ClassID:

224510

H04J14/005 - CPC Classification

Classification description:

Optical multiplex systems Optical Code Multiplex

Sub-classes:
Recent Application in this class:
#1
20250293791
2025-09-18

COMMUNICATION CONTROL APPARATUS, COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, STORAGE MEDIUM, AND COMMUNICATION CONTROL METHOD

#2
20250286619
2025-09-11

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

#3
20250260502
2025-08-14

CDMA OVER WDM AS A LINK MANAGEMENT PROTOCOL

#4
20250192881
2025-06-12

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

#5
20250167882
2025-05-22

TIME DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

#6
20230327774
2023-10-12

Wavelength division multiple access for long range optical communications

#7
20230291491
2023-09-14

COMMUNICATION OF OPTICAL CODES BETWEEN DEVICES

#8
20230092560
2023-03-23

Frequency division multiple access optical subcarriers

#9
20230061657
2023-03-02

Frequency division multiple access optical subcarriers

#10
20230006737
2023-01-05

Time division multiple access optical subcarriers

#11
20220376781
2022-11-24

Frequency division multiple access optical subcarriers

#12
20220376780
2022-11-24

Frequency division multiple access optical subcarriers

#13
20220345239
2022-10-27

Access point identifiers in 400ZR and 400ZR+ protocols

#14
20220303040
2022-09-22

Wavelength multiplexing processor

#15
20220158739
2022-05-19

Wavelength division multiple access for long range optical communications

#16
20220123831
2022-04-21

FREQUENCY DIVISION MULTIPLE ACCESS OPTICAL SUBCARRIERS

#17
20220038797
2022-02-03

DATA IN MOTION STORAGE AND METHOD

#18
20200413169
2020-12-31

Frequency division multiple access optical subcarriers

#19
20200403704
2020-12-24

Frequency division multiple access optical subcarriers

#20
20200403702
2020-12-24

Frequency division multiple access optical subcarriers

#21
20200382216
2020-12-03

Frequency division multiple access optical subcarriers

#22
20200374027
2020-11-26

Transmission device, reception device, transmission method, and reception method

#23
20200287651
2020-09-10

Time division multiple access optical subcarriers

#24
20200287649
2020-09-10

Code division multiple access optical subcarriers

#25
20200287648
2020-09-10

Code division multiple access optical subcarriers

#26
20200287621
2020-09-10

Time division multiple access optical subcarriers

#27
20200186255
2020-06-11

Optical transmitter, optical receiver, and optical transmission method

#28
20190342008
2019-11-07

Signal transmitting method, signal receiving method, and related device and system

#29
20190296848
2019-09-26

Data transmission method, terminal device, and network side device

#30
20190288777
2019-09-19

Optical transmission system, PON system, and transmission method

#31
20190253177
2019-08-15

Receiver and data receiving method

#32
20190166414
2019-05-30

Data in motion storage system and method

#33
20190081703
2019-03-14

Compact system for active co-boresight measurement in a laser communication system

#34
20190028228
2019-01-24

Transmission device, reception device, transmission method, and reception method

#35
20180302150
2018-10-18

COHERENT POWER COMBINING VIA WAVEFRONT MULTIPLEXING ON DEEP SPACE SPACECRAFT

#36
20180287708
2018-10-04

Signal transmitting method, signal receiving method, and related device and system

#37
20180241496
2018-08-23

Mode division multiplexing systems and methods using a rectangular-core optical fiber

#38
20180205456
2018-07-19

Data transmission method and apparatus

#39
20180069628
2018-03-08

Method of dimming for visible light communications

#40
20170324503
2017-11-09

Communications network

#41
20170324444
2017-11-09

Communications network

#42
20170280211
2017-09-28

Data in motion storage system and method

#43
20170201324
2017-07-13

Optical switching apparatus, optical cross-connect node, and optical signal switching method

#44
20160242265
2016-08-18

Intelligent lighting device, and method and system thereof

#45
20160080102
2016-03-17

Optimizing optical systems using code division multiple access and/or orthogonal frequency-division multiplexing

#46
20160014786
2016-01-14

Dynamic power allocations for direct broadcasting satellite (DBS) channels via wavefront multiplexing

