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Time-division multiplex systems
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Parent Industries
H
ELECTRICITY
H04
Electric communication
H04J
MULTIPLEX COMMUNICATION
Current Industry
H04J3/00
Time-division multiplex systems
Sub Industries
H04J3/02
Details
H04J3/025
Filter arrangements
H04J3/04
Distributors combined with modulators or demodulators
H04J3/042
Distributors with electron or gas discharge tubes
H04J3/045
Distributors with CRT
H04J3/047
Distributors with transistors or integrated circuits
H04J3/06
Synchronising arrangements
H04J3/0602
Systems characterised by the synchronising information used
H04J3/0605
Special codes used as synchronising signal
H04J3/0608
Detectors therefor
H04J3/0611
PN codes
H04J3/0614
the synchronising signal being characterised by the amplitude, duration or polarity
H04J3/0617
the synchronising signal being characterised by the frequency or phase
H04J3/062
Synchronisation of signals having the same nominal but fluctuating bit rates
H04J3/0623
Synchronous multiplexing systems
H04J3/0626
plesiochronous multiplexing systems
H04J3/0629
in a network
H04J3/0632
Synchronisation of packets and cells
H04J3/0635
Clock or time synchronisation in a network
H04J3/0638
Clock or time synchronisation among nodes; Internode synchronisation
H04J3/0641
Change of the master or reference
H04J3/0644
External master-clock
H04J3/0647
Synchronisation among TDM nodes
H04J3/065
using timestamps
H04J3/0652
Synchronisation among time division multiple access [TDMA] nodes
H04J3/0655
using timestamps
H04J3/0658
Clock or time synchronisation among packet nodes
H04J3/0661
using timestamps
H04J3/0664
unidirectional timestamps
H04J3/0667
Bidirectional timestamps
H04J3/067
Details of the timestamp structure
H04J3/0673
using intermediate nodes
H04J3/0676
Mutual
H04J3/0679
by determining clock distribution path in a network
H04J3/0682
by delay compensation
H04J3/0685
Clock or time synchronisation in a node; Intranode synchronisation
H04J3/0688
Change of the master or reference
H04J3/0691
Synchronisation in a TDM node
H04J3/0694
Synchronisation in a TDMA node
H04J3/0697
Synchronisation in a packet node
H04J3/07
using pulse stuffing for systems with different or fluctuating information rates or bit rates
H04J3/073
Bit stuffing
H04J3/076
Bit and byte stuffing
H04J3/08
Intermediate station arrangements
H04J3/085
for ring networks
H04J3/10
Arrangements for reducing cross-talk between channels
H04J3/12
Arrangements providing for calling or supervisory signals
H04J3/125
One of the channel pulses or the synchronisation pulse is also used for transmitting monitoring or supervisory signals
H04J3/14
Monitoring arrangements
H04J3/16
in which the time allocation to individual channels within a transmission cycle is variable
H04J3/1605
Fixed allocated frame structures
H04J3/1611
Synchronous digital hierarchy [SDH] or SONET
H04J3/1617
carrying packets or ATM cells
H04J3/1623
Plesiochronous digital hierarchy [PDH]
H04J3/1629
Format building algorithm
H04J3/1635
Format conversion
H04J3/1641
Hierarchical systems
H04J3/1647
Subrate or multislot multiplexing
H04J3/1652
Optical Transport Network [OTN]
H04J3/1658
carrying packets or ATM cells
H04J3/1664
carrying hybrid payloads
H04J3/167
interaction with SDH/SONET
H04J3/1676
Time-division multiplex with pulse-position, pulse-interval, or pulse-width modulation
H04J3/1682
Allocation of channels according to the instantaneous demands of the users
H04J3/1688
the demands of the users being taken into account after redundancy removal
H04J3/1694
Allocation of channels in TDM/TDMA networks
H04J3/17
in which the transmission channel allotted to a first user may be taken away and re-allotted to a second user if the first user becomes inactive
H04J3/172
Digital speech interpolation
H04J3/175
Speech activity or inactivity detectors
H04J3/177
Freeze-out systems
H04J3/18
using frequency compression and subsequent expansion of the individual signals
H04J3/20
using resonant transfer
H04J3/22
in which the sources have different rates or codes
H04J3/24
in which the allocation is indicated by an address the different channels being transmitted sequentially
H04J3/242
the frames being of variable length
H04J3/245
in which the allocation protocols between more than two stations share the same transmission medium
H04J3/247
ATM or packet multiplexing
H04J3/26
in which the information and the address are simultaneously transmitted
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Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date
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Issue date
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Chongqing University of Posts and Telecommunications
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date
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Chongqing University of Posts and Telecommunications
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
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Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus and communication method
Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent number
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Issue date
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NET INSIGHT AB
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transporting client timing information across a network
Patent number
12,301,340
Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent number
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Issue date
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ZTE Corporation
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time synchronization method, electronic device, and storage medium
Patent number
12,301,338
Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for performing time-synchronization
Patent number
12,301,339
Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time division multiplexing hub
Patent number
12,301,341
Issue date
May 13, 2025
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
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Issue date
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
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Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
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Time-division multiplexing (TDM) scheduling in a network adapter
Patent number
12,294,450
Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent number
12,294,451
Issue date
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Microchip Technology Incorporated
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Boundary clock synchronized loop
Patent number
12,294,469
Issue date
May 6, 2025
Mellanox Technologies, Ltd.
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G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Clock manager monitoring for time synchronized networks
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12,289,161
Issue date
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Intel Corporation
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for delayed cyclic forwarding of messages
Patent number
12,289,159
Issue date
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dSPACE GmbH
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiver for high precision synchronization
Patent number
12,289,386
Issue date
Apr 29, 2025
ROKU, INC.
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H03 - BASIC ELECTRONIC CIRCUITRY
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
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Publication number
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Publication date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE