ClassID:

224388

H04J3/0673 - CPC Classification

Classification description:

Time-division multiplex systems; Details; Synchronising arrangements; Clock or time synchronisation in a network; Clock or time synchronisation among nodes; Internode synchronisation; Clock or time synchronisation among packet nodes using intermediate nodes, e.g. modification of a received timestamp before further transmission to the next packet node, e.g. including internal delay time or residence time into the packet

Recent Application in this class:
#1
20260149521
2026-05-28

Clock Synchronization Between Access Networks Through Core Network

#2
20260121778
2026-04-30

COMMUNICATION APPARATUS HAVING LEADER AND FOLLOWER ROLES, METHOD FOR CONTROLLING COMMUNICATION APPARATUS, AND STORAGE MEDIUM

#3
20260106683
2026-04-16

SYSTEMS, APPARATUSES AND METHODS TO DISTRIBUTE TIMESTAMPS IN A WIRELESS NETWORK

#4
20250373353
2025-12-04

NON-TERRESTRIAL FRONTHAUL NETWORK ARCHITECTURES

#5
20250293789
2025-09-18

COMMUNICATION METHOD AND DEVICE USING SERIAL PERIPHERAL INTERFACE (SPI)

#6
20250240110
2025-07-24

PPS synchronization with delay correction

#7
20250211512
2025-06-26

DISTRIBUTED RADIO TRANSPARENT CLOCK OVER A WIRELESS NETWORK

#8
20250158729
2025-05-15

PTP 1-Step Boundary Clock Without Hardware Synchronization

#9
20250141577
2025-05-01

Method for Time Distribution in a Communication Network of a Vehicle, and Communication Network

#10
20250141576
2025-05-01

COMMUNICATIONS OF TIMING MESSAGES OVER NETWORK PATHS

#11
20250096918
2025-03-20

PRIORITY-BASED DESIGNATED INTERFACE SELECTION IN A LINK AGGREGATION GROUP

#12
20250038872
2025-01-30

Method of High Precision Time Synchronization Between a Device-Side Time-Sensitive Networking (TSN) Translator (DS-TT) and a TSN Grandmaster (GM)

#13
20240364442
2024-10-31

SEMICONDUCTOR DEVICE AND ELECTRONIC APPLIANCE

#14
20240340155
2024-10-10

INFORMATION CONTROL METHOD AND COMMUNICATIONS DEVICE

#15
20240340100
2024-10-10

PRECISION TIME PROTOCOL REDUNDANCY AND LOAD BALANCING ACROSS A SET OF ACTIVE TIME SERVERS

#16
20240267146
2024-08-08

SYSTEMS AND METHODS FOR SECURE, LOW BANDWIDTH REPLICATED VIRTUAL WORLDS FOR SHARED SPACE COMPUTING

#17
20240214100
2024-06-27

Input Synchronization for Cyclic Queueing and Forwarding (CQF)

#18
20240214099
2024-06-27

Determining a Residence Time in a Portion of a Network

#19
20240188011
2024-06-06

METHOD AND DEVICE FOR DELIVERING TIME-SENSITIVE NETWORKING SYNCHRONIZATION INFORMATION IN MOBILE COMMUNICATION SYSTEM

#20
20240163002
2024-05-16

SHARED COMMUNICATION CHANNEL THAT INTERLEAVES 1 PPS SIGNALS AND MESSAGING

#21
20240056375
2024-02-15

Distributed radio transparent clock over a wireless network

#22
20230421282
2023-12-28

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

#23
20230370187
2023-11-16

COMMUNICATION APPARATUS HAVING LEADER AND FOLLOWER ROLES, METHOD FOR CONTROLLING COMMUNICATION APPARATUS, AND STORAGE MEDIUM

#24
20230370185
2023-11-16

Network Devices, Methods and/or Systems for Use in a Media Nework

#25
20230224058
2023-07-13

Digital time processing using rational number filters

#26
20230208543
2023-06-29

SYNCHRONIZING UPDATE OF TIME OF DAY COUNTERS USING TIME STAMP EXCHANGE OVER A CONTROL PLANE

#27
20230171014
2023-06-01

TECHNIQUE FOR DETERMINING RADIO DEVICE RESIDENCE TIME AND SCHEDULING

#28
20230113968
2023-04-13

NETWORK CLOCK MANAGEMENT VIA DATA SERVERS

#29
20230097554
2023-03-30

Distributed radio transparent clock over a wireless network

#30
20230042925
2023-02-09

VLAN-aware clock synchronization

#31
20230029041
2023-01-26

Tolerant PCS for accurate timestamping in disaggregated network elements and synchronization method