#47
20150288442
2015-10-08

Coherent power combining via wavefront multiplexing on deep space spacecraft

#48
20140301734
2014-10-09

Optimizing optical systems using code division multiple access and/or orthogonal frequency-division multiplexing

#49
20140225916
2014-08-14

Augmented reality system with encoding beacons

#50
20130272705
2013-10-17

Method and system for WDM transmission with chromato-temporal encoding

#51
20130266321
2013-10-10

Sensing apparatus

#52
20130071105
2013-03-21

High speed multi-mode fiber transmissions via orthogonal wavefronts

#53
20130070677
2013-03-21

Concurrent airborne communication methods and systems

#54
20130051802
2013-02-28

Optical network system, optical line terminal, optical network unit and optical distribution network apparatus

#55
20130016837
2013-01-17

OCDM-based all optical multi-level security

#56
20120301136
2012-11-29

Coherent power combining for signals through multiple satellite communications channels

#57
20120140780
2012-06-07

Coherent power combining via wavefront multiplexing on deep space spacecraft

#58
20120014470
2012-01-19

QUADRATURE MODULATOR WITH FEEDBACK CONTROL AND OPTICAL COMMUNICATIONS SYSTEM USING THE SAME

#59
20110255554
2011-10-20

Signal processing using spectrally phase encoded optical frequency combs

#60
20110243560
2011-10-06

Passive optical communication network system extendable with codec modules

#61
20110085804
2011-04-14

Multimode optical transmission device

#62
20110076008
2011-03-31

Optical code division multiplexing communication system and method for correcting failure of the same

#63
20110013909
2011-01-20

Optical Code Division Multiplexing Access System

#64
20100221010
2010-09-02

Encoding-decoding method, optical pulse time spreading apparatus, optical add-drop-multiplexer, and optical communication system

#65
20100215373
2010-08-26

Method and apparatus for generating time-division multiplexed encoded transmission signal

#66
20100215370
2010-08-26

Optical code division multiplex signal generator

#67
20100196005
2010-08-05

Optical multiport spectral phase encoder

#68
20100158527
2010-06-24

Optical communication system using WDMA and CDMA

#69
20100091990
2010-04-15

OCDM-based all optical multi-level security

#70
20100074621
2010-03-25

Optical division multiplexing transmission and reception method and optical division multiplexing transmission and reception device

#71
20100074617
2010-03-25

Optical pulse time spreading apparatus and optical multiplex transmitting system with multiplexed channels and S/N ratio increased

#72
20100067922
2010-03-18

Variable spectral phase encoder/decoder based on decomposition of hadamard codes

#73
20100028024
2010-02-04

Secure optical communications system and method with coherent detection

#74
20100003031
2010-01-07

Variable spectral phase encoder/decoder based on decomposition of Hadamard codes

#75
20090317034
2009-12-24

Optical pulse time spreading device for spreading light pulse over time axis

#76
20090274470
2009-11-05

Optical code communication system

#77
20090269064
2009-10-29

Optical CDMA by Self Heterodyne Filtering

#78
20090257750
2009-10-15

Optical code division multiplex communication method, system, and module

#79
20090232499
2009-09-17

Passive optical network communication method and system

#80
20090220246
2009-09-03

Optical receiver and a free-space optical communications using the same

#81
20090220232
2009-09-03

Code division multiplex communication system

#82
20090202246
2009-08-13

Passive optical network communication system

#83
20090196614
2009-08-06

Acousto-optic filter and optical CDMA system using the same

#84
20090190927
2009-07-30

Optical code division multiplexing transmission and reception method and optical code division multiplexing transceiver

