using a variable optical attenuator

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CPC
H04B10/674

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Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B10/00Transmission systems employing electromagnetic waves other than radio-waves

Current Industry

H04B10/674using a variable optical attenuator

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for detecting a location of the optical element...
- Patent number 12,088,337
- Issue date Sep 10, 2024
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical time-domain reflectometer (OTDR)-based high reflective even...
- Patent number 12,088,336
- Issue date Sep 10, 2024
- Viavi Solutions Inc.
- Benjamin Cuenot
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light-receiving device
- Patent number 12,050,333
- Issue date Jul 30, 2024
- NEC Corporation
- Koya Takata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
In-service characterization of nonlinear interference on a per-span...
- Patent number 11,811,459
- Issue date Nov 7, 2023
- Ciena Corporation
- Yinqing Pei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for maintaining equipment of a passive optical...
- Patent number 11,742,944
- Issue date Aug 29, 2023
- Frontier Communications Holdings, LLC
- John Valdez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Loss-based wavelength meter
- Patent number 11,683,092
- Issue date Jun 20, 2023
- Ciena Corporation
- Antoine Bois
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical time-domain reflectometer (OTDR)-based high reflective even...
- Patent number 11,646,789
- Issue date May 9, 2023
- Viavi Solutions Inc.
- Benjamin Cuenot
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for maintaining equipment of a passive optical...
- Patent number 11,575,432
- Issue date Feb 7, 2023
- Frontier Communications Holdings, LLC
- John Valdez
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission system, transmission device, and transmission method
- Patent number 11,228,375
- Issue date Jan 18, 2022
- Fujitsu Limited
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Redundancy improvement in semiconductor-based optical communication...
- Patent number 11,211,775
- Issue date Dec 28, 2021
- SubCom, LLC
- Dmitri G. Foursa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical receiver module, optical receiving method, optical line ter...
- Patent number 11,095,375
- Issue date Aug 17, 2021
- Sumitomo Electric Industries, Ltd.
- Naruto Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical sparse phased array receiver
- Patent number 10,382,140
- Issue date Aug 13, 2019
- California Institute of Technology
- Seyed Mohammadreza Fatemi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver sensitivity system
- Patent number 10,236,995
- Issue date Mar 19, 2019
- Northrop Grumman Systems Corporation
- John Featherston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable passive network noise filter for noise reduction
- Patent number 10,097,222
- Issue date Oct 9, 2018
- Tektronix, Inc.
- John J. Pickerd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable optical attenuator and optical module
- Patent number 9,910,300
- Issue date Mar 6, 2018
- Fujitsu Limited
- Yuya Osumi
- G02 - OPTICS
Information Patent Grant
Optical receiver and optical reception method
- Patent number 9,762,333
- Issue date Sep 12, 2017
- NEC Corporation
- Hirokazu Komatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and method for controlling optical p...
- Patent number 9,722,704
- Issue date Aug 1, 2017
- Fujitsu Limited
- Taku Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver sensitivity system
- Patent number 9,537,580
- Issue date Jan 3, 2017
- Northrop Grumman Systems Corporation
- John Featherston
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical reception apparatus, and control apparatus and control meth...
- Patent number 9,455,789
- Issue date Sep 27, 2016
- Fujitsu Optical Components Limited
- Hidekazu Takeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for stabilizing power to an optical multimode...
- Patent number 8,897,657
- Issue date Nov 25, 2014
- The Johns Hopkins University
- Joseph E. Sluz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver for the WDM system and the method for controlling...
- Patent number 8,290,376
- Issue date Oct 16, 2012
- Sumitomo Electric Industries, Ltd
- Hirotaka Oomori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver for the WDM system and method to control the same
- Patent number 8,285,155
- Issue date Oct 9, 2012
- Sumitomo Electric Industries, Ltd
- Kengo Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Subscriber terminal of adjusting intensity of optical signal by con...
- Patent number 8,280,252
- Issue date Oct 2, 2012
- Oki Electric Industry Co. Ltd.
- Masahiro Sarashina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal receiving apparatus and optical signal attenuation c...
- Patent number 8,190,036
- Issue date May 29, 2012
- Fujitsu Limited
- Koshi Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Attenuation systems and methods for use with an optical detector in...
- Patent number 7,831,154
- Issue date Nov 9, 2010
- James J. Alwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver apparatus and method
- Patent number 7,477,852
- Issue date Jan 13, 2009
- Alcatel-Lucent USA Inc.
- Anjali Agarwal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Attenuation and calibration systems and methods for use with a lase...
- Patent number 7,447,445
- Issue date Nov 4, 2008
- Kiribati Wireless Ventures, LLC
