treating each wavelength or wavelength band separately

Industry

CPC
H04B2210/258

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Parent Industries

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

Current Industry

H04B2210/258treating each wavelength or wavelength band separately

Industries

Patents Grantslast 30 patents

Information Patent Grant
OTDR method targeting identified event
- Patent number 11,181,440
- Issue date Nov 23, 2021
- Exfo Inc.
- Stephane Perron
- G01 - MEASURING TESTING
Information Patent Grant
Optical wavelength multiplexing transmission apparatus and optical...
- Patent number 10,541,749
- Issue date Jan 21, 2020
- Fujitsu Limited
- Shigeru Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical power and chromatic dispersion equalization system
- Patent number 10,225,016
- Issue date Mar 5, 2019
- Amazon Technologies, Inc.
- Salman Khaleghi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 8,731,404
- Issue date May 20, 2014
- Furukawa Electric Co., Ltd.
- Masayuki Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Propagation apparatus and dispersion value setting method
- Patent number 8,412,045
- Issue date Apr 2, 2013
- Fujitsu Limited
- Yuki Murakami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Repeater and repeating method
- Patent number 8,351,797
- Issue date Jan 8, 2013
- Fujitsu Limited
- Hisao Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 8,340,521
- Issue date Dec 25, 2012
- Furukawa Electric Co., Ltd.
- Masayuki Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplex (WDM) optical demultiplexer
- Patent number 8,326,155
- Issue date Dec 4, 2012
- Ericsson AB
- Aldo Perasso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reduction in optical communications networks
- Patent number 8,204,379
- Issue date Jun 19, 2012
- Ericsson AB
- Harry Richard Claringburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication method and apparatus
- Patent number 8,045,862
- Issue date Oct 25, 2011
- Alcatel Lucent
- Xiang Liu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensating apparatus
- Patent number 7,936,993
- Issue date May 3, 2011
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reduction in optical communications networks
- Patent number 7,860,396
- Issue date Dec 28, 2010
- Ericsson AB
- Harry Richard Claringburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network and amplifier node therefore
- Patent number 7,831,148
- Issue date Nov 9, 2010
- Ericsson AB
- Steven Ian Pegg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device
- Patent number 7,831,149
- Issue date Nov 9, 2010
- Fujitsu Limited
- Takeshi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent gated receiver
- Patent number 7,809,267
- Issue date Oct 5, 2010
- Telcordia Technologies, Inc.
- Ronald Charles Menendez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical repeater device and optical transmission system
- Patent number 7,783,201
- Issue date Aug 24, 2010
- The Furukawa Electric Co., Ltd.
- Masayuki Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensating apparatus
- Patent number 7,751,706
- Issue date Jul 6, 2010
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-band hybrid SOA-Raman amplifier for CWDM
- Patent number 7,746,547
- Issue date Jun 29, 2010
- AT&T Corp.
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-band hybrid SOA-Raman amplifier for CWDM
- Patent number 7,738,164
- Issue date Jun 15, 2010
- AT&T Corp.
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Repeater and repeating method
- Patent number 7,680,419
- Issue date Mar 16, 2010
- Fujitsu Limited
- Hisao Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 7,650,074
- Issue date Jan 19, 2010
- Fujitsu Limited
- Yasushi Sugaya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-band hybrid SOA-raman amplifier for CWDM
- Patent number 7,626,757
- Issue date Dec 1, 2009
- AT&T Corp.
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus, continuity testing method therein,...
- Patent number 7,627,244
- Issue date Dec 1, 2009
- Fujitsu Limited
- Takehiro Fujita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing device, an optical leakage prevent...
- Patent number 7,619,813
- Issue date Nov 17, 2009
- Fujitsu Limited
- Taizo Maeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for avoiding transmission-channel disruptions
- Patent number 7,606,272
- Issue date Oct 20, 2009
- Hewlett-Packard Development Company, L.P.
- Raymond G. Beausoleil
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiband amplifier based on discrete SOA-Raman amplifiers
- Patent number 7,567,377
- Issue date Jul 28, 2009
- AT&T Corp.
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Multi-channel all-optical signal processor
- Patent number 7,505,690
- Issue date Mar 17, 2009
- Michael Vasilyev
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulation apparatus
- Patent number 7,474,460
- Issue date Jan 6, 2009
- Nippon Telegraph and Telephone Corporation
- Masamichi Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensating apparatus
- Patent number 7,466,920
- Issue date Dec 16, 2008
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OTDR METHOD TARGETING IDENTIFIED EVENT
- Publication number 20200116591
- Publication date Apr 16, 2020
- EXFO INC.
- Stephane PERRON
