ClassID:

224540

H04J14/0239 - CPC Classification

Classification description:

Optical multiplex systems; Wavelength-division multiplex systems; Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation; Wavelength allocation for communications one-to-many, e.g. multicasting wavelengths in WDM-PON sharing multiple downstream wavelengths for groups of optical network units [ONU], e.g. multicasting wavelengths

Recent Application in this class:
#1
20260081715
2026-03-19

CONDITIONAL FORWARD ERROR CORRECTION DECODING IN A PASSIVE OPTICAL NETWORK

#2
20230074322
2023-03-09

EXPANDED SINGLE FIBER COMBINING MODULE

#3
20220278765
2022-09-01

Downstream frame transfer device, transfer method and transfer program

#4
20210336715
2021-10-28

OPTICAL TRANSMITTING AND RECEIVING SYSTEM

#5
20210266090
2021-08-26

Data communications system, optical line terminal, and baseband unit

#6
20210006347
2021-01-07

Wavelength-division multiplexing device with a unified passband

#7
20190393974
2019-12-26

Systems and methods for dual-band modulation and injection-locking for coherent PON

#8
20190229829
2019-07-25

Electromagnetic signal transport and distribution systems

#9
20190165878
2019-05-30

Optical line terminal, and signal transmission method and device

#10
20190158175
2019-05-23

Management system for GPON based services

#11
20190068310
2019-02-28

Passive optical network architecture, method for passive optical network architecture to implement data transmission, and optical network device

#12
20180212705
2018-07-26

OPTICAL NETWORK UNIT REGISTRATION METHOD, APPARATUS, AND SYSTEM

#13
20180191456
2018-07-05

Data communications system, optical line terminal, and baseband unit

#14
20180109314
2018-04-19

Management system for GPON based services

#15
20170272196
2017-09-21

Electromagnetic signal transport and distribution systems

#16
20170126351
2017-05-04

Method and system for scheduling cascaded PON

#17
20170111113
2017-04-20

Management system for GPON based services

#18
20170070286
2017-03-09

Method for determining numbers of bits allocated to subcarriers and optical transmission system

#19
20160359580
2016-12-08

Wavelength negotiation method and apparatus of multi-wavelength passive optical network, and multi-wavelength passive optical network system

#20
20160269811
2016-09-15

Method of identifying long-shining rogue ONU in passive optical network

#21
20160080032
2016-03-17

Method and arrangement for signal transmission and compensation of back reflections in optical access PON systems

#22
20160050471
2016-02-18

Method and system for scheduling remote PONs connected via an ethernet switch

#23
20160006535
2016-01-07

Method and device for mapping and demapping data

#24
20160006534
2016-01-07

Method and device for managing optical channel overhead and optical signal receiving node

#25
20150381305
2015-12-31

SELF-CALIBRATING TUNABLE LASER FOR OPTICAL NETWORK

#26
20150318950
2015-11-05

Method and system for scheduling cascaded PON

#27
20150318929
2015-11-05

Rogue optical network unit mitigation in passive optical networks

#28
20150311997
2015-10-29

Distributed pon transceiver architecture

#29
20150263805
2015-09-17

Management system for GPON based services

#30
20150256285
2015-09-10

Remote node device, optical network unit and system and communication method thereof

#31
20150245114
2015-08-27

Optical networking unit (ONU) packaging

#32
20150229432
2015-08-13

FULL-DUPLEX ETHERNET COMMUNICATIONS OVER COAXIAL LINKS USING TIME-DIVISION DUPLEXING

#33
20150180605
2015-06-25

Method for the adaptive configuration of the transmission spectrum in WDM-PONs

#34
20150125149
2015-05-07

Wavelength negotiation method and apparatus of multi-wavelength passive optical network, and multi-wavelength passive optical network system

#35
20150055955
2015-02-26

CHANNEL MANAGEMENT METHOD IN TIME AND WAVELENGTH DIVISION MULTIPLEXING-PASSIVE OPTICAL NETWORK (TWDM-PON)

#36
20150010307
2015-01-08

Integrated access network

#37
20140376911
2014-12-25

METHOD AND ARRANGEMENT FOR SIGNAL TRANSMISSION AND COMPENSATION OF BACK REFLECTIONS IN OPTICAL ACCES PON SYSTEMS

#38
20140369689
2014-12-18

Dynamic wavelength management using bi-directional communication for the prevention of optical beat interference

#39
20140341578
2014-11-20

Aligning and directly optically coupling photodetectors to optical demultiplexer outputs in a multichannel receiver optical subassembly

#40
20140314104
2014-10-23

Flexible remote node (RN) for dynamic traffic allocation in passive optical networking (PON) and mobile backhaul (MBH) applications

#41
20140241725
2014-08-28

Wavelength Assignment for Multiple Operator Support

#42
20140233955
2014-08-21

Passive optical network system

#43
20140233938
2014-08-21

SYSTEM FOR INTERCONNECTING NODES ATTACHED TO A PASSIVE OPTICAL NETWORK

#44
20140212138
2014-07-31

Optical access network having emitter-free customer premise equipment and adaptive communication scheduling

#45
20130243435
2013-09-19

Method and apparatus for link sharing among multiple EPONs

#46
20130230315
2013-09-05

Exchange device

#47
20130216228
2013-08-22

Optical network unit, optical access network and a method for exchanging information

#48
20120321307
2012-12-20

SYSTEM AND METHOD FOR DISTRIBUTING DIGITAL SIGNALS OVER LONG-DISTANCE SWITCHED OPTICAL TRANSPORT NETWORKS

#49
20120134669
2012-05-31

Methods and systems for multicast control

#50
20120128360
2012-05-24

Open optical access network system

#51
20120020666
2012-01-26

Wavelength assignment for multiple operator support

#52
20110268444
2011-11-03

Passive optical network system

#53
20100254706
2010-10-07

Method and apparatus for link sharing among multiple epons

#54
20100239257
2010-09-23

LOGICAL PARTITIONING OF A PASSIVE OPTICAL NETWORK

#55
20100150546
2010-06-17

Management system for GPON based services

#56
20080310843
2008-12-18

Passive optical network system for the delivery of bi-directional RF services

#57
20080292313
2008-11-27

Methods, Systems, and Computer-Readable Media for Ranging a Device in a Point-to-Multipoint Network

#58
17825023
2023-09-12

Systems and methods for dual-band modulation and injection-locking for coherent PON

#59
17216435
2022-05-31

Systems and methods for dual-band modulation and injection-locking for coherent PON

#60
16950814
2022-03-08

C and L band optical communications module link extender, and related systems and methods