- James J. Alwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise suppressing method and apparatus thereof
- Patent number 7,308,204
- Issue date Dec 11, 2007
- KDDI Corporation
- Michiaki Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Attenuation and calibration systems and methods for use with a lase...
- Patent number 7,224,908
- Issue date May 29, 2007
- Kiribati Wireless Ventures, LLC
- James J. Alwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Use of mode coupled optical fiber in communications systems
- Patent number 6,476,951
- Issue date Nov 5, 2002
- Fitel U.S.A. Corp.
- Whitney R. White
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR DETECTING A LOCATION OF THE OPTICAL ELEMENT...
- Publication number 20240120995
- Publication date Apr 11, 2024
- Huawei Technologies Co., Ltd
- ZHIPING JIANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSCEIVER
- Publication number 20240089011
- Publication date Mar 14, 2024
- CIG Photonics Japan Limited
- Osamu KAGAYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR)-BASED HIGH REFLECTIVE EVEN...
- Publication number 20230283367
- Publication date Sep 7, 2023
- VIAVI SOLUTIONS INC.
- Benjamin CUENOT
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR)-BASED HIGH REFLECTIVE EVEN...
- Publication number 20230073872
- Publication date Mar 9, 2023
- VIAVI Solutions Inc.
- Benjamin CUENOT
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT-RECEIVING DEVICE
- Publication number 20220244444
- Publication date Aug 4, 2022
- NEC Corporation
- Koya TAKATA
- G02 - OPTICS
Information Patent Application
REDUNDANCY IMPROVEMENT IN SEMICONDUCTOR-BASED OPTICAL COMMUNICATION...
- Publication number 20210050714
- Publication date Feb 18, 2021
- SubCom, LLC
- Dmitri G. Foursa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL RECEIVER MODULE, OPTICAL RECEIVING METHOD, OPTICAL LINE TER...
- Publication number 20200213011
- Publication date Jul 2, 2020
- Sumitomo Electric Industries, Ltd.
- Naruto TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
- Publication number 20200106531
- Publication date Apr 2, 2020
- Fujitsu Limited
- Yoshito KACHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Variable Passive Network Noise Filter For Noise Reduction
- Publication number 20180123626
- Publication date May 3, 2018
- Tektronix, Inc.
- John J. Pickerd
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER SENSITIVITY SYSTEM
- Publication number 20170048003
- Publication date Feb 16, 2017
- Northrop Grumman Systems Corporation
- JOHN FEATHERSTON
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VARIABLE OPTICAL ATTENUATOR AND OPTICAL MODULE
- Publication number 20160259185
- Publication date Sep 8, 2016
- Fujitsu Limited
- Yuya OSUMI
- G02 - OPTICS
Information Patent Application
OPTICAL RECEIVER AND OPTICAL RECEPTION METHOD
- Publication number 20160182157
- Publication date Jun 23, 2016
- NEC Corporation
- Hirokazu KOMATSU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEPTION APPARATUS, AND CONTROL APPARATUS AND CONTROL METH...
- Publication number 20150229411
- Publication date Aug 13, 2015
- FUJITSU OPTICAL COMPONENTS LIMITED
- Hidekazu TAKEDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER FOR THE WDM SYSTEM AND THE METHOD FOR CONTROLLING...
- Publication number 20110243576
- Publication date Oct 6, 2011
- Sumitomo Electric Industries, Ltd.
- Hirotaka Oomori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and Method for Stabilizing Power to an Optical Multimode...
- Publication number 20110206386
- Publication date Aug 25, 2011
- Joseph E. Sluz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Subscriber terminal of adjusting intensity of optical signal by con...
- Publication number 20110008046
- Publication date Jan 13, 2011
- Oki Electric Industry Co., Ltd.
- Masahiro Sarashina
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER FOR THE WDM SYSTEM AND METHOD TO CONTROL THE SAME
- Publication number 20100142958
- Publication date Jun 10, 2010
- Sumitomo Electric Industries, Ltd.
- Kengo MATSUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal receiving apparatus and optical signal attenuation c...
- Publication number 20090297169
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Koshi Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ATTENUATION SYSTEMS AND METHODS FOR USE WITH AN OPTICAL DETECTOR IN...
- Publication number 20090041477
- Publication date Feb 12, 2009
- James J. Alwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical detector
- Publication number 20070131847
- Publication date Jun 14, 2007
- Jianguo Yao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Attenuation and calibration systems and methods for use with a lase...
- Publication number 20060291866
- Publication date Dec 28, 2006
- Kiribati Wireless Ventures, LLC
- James J. Alwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiver apparatus and method
- Publication number 20060171720
- Publication date Aug 3, 2006
- Anjali Agarwal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Noise suppressing method and apparatus thereof
- Publication number 20040234276
- Publication date Nov 25, 2004
- Michiaki Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiver
- Publication number 20040062557
- Publication date Apr 1, 2004
- OpNext Japan, Inc.
- Shigehiro Takashima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Attenuation and calibration systems and methods for use with a lase...
- Publication number 20030066947
- Publication date Apr 10, 2003
- Jim Alwan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

