ClassID:

224548

H04J14/0252 - page 2 - 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-one, e.g. unicasting wavelengths in WDM-PON for upstream transmission, e.g. ONU-to-OLT or ONU-to-ONU Sharing one wavelength for at least a group of ONUs, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU

Recent Application in this class:
#301
20070077068
2007-04-05

Time and wavelength-shifted dynamic bidirectional system

#302
20070076505
2007-04-05

Power Line Communications Device and Method of Use

#303
20070065089
2007-03-22

Optical termination apparatus and optical transmission system

#304
20070061846
2007-03-15

Audio and/or video system for a motor vehicle

#305
20070058973
2007-03-15

Optical termination system

#306
20070036547
2007-02-15

FTTP IP video overlay

#307
20070019956
2007-01-25

Wavelength division multiplexing passive optical networks to transport access platforms

#308
20060291858
2006-12-28

Bi-directional compound-WDM fiberoptic system architecture with redundancy protection for transmission of data, voice and video signals

#309
20060275036
2006-12-07

Method and apparatus for automatically upgrading passive optical networks (PONs)

#310
20060269291
2006-11-30

Bidirectional time division multiplexing optical communication system

#311
20060268704
2006-11-30

Dynamic bandwidth allocation and service differentiation for broadband passive optical networks

#312
20060257148
2006-11-16

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

#313
20060242682
2006-10-26

An Optical Communication System for Transmitting RF Signals Downstream and Bidirectional Telephony Signals Which Also Include RF Control Signals Upstream

#314
20060222365
2006-10-05

SCM-PON using WDM

#315
20060216029
2006-09-28

Method and system for improving upstream efficiency in extended broadcasting networks

#316
20060210271
2006-09-21

Station-side apparatus in optical communication

#317
20060203844
2006-09-14

Method and apparatus for downstream ethernet overlay in optical communications

#318
20060192672
2006-08-31

Power line communications device and method

#319
20060165413
2006-07-27

DWDM CATV return system with up-converters to prevent fiber crosstalk

#320
20060165412
2006-07-27

Self-healing passive optical network

#321
20060159457
2006-07-20

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

#322
20060153565
2006-07-13

Hybrid passive optical network

#323
20060127093
2006-06-15

System and method for switching channels using tunable laser diodes

#324
20060127087
2006-06-15

Optical access network method, optical access network, and optical switch for optical access network

#325
20060120728
2006-06-08

Passive optical network system and method of transmitting broadcasting signal in same

#326
20060120727
2006-06-08

Optical transceiver for transmitting light source control information and optical network using the same

#327
20060120724
2006-06-08

Optical communication network

#328
20060115271
2006-06-01

Method for operating wavelength-division-multiplexed passive optical network

#329
20060110161
2006-05-25

Method and apparatus for monitoring optical fibers of passive optical network system

#330
20060097574
2006-05-11

Power line communications device and method of use

#331
20060097573
2006-05-11

Power line communications system and method of operating the same

#332
20060083515
2006-04-20

WDM-PON having optical source of self-injection locked fabry-perot laser diode

#333
20060083513
2006-04-20

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

#334
20060067705
2006-03-30

Pluggable optical diplexer/triplexer module

#335
20060067693
2006-03-30

Optical transmission system and optical transmission method

#336
20060067692
2006-03-30

Passive optical network of bus structure

#337
20060045526
2006-03-02

Optical communication system

#338
20060039699
2006-02-23

Countermeasures for idle pattern SRS interference in ethernet optical network systems

#339
20060039357
2006-02-23

Optical communication system capable of providing analog telephone service

#340
20060020975
2006-01-26

System and method for propagating satellite TV-band, cable TV-band, and data signals over an optical network

#341
20060018334
2006-01-26

Communication/broadcast multiplexer and demultiplexer used in communication/broadcast-integrated system

#342
20060002706
2006-01-05

Optical access network using wavelength-locked WDM optical source injected by incoherent light

#343
20050286903
2005-12-29

Protocol and line-rate transparent WDM passive optical network

#344
20050271385
2005-12-08

Multiport optical amplifier with narrowcast power equalization

#345
20050265386
2005-12-01

System and method for providing packetized video over an optical network

#346
20050237974
2005-10-27

Tree optical transmission network

#347
20050226619
2005-10-13

Add/drop node for an optical communications network

#348
20050201323
2005-09-15

Method and apparatus for multiplexing in a wireless communication infrastructure

#349
20050175343
2005-08-11

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

#350
20050172328
2005-08-04

FTTH PON that O/E converts 1310 nm for output to transmitters for E/O as 1550 nm

#351
20050169632
2005-08-04

FTTH system for broadcast/communication convergence using IEEE 1394

#352
20050163147
2005-07-28

Wavelength division multiplexed (WDM) ring passive optical network (PON) with route protection for replacement of splitter based passive optical networks

#353
20050158050
2005-07-21

Fiber-to-the-premise architectures

#354
20050152697
2005-07-14

Ethernet PON using time division multiplexing to converge broadcasting/video with data

#355
20050147067
2005-07-07

Method and apparatus for multiplexing in a wireless communication infrastructure

#356
20050138670
2005-06-23

Digital video overlay for passive optical networks

#357
20050129404
2005-06-16

Apparatus for providing broadcasting service through overlay structure in WDM-PON

#358
20050125837
2005-06-09

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

#359
20050074241
2005-04-07

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

#360
20050069319
2005-03-31

Passive optical network with optical fiber amplifier

#361
20050069318
2005-03-31

Ethernet passive optical network for integrating broadcast and communication based on time division multiplexing scheme

#362
20050069317
2005-03-31

Ethernet passive optical network accommodating real-time broadcast/image signals and being capable of providing security for broadcast/image signals

#363
20050068914
2005-03-31

Broadcasting and communication combining system based on Ethernet and method thereof

#364
20050058453
2005-03-17

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

#365
20050053376
2005-03-10

FTTH system for convergence of broadcasting and communication through switched broadcasting

#366
20050053324
2005-03-10

Modulator array architectures

#367
20050047790
2005-03-03

Optical subscriber network system

#368
20050025485
2005-02-03

Subscriber interfacing device in communication-broadcasting convergence FTTH

#369
20050013614
2005-01-20

Multi-wavelength, bi-directional optical multiplexer

#370
20050008372
2005-01-13

Optical line terminal and method that store the identity numbers of a number of optical network terminals that are associated with a single network end point

#371
12983448
2015-06-23

Communications system having remotely managed and configured optical network unit