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL WAVELENGTH MULTIPLEXING TRANSMISSION APPARATUS AND OPTICAL...
- Publication number 20190312641
- Publication date Oct 10, 2019
- Fujitsu Limited
- Shigeru ISHII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM
- Publication number 20130108272
- Publication date May 2, 2013
- FURUKAWA ELECTRIC CO., LTD.
- Masayuki Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH MULTIPLEXING OPTICAL COMMUNICATION DEVICE AND OPTICAL DI...
- Publication number 20120099867
- Publication date Apr 26, 2012
- Atsuya Hotta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISPERSION SLOPE COMPENSATION METHOD AND APPARATUS
- Publication number 20110318010
- Publication date Dec 29, 2011
- Huawei Technologies Co., Ltd
- Fei Bai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NOISE REDUCTION IN OPTICAL COMMUNICATIONS NETWORKS
- Publication number 20110064412
- Publication date Mar 17, 2011
- Ericsson AB
- Harry Richard Claringburn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system, optical transmission equipment, and ch...
- Publication number 20110058820
- Publication date Mar 10, 2011
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM
- Publication number 20100196010
- Publication date Aug 5, 2010
- FURUKAWA ELECTRIC CO., LTD.
- Masayuki Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROPAGATION APPARATUS AND DISPERSION VALUE SETTING METHOD
- Publication number 20100158537
- Publication date Jun 24, 2010
- FUJITSU LIMITED
- Yuki MURAKAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM
- Publication number 20100150562
- Publication date Jun 17, 2010
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Hyun Jae LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Repeater and repeating method
- Publication number 20100135663
- Publication date Jun 3, 2010
- FUJITSU LIMITED
- Hisao Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion compensating apparatus
- Publication number 20100135664
- Publication date Jun 3, 2010
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-band hybrid SOA-Raman amplifier for CWDM
- Publication number 20090251768
- Publication date Oct 8, 2009
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH DIVISION MULTIPLEX (WDM) OPTICAL DEMULTIPLEXER
- Publication number 20090116840
- Publication date May 7, 2009
- Marconi Communications SpA
- Aldo Perasso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion compensating apparatus
- Publication number 20090080894
- Publication date Mar 26, 2009
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-band hybrid SOA-RAMAN amplifier for CWDM
- Publication number 20090080893
- Publication date Mar 26, 2009
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL REPEATER DEVICE AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20090080890
- Publication date Mar 26, 2009
- The Furukawa Electric Co, Ltd.
- Masayuki Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-band hybrid SOA-raman amplifier for CWDM
- Publication number 20080112044
- Publication date May 15, 2008
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission device
- Publication number 20080095537
- Publication date Apr 24, 2008
- FUJITSU LIMITED
- Takeshi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Upgradeable optical hub and hub upgrade
- Publication number 20070280688
- Publication date Dec 6, 2007
- Matisse Networks
- Xiao A. Shen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Coherent gated receiver
- Publication number 20070280692
- Publication date Dec 6, 2007
- Ronald Charles Menendez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical network and amplifier node therefore
- Publication number 20070274723
- Publication date Nov 29, 2007
- Steven Ian Pegg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-band hybrid SOA-raman amplifier for CWDM
- Publication number 20070230960
- Publication date Oct 4, 2007
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Repeater and repeating method
- Publication number 20070201878
- Publication date Aug 30, 2007
- FUJITSU LIMITED
- Hisao Nakashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical network element for compensating dispersion-related propaga...
- Publication number 20070189775
- Publication date Aug 16, 2007
- ALCATEL LUCENT
- Gabriel Charlet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multiband amplifier based on discrete SOA-Raman amplifiers
- Publication number 20070183023
- Publication date Aug 9, 2007
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and systems for avoiding transmission-channel disruptions
- Publication number 20070177634
- Publication date Aug 2, 2007
- Raymond G. Beausoleil
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical modulation apparatus
- Publication number 20070127113
- Publication date Jun 7, 2007
- Nippon Telegraph and Telephone Corporation
- Masamichi Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-band hybrid SOA-raman amplifier for CWDM
- Publication number 20070086079
- Publication date Apr 19, 2007
- Patrick P. Iannone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for controlling level of each signal included...
- Publication number 20070047960
- Publication date Mar 1, 2007
- FUJITSU LIMITED
- Takeshi Noma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

