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HELECTRICITY H04Electric communication H04BTRANSMISSION H04B2210/00Indexing scheme relating to optical transmission systems

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Patents Grantslast 30 patents

Information Patent Grant
Optical remodulator that remodulates modulated optical signal and o...
- Patent number 9,882,642
- Issue date Jan 30, 2018
- Fujitsu Limited
- Takeshi Hoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength path switching method, optical communication system, opt...
- Patent number 9,185,474
- Issue date Nov 10, 2015
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing system, method and device for its...
- Patent number 8,886,050
- Issue date Nov 11, 2014
- ZTE Corporation
- Likun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for providing and/or controlling an optical signal
- Patent number 8,462,428
- Issue date Jun 11, 2013
- Nokia Siemens Networks Oy
- Erich Gottwald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensation system and method
- Patent number 8,175,464
- Issue date May 8, 2012
- Pivotal Decisions LLC
- Michael H. Eiselt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 7,725,032
- Issue date May 25, 2010
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensation method in optical communication system havi...
- Patent number 7,542,677
- Issue date Jun 2, 2009
- Fujitsu Limited
- Motoyoshi Sekiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional communication system
- Patent number 7,512,343
- Issue date Mar 31, 2009
- CIENA Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber amplifier and dispersion compensating fiber module fo...
- Patent number 7,466,477
- Issue date Dec 16, 2008
- Fujitsu Limited
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber amplifier and dispersion compensating fiber module fo...
- Patent number 7,391,562
- Issue date Jun 24, 2008
- Fujitsu Limited
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensation method in optical communication system havi...
- Patent number 7,274,878
- Issue date Sep 25, 2007
- Fujitsu Limited
- Motoyoshi Sekiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system using in-line amplifiers
- Patent number 7,263,296
- Issue date Aug 28, 2007
- Fujitsu Limited
- Akira Miyauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple order Raman amplifier
- Patent number 7,177,073
- Issue date Feb 13, 2007
- Alcatel
- Gabriel Charlet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplification method and optical amplifier for wavelength division...
- Patent number 7,119,950
- Issue date Oct 10, 2006
- Fujitsu Limited
- Chihiro Ohshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system using in-line amplifiers
- Patent number 7,116,918
- Issue date Oct 3, 2006
- Fujitsu Limited
- Akira Miyauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light amplifier and light amplifying method
- Patent number 7,046,431
- Issue date May 16, 2006
- Fujitsu Limited
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for multi-channel mitigation of PMD/PDL/PDG
- Patent number 7,010,180
- Issue date Mar 7, 2006
- Lucent Technologies Inc.
- Adriaan J. de Lind van Wijngaarden
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Double pass optical amplifier with unidirectional compensation of c...
- Patent number 6,992,817
- Issue date Jan 31, 2006
- Fundaçäo CPqD-Centro de Pesquisa e Desenvolvimento em Telecomunicaçöes
- João Batista Rosolem
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber amplifier and dispersion compensating fiber module fo...
- Patent number 6,975,447
- Issue date Dec 13, 2005
- Fujitsu Limited
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensation system and method
- Patent number 6,965,738
- Issue date Nov 15, 2005
- Michael H. Eiselt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical amplifier for amplifying a wavelength division multiplexed...
- Patent number 6,943,940
- Issue date Sep 13, 2005
- Fujitsu Limited
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 6,927,897
- Issue date Aug 9, 2005
- Hitachi, Ltd.
- Hiroyuki Nakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier for amplifying a wavelength division multiplexed...
- Patent number 6,891,663
- Issue date May 10, 2005
- Fujitsu Limited
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wide-band erbium-doped fiber amplifier and wavelength division mult...
- Patent number 6,867,912
- Issue date Mar 15, 2005
- Samsung Electronics Co., Ltd.
- Seong-Taek Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical transmission system employi...
- Patent number 6,836,587
- Issue date Dec 28, 2004
- Hitachi, Ltd.
- Junya Kosaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for implementing power equalization of dense wavelength divi...
- Patent number 6,833,948
- Issue date Dec 21, 2004
- Huawei Technologies Co., LTD.
- Juan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier, optical transmission equipment, optical transmis...
- Patent number 6,829,408
- Issue date Dec 7, 2004
- Hitachi, Ltd.
- Junya Kosaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cascadable optical amplifier arrangement
- Patent number 6,795,236
- Issue date Sep 21, 2004
- Siemens Aktiengesellschaft
- Peter Krummrich
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier for amplifying a wavelength division multiplexed...
- Patent number 6,768,578
- Issue date Jul 27, 2004
- Fujitsu Limited
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber amplifier and dispersion compensating fiber module fo...
- Patent number 6,747,788
- Issue date Jun 8, 2004
- Fujitsu Limited
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RF STEGANOGRAPHY BASED ON PHOTONICS
