Patents-Review.com
ClassID:

224551 ⎘

H04J14/0256 - 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; Optical medium access at the optical channel layer

Sub-classes:
Recent Application in this class:
#1
20250274214
2025-08-28

INITIATING A COMMUNICATION OR CONNECTIVITY SERVICE BETWEEN A FIRST LOCATION AND A SECOND LOCATION BASED ON OPTICAL DATA TRANSMISSION OF A USER-DEFINED OPTICAL SIGNAL

 #2
20250096921
2025-03-20

IFoF SCHEME OPTICAL TRANSMISSION SYSTEM

 #3
20230379075
2023-11-23

FRONTHAUL NETWORK UNITS AND METHODS THEREIN FOR SYNCHRONIZATION OVER A SINGLE OPTICAL FIBER IN A FRONTAHUL NETWORK

 #4
20230353913
2023-11-02

Optical network management apparatus and method of allocating optical frequency band

 #5
20230254036
2023-08-10

Optical network system, optical node device, and optical network control method

 #6
20230188568
2023-06-15

SYSTEM AND METHOD FOR TRANSMITTING A DATA STREAM IN A NETWORK

 #7
20230127870
2023-04-27

System and method for performing in-service optical network certification

 #8
20230059239
2023-02-23

SYSTEM AND METHOD FOR PERFORMING HIGH-SPEED COMMUNICATIONS OVER FIBER OPTICAL NETWORKS

 #9
20230006757
2023-01-05

System and method for performing high-speed communications over fiber optical networks

 #10
20220407606
2022-12-22

Laser Module for Optical Data Communication System

 #11
20220303040
2022-09-22

Wavelength multiplexing processor

 #12
20220141559
2022-05-05

Intelligent subsystem

 #13
20220060273
2022-02-24

Wavelength converter and optical transmission device that includes wavelength converter

 #14
20220060257
2022-02-24

Optical network system, optical node device, and optical network control method

 #15
20220029703
2022-01-27

System and method for performing in-service optical network certification

 #16
20210360338
2021-11-18

Intelligent subsystem in a access networks

 #17
20210360337
2021-11-18

Intelligent subsystem in access networks

 #18
20210352386
2021-11-11

Optical network management apparatus and method of allocating optical frequency band

 #19
20210281934
2021-09-09

Intelligent subsystem

 #20
20210258666
2021-08-19

Intelligent subsystem

 #21
20210258664
2021-08-19

Intelligent subsystem in access networks

 #22
20210227305
2021-07-22

Intelligent subsystem

 #23
20210227304
2021-07-22

Intelligent subsystem

 #24
20210227303
2021-07-22

Intelligent subsystem

 #25
20210160286
2021-05-27

System and method for transmitting a data stream in a network

 #26
20210067243
2021-03-04

System and method for performing in-service optical network certification

 #27
20210044374
2021-02-11

Packet processing method and device

 #28
20210037298
2021-02-04

Multi-layer wavelength-division multiplexing devices

 #29
20210028590
2021-01-28

OPTICAL AMPLIFIER, OPTICAL COMMUNICATION SYSTEM AND OPTICAL AMPLIFICATION METHOD

 #30
20200403721
2020-12-24

System and method for performing high-speed communications over fiber optical networks

 #31
20200403703
2020-12-24

Laser module for optical data communication system

 #32
20200374608
2020-11-26

Intelligent subsystem

 #33
20200344533
2020-10-29

Optical network management apparatus and method of allocating optical frequency band

 #34
20200313787
2020-10-01

Apparatus and method to reduce the impact of coherent crosstalk in optical networks

 #35
20200313765
2020-10-01

Optical network system, optical node device, and optical network control method

 #36
20200296490
2020-09-17

Intelligent subsystem

 #37
20200296489
2020-09-17

Intelligent subsystem

 #38
20200288223
2020-09-10

Intelligent subsystem in access networks

 #39
20200271864
2020-08-27

Multi-wavelength optical signal splitting

 #40
20200228199
2020-07-16

System and method for performing in-service optical network certification

 #41
20200204889
2020-06-25

Message Encoding Parameter Reconfiguration in an Optical Network

 #42
20200204285
2020-06-25

Fault-tolerant distributed passive optical network bonding

 #43
20200162185
2020-05-21

Method and system for a free space CWDM MUX/DEMUX for integration with a grating coupler based silicon photonics platform