treating each wavelength or wavelength band separately

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

OTDR method targeting identified event

Optical wavelength multiplexing transmission apparatus and optical...

Optical power and chromatic dispersion equalization system

Optical transmission system

Propagation apparatus and dispersion value setting method

Repeater and repeating method

Optical transmission system

Wavelength division multiplex (WDM) optical demultiplexer

Noise reduction in optical communications networks

Optical communication method and apparatus

Chromatic dispersion compensating apparatus

Noise reduction in optical communications networks

Optical network and amplifier node therefore

Optical transmission device

Coherent gated receiver

Optical repeater device and optical transmission system

Chromatic dispersion compensating apparatus

Multi-band hybrid SOA-Raman amplifier for CWDM

Multi-band hybrid SOA-Raman amplifier for CWDM

Repeater and repeating method

Optical transmission apparatus

Multi-band hybrid SOA-raman amplifier for CWDM

Optical transmission apparatus, continuity testing method therein,...

Wavelength division multiplexing device, an optical leakage prevent...

Methods and systems for avoiding transmission-channel disruptions

Multiband amplifier based on discrete SOA-Raman amplifiers

Optical transmission system

Multi-channel all-optical signal processor

Optical modulation apparatus

Chromatic dispersion compensating apparatus

Patents Applicationslast 30 patents

OTDR METHOD TARGETING IDENTIFIED EVENT

OPTICAL WAVELENGTH MULTIPLEXING TRANSMISSION APPARATUS AND OPTICAL...

OPTICAL TRANSMISSION SYSTEM

WAVELENGTH MULTIPLEXING OPTICAL COMMUNICATION DEVICE AND OPTICAL DI...

DISPERSION SLOPE COMPENSATION METHOD AND APPARATUS

NOISE REDUCTION IN OPTICAL COMMUNICATIONS NETWORKS

Optical transmission system, optical transmission equipment, and ch...

OPTICAL TRANSMISSION SYSTEM

PROPAGATION APPARATUS AND DISPERSION VALUE SETTING METHOD

OPTICAL TRANSMISSION SYSTEM

Repeater and repeating method

Chromatic dispersion compensating apparatus

Multi-band hybrid SOA-Raman amplifier for CWDM

WAVELENGTH DIVISION MULTIPLEX (WDM) OPTICAL DEMULTIPLEXER

Chromatic dispersion compensating apparatus

Multi-band hybrid SOA-RAMAN amplifier for CWDM

OPTICAL REPEATER DEVICE AND OPTICAL TRANSMISSION SYSTEM

Multi-band hybrid SOA-raman amplifier for CWDM

Optical transmission device

Upgradeable optical hub and hub upgrade

Coherent gated receiver

Optical network and amplifier node therefore

Multi-band hybrid SOA-raman amplifier for CWDM

Repeater and repeating method

Optical network element for compensating dispersion-related propaga...

Multiband amplifier based on discrete SOA-Raman amplifiers

Methods and systems for avoiding transmission-channel disruptions

Optical modulation apparatus

Multi-band hybrid SOA-raman amplifier for CWDM

Method and apparatus for controlling level of each signal included...