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H04B2210/077

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

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H04B2210/077using a separate fibre

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Patents Grantslast 30 patents

Information Patent Grant
Optical monitor device
- Patent number 12,199,665
- Issue date Jan 14, 2025
- Nippon Telegraph and Telephone Corporation
- Ryo Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system supporting detection and communication...
- Patent number 8,682,159
- Issue date Mar 25, 2014
- Tyco Electronics Subsea Communications LLC
- Dmitriy I. Kovsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for sensing channel availability in wireless n...
- Patent number 8,537,730
- Issue date Sep 17, 2013
- Thomson Licensing
- Hang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network interface device communication via power line
- Patent number 8,212,375
- Issue date Jul 3, 2012
- Calix, Inc.
- Mark T. Paulsen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic power restoring method and optical communication system
- Patent number 7,792,430
- Issue date Sep 7, 2010
- Fujitsu Limited
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
WDM system
- Patent number 7,689,131
- Issue date Mar 30, 2010
- Fujitsu Limited
- Kimio Uekama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic power restoring method and optical communication system
- Patent number 7,664,392
- Issue date Feb 16, 2010
- Fujitsu Limited
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network interface device communication via power line
- Patent number 7,652,390
- Issue date Jan 26, 2010
- Calix Networks, Inc.
- Clifford Vrla
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical transmission system
- Patent number 7,551,857
- Issue date Jun 23, 2009
- Fujitsu Limited
- Tougo Fukushi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for automatic chromatic dispersion compensation
- Patent number 7,542,685
- Issue date Jun 2, 2009
- FutureWei Technologies, Inc.
- Yu Sheng Bai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic power restoring method and optical communication system
- Patent number 7,437,069
- Issue date Oct 14, 2008
- Fujitsu Limited
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 7,409,155
- Issue date Aug 5, 2008
- Fujitsu Limited
- Tsukasa Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier with pump light source control for Raman amplific...
- Patent number 7,362,499
- Issue date Apr 22, 2008
- Fujitsu Limited
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, optical repeating apparatus, and quali...
- Patent number 7,339,723
- Issue date Mar 4, 2008
- NEC Corporation
- Koji Asahi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gain monitoring method for optical amplifier and apparatus thereof
- Patent number 7,308,208
- Issue date Dec 11, 2007
- Fujitsu Limited
- Manabu Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for identification of channels in an optical network
- Patent number 7,248,798
- Issue date Jul 24, 2007
- Tropic Networks Inc.
- Paul David Obeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplification repeater
- Patent number 7,151,630
- Issue date Dec 19, 2006
- NEC Corporation
- Shohei Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system for compensating for transmission loss
- Patent number 7,146,108
- Issue date Dec 5, 2006
- Samsung Electronics, Co., Ltd.
- Yong-Sub Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for identification of channels in an optical network
- Patent number 7,142,783
- Issue date Nov 28, 2006
- Tropic Networks Inc.
- Paul David Obeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal light interruption detecting method and optical amplifier us...
- Patent number 7,132,646
- Issue date Nov 7, 2006
- Fujitsu Limited
- Yuji Tamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifying and relaying system
- Patent number 7,123,405
- Issue date Oct 17, 2006
- NEC Corporation
- Ryu Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier with pump light source control for Raman amplific...
- Patent number 7,042,636
- Issue date May 9, 2006
- Fujitsu Limited
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for optical fiber communication, and device and system for u...
- Patent number 7,006,769
- Issue date Feb 28, 2006
- Fujitsu Limited
- Yumiko Kawasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system for compensating for transmission loss
- Patent number 6,917,762
- Issue date Jul 12, 2005
- Samsung Electronics Co., Ltd.
- Yong-Sub Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier with pump light source control for Raman amplific...
- Patent number 6,891,661
- Issue date May 10, 2005
- Fujitsu Limited
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifying and relaying system
- Patent number 6,868,204
- Issue date Mar 15, 2005
- NEC Corporation
- Ryu Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifying and relaying system
- Patent number 6,845,192
- Issue date Jan 18, 2005
- NEC Corporation
- Ryu Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for establishing a communication on a standby link in optica...
- Patent number 6,839,515
- Issue date Jan 4, 2005
- Siemens Aktiengesellschaft
- Oliver Jahreis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for reducing crosstalk between a monitoring ch...
- Patent number 6,708,004
- Issue date Mar 16, 2004
- Tyco Telecommunications (US) Inc.
- Glen Mitchell Homsey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman excitation control method and optical transmission system usi...
- Patent number 6,674,567
- Issue date Jan 6, 2004
- Fujitsu Limited
- Toshihiro Ohtani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MONITOR DEVICE
- Publication number 20230318703
- Publication date Oct 5, 2023
- Nippon Telegraph and Telephone Corporation
- Ryo KOYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Apparatus for Sensing Channel Availability in Wireless N...
- Publication number 20100092178
- Publication date Apr 15, 2010
- Hang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Communication System Supporting Detection and Communication...
- Publication number 20100008666
- Publication date Jan 14, 2010
- Tyco Telecommunications (US) Inc.
- Dmitriy I. Kovsh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic power restoring method and optical communication system
- Publication number 20090175616
- Publication date Jul 9, 2009
- FUJITSU LIMITED
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic power restoring method and optical communication system
- Publication number 20080317461
- Publication date Dec 25, 2008
- FUJITSU LIMITED
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK INTERFACE DEVICE COMMUNICATION VIA POWER LINE
- Publication number 20080303679
- Publication date Dec 11, 2008
- Calix Networks, Inc.
- Clifford Vrla
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication apparatus, communication line diagnosis method, progr...
- Publication number 20080008469
- Publication date Jan 10, 2008
- NEC Corporation
- Yoshitaka Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wdm system
- Publication number 20060285846
- Publication date Dec 21, 2006
- Kimio Uekama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network interface device communication via power line
- Publication number 20060192434
- Publication date Aug 31, 2006
- Optical Solutions, Inc.
- Clifford Vrla
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical network terminal with wide input range power converter
- Publication number 20060188266
- Publication date Aug 24, 2006
- Optical Solutions, Inc.
- Cliff Vrla
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power supply housing for network interface device
- Publication number 20060188090
- Publication date Aug 24, 2006
- Optical Solutions, Inc.
- Mark Thomas Paulsen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier with pump light source control for Raman amplific...
- Publication number 20060152796
- Publication date Jul 13, 2006
- FUJITSU LIMITED
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20060013583
- Publication date Jan 19, 2006
- Tougo Fukushi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for automatic chromatic dispersion compensation
- Publication number 20050254825
- Publication date Nov 17, 2005
- FutureWei Technologies, Inc.
- Yu Sheng Bai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal light interruption detecting method and optical amplifier us...
- Publication number 20050218310
- Publication date Oct 6, 2005
- FUJITSU LIMITED
- Yuji Tamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system, optical repeating apparatus, and quali...
- Publication number 20050220387
- Publication date Oct 6, 2005
- NEC Corporation
- Koji Asahi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Gain monitoring method for optical amplifier and apparatus thereof
- Publication number 20050213990
- Publication date Sep 29, 2005
- FUJITSU LIMITED
- Manabu Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system for compensating for transmission loss
- Publication number 20050158056
- Publication date Jul 21, 2005
- Samsung Electronics, Co., Ltd.
- Yong-Sub Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Raman excitation control method and optical transmission system usi...
- Publication number 20050057794
- Publication date Mar 17, 2005
- FUJITSU LIMITED
- Toshihiro Ohtani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20050041968
- Publication date Feb 24, 2005
- FUJITSU LIMITED
- Tsukasa Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier with pump light source control for Raman amplific...
- Publication number 20050024714
- Publication date Feb 3, 2005
- FUJITSU LIMITED
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Raman amplification repeater
- Publication number 20040257640
- Publication date Dec 23, 2004
- NEC Corporation
- Shohei Yamaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic power restoring method and optical communication system
- Publication number 20040213567
- Publication date Oct 28, 2004
- Fujitsu Limited & Nippon Telegraph
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal to noise ratio measurement in a communications system
- Publication number 20040208515
- Publication date Oct 21, 2004
- Edmund Walker
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system and apparatus
- Publication number 20040190905
- Publication date Sep 30, 2004
- Shinya Kano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifying and relaying system
- Publication number 20040161244
- Publication date Aug 19, 2004
- NEC Corporation
- Ryu Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifying and relaying system
- Publication number 20040161191
- Publication date Aug 19, 2004
- NEC Corporation
- Ryu Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier with pump light source control for Raman amplific...
- Publication number 20040080813
- Publication date Apr 29, 2004
- FUJITSU LIMITED
- Etsuko Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for identification of channels in an optical network
- Publication number 20040062548
- Publication date Apr 1, 2004
- Paul David Obeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for identification of channels in an optical network
- Publication number 20040062549
- Publication date Apr 1, 2004
- Paul David Obeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using a separate fibre

