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H04B10/50597
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ELECTRICITY
H04
Electric communication
H04B
TRANSMISSION
H04B10/00
Transmission systems employing electromagnetic waves other than radio-waves
Current Industry
H04B10/50597
to control the phase of the modulating signal
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Patents Grants
last 30 patents
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Patent Grant
Laser signal transmission system
Patent number
12,068,787
Issue date
Aug 20, 2024
SHENZHEN ZHIYONG ELECTRONICS CO., LTD.
Xiaoming Fan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Self-referenced method and apparatus for in-operation measurement o...
Patent number
11,483,069
Issue date
Oct 25, 2022
Infinera Corporation
Amir Rashidinejad
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transmission on phase components of an optical carrier by dire...
Patent number
11,139,894
Issue date
Oct 5, 2021
Nokia Solutions and Networks Oy
Po Dong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
PAM-4 transmitter precoder for 1+0.5D PR channels
Patent number
10,720,994
Issue date
Jul 21, 2020
International Business Machines Corporation
Alessandro Cevrero
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Compensation of transmitter or receiver defects in an optical commu...
Patent number
10,574,352
Issue date
Feb 25, 2020
Ciena Corporation
Kim B. Roberts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
PAM-4 transmitter precoder for 1+0.5D PR channels
Patent number
10,205,525
Issue date
Feb 12, 2019
International Business Machines Corporation
Alessandro Cevrero
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Optical dispersion compensation in the electrical domain in an opti...
Patent number
10,164,707
Issue date
Dec 25, 2018
Ciena Corporation
Kim B. Roberts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Outphasing power management circuit for radio frequency (RF) beamfo...
Patent number
10,123,286
Issue date
Nov 6, 2018
Qorvo US, Inc.
Nadim Khlat
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical dispersion compensation in the electrical domain in an opti...
Patent number
9,853,725
Issue date
Dec 26, 2017
Ciena Corporation
Kim B. Roberts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical dispersion compensation in the electrical domain in an opti...
Patent number
9,559,778
Issue date
Jan 31, 2017
Ciena Corporation
John McNicol
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitter and modulated optical signal generating method
Patent number
9,130,680
Issue date
Sep 8, 2015
Fujitsu Limited
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for compensating optical signal impairments
Patent number
8,923,707
Issue date
Dec 30, 2014
Infinera Corporation
Gilad Goldfarb
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ditherless optical modulator control
Patent number
8,184,991
Issue date
May 22, 2012
Joseph P. Farina
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Toothbrush
Patent number
8,099,819
Issue date
Jan 24, 2012
GlaxoSmithKline Consumer Healthcare GmbH & Co. KG
Hans Kraemer
A46 - BRUSHWARE
Information
Patent Grant
Externally modulated laser optical transmission system with feed fo...
Patent number
8,023,830
Issue date
Sep 20, 2011
Emcore Corporation
John Iannelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control apparatus and control method for optical modulator
Patent number
7,945,173
Issue date
May 17, 2011
Fujitsu Limited
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for low chirp transmitter for optical fiber co...
Patent number
7,936,997
Issue date
May 3, 2011
Innotrans Communications, Inc.
Mani Ramachandran
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system with directly modulated laser and feed...
Patent number
7,881,621
Issue date
Feb 1, 2011
Emcore Corporation
John Iannelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system, method, and optical transmitting station
Patent number
7,853,151
Issue date
Dec 14, 2010
Fujitsu Limited
Futoshi Izumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitting apparatus and optical communication system
Patent number
7,848,659
Issue date
Dec 7, 2010
Fujitsu Limited
Akira Miura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Externally modulated laser optical transmission system with feed fo...
Patent number
7,792,432
Issue date
Sep 7, 2010
Emcore Corporation
John Iannelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control apparatus and control method for optical modulator
Patent number
7,734,192
Issue date
Jun 8, 2010
Fujitsu Limited
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control apparatus and control method for optical modulator
Patent number
7,418,211
Issue date
Aug 26, 2008
Fujitsu Limited
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electrical domain compensation of optical dispersion in an optical...
Patent number
7,382,984
Issue date
Jun 3, 2008
Nortel Networks Limited
John McNicol
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Location specific optical monitoring
Patent number
7,376,358
Issue date
May 20, 2008
Nortel Networks Limited
Kim Roberts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitter with SBS suppression
Patent number
7,349,637
Issue date
Mar 25, 2008
Optium Corporation
Thomas R. Frederiksen, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for laser line-width compensation
Patent number
7,200,339
Issue date
Apr 3, 2007
Nortel Networks Limited
Kim Roberts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmitter with SBS suppression
Patent number
7,146,110
Issue date
Dec 5, 2006
Optium Corporation
Thomas R. Frederiksen, Jr.
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical signal generating circuit and optical transmission line
Patent number
7,116,915
Issue date
Oct 3, 2006
Oki Electric Industry Co., Ltd.
Hitoshi Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-wavelength generating method and apparatus based on flattenin...
Patent number
7,068,412
Issue date
Jun 27, 2006
Nippon Telegraph & Telephone Corp.
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL SIGNAL SENDING APPARATUS
Publication number
20240235689
Publication date
Jul 11, 2024
HUAWEI TECHNOLOGIES CO., LTD.
Chengcheng Gui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR OPTICAL TIMING TRANSFER
Publication number
20230318710
Publication date
Oct 5, 2023
INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION NATIONAL INSTITUTES OF NATURA...
Hitoshi KIUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR OPTICAL COMMUNICATION
Publication number
20230121555
Publication date
Apr 20, 2023
Luminous Computing, Inc.
Thomas W. BAEHR-JONES
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SELF-REFERENCED METHOD AND APPARATUS FOR IN-OPERATION MEASUREMENT O...
Publication number
20220021450
Publication date
Jan 20, 2022
Infinera Corp.
Amir Rashidinejad
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA TRANSMISSION ON PHASE COMPONENTS OF AN OPTICAL CARRIER BY DIRE...
Publication number
20210119707
Publication date
Apr 22, 2021
Nokia Solutions and Networks Oy
Po Dong
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PAM-4 TRANSMITTER PRECODER FOR 1+0.5D PR CHANNELS
Publication number
20190173586
Publication date
Jun 6, 2019
International Business Machines Corporation
Alessandro Cevrero
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Compensation of Transmitter or Receiver Defects in an Optical Commu...
Publication number
20190109639
Publication date
Apr 11, 2019
Kim B. ROBERTS
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Dispersion Compensation in the Electrical Domain in an Opti...
Publication number
20180076887
Publication date
Mar 15, 2018
CIENA CORPORATION
Kim B. ROBERTS
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTER AND MODULATED OPTICAL SIGNAL GENERATING METHOD
Publication number
20140212136
Publication date
Jul 31, 2014
Fujitsu Limited
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS FOR COMPENSATING OPTICAL SIGNAL IMPAIRMENTS
Publication number
20110305464
Publication date
Dec 15, 2011
Infinera Corporation
Gilad Goldfarb
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
EXTERNALLY MODULATED LASER OPTICAL TRANSMISSION SYSTEM WITH FEED FO...
Publication number
20110020005
Publication date
Jan 27, 2011
EMCORE CORPORATION
John Iannelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Control apparatus and control method for optical modulator
Publication number
20100254716
Publication date
Oct 7, 2010
FUJITSU LIMITED
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DITHERLESS OPTICAL MODULATOR CONTROL
Publication number
20090232517
Publication date
Sep 17, 2009
Joseph P. FARINA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Control apparatus and control method for optical modulator
Publication number
20090034988
Publication date
Feb 5, 2009
FUJITSU LIMITED
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for low chirp transmitter for optical fiber co...
Publication number
20080273874
Publication date
Nov 6, 2008
Mani Ramachandran
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTER WITH SBS SUPPRESSION
Publication number
20080075469
Publication date
Mar 27, 2008
OPTIUM CORPORATION
Thomas R. Frederiksen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Directly modulated or externally modulated laser optical transmissi...
Publication number
20070206961
Publication date
Sep 6, 2007
Emcore Corporation
John Iannelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Externally modulated laser optical transmission system with feed fo...
Publication number
20070206962
Publication date
Sep 6, 2007
Emcore Corporation
John Iannelli
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmitting apparatus and optical communication system
Publication number
20070065161
Publication date
Mar 22, 2007
FUJITSU LIMITED
Akira Miura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Toothbrush
Publication number
20070006410
Publication date
Jan 11, 2007
Hans Kraemer
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal generating circuit and optical transmission line
Publication number
20060285853
Publication date
Dec 21, 2006
Hitoshi Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical communication system, transmission deterioration compensati...
Publication number
20060222371
Publication date
Oct 5, 2006
FUJITSU LIMITED
Futoshi Izumi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical dispersion compesnation in the electrical domain in an opti...
Publication number
20060078336
Publication date
Apr 13, 2006
Nortel Networks Limited
John McNicol
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal generating circuit and optical transmission line
Publication number
20050265726
Publication date
Dec 1, 2005
Hitoshi Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Location specific optical monitoring
Publication number
20050008364
Publication date
Jan 13, 2005
Nortel Networks Limited
Kim Roberts
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-wavelength generating method and apparatus based on flattenin...
Publication number
20050008373
Publication date
Jan 13, 2005
Nippon Telegraph and Telephone Corp.
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Control apparatus and control method for optical modulator
Publication number
20040190910
Publication date
Sep 30, 2004
FUJITSU LIMITED
Yuichi Akiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal generating circuit and optical transmission line
Publication number
20040161247
Publication date
Aug 19, 2004
Hitoshi Murai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMITTER WITH SBS SUPPRESSION
Publication number
20040156643
Publication date
Aug 12, 2004
Thomas R. Frederiksen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-wavelength generating method and apparatus based on flattenin...
Publication number
20040100682
Publication date
May 27, 2004
Nippon Telegraph and Telephone Corp.
Masamichi Fujiwara
H04 - ELECTRIC COMMUNICATION TECHNIQUE