#32
20220394647
2022-12-08

Method and device for delivering time-sensitive networking synchronization information in mobile communication system

#33
20220376885
2022-11-24

Information control method and communications device for transmitting time-related information

#34
20220224501
2022-07-14

Time recovery in a time sensitive network

#35
20220224432
2022-07-14

Shared communication channel that interleaves 1 PPS signals and messaging

#36
20220200720
2022-06-23

Communication system and communication method for one-way transmission

#37
20220182164
2022-06-09

Method of remotely monitoring the timing performance of a PTP slave

#38
20220103281
2022-03-31

Transmission device, time transmission system, and delay compensation method

#39
20220103280
2022-03-31

Time stamp replication within a wireless network based on transmission prediction

#40
20220069932
2022-03-03

Robust distribution of IP timing signals

#41
20210367694
2021-11-25

Digital time processing over time sensitive networks

#42
20210294378
2021-09-23

System and method of synchronizing a distributed clock in a packet-compatible network

#43
20210288737
2021-09-16

System and method for mitigating platform motion in a communications system

#44
20210266085
2021-08-26

Distributed precision time protocol transparent clock

#45
20210211214
2021-07-08

Method and apparatus for data plane control of network time sync protocol in multi-host systems

#46
20210194613
2021-06-24

Network management system and method for synchronization of communication network

#47
20210119718
2021-04-22

Symmetric path/link over LAG interface using LLDP for time synchronization between two nodes using PTP

#48
20210091869
2021-03-25

Synchronization information transmission method, synchronization method, network node and storage medium

#49
20210083958
2021-03-18

Distributed radio transparent clock over a wireless network

#50
20210075585
2021-03-11

Measure and improve clock synchronization using combination of transparent and boundary clocks

#51
20210067260
2021-03-04

Systems and methods to improve holdover performance in R-PHY network architectures

#52
20210050988
2021-02-18

VLAN-aware clock synchronization

#53
20210050927
2021-02-18

VLAN-aware clock hierarchy

#54
20210028876
2021-01-28

Robust distribution of ip timing signals

#55
20210021362
2021-01-21

Time synchronization device and time synchronization method

#56
20200412471
2020-12-31

Distributing timing over metro transport networking

#57
20200383073
2020-12-03

Timing method and apparatus

#58
20200382232
2020-12-03

Systems and methods for secure, low bandwidth replicated virtual worlds for shared space computing

#59
20200366397
2020-11-19

High-precision time synchronization method

#60
20200344688
2020-10-29

Method and apparatus for low power channel access

#61
20200322076
2020-10-08

Time stamp replication within a wireless network based on transmission prediction

#62
20200304224
2020-09-24

Method of remotely monitoring the timing performance of a PTP slave

#63
20200259579
2020-08-13

In-vehicle network system

#64
20200252150
2020-08-06

Cross domain synchronization in a communication network

#65
20200244382
2020-07-30

Active network tap supporting time sensitive network (TSN) standards

#66
20200228220
2020-07-16

Wireless communication enhancements for transparent and boundary clocks

#67
20200213022
2020-07-02

Method and device for time-controlled data transmission in a time-sensitive network

#68
20200195362
2020-06-18

Systems and methods to improve holdover performance in R-PHY network architectures

#69
20200195361
2020-06-18

Systems and methods to improve holdover performance in R-PHY network architectures

#70
20200169345
2020-05-28

Methods and devices for synchronization in communication networks

#71
20200162180
2020-05-21

Transmitting residence time information in a network

#72
20200162178
2020-05-21

Method for functionally secure connection identification

#73
20200153527
2020-05-14

Sensing system and time synchronization method

#74
20200136737
2020-04-30

Time synchronization method and device

#75
20200099734
2020-03-26

Lip synchronization of audio and video signals for broadcast transmission

#76
20200036506
2020-01-30

Measure and improve clock synchronization using combination of transparent and boundary clocks

#77
20200007424
2020-01-02

Distributed radio transparent clock over a wireless network

#78
20190379475
2019-12-12

Synchronizing update of time of day counters using time stamp exchange over a control plane

#79
20190379474
2019-12-12

Shared communication channel that interleaves 1 PPS signals and messaging

#80
20190356404
2019-11-21

Relay device

#81
20190356403
2019-11-21

Symmetric path/link over LAG interface using LLDP for time synchronization between two nodes using PTP

#82
20190312717
2019-10-10

Clock transmission method and related device

#83
20190253170
2019-08-15

Accurate synchronization as a service

#84
20190116021
2019-04-18

Measure and improve clock synchronization using combination of transparent and boundary clocks

#85
20190089615
2019-03-21

Indirect packet classification timestamping system and method

#86
20190059066
2019-02-21

Time Synchronization Between Nodes Connected by a Wireless Network

#87
20190014394
2019-01-10

Packet-optical in-band telemetry (POINT) framework

#88
20190014036
2019-01-10

Packet-optical in-band telemetry (POINT) flow tracing and proof-of-transit

#89
20190013954
2019-01-10

ELASTIC TIMESTAMPING

#90
20180337765
2018-11-22

Providing common point of control and configuration in IP-based timing systems

#91
20180331772
2018-11-15

Accurate synchronization as a service

#92
20180287725
2018-10-04

System and method of clock management in a packet data network

#93
20180278352
2018-09-27

Slave device, serial communications system, and communication method for serial communications system

#94
20180270004
2018-09-20

Time stamp replication within a wireless network using error calculation

#95
20180242267
2018-08-23

Method, node, and system for detecting clock synchronization path

#96
20180241538
2018-08-23

Relay apparatus, communication system, and failure detection method

#97
20180227080
2018-08-09

Forward error correction for incomplete blocks

#98
20180227068
2018-08-09

Virtual HDBaseT link

#99
20180226996
2018-08-09

Efficient double parity forward error correction on a communication network

#100
20180226993
2018-08-09

Efficient recovery of lost packets using double parity forward error correction

#101
20180224410
2018-08-09

Method and chromatograph to acquire and display real-time chromatogram using time-stamped messages

#102
20180069801
2018-03-08

Communications network delay variation smoothing method, apparatus, and system

#103
20180052485
2018-02-22

Device, method and system for detecting and resolving time information of different administrative domains

#104
20170359138
2017-12-14

Synchronization with different clock transport protocols

#105
20170359137
2017-12-14

Determination of accuracy of a chain of clocks

#106
20170324497
2017-11-09

Transmitting residence time information in a network

#107
20170302392
2017-10-19

Accurate synchronization as a service

#108
20170288802
2017-10-05

Time synchronization method and apparatus

#109
20170272191
2017-09-21

Method, apparatus and system for remotely configuring PTP service of optical network unit

#110
20170180111
2017-06-22

Distributing clock synchronization information within an optical communications network

#111
20170176953
2017-06-22

Time synchronization device, time synchronization system, and time synchronization method

#112
20170111483
2017-04-20

Checksum friendly timestamp update

#113
20170063481
2017-03-02

METHOD AND DEVICE FOR FORWARDING A CLOCK SYNCHRONIZATION MESSAGE

#114
20170026966
2017-01-26

White space usage for wireless local area network devices

#115
20170019201
2017-01-19

Network devices, methods and/or systems for use in a media network

#116
20160373199
2016-12-22

Methods and nodes for handling delay information in synchronisation packets

#117
20160337730
2016-11-17

PTP transparent clock system upgrade solution

#118
20160285576
2016-09-29

GATEWAY FOR INTERCONNECTION OF HETEROGENEOUS MIDDLEWARE AND TIME SYNCHRONIZATION METHOD THEREOF

#119
20160285575
2016-09-29

Time-stamping data packets in a network tap element

#120
20160285574
2016-09-29

Timing preservation for network communications

#121
20160249310
2016-08-25

Method for locating a frequency deviation in a communication network, and corresponding communication network