 #44
20200106544
2020-04-02

Trunk management in simulated Fibre channel trunking system environment

 #45
20200092025
2020-03-19

Method and system for eliminating polarization dependence for 45 degree incidence MUX/DEMUX designs

 #46
20200076527
2020-03-05

System and method for transmitting a data stream in a network

 #47
20200044733
2020-02-06

System and method for performing in-service optical network certification

 #48
20190394545
2019-12-26

Intelligent subsystem

 #49
20190373347
2019-12-05

Intelligent subsystem in access networks

 #50
20190306597
2019-10-03

Optical network management apparatus and method of allocating optical frequency band

 #51
20190260469
2019-08-22

System and method for performing in-service optical network certification

 #52
20190207700
2019-07-04

System and method for performing high-speed communications over fiber optical networks

 #53
20190190640
2019-06-20

Reconfigurable interconnected nodes

 #54
20190158210
2019-05-23

Multichannel optical transceiver for matching data traffic classes to channel numbers

 #55
20190140981
2019-05-09

Low level provisioning of network fabrics

 #56
20190140949
2019-05-09

Path determining method, apparatus, and system

 #57
20190140764
2019-05-09

Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting

 #58
20190140760
2019-05-09

Methods and apparatus for logical associations between routers and optical nodes within a wavelength division multiplexing (WDM) system

 #59
20190140415
2019-05-09

Multi-wavelength laser

 #60
20190124426
2019-04-25

Intelligent subsystem in access networks

 #61
20190109667
2019-04-11

Low cost intensity-modulated direct-detection (IMDD) optical transmitter and receiver

 #62
20190109666
2019-04-11

Wavelength converter and optical transmission device that includes wavelength converter

 #63
20190094466
2019-03-28

Multi-wavelength optical signal splitting

 #64
20190072716
2019-03-07

Method and system for partial integration of wavelength division multiplexing and bi-directional solutions

 #65
20190068310
2019-02-28

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

 #66
20190037289
2019-01-31

Optical network management apparatus and method of allocating optical frequency band

 #67
20190020416
2019-01-17

Optical signal modulation

 #68
20190007156
2019-01-03

Method and apparatus for modifying channels in an optical medium

 #69
20190007133
2019-01-03

System and method for performing in-service optical network certification

 #70
20180351685
2018-12-06

Station-side device and wavelength control method

 #71
20180343641
2018-11-29

RF transport network

 #72
20180337744
2018-11-22

Optical transmitter and optical receiver

 #73
20180331779
2018-11-15

Methods and apparatus for remote management of an optical transceiver system

 #74
20180316874
2018-11-01

Effect switcher and switcher system

 #75
20180314006
2018-11-01

Wavelength division multiplexing/demultiplexing optical transceiving assembly based on diffraction grating

 #76
20180294887
2018-10-11

Reduced power dissipation optical interface using remote lasers

 #77
20180287697
2018-10-04

Fast probing of signal quality in a WDM network

 #78
20180254845
2018-09-06

Optical transmission apparatus and optical transmission method

 #79
20180254844
2018-09-06

Fault tolerant optical apparatus

 #80
20180227072
2018-08-09

Optical line terminal communication method and device with data structure

 #81
20180219645
2018-08-02

Wavelength-division multiplexing using shared process information

 #82
20180175963
2018-06-21

System and method for performing high-speed communications over fiber optical networks

 #83
20180175939
2018-06-21

Optical distribution network protection

 #84
20180156973
2018-06-07

Method and system for partial integration of wavelength division multiplexing and bi-directional solutions

 #85
20180128983
2018-05-10

Free-space optical collimator

 #86
20180128978
2018-05-10

Multi-wavelength transmission apparatus using cylindrical lenses

 #87
20180097562
2018-04-05

Network controller and signal quality estimating method

 #88
20180091251
2018-03-29

Communication network employing network devices with packet delivery over pre-assigned optical channels

 #89
20180083698
2018-03-22

Optical network system, optical node device, and optical network control method

 #90
20180063029
2018-03-01

Optoelectronic switch

 #91
20180026724
2018-01-25

Optical transmitter, optical receiver and optical transmission method

 #92
20180019820
2018-01-18

Laser module for optical data communication system

 #93
20180013513
2018-01-11

Method and central network device for establishing an embedded optical communication channel in an optical WDM transmission system

 #94
20170353242
2017-12-07

Transmission adjustment for space division multiplexing of optical signals

 #95
20170346592
2017-11-30

Dense wavelength-division multiplexing (DWDM) network and method

 #96
20170331579
2017-11-16

System and method for performing high-speed communications over fiber optical networks

 #97
20170324505
2017-11-09

Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting

 #98
20170324480
2017-11-09

Passive optical-based data center networks

 #99
20170317777
2017-11-02

Methods and apparatus for logical associations between routers and optical nodes within a wavelength division multiplexing (WDM) system

 #100
20170310416
2017-10-26

Apparatus and method for processing a frequency offset of a pilot and receiver

 #101
20170285269
2017-10-05

Method and apparatus for providing multiport free-space wavelength-division multiplexing (WDM) device using a relay lens

 #102
20170279556
2017-09-28

Optical transport apparatus and optical-wavelength defragmenting method

 #103
20170272847
2017-09-21

Intelligent subsystem in access networks

 #104
20170230133
2017-08-10

MINIMIZING BANDWIDTH NARROWING PENALTIES IN A WAVELENGTH SELECTIVE SWITCH OPTICAL NETWORK

 #105
20170223438
2017-08-03

PON wavelength bonding for providing higher-rate data services

 #106
20170170895
2017-06-15

Optical carrier selector system and method

 #107
20170155464
2017-06-01

Optical wavelength automatic adaptation of transceivers

 #108
20170111138
2017-04-20

System and method for applying system policies in an optical communication system having user-allocated bandwidth

 #109
20170082801
2017-03-23

Method and system for partial integration of wavelength division multiplexing and bi-directional solutions

 #110
20170078041
2017-03-16

Optical multiplex level and optical channel layer server trails in wavelength switched optical networks

 #111
20170034603
2017-02-02

Memory access system, apparatus, and method

 #112
20170026145
2017-01-26

SYSTEM AND METHOD FOR PERFORMING HIGH-SPEED COMMUNICATIONS OVER FIBER OPTICAL NETWORKS

 #113
20170019167
2017-01-19

Optical transmission device and protection wavelength selection method

 #114
20170006363
2017-01-05

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

 #115
20160377822
2016-12-29

Monitoring and controlling temperature across a laser array in a transmitter optical subassembly (TOSA) package

 #116
20160373187
2016-12-22

Network controller and signal quality estimating method

 #117
20160269105
2016-09-15

Optical communication system and optical communication abnormality-recovery method

 #118
20160261362
2016-09-08

Optical transmission apparatus and wavelength control method

 #119
20160249118
2016-08-25

Grooming method and device for packet optical transport network

 #120
20160248535
2016-08-25

Method and apparatus for modular ROADM and remote DWDM wavelength add/drop

 #121
20160241937
2016-08-18

Software defined optical network

 #122
20160241353
2016-08-18

Optical data transmission method and apparatus

 #123
20160226617
2016-08-04

System and method for applying system policies in an optical communication system having user-allocated bandwidth

 #124
20160197699
2016-07-07

Bandwidth map update method and device

 #125
20160191152
2016-06-30

System and method for performing in-service optical fiber network certification

 #126
20160173224
2016-06-16

Method and apparatus for transporting a client signal over an optical network

 #127
20160173223
2016-06-16

Multiplexing two separate optical links with the same wavelength using asymmetric combining and splitting

 #128
20160156413
2016-06-02

Method for processing optical signal, optical signal sending node and optical node

 #129
20160149643
2016-05-26

Optical transceiver outputting wavelength multiplexed signal and receiving another wavelength multiplexed signal

 #130
20160094487
2016-03-31

Optoelectronic switch

 #131
20160006608
2016-01-07

Channel map for optical network unit activation and rogue behavior prevention

 #132
20160006545
2016-01-07

Data mapping and multiplexing method and device and data demultiplexing and demapping method and device

