using a pilot tone

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CPC
H04B2210/075

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

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H04B2210/075using a pilot tone

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Patents Grantslast 30 patents

Information Patent Grant
Enhanced subranging electro-optic modulator (SEOM) for high dynamic...
- Patent number 12,136,949
- Issue date Nov 5, 2024
- Serford Holdings, LLC
- Bahram Jalali
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength-multiplexed subranging electro-optic modulator (SEOM) fo...
- Patent number 11,916,595
- Issue date Feb 27, 2024
- The Jalali Family Trust Dated December 30, 2006.
- Bahram Jalali
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical module, transmission device, and operating point control me...
- Patent number 11,387,910
- Issue date Jul 12, 2022
- Fujitsu Optical Components Limited
- Shuichi Yasuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods and systems for multi-level beacon tone modulation of an op...
- Patent number 10,848,248
- Issue date Nov 24, 2020
- James Richard Rapka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Asynchronous bias control for an optical modulator using a multiple...
- Patent number 10,623,105
- Issue date Apr 14, 2020
- Infinera Corporation
- Rene Marcel Schmogrow
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring polarization dependent loss, re...
- Patent number 10,601,504
- Issue date Mar 24, 2020
- Fujitsu Limited
- Huihui Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical channel monitoring using expanded-spectrum pilot tone
- Patent number 10,469,163
- Issue date Nov 5, 2019
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing apparatus, signal transmitting apparatus and rece...
- Patent number 10,439,852
- Issue date Oct 8, 2019
- Fujitsu Limited
- Liang Dou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing a pilot tone
- Patent number 10,432,303
- Issue date Oct 1, 2019
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for multi-level beacon tone modulation of an op...
- Patent number 10,367,585
- Issue date Jul 30, 2019
- LGS Innovations LLC
- James Richard Rapka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Detection apparatus and method for noise intensity and coherent opt...
- Patent number 10,305,591
- Issue date May 28, 2019
- Fujitsu Limited
- Ying Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Generating a pilot tone for an optical telecommunications system
- Patent number 10,298,323
- Issue date May 21, 2019
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Monitoring apparatus for optical signal to noise ratio, signal tran...
- Patent number 10,263,698
- Issue date Apr 16, 2019
- Fujitsu Limited
- Liang Dou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Generating a pilot tone for an optical telecommunications system
- Patent number 10,263,699
- Issue date Apr 16, 2019
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical channel monitoring using expanded-spectrum pilot tone
- Patent number 10,148,351
- Issue date Dec 4, 2018
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter and method of controlling optical modulator
- Patent number 10,122,507
- Issue date Nov 6, 2018
- Fujitsu Optical Components Limited
- Hiroshi Nishimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for controlling modulation depth of pilot signal, transmitte...
- Patent number 9,941,969
- Issue date Apr 10, 2018
- Huawei Technologies Co., Ltd.
- Juan Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Probe generator, optical transmission apparatus and probe generatin...
- Patent number 9,831,944
- Issue date Nov 28, 2017
- Fujitsu Limited
- Futoshi Izumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for creating a control channel in an optical tran...
- Patent number 9,806,843
- Issue date Oct 31, 2017
- ADVA Optical Networking SE
- Michael Eiselt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for superchannel subcarrier monitoring using am...
- Patent number 9,712,249
- Issue date Jul 18, 2017
- Fujitsu Limited
- Inwoong Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for removing a pilot tone from an optical signal
- