ClassID:

224529

H04J14/0223 - CPC Classification

Classification description:

Optical multiplex systems; Wavelength-division multiplex systems Conversion to or from optical TDM

Recent Application in this class:
#1
20250141583
2025-05-01

MONITOR CHANNEL FOR MULTIPLE TRANSMISSION CHANNELS

#2
20230125673
2023-04-27

Efficiently interconnecting a plurality of computing nodes to form a circuit-switched network

#3
20220360355
2022-11-10

Optical demultiplexer, optical separation device, optical transmission system, and optical transmission method

#4
20220286208
2022-09-08

Integrated multi-channel photonics transmitter chip having variable power dividers

#5
20220158748
2022-05-19

Transmission/reception device and transmission/reception method

#6
20220141559
2022-05-05

Intelligent subsystem

#7
20220140934
2022-05-05

Efficiently interconnecting a plurality of computing nodes to form a circuit-switched network

#8
20220060273
2022-02-24

Wavelength converter and optical transmission device that includes wavelength converter

#9
20210360338
2021-11-18

Intelligent subsystem in a access networks

#10
20210360337
2021-11-18

Intelligent subsystem in access networks

#11
20210359780
2021-11-18

Optical line terminal and optical fiber access system with increased flexibility

#12
20210281934
2021-09-09

Intelligent subsystem

#13
20210266090
2021-08-26

Data communications system, optical line terminal, and baseband unit

#14
20210258666
2021-08-19

Intelligent subsystem

#15
20210258664
2021-08-19

Intelligent subsystem in access networks

#16
20210227305
2021-07-22

Intelligent subsystem

#17
20210227304
2021-07-22

Intelligent subsystem

#18
20210227303
2021-07-22

Intelligent subsystem

#19
20200374608
2020-11-26

Intelligent subsystem

#20
20200296490
2020-09-17

Intelligent subsystem

#21
20200296489
2020-09-17

Intelligent subsystem

#22
20200288223
2020-09-10

Intelligent subsystem in access networks

#23
20200274633
2020-08-27

Transmitting device and transmission system

#24
20200213027
2020-07-02

Optical line terminal and optical fiber access system with increased capacity

#25
20190394545
2019-12-26

Intelligent subsystem

#26
20190373347
2019-12-05

Intelligent subsystem in access networks

#27
20190312662
2019-10-10

Wavelength indication in multiple-wavelength passive optical networks

#28
20190273634
2019-09-05

Passive optical network communication method, apparatus, and system

#29
20190158220
2019-05-23

Downstream data frame transmission method and device

#30
20190124426
2019-04-25

Intelligent subsystem in access networks

#31
20190123845
2019-04-25

Optical transceiver and control method

#32
20190109666
2019-04-11

Wavelength converter and optical transmission device that includes wavelength converter

#33
20190089477
2019-03-21

Channel bonding in multiple-wavelength passive optical networks (PONs)

#34
20180331777
2018-11-15

Wavelength indication in multiple-wavelength passive optical networks

#35
20180287726
2018-10-04

TRANSMISSION DEVICE AND TRANSMISSION METHOD

#36
20180226982
2018-08-09

Broadband digital beam forming system including wavefront multiplexers and narrowband digital beam forming modules

#37
20180212703
2018-07-26

Method for converting wavelength of optical signal in passive optical network

#38
20180191456
2018-07-05

Data communications system, optical line terminal, and baseband unit

#39
20180131462
2018-05-10

Station-side device and wavelength changeover monitoring method

#40
20180131461
2018-05-10

Station-side device and wavelength changeover method

#41
20170373786
2017-12-28

Optical line terminal (OLT) support of optical network unit (ONU) calibration

#42
20170324538
2017-11-09

Skew calculation in channel-bonded passive optical networks (PONs)

#43
20170317779
2017-11-02

Channel Bonding in Multiple-Wavelength Passive Optical Networks (PONs)

#44
20170317778
2017-11-02

TWDM Passive Network with Extended Reach and Capacity

#45
20170303020
2017-10-19

Communication method applied to multi-wavelength passive optical network, apparatus, and system

#46
20170302377
2017-10-19

Methods, systems, and apparatus for global multiple-access optical communications

#47
20170295417
2017-10-12

Cascade-form wavelength division multiplexing optoelectronic transceiver device, system and method

#48
20170272847
2017-09-21

Intelligent subsystem in access networks

#49
20170272197
2017-09-21

Extender For Optical Access Communication Network

#50
20170250774
2017-08-31

Wavelength indication in multiple-wavelength passive optical networks

#51
20170208377
2017-07-20

System and method for virtual network topologies and VPN in multi-layer networks

#52
20170155461
2017-06-01

Low cost gain clamped EDFA for TWDM passive optical network application

#53
20170134113
2017-05-11

TWDM passive network with extended reach and capacity

#54
20170063389
2017-03-02

Broadband digital beam forming system including wavefront multiplexers and narrowband digital beam forming modules

#55
20170055053
2017-02-23

Method and apparatus for adjusting wavelength for optical line terminal or optical network unit

#56
20170006363
2017-01-05

Dynamic intelligent bidirectional optical access communication system with object/intelligent appliance-to-object/intelligent appliance interaction

#57
20160337071
2016-11-17

Flexible grid TWDM-PON architecture and intelligent set-up for TWDM-PON

#58
20160315698
2016-10-27

Optical transmitter and transmission method, and optical receiver and receiption method

#59
20160285545
2016-09-29

Network controller having predictable analytics and failure avoidance in packet-optical networks

#60
20160233959
2016-08-11

Method and apparatus for multiplexed optical communication system using spatial domain multiplexing (SDM) and orbital angular momentum of photon (OAM) multiplexing with wavelength division multiplexing (WDM)

#61
20160226618
2016-08-04

CONTROLLING METHOD FOR MITIGATING ROGUE OPTICAL NETWORK UNIT (ONU) IN HYBRID PASSIVE OPTICAL NETWORK (PON) SYSTEM

#62
20160212512
2016-07-21

DYNAMIC INTELLIGENT BIDIRECTIONAL OPTICAL ACCESS COMMUNICATION SYSTEM WITH OBJECT/INTELLIGENT APPLIANCE-TO-OBJECT/INTELLIGENT APPLIANCE INTERACTION

#63
20160204896
2016-07-14

Time division multiplexed orbital angular momentum based communication

#64
20160142151
2016-05-19

Wavelength stabilizer for TWDM-PON burst mode DBR laser

#65
20160065325
2016-03-03

Muxponder and method of converting a plurality of tributary optical communications signals having a first bit rate into an optical line signal having a second, higher bit rate

#66
20160065324
2016-03-03

All-optical regeneration system for optical wavelength division multiplexed communication systems

#67
20160056913
2016-02-25

Station-side terminal apparatus, optical access network, and communication method

#68
20160021438
2016-01-21

METHOD OF OPTICAL DATA TRANSMISSION

#69
20150382089
2015-12-31

Dynamic intelligent bidirectional optical access communication system with object/intelligent appliance-to-object/intelligent appliance interaction

#70
20150381306
2015-12-31

Optical line terminal (OLT) support of optical network unit (ONU) calibration

#71
20150373430
2015-12-24

FRAME CONVERSION-BASED MID-SPAN EXTENDER, AND METHOD OF FRAME CONVERSION-BASED MID-SPAN EXTENDER FOR SUPPORTING G-PON SERVICE IN XG-PON LINK

#72
20150365190
2015-12-17

Method of configuring automatically wavelength of optical network unit

#73
20150280853
2015-10-01

Configurable frequency domain equalizer for dispersion compensation of multiple sub-carriers

#74
20150139651
2015-05-21

Flexible grid TWDM-PON architecture and intelligent set-up for TWDM-PON

#75
20150139644
2015-05-21

Optical drop device, optical drop method, and optical add device

#76
20150093108
2015-04-02

Upstream scheduling in a passive optical network

#77
20140376909
2014-12-25

Optical Channel Monitor With High Resolution Capability

#78
20140270774
2014-09-18

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

#79
20130330076
2013-12-12

Methods and devices for space-time multi-plane optical networks

#80
20130266321
2013-10-10

Sensing apparatus

#81
20120195595
2012-08-02

IMPROVEMENTS IN EXTRACTING OPTICAL LABELS

#82
20120163802
2012-06-28

WDM-TDM PON remote terminal and WDM-TDM PON link protection system

#83
20110182587
2011-07-28

System and methods for converting a temporally short and spectrally broad optical pulse into a train of spectrally narrow optical pulses

#84
20110158653
2011-06-30

Dynamic intelligent bidirectional optical access communication system with object/intelligent appliance-to-object/intelligent appliance interaction

#85
20090269070
2009-10-29

Multiplexer with aptical add/drop

#86
20090214217
2009-08-27

Optical device and a method for converting WDM signals into an OTDM signal and vice versa

#87
20090074414
2009-03-19

Port-to-port, non-blocking, scalable optical router architecture and method for routing optical traffic

#88
20090052906
2009-02-26

Optical Transmission Between a First Unit and a Plurality of Second Units Interconnected by Means of a Passive Optical Access Network

#89
20070183710
2007-08-09

Device for temporal subsampling of an OTDM optical signal, OTDM-WDM converter comprising same and OTDM-WDM converter

#90
20050226623
2005-10-13

Optical device and method of converting WDM signals into an OTDM signal and vice versa

#91
20050111499
2005-05-26

Wavelength conversion apparatus

#92
17959015
2024-01-16

Optical line terminal with out-of-band communication channel, and method for implementing

#93
17384722
2022-10-04

Optical line terminal with out-of-band communication channel, and method for implementing

#94
16561416
2020-08-04

Wavelength division multiplexing (WDM) based photonic radar with optical signal processing

#95
15351663
2018-02-20

Optical transceiver having an interface circuit with a routing capability

#96
14953525
2017-03-28

Low cost gain clamped EDFA for TWDM passive optical network application

#97
13732863
2014-12-23

Optical network remote node for WDM-PON and TDM-PON