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Parent Industries
H
ELECTRICITY
H04
Electric communication
H04J
MULTIPLEX COMMUNICATION
Current Industry
H04J14/00
Optical multiplex systems
Sub Industries
H04J14/002
Coherencemultiplexing
H04J14/005
Optical Code Multiplex
H04J14/007
Orthogonal Optical Code Multiplex
H04J14/02
Wavelength-division multiplex systems
H04J14/0201
Add-and-drop multiplexing
H04J14/0202
Arrangements therefor
H04J14/0204
Broadcast and select arrangements
H04J14/0205
Select and combine arrangements
H04J14/0206
Express channels arrangements
H04J14/0208
Interleaved arrangements
H04J14/0209
Multi-stage arrangements
H04J14/021
Reconfigurable arrangements
H04J14/0212
using optical switches or wavelength selective switches [WSS]
H04J14/0213
Groups of channels or wave bands arrangements
H04J14/0215
Architecture aspects
H04J14/0216
Bidirectional architectures
H04J14/0217
Multi-degree architectures
H04J14/0219
Modular or upgradable architectures
H04J14/022
For interconnection of WDM optical networks
H04J14/0221
Power control
H04J14/0223
Conversion to or from optical TDM
H04J14/0224
Irregular wavelength spacing
H04J14/0226
Fixed carrier allocation
H04J14/0227
Operation, administration, maintenance or provisioning [OAMP] of WDM networks
H04J14/0228
Wavelength allocation for communications one-to-all
H04J14/023
in WDM passive optical networks [WDM-PON]
H04J14/0232
for downstream transmission
H04J14/0234
using multiple wavelengths
H04J14/0235
for upstream transmission
H04J14/0236
using multiple wavelengths
H04J14/0238
Wavelength allocation for communications one-to-many
H04J14/0239
in WDM-PON sharing multiple downstream wavelengths for groups of optical network units [ONU]
H04J14/0241
Wavelength allocation for communications one-to-one
H04J14/0242
in WDM-PON
H04J14/0245
for downstream transmission
H04J14/0246
using one wavelength per ONU
H04J14/0247
Sharing one wavelength for at least a group of ONUs
H04J14/0249
for upstream transmission
H04J14/025
using one wavelength per ONU
H04J14/0252
Sharing one wavelength for at least a group of ONUs
H04J14/0254
Optical medium access
H04J14/0256
at the optical channel layer
H04J14/0257
Wavelength assignment algorithms
H04J14/0258
Wavelength identification or labelling
H04J14/026
using WDM channels of different transmission rates
H04J14/0261
at the optical multiplex section layer
H04J14/0263
Multiplex section layer wavelength assignment algorithms
H04J14/0264
Multiplex identification or labelling
H04J14/0265
Multiplex arrangements in bidirectional systems
H04J14/0267
Optical signaling or routing
H04J14/0268
Restoration of optical paths
H04J14/0269
using tables for routing
H04J14/0271
Impairment aware routing
H04J14/0272
Transmission of OAMP information
H04J14/0273
using optical overhead
H04J14/0275
using an optical service channel
H04J14/0276
using pilot tones
H04J14/0278
WDM optical network architectures
H04J14/0279
WDM point-to-point architectures
H04J14/028
WDM bus architectures
H04J14/0282
WDM tree architectures
H04J14/0283
WDM ring architectures
H04J14/0284
WDM mesh architectures
H04J14/0286
WDM hierarchical architectures
H04J14/0287
Protection in WDM systems
H04J14/0289
Optical multiplex section protection
H04J14/029
Dedicated protection at the optical multiplex section (1+1)
H04J14/0291
Shared protection at the optical multiplex section (1:1, n:m)
H04J14/0293
Optical channel protection
H04J14/0294
Dedicated protection at the optical channel (1+1)
H04J14/0295
Shared protection at the optical channel (1:1, n:m)
H04J14/0297
Optical equipment protection
H04J14/0298
with sub-carrier multiplexing [SCM]
H04J14/04
Mode multiplex systems
H04J14/06
Polarisation multiplex systems
H04J14/08
Time-division multiplex systems
H04J14/083
Add and drop multiplexing
H04J14/086
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last 30 patents
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Patent Grant
Optical transmission device, optical transmission system, and optic...
Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Metastructured photonic devices for binary tree multiplexing or dem...
Patent number
11,968,034
Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength domain multiplexing with polarization multiplexing
Patent number
11,968,035
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
Information
Patent Grant
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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 Grant
Optical transceiver
Patent number
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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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Ciena Corporation
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device-enabled access control in a mesh network
Patent number
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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
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Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fiber indexing systems
Patent number
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Issue date
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Information
Patent Grant
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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 Grant
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Patent number
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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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Nippon Telegraph and Telephone Corporation
Taiji Sakamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for transmitting and receiving an electromagnetic...
Patent number
11,956,014
Issue date
Apr 9, 2024
Universita Degli Studi di Milano
Marco Potenza
G02 - OPTICS
Information
Patent Grant
Optical modulator
Patent number
11,949,498
Issue date
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Cisco Technology, Inc.
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-fiber sensing topology for subsea wells
Patent number
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Issue date
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Halliburton Energy Services, Inc.
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E21 - EARTH DRILLING MINING
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Patent Grant
System and methods for coherent PON architecture and burst-mode rec...
Patent number
11,949,497
Issue date
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Cable Television Laboratories, Inc.
Zhensheng Jia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical switch with all-optical memory buffer
Patent number
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Issue date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system and filter penalty reduction method
Patent number
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Issue date
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H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated microwave photon transceiving front-end for phased array...
Patent number
11,936,433
Issue date
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China Electronics Technology Group Corporation No.44 Research Institute
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Probabilistically shaped unamplified optical signaling
Patent number
11,937,029
Issue date
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Juniper Networks, Inc.
Zhen Qu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
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Patent number
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Issue date
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Aleksandar Milojkovic
G06 - COMPUTING CALCULATING COUNTING
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Issue date
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G02 - OPTICS
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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
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Patent number
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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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Nippon Telegraph and Telephone Corporation
Tomoya Hatano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus, optical reception apparatus, optica...
Patent number
11,936,431
Issue date
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NEC Corporation
Yoshiaki Aono
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical modules having an improved optical signal to noise ratio
Patent number
11,929,826
Issue date
Mar 12, 2024
Infinera Corporation
Jeffrey T. Rahn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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MONITIOR WINDOW IN ASE INJECTION SEED
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Shaohua CAI
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H01 - BASIC ELECTRIC ELEMENTS
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Publication date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Publication number
20240121022
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H01 - BASIC ELECTRIC ELEMENTS
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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H01 - BASIC ELECTRIC ELEMENTS
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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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H01 - BASIC ELECTRIC ELEMENTS
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Publication date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
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Publication date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
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Publication date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
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Publication date
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
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G02 - OPTICS
Information
Patent Application
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Publication number
20240089001
Publication date
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The Regents of the University of California
Clint Schow
G02 - OPTICS
Information
Patent Application
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Publication number
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Publication date
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Gary Mak
G02 - OPTICS
Information
Patent Application
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Publication number
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Publication date
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IHP GmbH-Innovations for High Performance Microelectronics/Leibniz-Instit. für
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
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Publication number
20240080123
Publication date
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Marvell Asia Pte Ltd.
Whay Sing LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
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Publication number
20240080124
Publication date
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Lumentum Operations LLC
Joe Qingzhe WEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength Agile Multiplexing
Publication number
20240077679
Publication date
Mar 7, 2024
Apple Inc.
Mark Alan Arbore
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BROADBAND RADIO FRQUENCY SIGNAL OPTICAL FIBER PHASE-STABLE TRANSMIS...
Publication number
20240080100
Publication date
Mar 7, 2024
Zhejiang University
Xiaofeng Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE