ClassID:

225434

H04L12/422 - CPC Classification

Classification description:

Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]; Loop networks Synchronisation for ring networks

Recent Application in this class:
#1
20250231582
2025-07-17

CONTROL SYSTEM, CLOCK SYNCHRONIZATION METHOD, CONTROLLER, NODE DEVICE, AND VEHICLE

#2
20250106792
2025-03-27

METHOD FOR ENGINE CONTROL AND MONITORING SYSTEM

#3
20250106068
2025-03-27

ENGINE CONTROL AND MONITORING SYSTEM

#4
20240171422
2024-05-23

COMMUNICATION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, AND PROGRAM

#5
20230370305
2023-11-16

Boundary clock synchronized loop

#6
20230266788
2023-08-24

Control system, clock synchronization method, controller, node device, and vehicle

#7
20230139414
2023-05-04

Bus converter

#8
20220400031
2022-12-15

MASTER DEVICE, ARITHMETIC PROCESSING DEVICE, PROGRAMMABLE LOGIC CONTROLLER, NETWORK, AND METHOD

#9
20220284711
2022-09-08

Power and data center (PDC) for automotive applications

#10
20220271973
2022-08-25

Network convergence mechanism for ring networks

#11
20220029855
2022-01-27

Relay device system

#12
20210306208
2021-09-30

Web handling system

#13
20200213023
2020-07-02

Method for operating a communication network in a ring topology

#14
20200195588
2020-06-18

Dual fault-tolerant network using guardian interlocking

#15
20200195470
2020-06-18

Communication device and automobile including the same

#16
20200125858
2020-04-23

Power and data center (PDC) for automotive applications

#17
20200092134
2020-03-19

Determination of data bus subscribers of a local bus

#18
20200092133
2020-03-19

Bus converter

#19
20200092130
2020-03-19

Transmission of data on a local bus

#20
20200089501
2020-03-19

Pre-loading of instructions

#21
20190363978
2019-11-28

Detecting egresses of a point-to-multipoint label switched path in a ring network

#22
20190339733
2019-11-07

System and methods for completing a cascaded clock ring bus

#23
20190149898
2019-05-16

Transmission method for an optical burst transport network, slave node, and computer storage medium

#24
20190089580
2019-03-21

Web handling system

#25
20180323890
2018-11-08

Method and apparatus for transmitting clock packet

#26
20180198642
2018-07-12

Computerized apparatus with a high speed data bus

#27
20180145850
2018-05-24

Permutated ring network

#28
20180145849
2018-05-24

Distributed control synchronized ring network architecture

#29
20180102944
2018-04-12

Systems and methods for avoiding inadvertent loops in a layer 2 switched network

#30
20180054324
2018-02-22

SYSTEM AND METHOD FOR INTEGRATING REDUNDANT RING AND RAPID SPANNING TREE PROTOCOL (RSTP)

#31
20170187546
2017-06-29

Computerized apparatus with a high speed data bus

#32
20170150464
2017-05-25

COMMUNICATION APPARATUS, TIME SYNCHRONIZING METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

#33
20170006362
2017-01-05

Optical burst transport network, node, transmission method and computer storage medium

#34
20160337115
2016-11-17

Method for training time slot synchronization of nodes in optical burst transport network, node device and network

#35
20160277288
2016-09-22

Network system and relay device

#36
20160254890
2016-09-01

Board, wireless communications system, and method for channel correction inside or outside board

#37
20160080170
2016-03-17

Computerized apparatus with a high speed data bus

#38
20150172220
2015-06-18

Ethercat packet forwarding with distributed clocking

#39
20150139242
2015-05-21

Anti-starvation and bounce-reduction mechanism for a two-dimensional bufferless interconnect

#40
20150138954
2015-05-21

Ring network for a vehicle

#41
20150085864
2015-03-26

Method for transmitting data

#42
20140321481
2014-10-30

Method for time synchronization in a communication network

#43
20140301405
2014-10-09

High speed ring/bus

#44
20140092732
2014-04-03

Anti-starvation and bounce-reduction mechanism for a two-dimensional bufferless interconnect

#45
20140079393
2014-03-20

Remote timing communications

#46
20130094622
2013-04-18

System and method for synchronization of networked fire alarm panels

#47
20120106568
2012-05-03

COMMUNICATIONS SYSTEMS WITH SCAN TABLE IDENTIFICATION

#48
20120076146
2012-03-29

Method for transmitting data

#49
20110075681
2011-03-31

High speed ring/bus

#50
20110069799
2011-03-24

Redundant communication timing for remote nodes

#51
20110044350
2011-02-24

System and method for multiple timing masters in a network

#52
20100118721
2010-05-13

Communication system, management apparatus, communication apparatus and computer program

#53
20100085885
2010-04-08

Communication system, management apparatus, communication apparatus and computer program

#54
20090245802
2009-10-01

System and method for dual wavelength communications of a clock signal

#55
20090245291
2009-10-01

System and method for communicating timing to a remote node

#56
20090100189
2009-04-16

Data network with a time synchronization system

#57
20090016384
2009-01-15

Method and apparatus for distributing synchronization status messages over a Resilient Packet Ring (RPR)

#58
20070143510
2007-06-21

COMMUNICATION STRUCTURE

#59
20070064629
2007-03-22

High speed ring/bus

#60
20070002773
2007-01-04

Redundant multi-fiber optical ring network

#61
20060276913
2006-12-07

System for motion control, method of using the system for motion control, and computer readable instructions for use with the system for motion control

#62
20060276912
2006-12-07

System for motion control, method of using the system for motion control, and computer-readable instructions for use with the system for motion control

#63
20060271805
2006-11-30

System for motion control, method of using the system for motion control, and computer readable instructions for use with the system for motion control

#64
20060133383
2006-06-22

Communications system with scan table identification

#65
20060114943
2006-06-01

Method for synchronization in a redundant communication system

#66
20050273182
2005-12-08

System for motion control, method of using the system for motion control, and computer readable instructions for use with the system for motion control

#67
20050201275
2005-09-15

Multi-tier, hierarchical fiber optic control network

#68
20050147411
2005-07-07

Optical reservation-based network switch fabrics

#69
20050141524
2005-06-30

Controlling start up in a network

#70
20050128950
2005-06-16

Parasitic time synchronization for a centralized communications guardian

#71
20050088982
2005-04-28

Fiber optic control network and related method