#122
20160218855
2016-07-28

Electrical transceiver for synchronous ethernet

#123
20160142480
2016-05-19

Digital data exchange architecture usable in avionic appliations

#124
20160134387
2016-05-12

Communication system, communication system control method, transmission device, and reception device

#125
20160124459
2016-05-05

Time synchronization in a communications network with a plurality of network nodes

#126
20160044648
2016-02-11

White space usage for wireless local area network devices

#127
20150381298
2015-12-31

System and method for direct passive monitoring of packet delay variation and time error in network packet communications

#128
20150365168
2015-12-17

Wireless communication system and transmitter

#129
20150358700
2015-12-10

APPARATUS AND METHOD FOR ENABLING A PASSIVE OPTICAL NETWORK ON SUPPORTING TIME SYNCHRONIZATION

#130
20150326331
2015-11-12

Time stamp replication within a wireless network

#131
20150295838
2015-10-15

Upstream contention measurement reporting and mitigation in DOCSIS remote PHY network environments

#132
20150295746
2015-10-15

Downstream external physical interface transport in DOCSIS 3.1 network environments

#133
20150295684
2015-10-15

Determining and managing upstream profiles in DOCSIS 3.1 network environments

#134
20150295669
2015-10-15

Managing time offset and frequency drift in asynchronous DOCSIS remote PHY network environments

#135
20150249514
2015-09-03

Method for managing and maintaining an accurate distribution of time in a network when a failure occurs

#136
20150229511
2015-08-13

METHOD FOR SWITCHING FROM A ONE-WAY INTO A TWO-WAY SIGNALLING MODE AS A PROTECTION SCHEME FOR THE DISTRIBUTION OF TIME AND FREQUENCY OVER A PACKET SWITCHED NETWORK

#137
20150139663
2015-05-21

Distributing clock synchronization information within an optical communications network

#138
20150131682
2015-05-14

Method to detect suboptimal performance in boundary clocks

#139
20150110162
2015-04-23

Electrical transceiver for synchronous Ethernet

#140
20150093109
2015-04-02

PTP transparent clock system upgrade solution

#141
20150085852
2015-03-26

Communication system and time synchronization method

#142
20150063375
2015-03-05

Communication device with peer-to-peer assist to provide synchronization

#143
20150063362
2015-03-05

Method and switching unit for the reliable switching of synchronization of messages

#144
20150016478
2015-01-15

Network distributed packet-based synchronization

#145
20150006760
2015-01-01

Method for synchronizing local clocks in a distributed computer system

#146
20140362868
2014-12-11

Packet relay device and packet transmission device

#147
20140347652
2014-11-27

Method and device for detecting symmetry of optical fiber

#148
20140341206
2014-11-20

METHOD FOR TIME SYNCHRONIZATION OF NODES IN PEER AWARE COMMUNICATION ENVIRONMENT

#149
20140334582
2014-11-13

Measuring time offsets between devices with independent silicon clocks

#150
20140294133
2014-10-02

Low-cost port synchronization method in multiport Ethernet devices

#151
20140294021
2014-10-02

Method of routing synchronization messages

#152
20140269672
2014-09-18

Distributed two-step clock

#153
20140247839
2014-09-04

Time synchronization in distributed network testing equipment

#154
20140241344
2014-08-28

Direct updating of network delay in synchronization packets

#155
20140226984
2014-08-14

Transparent clock for precision timing distribution

#156
20140198777
2014-07-17

Communication system, communication device, and communication method

#157
20140149526
2014-05-29

Latency monitoring function

#158
20140133480
2014-05-15

Timing synchronization for networks with radio links

#159
20140075235
2014-03-13

Switch for clock synchronization over a switched fabric

#160
20140071982
2014-03-13

Clock synchronization over a switched fabric

#161
20140064297
2014-03-06

Communication device, method and system for queueing packets to be transmitted

#162
20140010244
2014-01-09

Method, apparatus and system for time distribution in a telecommunications network

#163
20130336435
2013-12-19

Communication system and method for synchronizing a plurality of network nodes after a network lock condition occurs

#164
20130322426
2013-12-05

Timing synchronization of wireless networks

#165
20130315265
2013-11-28

System and method for direct passive monitoring of packet delay variation and time error in network packet communications

