ClassID:

231338

H04Q2011/0043 - CPC Classification

Classification description:

Selecting arrangements for multiplex systems using optical switching; Switch and router aspects; Operation Fault tolerance

Recent Application in this class:
#1
20250310667
2025-10-02

REDUNDANT LASER SOURCE FOR OPTICAL SYSTEMS

#2
20240291559
2024-08-29

Prioritizing optical routes for restoration based on failure impact on an IP layer

#3
20240284078
2024-08-22

Method for generating a customized WRONoC topology

#4
20240223273
2024-07-04

SYSTEM AND METHOD FOR TRAFFIC DISTRIBUTION WITH OPTICAL SWITCH

#5
20240171889
2024-05-23

Quantum computer using switchable couplings between logical qubits

#6
20240171886
2024-05-23

FABRIC MODULES FOR HIGH-RADIX NETWORKS

#7
20240168906
2024-05-23

Quantum computer using switchable network fusions

#8
20240168731
2024-05-23

Compiler systems and methods for quantum computer with reduced idle volume

#9
20230232139
2023-07-20

Service Protection Method and Network Node

#10
20230209229
2023-06-29

COMMUNICATION NETWORKS INCLUDING SERVING AREA BRIDGING CONNECTIONS AND ASSOCIATED METHODS

#11
20220286762
2022-09-08

Optical cross-connect device, optical transmission system, and optical transmission line connection error detection method

#12
20220279256
2022-09-01

Network device with integrated optical line system

#13
20210281932
2021-09-09

Network device with integrated optical line system

#14
20210218491
2021-07-15

Optical protection switch with broadcast multi-directional capability

#15
20200221193
2020-07-09

Software-Defined Redundancy in a Passive Optical Network

#16
20200137468
2020-04-30

Data Transmission Method and Transceiver Facilitating the Switching of Frequency Bands for Optical Channels

#17
20200106519
2020-04-02

Systems and methods for passive optical switching using MEMS mirror switches

#18
20200083976
2020-03-12

Optical protection switch with broadcast multi-directional capability

#19
20190387292
2019-12-19

SPECIALIZED OPTICAL SWITCHES UTILIZED TO REDUCE LATENCY IN SWITCHING BETWEEN HARDWARE DEVICES IN COMPUTER SYSTEMS AND METHODS OF USE THEREOF

#20
20190342641
2019-11-07

COMMUNICATION NETWORKS INCLUDING SERVING AREA BRIDGING CONNECTIONS AND ASSOCIATED METHODS

#21
20190253150
2019-08-15

Methods and apparatus for improving reliability of an optical device using auxiliary lasers in a photonic integrated circuit

#22
20190245625
2019-08-08

Methods and apparatus for improving reliability of an optical device using auxiliary lasers in a photonic integrated circuit

#23
20190182570
2019-06-13

SPECIALIZED OPTICAL SWITCHES UTILIZED TO REDUCE LATENCY IN SWITCHING BETWEEN HARDWARE DEVICES IN COMPUTER SYSTEMS AND METHODS OF USE THEREOF

#24
20190182569
2019-06-13

Passive optical network communications method, apparatus and system

#25
20190103934
2019-04-04

Optical protection switch with broadcast multi-directional capability

#26
20190007132
2019-01-03

Client protection switch in optical pluggable transceivers activated through fast electrical data squelch

#27
20180316418
2018-11-01

Protection apparatus for a bidirection optical link

#28
20180269963
2018-09-20

METHOD AND APPARATUS FOR HOT STANDBY OF CONTROLLERS IN DISTRIBUTED PROTECTION

#29
20180248617
2018-08-30

Synchronization of optical protection switching and loading of path specific characteristics

#30
20180234357
2018-08-16

Method for operating a line switching component, line switching component, line card, and network node thereof

#31
20180183513
2018-06-28

Methods and apparatus for improving reliability of an optical device using auxiliary lasers in a photonic integrated circuit

#32
20180152237
2018-05-31

TRANSMISSION DEVICE AND PATH SWITCHING METHOD

#33
20170366256
2017-12-21

OPTICAL COMPONENT

#34
20170366255
2017-12-21

Systems and methods for path protection switching due to client protection switching

#35
20170353235
2017-12-07

Transmission system, transmission device, and transmission method

#36
20170324471
2017-11-09

Systems and methods for performing optical line terminal (OLT) failover switches in optical networks

#37
20170230108
2017-08-10

OPTICAL FIBER DETECTION METHOD, DETECTION DEVICE, DETECTION PLATFORM AND ELEMENT MANAGEMENT SYSTEM

#38
20170176688
2017-06-22

Network Switch With Augmented Input and Output Capabilities

#39
20170171647
2017-06-15

Passive optical network communications method, apparatus and system

#40
20170078015
2017-03-16

Backup communications scheme in computer networks

#41
20170019167
2017-01-19

Optical transmission device and protection wavelength selection method

#42
20160366497
2016-12-15

Fast recovery of fibre channel (FC) link using delayed NOS message after FC link failure

