-04-10

Transmitting apparatus, receiving apparatus, optical frequency division multiplex transmission system, and optical signal communication method

#22
20140079393
2014-03-20

Remote timing communications

#23
20140064727
2014-03-06

Passive optical networks

#24
20140016936
2014-01-16

Methods and apparatus to deploy fiber optic based access networks

#25
20130188753
2013-07-25

Distributed antenna system for MIMO signals

#26
20130136448
2013-05-30

Meshed protected passive optical access network structure and optical network unit structure therefore

#27
20130129353
2013-05-23

Signal transmission processing method and apparatus and distributed base station

#28
20130028599
2013-01-31

Repeater, relay method and optical transmission system

#29
20130016945
2013-01-17

Method and apparatus to deploy fiber optic based access networks

#30
20120263476
2012-10-18

System and method for establishing secure communications between transceivers in undersea optical communication systems

#31
20120237217
2012-09-20

Optically switched communication network

#32
20120177362
2012-07-12

System and method for monitoring a branched optical communication system

#33
20120148244
2012-06-14

Optical network structures for multi-core central processor unit

#34
20120128360
2012-05-24

Open optical access network system

#35
20120087674
2012-04-12

Optical data path systems

#36
20120087648
2012-04-12

METHOD AND SYSTEM FOR PROTECTION SWITCHING

#37
20120045211
2012-02-23

Signal transmission processing method and apparatus and distributed base station

#38
20120045206
2012-02-23

Multi-chassis router with multiplexed optical interconnects

#39
20120008947
2012-01-12

All-optical data center network

#40
20110317997
2011-12-29

METHOD OF ASSESSING FAILURE IN TRANSMISSION PATH OPTICAL FIBER, AND APPARATUS OF SAME

#41
20110286743
2011-11-24

Flow-control methods and systems for multibus systems

#42
20110188858
2011-08-04

Optical backhaul network for wireless broadband service

#43
20110176438
2011-07-21

Communication network

#44
20110135308
2011-06-09

Distributed antenna system for MIMO signals

#45
20110097086
2011-04-28

Optical broadcast systems and methods

#46
20110069799
2011-03-24

Redundant communication timing for remote nodes

#47
20110026928
2011-02-03

Transient control solution for optical networks

#48
20100329686
2010-12-30

Optical communication systems and methods utilizing a split amplification band and nonlinear compensation

#49
20100119235
2010-05-13

Methods and apparatus to deploy fiber optic based access networks

#50
20100098412
2010-04-22

Managed PON repeater and cross connect

#51
20100097942
2010-04-22

Serializer/deserializer test modes

#52
20100061726
2010-03-11

Dynamically Reconfiguring An Optical Network Using An Ethernet Switch

#53
20100061721
2010-03-11

Method and system for adjusting network interface metrics

#54
20100046947
2010-02-25

System and method for communicating optical signals between a data service provider and subscribers

#55
20090324231
2009-12-31

Transmission line monitoring system

#56
20090304383
2009-12-10

Optical network systems and methods for operating same

#57
20090263124
2009-10-22

Methods of protection sharing for multi-protected optical demands in large-scale WDM mesh networks

#58
20090245802
2009-10-01

System and method for dual wavelength communications of a clock signal

#59
20090245291
2009-10-01

System and method for communicating timing to a remote node

#60
20090202241
2009-08-13

Optical Communication System And Method For Distributing Content Aboard A Mobile Platform During Travel

#61
20090196609
2009-08-06

OPTICAL COMMUNICATION APPARATUS AND OPTICAL LAN SYSTEM

#62
20090185490
2009-07-23

Method of monitoring traffic in an optical or electronic network with shared resources

#63
20090162060
2009-06-25

Optimization mechanism for use with an optical control plane in a DWDM network

#64
20090129774
2009-05-21

Distributed terminal optical transmission system

#65
20090116842
2009-05-07

Transient control solution for optical networks

#66
20090087181
2009-04-02

In-wall optical network unit

#67
20090083817
2009-03-26

Method of Operating a Communication System and Communication System for Implementing Such a Method

#68
20090080881
2009-03-26

Optical communication method, optical communication device, and optical communication system

#69
20090067845
2009-03-12

Signal distribution module for a directionless reconfigurable optical add/drop multiplexer

#70
20090028564
2009-01-29

Dual Broadcast and Narrowcast Systems and Methods

#71
20090028559
2009-01-29

Method and System for Designing a Network

#72
20090016717
2009-01-15

Modular add/drop multiplexer including a wavelength selective switch

#73
20080279552
2008-11-13

Methods of placing reconfigurable optical add/drop multiplexers (ROADMS) in a network

#74
20080267628
2008-10-30

Passive optical network system based on a wavelength protection and protecting backup method thereof

