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H04B10/5561
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ELECTRICITY
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Electric communication
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TRANSMISSION
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Transmission systems employing electromagnetic waves other than radio-waves
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H04B10/5561
Digital phase modulation
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-point self-calibration for broadband optical sensor interrogator
Patent number
12,143,156
Issue date
Nov 12, 2024
Rockwell Collins, Inc.
Wenlu Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bits-to-symbols mapping for amplitude modulation
Patent number
12,126,483
Issue date
Oct 22, 2024
Nokia Solutions and Networks Oy
Giancarlo Gavioli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Two-dimensional optical modulation and detection technologies for o...
Patent number
12,107,633
Issue date
Oct 1, 2024
Google LLC
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Continuous-variable quantum key distribution (CV-QKD) method and sy...
Patent number
12,088,707
Issue date
Sep 10, 2024
Shanghai Jiao Tong University
Peng Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for transmitting or receiving signal in low-bit quantization...
Patent number
12,003,277
Issue date
Jun 4, 2024
LG Electronics Inc.
Sangrim Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication method and device in optical camera communication system
Patent number
11,979,193
Issue date
May 7, 2024
Kookmin University Industry Academy Cooperation Foundation
Yeong Min Jang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ternary modulation using inter-operable transmitters and receivers
Patent number
11,949,459
Issue date
Apr 2, 2024
Juniper Networks, Inc.
Zhen Qu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Media-based reconfigurable intelligent surface-assisted modulation
Patent number
11,848,709
Issue date
Dec 19, 2023
Huawei Technologies Co., Ltd.
Mostafa Medra
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication using double sideband suppressed carrier modu...
Patent number
11,838,057
Issue date
Dec 5, 2023
The Boeing Company
James D. Franklin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus comprising serially connected electro-absorption modulators
Patent number
11,838,055
Issue date
Dec 5, 2023
Nokia Solutions and Networks Oy
Stefano Grillanda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Probabilistic constellation shaping of multi-dimensional symbols fo...
Patent number
11,831,431
Issue date
Nov 28, 2023
Ciena Corporation
Hamid Ebrahimzad
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Bias voltage adjustment apparatus and IQ optical modulation system
Patent number
11,822,161
Issue date
Nov 21, 2023
Nippon Telegraph and Telephone Corporation
Hiroto Kawakami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple-sensitivity optical phase modulator
Patent number
11,770,190
Issue date
Sep 26, 2023
Rockwell Collins, Inc.
Daniel J. Esman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitter and transmission method
Patent number
11,658,748
Issue date
May 23, 2023
Huawei Technologies Co., Ltd.
Djalal Falih Bendimerad
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coherent receiver with mixed signal processing
Patent number
11,626,926
Issue date
Apr 11, 2023
Google LLC
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical beamforming device using phased array antenna and operating...
Patent number
11,589,140
Issue date
Feb 21, 2023
Electronics and Telecommunications Research Institute
Oh Kee Kwon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for shifting a frequency of an optical signal
Patent number
11,588,557
Issue date
Feb 21, 2023
Nucript LLC
Gregory S. Kanter
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for using square wave digital chirp signal for op...
Patent number
11,579,292
Issue date
Feb 14, 2023
BLACKMORE SENSORS AND ANALYTICS, LLC
Stephen C. Crouch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical wireless transmission system
Patent number
11,509,393
Issue date
Nov 22, 2022
NEC Corporation
Shinichi Hori
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitter and transmission method
Patent number
11,496,221
Issue date
Nov 8, 2022
Huawei Technologies Co., Ltd.
Djalal Falih Bendimerad
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Spatial optical transmitter and spatial optical communication system
Patent number
11,496,222
Issue date
Nov 8, 2022
Mitsubishi Electric Corporation
Keisuke Matsuda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Neural network transfer learning for quality of transmission predic...
Patent number
11,461,635
Issue date
Oct 4, 2022
NEC Corporation
Yue-Kai Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key generation device and method
Patent number
11,444,758
Issue date
Sep 13, 2022
Huawei Technologies Co., Ltd.
Zhengyu Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Optical amplification in an optical network
Patent number
11,438,086
Issue date
Sep 6, 2022
Fujitsu Limited
Youichi Akasaka
G02 - OPTICS
Information
Patent Grant
Electro-optical modulator and method of modulating an optical beam...
Patent number
11,429,007
Issue date
Aug 30, 2022
LEONARDO UK LTD
Ian Flint
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical modulator having screw-fastened protrusion
Patent number
11,397,341
Issue date
Jul 26, 2022
Sumitomo Osaka Cement Co., Ltd.
Norikazu Miyazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Orthogonal chirps for Radar, relative navigation and ranging, Light...
Patent number
11,366,227
Issue date
Jun 21, 2022
BAE Systems Information and Electronic Systems Integration Inc.
Apurva N. Mody
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ternary modulation using inter-operable transmitters and receivers
Patent number
11,362,737
Issue date
Jun 14, 2022
Juniper Networks, Inc.
Zhen Qu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods and apparatus for cavity length tuning for operating point...
Patent number
11,353,774
Issue date
Jun 7, 2022
Raytheon Company
Andrew Kowalevicz
G02 - OPTICS
Information
Patent Grant
Key distribution method and system based on synchronized broadband...
Patent number
11,336,443
Issue date
May 17, 2022
University of Electronic Science and Technology of China
Ning Jiang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL TRANSCEIVER, OPTICAL COMMUNICATION SYSTEM, AND METHOD FOR C...
Publication number
20240413910
Publication date
Dec 12, 2024
NEC Corporation
Atsushi KOZATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BI-DIRECTIONAL OPTICAL COMMUNICATION SYSTEM
Publication number
20240405870
Publication date
Dec 5, 2024
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
Khurram Karim QURESHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LASER PHASE NOISE CONTROL SYSTEMS AND METHODS
Publication number
20240372312
Publication date
Nov 7, 2024
Quantinuum LLC
Bruce Tiemann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HIGH PRECISION PHOTONIC READOUT AND PERFORMING HIGH PRECISION PHOTO...
Publication number
20240333394
Publication date
Oct 3, 2024
Government of the United States of America, as Represented by the Secretary o...
Kevin O'Connell Douglass
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION APPARATUS, SYSTEM, METHOD, AND NON-TRANSITORY...
Publication number
20240250770
Publication date
Jul 25, 2024
NEC Corporation
Masaki SATO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION USING DOUBLE SIDEBAND SUPPRESSED CARRIER DEMO...
Publication number
20240063915
Publication date
Feb 22, 2024
The Boeing Company
James D. Franklin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Probabilistic Constellation Shaping of Multi-Dimensional Symbols fo...
Publication number
20240048270
Publication date
Feb 8, 2024
CIENA CORPORATION
Hamid EBRAHIMZAD
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Two-Dimensional Optical Modulation And Detection Technologies For O...
Publication number
20240039636
Publication date
Feb 1, 2024
Google LLC
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SIGNAL STATE ESTIMATION APPARATUS, OPTICAL SIGNAL STATE EST...
Publication number
20240039640
Publication date
Feb 1, 2024
NEC Corporation
Jun KODAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR QUANTUM TRANSMITTER
Publication number
20230261754
Publication date
Aug 17, 2023
National University of Singapore
Chao WANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION USING DOUBLE SIDEBAND SUPPRESSED CARRIER MODU...
Publication number
20230198624
Publication date
Jun 22, 2023
The Boeing Company
James D. Franklin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Coherent Receiver With Mixed Signal Processing
Publication number
20230094424
Publication date
Mar 30, 2023
Google LLC
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTER AND TRANSMISSION METHOD
Publication number
20230065511
Publication date
Mar 2, 2023
Huawei Technologies Co., Ltd
Djalal Falih BENDIMERAD
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BIAS VOLTAGE ADJUSTMENT APPARATUS AND IQ OPTICAL MODULATION SYSTEM
Publication number
20230004027
Publication date
Jan 5, 2023
Nippon Telegraph and Telephone Corporation
Hiroto KAWAKAMI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATION METHOD AND DEVICE IN OPTICAL CAMERA COMMUNICATION SYSTEM
Publication number
20220337323
Publication date
Oct 20, 2022
Kookmin University Industry Academy Cooperation Foundation
Yeong Min JANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR SHIFTING A FREQUENCY OF AN OPTICAL SIGNAL
Publication number
20220286210
Publication date
Sep 8, 2022
NuCrypt, LLC
Gregory S. KANTER
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TERNARY MODULATION USING INTER-OPERABLE TRANSMITTERS AND RECEIVERS
Publication number
20220278756
Publication date
Sep 1, 2022
Juniper Networks, Inc.
Zhen Qu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD FOR TRANSMITTING OR RECEIVING SIGNAL IN LOW-BIT QUANTIZATION...
Publication number
20220278755
Publication date
Sep 1, 2022
LG ELECTRONICS INC.
Sangrim LEE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MULTI-POINT SELF-CALIBRATION FOR BROADBAND OPTICAL SENSOR INTERROGATOR
Publication number
20220247498
Publication date
Aug 4, 2022
Wenlu Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS COMPRISING SERIALLY CONNECTED ELECTRO-ABSORPTION MODULATORS
Publication number
20220239378
Publication date
Jul 28, 2022
Nokia Solutions and Networks Oy
Stefano Grillanda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Coherent Receiver With Mixed Signal Processing
Publication number
20220166518
Publication date
May 26, 2022
Google LLC
Xiang Zhou
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wide-Area Sensing of Amplitude Modulated Signals
Publication number
20220166516
Publication date
May 26, 2022
Massachusetts Institute of Technology
Kenneth SCHULTZ
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR CREATING IN A TRANSMITTER A STREAM OF SYMBO...
Publication number
20220131617
Publication date
Apr 28, 2022
ViaSat, Inc.
MURAT ARABACI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Probabilistic Constellation Shaping of Multi-Dimensional Symbols fo...
Publication number
20220069919
Publication date
Mar 3, 2022
Hamid EBRAHIMZAD
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
An Electro-Optical Modulator and Method of Modulating an Optical Be...
Publication number
20220066278
Publication date
Mar 3, 2022
Leonardo UK Ltd
Ian FLINT
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MEDIA-BASED RECONFIGURABLE INTELLIGENT SURFACE-ASSISTED MODULATION
Publication number
20220052764
Publication date
Feb 17, 2022
Huawei Technologies Co., Ltd
MOSTAFA MEDRA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
KEY DISTRIBUTION METHOD AND SYSTEM BASED ON SYNCHRONIZED BROADBAND...
Publication number
20220045857
Publication date
Feb 10, 2022
University of Electronic Science and Technology of China
Ning JIANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL BEAMFORMING DEVICE USING PHASED ARRAY ANTENNA AND OPERATING...
Publication number
20210385561
Publication date
Dec 9, 2021
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
Oh Kee KWON
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HARD-TO-INTERCEPT MULTIPLE COHERENT TRANSMITTER COMMUNICATIONS
Publication number
20210384981
Publication date
Dec 9, 2021
Raytheon Company
Benjamin P. Dolgin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTER AND TRANSMISSION METHOD
Publication number
20210384984
Publication date
Dec 9, 2021
Huawei Technologies Co., Ltd
Djalal Falih BENDIMERAD
H04 - ELECTRIC COMMUNICATION TECHNIQUE