#85
20090175631
2009-07-09

Pulse signal demodulation device

#86
20090175621
2009-07-09

Optical code division multiplexing module and method

#87
20090142051
2009-06-04

Coherent optical detector and coherent communication system and method

#88
20090116518
2009-05-07

Multiplexing of optical beams using reversed laser scanning

#89
20090092392
2009-04-09

VIRTUAL I/Q MULTIPLEXING IN OPTICAL CODE DIVISION FOR SECURE LOCAL AREA OFDM

#90
20090010646
2009-01-08

Optical pulse time spreading device

#91
20080304828
2008-12-11

Optical communication system using WDMA and CDMA

#92
20080240734
2008-10-02

Multimode optical transmission device

#93
20080107430
2008-05-08

Mixed phase and wavelength coded optical code division multiple access system

#94
20080107429
2008-05-08

Spectrally phase encoded optical code division multiple access system

#95
20080075462
2008-03-27

Code division multiplexing optical access network system

#96
20080063411
2008-03-13

Photonics-based Multi-band Wireless Communication System

#97
20070286603
2007-12-13

Optical multiplex communication system and delay quantity adjustment method

#98
20070280692
2007-12-06

Coherent gated receiver

#99
20070274733
2007-11-29

Coherent optical detector and coherent communication system and method

#100
20070253506
2007-11-01

CDMA transmission apparatus and CDMA transmission method

#101
20070248303
2007-10-25

Optical pulse time spreader

#102
20070223927
2007-09-27

Optical pulse time spreader and optical code division multiplexing transmission device

#103
20070177874
2007-08-02

Optical access network system

#104
20070147734
2007-06-28

Optical device for simultaneously generating and processing optical codes

#105
20070133918
2007-06-14

Quadrature modulator with feedback control and optical communications system using the same

#106
20070122153
2007-05-31

Optical code division multiplexing transmission/reception method and optical code division multiplexing transmission/reception device

#107
20070121556
2007-05-31

Optical code-division multiple-access network system employing central code assignment scheme and optical encoder and decoder for the network system

#108
20070110443
2007-05-17

Acousto-optic filter and optical CDMA system using the same

#109
20070110442
2007-05-17

Method and system for use in optical code division multiple access

#110
20070110362
2007-05-17

Coherent optical detector and coherent communication system and method

#111
20070097854
2007-05-03

Apparatus and method for reducing signal noise and OCDMA receiver and method

#112
20070077070
2007-04-05

Optical code division multiplexing receiving device and time gate processing method in optical code division multiplexing receiving device

#113
20070058902
2007-03-15

Optical pulse time spreading device

#114
20070003290
2007-01-04

Optical code-routed networks

#115
20060269286
2006-11-30

Optical pulse time spreading device

#116
20060215956
2006-09-28

Encoder/decoder for optical CDMA

#117
20060193633
2006-08-31

Optical division multiplexing transmission and reception method and optical division multiplexing transmission and reception device

#118
20060156158
2006-07-13

Two-dimensional optical CDMA system, PN coded wavelength/time encoder and decoder therein, and method of encoding/decoding

#119
20060120434
2006-06-08

Enhanced optical fast frequency hopping-cdma by means of over spreading and interleaving

#120
20060115272
2006-06-01

Optical code division multiplexing transmission and reception method and optical code division multiplexing transceiver

#121
20060056764
2006-03-16

Optical signal encoding apparatus and decoding apparatus

#122
20060039701
2006-02-23

Optical code division multiplexing communication method and system

#123
20050254476
2005-11-17

CDMA transmitting apparatus and CDMA transmitting method

#124
20050231804
2005-10-20

Segmented complex diffraction gratings

#125
20050226615
2005-10-13

Phase-encoded optical code division multiple access

#126
20050225861
2005-10-13

Segmented complex diffraction gratings

#127
20050225860
2005-10-13

Segmented complex diffraction gratings

#128
20050129094
2005-06-16

Communication system using wavelength spread-spectrum coding

#129
20050100338
2005-05-12

Two-dimensional wavelength/time optical CDMA system adopting balanced-modified pseudo random noise matrix codes

#130
20050089328
2005-04-28

Optical signal converter, optical encoder, optical decoder, and optical code division multiplexing communication apparatus

#131
20050084266
2005-04-21

Method for optical coding, optical corder and ocdma network architecture

#132
20050074199
2005-04-07

Optical coincidence system for narrowing the width of output pulses relative to optical signal and control pulses

#133
20050063705
2005-03-24

Optical correlator system and supporting method and apparatus

#134
20050036200
2005-02-17

Optical encoding/decoding device

#135
14844022
2017-07-11

Spread-spectrum bias control

#136
13990855
2015-06-02

Optical communication method and system

#137
13602282
2016-01-12

Apparatus for dual-polarization QAM and optical communications system using the same cross-reference to related application

#138
13536841
2016-01-05

System and method for scaling total client capacity with a standard-compliant optical transport network (OTN)