#75
20080232244
2008-09-25

Proactive protection mechanism based on advanced failure warning

#76
20080193130
2008-08-14

Pon System With a Remote Upstream Repeater

#77
20080131126
2008-06-05

Mechanism for tracking wavelengths in a DWDM network without specialized hardware

#78
20080089687
2008-04-17

Wavelength division multiplexing passive optical network having multiple branches of optical distribution

#79
20080085117
2008-04-10

System and method for communicating optical signals between a data service provider and subscribers

#80
20080069123
2008-03-20

Signal relay apparatus, node apparatus, network system, virtual-link generating method, path calculating method, and computer product

#81
20080044181
2008-02-21

Multi-chassis router with multiplexed optical interconnects

#82
20080019694
2008-01-24

WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK SYSTEM

#83
20080013951
2008-01-17

WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETWORK SYSTEM

#84
20080008189
2008-01-10

Maximization of throughput under a fairness constraint in DWDM-based optical networks

#85
20080002974
2008-01-03

Modular add/drop multiplexer including a wavelength selective switch

#86
20070280700
2007-12-06

Noise tone avoidance in optical networks

#87
20070274715
2007-11-29

Node for an Optical Communication Network

#88
20070253711
2007-11-01

Processing of optical performance data in an optical wavelength division multiplexed communication system

#89
20070248361
2007-10-25

Polarization scrambler, optical add/drop multiplexer, optical route switching apparatus and wavelength division multiplexing optical transmission system

#90
20070230961
2007-10-04

Relay node in optical networks

#91
20070177875
2007-08-02

Optical transmission network

#92
20070147841
2007-06-28

Optical add/drop device

#93
20070104489
2007-05-10

Distributed terminal optical transmission system

#94
20070077069
2007-04-05

System and method for communicating optical signals upstream and downstream between a data service provider and subscribers

#95
20070076505
2007-04-05

Power Line Communications Device and Method of Use

#96
20060291865
2006-12-28

OPTICAL NETWORK

#97
20060257151
2006-11-16

(D) WDM communications network using back-up light sources

#98
20060257148
2006-11-16

Method and system for mitigating Raman crosstalk in an Ethernet passive optical network

#99
20060245756
2006-11-02

Methods and apparatus for transmitting data

#100
20060222363
2006-10-05

Drop-and-continue device

#101
20060216028
2006-09-28

Wavelength division multiplexing transmission system, wavelength division multiplexing transmission apparatus and method for controlling wavelength division multiplexing transmission apparatus

#102
20060216027
2006-09-28

Wavelength division multiplexing transmission apparatus using a multiple wavelength light source

#103
20060192672
2006-08-31

Power line communications device and method

#104
20060171629
2006-08-03

Method for removing cross-talk in wavelength division multiplexed passive optical network

#105
20060159457
2006-07-20

System and method for communicating optical signals between a data service provider and subscribers

#106
20060140631
2006-06-29

Shared multi-lambda source for WDM PON

#107
20060110159
2006-05-25

Method for optimizing the optical power in an optical network and an optical network

#108
20060104639
2006-05-18

D(WDM) communications network employing periodic spectral multiplex processing

#109
20060097574
2006-05-11

Power line communications device and method of use

#110
20060097573
2006-05-11

Power line communications system and method of operating the same

#111
20060083513
2006-04-20

System and apparatus for a carrier class WDM PON providing trunk protection with increased fiber utilization, distance and bandwidth

#112
20060067696
2006-03-30

Optical network and optical add/drop apparatus

#113
20060067692
2006-03-30

Passive optical network of bus structure

#114
20060062576
2006-03-23

Optical wavelength division multiplexing access system

#115
20060051089
2006-03-09

Communication system linking between user terminals, and user terminal connecting unit and communication method used in same communication system

#116
20060038115
2006-02-23

Frequency division and/or wavelength division multiplexed recursive fiber optic telemetry scheme for an optical sensor array

#117
20050276604
2005-12-15

Optical add/drop interconnect bus for multiprocessor architecture

#118
20050213967
2005-09-29

Optical wavelength division multiplexing transmission system

#119
20050207756
2005-09-22

Optical network system and optical coupling apparatus

#120
20050175344
2005-08-11

System and apparatus for a carrier class WDM PON accommodating multiple services or protocols

#121
20050175343
2005-08-11

System and apparatus for a carrier class WDM PON for increased split number and bandwidth

#122
20050125837
2005-06-09

Method and system for providing a return path for signals generated by legacy video service terminals in an optical network

#123
20050117903
2005-06-02

WDM-PON having bus structure

#124
20050114100
2005-05-26

Methods and apparatus for line system design

#125
20050074241
2005-04-07

System and method for communicating optical signals between a data service provider and subscribers

#126
20050058453
2005-03-17

Optical network architecture for simultaneous transport of analog video signals and ethernet data