 #133
20150381276
2015-12-31

Optical transmission system, optical transmission apparatus and wavelength spacing measurement apparatus

 #134
20150333863
2015-11-19

Measuring device, measurement method, and transmission system

 #135
20150295385
2015-10-15

Switched radio frequency (RF) driver for tunable laser with multiple in-line sections

 #136
20150245114
2015-08-27

Optical networking unit (ONU) packaging

 #137
20150222970
2015-08-06

Lossless and low-delay optical burst switching using soft reservations and opportunistic transmission

 #138
20150222386
2015-08-06

Grooming multicast traffic in flexible optical wavelength division multiplexing WDM networks

 #139
20150215686
2015-07-30

Optical multiplex level and optical channel layer server trails in wavelength switched optical networks

 #140
20150215044
2015-07-30

Topology-reconfigurable optical mobile fronthaul architecture with software-defined connectivity and hierarchical QoS

 #141
20150207585
2015-07-23

Optical line terminal communication method and device with data structure

 #142
20150200873
2015-07-16

Low level provisioning of network fabrics

 #143
20150195186
2015-07-09

Method and apparatus for providing a route recommendation

 #144
20150172218
2015-06-18

Multiple petabit-per-second switching system employing latent switches

 #145
20150139653
2015-05-21

Prioritized optical arbitration systems and methods

 #146
20150139652
2015-05-21

Method and apparatus for allocating slots for transmission of data

 #147
20150131997
2015-05-14

Multi layer, multi vendor, multi domain, applications for software defined networking enabled networks

 #148
20150043906
2015-02-12

Method, system, and node device for monitoring optical performance of wavelength channel

 #149
20150030322
2015-01-29

Method and device for determining whether a configuration of an optical transmission interface has to be adjusted

 #150
20140341570
2014-11-20

Amortization of expensive optical components

 #151
20140308038
2014-10-16

Method, device, and nested system for allocating uplink and downlink bandwidth

 #152
20140308037
2014-10-16

Optical network switching using N:N transponder through time-domain multiplexing and burst mode access

 #153
20140270775
2014-09-18

Method for registering optical network unit in telecommunications network and optical network unit therefor

 #154
20140255031
2014-09-11

Integrated passive optical network (PON) system

 #155
20140233944
2014-08-21

Optical network terminal (ONT) wavelength tuning and correpsonding calibration procedure

 #156
20140161460
2014-06-12

Method and apparatus for transporting a client signal over an optical network

 #157
20140147107
2014-05-29

Drop port based shared risk link group systems and methods

 #158
20140133861
2014-05-15

Opportunistic bandwidth stealing in optical networks

 #159
20140099117
2014-04-10

40, 50 and 100 Gb/s optical transceivers/transponders in 300pin and CFP MSA modules

 #160
20140099110
2014-04-10

Optical transmission system, method of adjusting optical transmission device, and non-transitory computer-readable medium

 #161
20140093242
2014-04-03

Security in multiwavelength optical networks

 #162
20140072301
2014-03-13

Minimizing bandwidth narrowing penalities in a wavelength selective switch optical network

 #163
20140016926
2014-01-16

System and method for performing in-service optical network certification

 #164
20130315600
2013-11-28

Registration of device characteristics with optical layer for use in establishing connections through an optical network

 #165
20130302029
2013-11-14

Wavelength tuning time measurement apparatus and method for multi-wavelength passive optical network

 #166
20130287396
2013-10-31

Passive optical network arrangement and method

 #167
20130272710
2013-10-17

Defragmentation of optical networks

 #168
20130266320
2013-10-10

Optical transmission system using cross phase modulation

 #169
20130163983
2013-06-27

Signaling protocol for multi-domain optical networks

 #170
20130108273
2013-05-02

Super optical channel data unit signal supported by multiple wavelengths

 #171
20130108268
2013-05-02

Super optical channel transport unit signal supported by multiple wavelengths

 #172
20130101286
2013-04-25

Demand accommodation designing system and method

 #173
20130084064
2013-04-04

Method and system of automatic regeneration of optical signals

 #174
20130058650
2013-03-07

Method and system for flexible optical signal aggregation and transmission

 #175
20130051798
2013-02-28

Methods and apparatuses for DWDM multi-mode switching router and dynamic multi-mode configuration and reconfiguration

 #176
20130022353
2013-01-24

Network evaluation apparatus and network evaluation method

 #177
20130004163
2013-01-03

Optical transmission apparatus and optical interleaving control method

 #178
20120301143
2012-11-29

Apparatus and method for setting an optical path in an optical network

 #179
20120294612
2012-11-22

Optical packet signal transmission device and WDM optical communication network

 #180
20120281979
2012-11-08

OPTICAL NETWORK WITH LIGHT-PATH AGGREGATION

 #181
20120257637
2012-10-11

Latent space switch using a single transposing rotator

 #182
20120257636
2012-10-11

Single-rotator latent space switch with an embedded controller

 #183
20120257616
2012-10-11

Single-rotator latent space switch with an external controller

 #184
20120251121
2012-10-04

Periodic superchannel carrier arrangement for optical communication systems

 #185
20120251120
2012-10-04

Multiplexer and modulation arrangements for multi-carrier optical modems

 #186
20120251119
2012-10-04

Multiplexer and modulation arrangements for multi-carrier optical modems

 #187
20120237212
2012-09-20

Optical network system

 #188
20120230681
2012-09-13

Optical transmission apparatus and optical attenuation amount control method

 #189
20120213517
2012-08-23

Optical-layer traffic grooming in flexible optical networks

 #190
20120195599
2012-08-02

System, laser-on-CMOS chip, and method for setting a wavelength to be used by the laser-on-CMOS chip

 #191
20120195592
2012-08-02

Minimizing bandwidth narrowing penalties in a wavelength selective switch optical network

 #192
20120170937
2012-07-05

Variable channel spacing in a coherent transmission system

 #193
20120163820
2012-06-28

Upgradable WDM system

 #194
20120163813
2012-06-28

IMPROVEMENTS IN OPTICAL NETWORKS

 #195
20120155862
2012-06-21

Optical packet switching system

 #196
20120155860
2012-06-21

Optical packet switching system and optical packet transmitter device

 #197
20120148242
2012-06-14

Dense wavelength division multiplexing multi-mode switching systems and methods for concurrent and dynamic reconfiguration with different switching modes

 #198
20120148235
2012-06-14

CONTROL CIRCUIT, COMMUNICATION SYSTEM, AND CONTROL METHOD

 #199
20120141125
2012-06-07

Optical bandwidth control device

 #200
20120141120
2012-06-07

Fuzzy control method and apparatus for signal receiving part in high speed wavelength division multiplexing system

 #201
20120120468
2012-05-17

Fair token arbitration systems and methods

 #202
20120114326
2012-05-10

Method and apparatus for automatically restoring node resource state in WSON system

 #203
20120093509
2012-04-19

Optical multiplexing terminal device, wavelength multiplexing passive optical network system and downlink wavelength transmission method

 #204
20120093500
2012-04-19

Dynamic bandwidth allocation apparatus and method and optical line terminal in PON system

 #205
20120087665
2012-04-12

Method and apparatus for providing a route recommendation

 #206
20120087662
2012-04-12

PASSIVE OPTICAL NETWORK AND SUBSCRIBER LINE TERMINAL

 #207
20120082460
2012-04-05

Wavelength division multiplexed optical communication system architectures

 #208
20120082452
2012-04-05

Implement method of resource reservation protocol with multi-services convergence transmission for optical burst switching networks

 #209
20120063779
2012-03-15

Method, apparatus and system for advertising routing protocol message and calculating route

 #210
20110317997
2011-12-29

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

 #211
20110317994
2011-12-29

Method and system for automatic lane negotiation in an optical network

 #212
20110311236
2011-12-22

OPTICAL AMPLIFIER, CONTROL METHOD THEREFOR, AND OPTICAL TRANSMISSION SYSTEM

 #213
20110293278
2011-12-01

Dynamic intelligent bidirectional optical and wireless access communication system

 #214
20110280580
2011-11-17

TECHNIQUE FOR TRAFFIC RECOVERY IN MULTILAYER COMMUNICATION NETWORKS

 #215
20110274439
2011-11-10

Communication system comprising a tunable laser

 #216
20110211840
2011-09-01

Remotely settable chromatic dispersion robustness for dense wave division multiplexing interfaces

 #217
20110211827
2011-09-01

System and method for performing in-service optical fiber network certification

 #218
20110206204
2011-08-25

METHODS AND DEVICES OF QUANTUM ENCODING ON DWDM (ROADM) NETWORK AND FIBER OPTIC LINKS .