#166
20130301634
2013-11-14

Timing synchronization for networks with radio links

#167
20130216218
2013-08-22

Method and device for compensating for time path

#168
20130215753
2013-08-22

Non-intrusive method for synchronizing master and slave clocks of a packet-switched network, and associated synchronization devices

#169
20130185374
2013-07-18

Time synchronization system

#170
20130182806
2013-07-18

Method for time synchronization in a communications network

#171
20130148639
2013-06-13

White space usage for wireless local area network devices

#172
20130145041
2013-06-06

Optimizing Timing Packet Transport

#173
20130121705
2013-05-16

Method for distributing time within synchronous ethernet and SONET/SDH domains

#174
20130100832
2013-04-25

System and method for accounting for time that a packet spends in transit through a transparent clock

#175
20130083809
2013-04-04

COMMUNICATIONS SYSTEM FOR TRANSMISSION OF SIGNALS BETWEEN TERMINAL EQUIPMENT CONNECTED TO INTERMEDIATE EQUIPMENT CONNECTED TO AN ETHERNET NETWORK

#176
20130077509
2013-03-28

Relaying apparatus and relaying method

#177
20130010814
2013-01-10

NODE DEVICE, COMMUNICATION SYSTEM AND TIME SYNCHRONIZATION METHOD

#178
20130010813
2013-01-10

Method and apparatus for optimizing packet timing transport

#179
20120320933
2012-12-20

Method and apparatus for transporting time related information in a packet switched network

#180
20120320902
2012-12-20

Method for Time Synchronization in a Communication Network

#181
20120307845
2012-12-06

Method for detecting a synchronization failure of a transparent clock and related protection schemes

#182
20120301147
2012-11-29

Time synchronization method and device in passive optical network and passive optical network

#183
20120300795
2012-11-29

Network distributed packet-based synchronization

#184
20120287918
2012-11-15

Method and system for preserving content timing across femtocell interfaces via timestamp insertion

#185
20120263264
2012-10-18

System and method to overcome wander accumulation to achieve precision clock distribution over large networks

#186
20120254674
2012-10-04

Communication device and time synchronization system

#187
20120224492
2012-09-06

Communication system, communication apparatus and time synchronization method

#188
20120137013
2012-05-31

Arrangement and method for interchanging time markers

#189
20120128011
2012-05-24

METHOD ON A NETWORK ELEMENT FOR THE PURPOSE OF SYNCHRONIZATION OF CLOCKS IN A NETWORK

#190
20120072761
2012-03-22

Implementing transparent clock by correcting time information carried in data using residence time information

#191
20120063473
2012-03-15

High quality timing distribution over DSL without NTR support

#192
20120063472
2012-03-15

METHOD FOR PROCESSING DISTRIBUTED DATA HAVING A CHOSEN TYPE FOR SYNCHRONIZING COMMUNICATION NODES OF A DATA PACKET NETWORK, AND ASSOCIATED DEVICE

#193
20120057865
2012-03-08

Communication system and time synchronization method

#194
20120020376
2012-01-26

Apparatus, method, and system for synchronizing time

#195
20120008646
2012-01-12

Deterministic placement of timestamp packets using a periodic gap

#196
20110305307
2011-12-15

Network node, communication system, and method for transmitting clock packet through tunnel

#197
20110235657
2011-09-29

Multimode Apparatus and Method

#198
20110200051
2011-08-18

Ethernet network synchronization systems and methods

#199
20110158263
2011-06-30

Transit time fixation device

#200
20110138080
2011-06-09

Method for synchronizing local clocks in a distributed computer network

#201
20110113446
2011-05-12

Method and system for remote tuning and clock synchronization

#202
20110110360
2011-05-12

Synchronization of computer system clock using a local gateway

#203
20110090925
2011-04-21

Method for synchronization in networks

#204
20110087803
2011-04-14

Method and system for processing correction field information

#205
20110064177
2011-03-17

Device and method for time synchronization in a communication network

#206
20110064091
2011-03-17

Method and apparatus for monitoring packet networks

#207
20110051754
2011-03-03

Measurement and adjustment of real-time values according to residence time in networking equipment without access to real time