#43
20160352417
2016-12-01

Fiber optic cabinet and network system with back-up connectivity

#44
20160344472
2016-11-24

Method and device for channel switching, optical network unit, and time wavelength division multiplexing system

#45
20160337031
2016-11-17

Communication system, communication control method, and transmission apparatus

#46
20160315696
2016-10-27

Protection switching method and apparatus for minimizing data loss in optical transport network system

#47
20160301467
2016-10-13

Low cost secure ROADM branching unit with redundancy protection

#48
20160277099
2016-09-22

Method and device for realizing optical channel data unit shared protection ring

#49
20160261337
2016-09-08

Slave station apparatus, master station apparatus, control device, communication system, and wavelength switching method

#50
20160248539
2016-08-25

Protection method and optical communication system

#51
20160241337
2016-08-18

Optical cross-bar switch that provides stable, low-loss, fiber-optic path protection

#52
20160211910
2016-07-21

Optical transmission system, node apparatus, and reachability determination method

#53
20160134360
2016-05-12

Optical transmission line switching apparatus and optical transmission system

#54
20160080074
2016-03-17

Intra-chassis protection systems and methods for passive optical network optical line terminals

#55
20150244453
2015-08-27

WSON restoration

#56
20150125141
2015-05-07

Procedures, apparatuses, systems, and computer programs for providing optical network channel protection

#57
20150050015
2015-02-19

High-reliability active optical cable (AOC) with redundant emitters

#58
20150016815
2015-01-15

Adding new alternative paths for restoration in WSON network

#59
20140363152
2014-12-11

Communication system, communication control method, and transmission apparatus

#60
20140341560
2014-11-20

Protection channel provisioning method and node equipment

#61
20140314401
2014-10-23

Transmission equipment and path selection method

#62
20140219654
2014-08-07

Optical network system

#63
20130343757
2013-12-26

Optical path switching

#64
20130121636
2013-05-16

Optical node configuration apparatus

#65
20120155862
2012-06-21

Optical packet switching system

#66
20120076488
2012-03-29

Method and device for realizing optical channel data unit shared protection ring

#67
20110236015
2011-09-29

Method of switching optical path, and apparatus thereof

#68
20110170857
2011-07-14

Verification of path integrity in optical switch network

#69
20100034532
2010-02-11

Communications Network

#70
20080285971
2008-11-20

SWITCH FOR OPTICAL INTERCONNECTION NETWORKS

#71
20080247755
2008-10-09

Circuit for transmitting signals in a network node, particularly for a channel card for an optical wavelength division multiplex (WDM) signal trasmitting device

#72
20080240716
2008-10-02

Beam position sensor for optical switch modules

#73
20080232800
2008-09-25

Method and apparatus for switching optical wavelengths

#74
20080166121
2008-07-10

Control system of a multichannel optical switch

#75
20080089682
2008-04-17

Automated testing and analysis of dense wave division multiplexing (DWDM) switching devices

#76
20080050065
2008-02-28

Wavelength selective switch module

#77
20070274715
2007-11-29

Node for an Optical Communication Network

#78
20070189663
2007-08-16

Optical crossconnect apparatus

#79
20070122149
2007-05-31

Transparent optical switch

#80
20060210266
2006-09-21

Optical apparatus and optical cross connect apparatus

#81
20060182440
2006-08-17

Fault isolation of individual switch modules using robust switch architecture

#82
20060093354
2006-05-04

Resilient switch

#83
20060093353
2006-05-04

Optical access node

#84
20060088317
2006-04-27

Mirror controller for optical switch

#85
20060078334
2006-04-13

Protection switching arrangement for an optical switching system

#86
20060056843
2006-03-16

Verification of path integrity in optical switch network

#87
20060050679
2006-03-09

Method for On-Line Recovery of Parameter Synchronization for Ciphering Applications

#88
20060029327
2006-02-09

Transparent optical switch

#89
20060018656
2006-01-26

Optical cross connect apparatus and optical transmission system

#90
20050213875
2005-09-29

Optical cross-connect device and method of optical communication control

#91
20050157977
2005-07-21

Transparent optical switch

#92
20050083921
2005-04-21

Router switch fabric protection using forward error correction

#93
20050058392
2005-03-17

Method of and architecture for optically switching light communication signals in fiber optic networks and the like

#94
20050031346
2005-02-10

Optical switching apparatus, optical transmission system and method of setting up for optical signal route

#95
20050025481
2005-02-03

Optical crossconnect apparatus and optical transmission system

#96
20050008284
2005-01-13

Transparent optical switch

#97
17467500
2022-11-22

Reordering low-priority explicit backup routes to follow implicit backup routes

#98
17149589
2022-02-08

Redundancy architectures and links

#99
16285407
2019-10-08

Handling channel holder failures in channel holder equipped optical links