 #219
20110158653
2011-06-30

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

 #220
20110135310
2011-06-09

Channel power management in a branched optical communication system

 #221
20110135307
2011-06-09

Fiber Optic Terminals, Systems, and Methods for Network Service Management

 #222
20110116788
2011-05-19

Method and system for shared protection in wavelength division multiplexing loop network

 #223
20110103397
2011-05-05

Two-phase arbitration mechanism for shared optical links

 #224
20110097086
2011-04-28

Optical broadcast systems and methods

 #225
20110020004
2011-01-27

Data transmission method, data processing node, and data transmission system

 #226
20100322632
2010-12-23

40, 50 and 100 Gb/s optical transceivers/transponders in 300pin and CFP MSA modules

 #227
20100247104
2010-09-30

Optical Communication System and Method for Generating Dark Return-to-Zero and DWDM Optical MM-Wave Generation For ROF Downstream link using Optical Phase Modulator and Optical Interleaver

 #228
20100202773
2010-08-12

System and method for impairment-aware routing and wavelength assignment in wavelength switched optical networks

 #229
20100183308
2010-07-22

Registration of device characteristics with optical layer for use in establishing connections through an optical network

 #230
20100158530
2010-06-24

System and method for performing high-speed communications over fiber optical networks

 #231
20100142960
2010-06-10

Upgrading method, system and apparatus of low-density wavelength division multiplexing system

 #232
20100142380
2010-06-10

Multicasting method in network including T-MPLS network and WDM network and apparatus therefor

 #233
20100135661
2010-06-03

ETHERNET-BASED NEXT GENERATION OPTICAL TRANSPORT NETWORK APPARATUS AND TRAFFIC GROOMING METHOD THEREOF

 #234
20100135659
2010-06-03

Packet-optical integrated switch without optical transponder

 #235
20100129078
2010-05-27

Optical transmission systems, devices, and methods

 #236
20100098412
2010-04-22

Managed PON repeater and cross connect

 #237
20100080556
2010-04-01

Chromatic dispersion compensation design system and chromatic dispersion compensation design method

 #238
20100077103
2010-03-25

Route calculation system, network management device, route calculation engine, route calculation method and program product

 #239
20100054240
2010-03-04

Single-rotator circulating switch

 #240
20100040367
2010-02-18

Optical node device, network control device, maintenance-staff device, optical network, and 3R relay implementation node decision method

 #241
20100021166
2010-01-28

Spectrally Efficient Parallel Optical WDM Channels for Long-Haul MAN and WAN Optical Networks

 #242
20090297151
2009-12-03

Optical transmitting apparatus and optical transmitting and receiving apparatus

 #243
20090290871
2009-11-26

SIGNAL-LIGHT IDENTIFYING APPARATUS, WDM TRANSCEIVER, AND METHOD OF IDENTIFYING SIGNAL LIGHT

 #244
20090257748
2009-10-15

OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

 #245
20090252493
2009-10-08

Network node, buffer device, and scheduling method

 #246
20090245797
2009-10-01

COMMUNICATION SYSTEM AND APPARATUS

 #247
20090238571
2009-09-24

Optical transmission system and method for chromatic dispersion compensation

 #248
20090226173
2009-09-10

Wavelength division multiplexing filter, wavelength division multiplexing system, and wavelength division multiplexing method

 #249
20090226169
2009-09-10

Programmable optical network architecture

 #250
20090220237
2009-09-03

Optical wavelength multiplexing device, optical wavelength dividing device, optical wavelength dividing multiplexing device, and method of controlling optical band-pass filter

 #251
20090205007
2009-08-13

Fiber-optic access network utilizing CATV technology in an efficient manner

 #252
20090196608
2009-08-06

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