- Publication number 20240080101
- Publication date Mar 7, 2024
- University of Georgia Research Foundation, Inc.
- Mable P. Fok
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH PATH SWITCHING METHOD, OPTICAL COMMUNICATION SYSTEM, OPT...
- Publication number 20140241719
- Publication date Aug 28, 2014
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CHROMATIC DISPERSION COMPENSATION SYSTEM AND METHOD
- Publication number 20120197769
- Publication date Aug 2, 2012
- PIVOTAL DECISIONS, LLC
- Michael H. Eiselt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND DEVICE FOR PROVIDING AND/OR CONTROLLING AN OPTICAL SIGNAL
- Publication number 20110051228
- Publication date Mar 3, 2011
- Nokia Siemens Networks Oy
- Erich Gottwald
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH DIVISION MULTIPLEXING SYSTEM, METHOD AND DEVICE FOR ITS...
- Publication number 20090202248
- Publication date Aug 13, 2009
- Likun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CHROMATIC DISPERSION COMPENSATION SYSTEM AND METHOD
- Publication number 20080226302
- Publication date Sep 18, 2008
- PIVOTAL DECISIONS LLC
- Michael H. Eiselt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Dispersion compensation method in optical communication system havi...
- Publication number 20080002979
- Publication date Jan 3, 2008
- FUJITSU LIMITED
- Motoyoshi Sekiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical fiber amplifier and dispersion compensating fiber module fo...
- Publication number 20070171517
- Publication date Jul 26, 2007
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion compensation system and method
- Publication number 20070122158
- Publication date May 31, 2007
- Celion Networks, Inc.
- Michael H. Eiselt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
All-optical 2R regenerator for multi-channel communication
- Publication number 20070065159
- Publication date Mar 22, 2007
- Dmitri Vladislavovich Kuksenkov
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier and optical fiber
- Publication number 20060291036
- Publication date Dec 28, 2006
- FUJITSU LIMITED
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system using in-line amplifiers
- Publication number 20060285856
- Publication date Dec 21, 2006
- FUJITSU LIMITED
- Akira Miyauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus
- Publication number 20060222367
- Publication date Oct 5, 2006
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion compensation system and method
- Publication number 20060127099
- Publication date Jun 15, 2006
- Celion Networks, Inc.
- Michael H. Eiselt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Amplification method and optical amplifier for wavelength division...
- Publication number 20060023298
- Publication date Feb 2, 2006
- FUJITSU LIMITED
- Chihiro Ohshima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bidirectional communication system
- Publication number 20060023754
- Publication date Feb 2, 2006
- CIENA Corporation
- Balakrishnan Sridhar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical fiber amplifier and dispersion compensating fiber module fo...
- Publication number 20060018008
- Publication date Jan 26, 2006
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiple order raman amplifier
- Publication number 20050105166
- Publication date May 19, 2005
- ALCATEL
- Gabriel Charlet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for multi-channel mitigation of PMD/PDL/PDG
- Publication number 20050036727
- Publication date Feb 17, 2005
- Adriaan J. de Lind van Wijngaarden
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Amplifier
- Publication number 20040218256
- Publication date Nov 4, 2004
- Hiroyuki Nakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical fiber amplifier and dispersion compensating fiber module fo...
- Publication number 20040207911
- Publication date Oct 21, 2004
- Susumu Kinoshita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion compensation system and method
- Publication number 20040208607
- Publication date Oct 21, 2004
- Michael H. Eiselt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Double pass optical amplifier with unidirectional compensation of c...
- Publication number 20040196544
- Publication date Oct 7, 2004
- Joao Batista Rosolem
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier, optical transmission equipment, optical transmis...
- Publication number 20040086246
- Publication date May 6, 2004
- Junya Kosaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wide-band erbium-doped fiber amplifier and wavelength division mult...
- Publication number 20040075891
- Publication date Apr 22, 2004
- Seong-Taek Hwang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Implementation method for equalizing a power of densed wavelength d...
- Publication number 20040047552
- Publication date Mar 11, 2004
- Juan Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission device and optical transmission system employi...
- Publication number 20040042713
- Publication date Mar 4, 2004
- Junya Kosaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Interleaving bi-directional optical add/drop multiplexer
- Publication number 20030215239
- Publication date Nov 20, 2003
- Young-Hoon Joo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifying method
- Publication number 20030197920
- Publication date Oct 23, 2003
- Hiroyuki Nakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dispersion compensation method in optical communication system havi...
- Publication number 20030198473
- Publication date Oct 23, 2003
- FUJITSU LIMITED
- Motoyoshi Sekiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

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Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical remodulator that remodulates modulated optical signal and o...

Wavelength path switching method, optical communication system, opt...

Wavelength division multiplexing system, method and device for its...

Method and device for providing and/or controlling an optical signal

Chromatic dispersion compensation system and method

Optical transmission apparatus

Dispersion compensation method in optical communication system havi...

Bidirectional communication system

Optical fiber amplifier and dispersion compensating fiber module fo...

Optical fiber amplifier and dispersion compensating fiber module fo...

Dispersion compensation method in optical communication system havi...

Optical transmission system using in-line amplifiers

Multiple order Raman amplifier

Amplification method and optical amplifier for wavelength division...

Optical transmission system using in-line amplifiers

Light amplifier and light amplifying method

System and method for multi-channel mitigation of PMD/PDL/PDG

Double pass optical amplifier with unidirectional compensation of c...

Optical fiber amplifier and dispersion compensating fiber module fo...

Chromatic dispersion compensation system and method

Optical amplifier for amplifying a wavelength division multiplexed...

Optical amplifier

Optical amplifier for amplifying a wavelength division multiplexed...

Wide-band erbium-doped fiber amplifier and wavelength division mult...

Optical transmission device and optical transmission system employi...

Method for implementing power equalization of dense wavelength divi...

Optical amplifier, optical transmission equipment, optical transmis...

Cascadable optical amplifier arrangement

Optical amplifier for amplifying a wavelength division multiplexed...

Optical fiber amplifier and dispersion compensating fiber module fo...

Patents Applicationslast 30 patents

RF STEGANOGRAPHY BASED ON PHOTONICS

WAVELENGTH PATH SWITCHING METHOD, OPTICAL COMMUNICATION SYSTEM, OPT...

CHROMATIC DISPERSION COMPENSATION SYSTEM AND METHOD

METHOD AND DEVICE FOR PROVIDING AND/OR CONTROLLING AN OPTICAL SIGNAL

WAVELENGTH DIVISION MULTIPLEXING SYSTEM, METHOD AND DEVICE FOR ITS...

CHROMATIC DISPERSION COMPENSATION SYSTEM AND METHOD

Dispersion compensation method in optical communication system havi...

Optical fiber amplifier and dispersion compensating fiber module fo...

Chromatic dispersion compensation system and method

All-optical 2R regenerator for multi-channel communication

Optical amplifier and optical fiber

Optical transmission system using in-line amplifiers

Optical transmission apparatus

Chromatic dispersion compensation system and method

Amplification method and optical amplifier for wavelength division...

Bidirectional communication system

Optical fiber amplifier and dispersion compensating fiber module fo...

Multiple order raman amplifier

System and method for multi-channel mitigation of PMD/PDL/PDG

Optical Amplifier

Optical fiber amplifier and dispersion compensating fiber module fo...

Chromatic dispersion compensation system and method

Double pass optical amplifier with unidirectional compensation of c...

Optical amplifier, optical transmission equipment, optical transmis...

Wide-band erbium-doped fiber amplifier and wavelength division mult...

Implementation method for equalizing a power of densed wavelength d...

Optical transmission device and optical transmission system employi...

Interleaving bi-directional optical add/drop multiplexer

Optical amplifying method

Dispersion compensation method in optical communication system havi...