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical monitor device

Optical communication system supporting detection and communication...

Method and apparatus for sensing channel availability in wireless n...

Network interface device communication via power line

Automatic power restoring method and optical communication system

WDM system

Automatic power restoring method and optical communication system

Network interface device communication via power line

Optical transmission system

System and method for automatic chromatic dispersion compensation

Automatic power restoring method and optical communication system

Optical transmission system

Optical amplifier with pump light source control for Raman amplific...

Optical transmission system, optical repeating apparatus, and quali...

Gain monitoring method for optical amplifier and apparatus thereof

Method and system for identification of channels in an optical network

Raman amplification repeater

Optical transmission system for compensating for transmission loss

Method and system for identification of channels in an optical network

Signal light interruption detecting method and optical amplifier us...

Optical amplifying and relaying system

Optical amplifier with pump light source control for Raman amplific...

Method for optical fiber communication, and device and system for u...

Optical transmission system for compensating for transmission loss

Optical amplifier with pump light source control for Raman amplific...

Optical amplifying and relaying system

Optical amplifying and relaying system

Method for establishing a communication on a standby link in optica...

Method and apparatus for reducing crosstalk between a monitoring ch...

Raman excitation control method and optical transmission system usi...

Patents Applicationslast 30 patents

OPTICAL MONITOR DEVICE

Method and Apparatus for Sensing Channel Availability in Wireless N...

Optical Communication System Supporting Detection and Communication...

Automatic power restoring method and optical communication system

Automatic power restoring method and optical communication system

NETWORK INTERFACE DEVICE COMMUNICATION VIA POWER LINE

Communication apparatus, communication line diagnosis method, progr...

Wdm system

Network interface device communication via power line

Optical network terminal with wide input range power converter

Power supply housing for network interface device

Optical amplifier with pump light source control for Raman amplific...

Optical transmission system

System and method for automatic chromatic dispersion compensation

Signal light interruption detecting method and optical amplifier us...

Optical transmission system, optical repeating apparatus, and quali...

Gain monitoring method for optical amplifier and apparatus thereof

Optical transmission system for compensating for transmission loss

Raman excitation control method and optical transmission system usi...

Optical transmission system

Optical amplifier with pump light source control for Raman amplific...

Raman amplification repeater

Automatic power restoring method and optical communication system

Signal to noise ratio measurement in a communications system

Optical transmission system and apparatus

Optical amplifying and relaying system

Optical amplifying and relaying system

Optical amplifier with pump light source control for Raman amplific...

Method and system for identification of channels in an optical network

Method and system for identification of channels in an optical network