using a variable optical attenuator

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Systems and methods for detecting a location of the optical element...

Optical time-domain reflectometer (OTDR)-based high reflective even...

Light-receiving device

In-service characterization of nonlinear interference on a per-span...

Systems and methods for maintaining equipment of a passive optical...

Loss-based wavelength meter

Optical time-domain reflectometer (OTDR)-based high reflective even...

Systems and methods for maintaining equipment of a passive optical...

Transmission system, transmission device, and transmission method

Redundancy improvement in semiconductor-based optical communication...

Optical receiver module, optical receiving method, optical line ter...

Optical sparse phased array receiver

Optical receiver sensitivity system

Variable passive network noise filter for noise reduction

Variable optical attenuator and optical module

Optical receiver and optical reception method

Optical transmission apparatus and method for controlling optical p...

Optical receiver sensitivity system

Optical reception apparatus, and control apparatus and control meth...

Apparatus and method for stabilizing power to an optical multimode...

Optical receiver for the WDM system and the method for controlling...

Optical receiver for the WDM system and method to control the same

Subscriber terminal of adjusting intensity of optical signal by con...

Optical signal receiving apparatus and optical signal attenuation c...

Attenuation systems and methods for use with an optical detector in...

Optical receiver apparatus and method

Attenuation and calibration systems and methods for use with a lase...

Noise suppressing method and apparatus thereof

Attenuation and calibration systems and methods for use with a lase...

Use of mode coupled optical fiber in communications systems

Patents Applicationslast 30 patents

SYSTEMS AND METHODS FOR DETECTING A LOCATION OF THE OPTICAL ELEMENT...

OPTICAL TRANSCEIVER

OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR)-BASED HIGH REFLECTIVE EVEN...

OPTICAL TIME-DOMAIN REFLECTOMETER (OTDR)-BASED HIGH REFLECTIVE EVEN...

LIGHT-RECEIVING DEVICE

REDUNDANCY IMPROVEMENT IN SEMICONDUCTOR-BASED OPTICAL COMMUNICATION...

OPTICAL RECEIVER MODULE, OPTICAL RECEIVING METHOD, OPTICAL LINE TER...

TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD

Variable Passive Network Noise Filter For Noise Reduction

OPTICAL RECEIVER SENSITIVITY SYSTEM

VARIABLE OPTICAL ATTENUATOR AND OPTICAL MODULE

OPTICAL RECEIVER AND OPTICAL RECEPTION METHOD

OPTICAL RECEPTION APPARATUS, AND CONTROL APPARATUS AND CONTROL METH...

OPTICAL RECEIVER FOR THE WDM SYSTEM AND THE METHOD FOR CONTROLLING...

Apparatus and Method for Stabilizing Power to an Optical Multimode...

Subscriber terminal of adjusting intensity of optical signal by con...

OPTICAL RECEIVER FOR THE WDM SYSTEM AND METHOD TO CONTROL THE SAME

Optical signal receiving apparatus and optical signal attenuation c...

ATTENUATION SYSTEMS AND METHODS FOR USE WITH AN OPTICAL DETECTOR IN...

Optical detector

Attenuation and calibration systems and methods for use with a lase...

Optical receiver apparatus and method

Noise suppressing method and apparatus thereof

Optical receiver

Attenuation and calibration systems and methods for use with a lase...