#208
20110002429
2011-01-06

Isochronous local media network for performing discovery

#209
20100290572
2010-11-18

Network synchronization method and apparatus for performing time synchronization between nodes

#210
20100260167
2010-10-14

Time synchronization method in wireless sensor network

#211
20100260165
2010-10-14

Remote I/O system and synchronization method in the same

#212
20100182991
2010-07-22

Method and system for preserving content timing across femtocell interfaces via timestamp insertion

#213
20100111114
2010-05-06

High quality timing distribution over DSL without NTR support

#214
20100098202
2010-04-22

Network connection apparatus and communication system and method applying the same

#215
20100085885
2010-04-08

Communication system, management apparatus, communication apparatus and computer program

#216
20100074278
2010-03-25

Timing distribution within a network element while supporting multiple timing domains

#217
20100074254
2010-03-25

COMMUNICATION SYSTEM, TRANSMITTING APPARATUS, RECEIVING APPARATUS, COMMUNICATION METHOD, AND RECORD MEDIUM

#218
20100054274
2010-03-04

Method for clock synchronization in a communication network, and communication network

#219
20100054244
2010-03-04

Time synchronization method and relay apparatus

#220
20100040369
2010-02-18

Time synchronization method and device in passive optical network and passive optical network

#221
20100040090
2010-02-18

SYNCHRONIZATION METHOD FOR ALLOWING FIXED TIME DELAY AND BRIDGE EMPLOYING THE SAME

#222
20100020829
2010-01-28

METHOD FOR CLOCK RECOVERY USING UPDATED TIMESTAMPS

#223
20090310625
2009-12-17

Method for distributing a common time reference within a distributed architecture

#224
20090213873
2009-08-27

Method and system for synchronous high speed Ethernet GFP mapping over an optical transport network

#225
20090207863
2009-08-20

Method and apparatus of clock transmission between networks

#226
20090086766
2009-04-02

Method for transmitting synchronization messages in a communication network

#227
20080225899
2008-09-18

System and method for the synchronization and distribution of telephony timing information in a cable modem network

#228
20080170594
2008-07-17

SYSTEM AND METHOD FOR REALIZING NETWORK SYNCHRONIZATION BY PACKET NETWORK

#229
20080151864
2008-06-26

Network-Synchronous Data Interface

#230
20080075217
2008-03-27

Method and apparatus for establishing IEEE 1588 clock synchronization across a network element comprising first and second cooperating smart interface converters wrapping the network element

#231
20080069150
2008-03-20

Precision Time Protocol Emulation for Network Supportive of Circuit Emulation Services

#232
20070268938
2007-11-22

Network time protocol precision timestamping service

#233
20070257786
2007-11-08

Sequencing multi-source messages for delivery as partial sets to multiple destinations

#234
20070110023
2007-05-17

Method for clock synchronization of wireless 1394 buses for nodes connected via IEEE 802.11 a/b WLAN

#235
20060256820
2006-11-16

Systems and methods for synchronizing time across networks

#236
20060251084
2006-11-09

Network forwarding device and method that forward timing packets through the device with a constant delay

#237
20060245454
2006-11-02

Time synchronization, deterministic data delivery and redundancy for cascaded nodes on full duplex ethernet networks

#238
20060153182
2006-07-13

Method and system for remote tuning and clock synchronization

#239
20060072694
2006-04-06

Synchronizing clocks in wireless personal area networks

#240
20060002405
2006-01-05

Method of resynchronizing streams benefiting from circuit emulation services, for use in a packet-switched communications network

#241
20050207387
2005-09-22

Method and apparatus for aligning time references when separated by an unreliable data packet network

#242
20050053098
2005-03-10

System and method for the synchronization and distribution of telephony timing information in a cable modem network

#243
20050033862
2005-02-10

Method for synchronization in networks

#244
17001204
2022-01-11

Differential clock recovery using a global reference time

#245
16728465
2021-12-21

Timing synchronization for clock systems with asymmetric path delay

#246
16416954
2020-12-08

Bridges including physical layer devices for indicating transmission times of synchronization frames by modifying previously generated corresponding follow up frames

#247
14169327
2015-05-26

System and method for accurate time sampling in presence of output delay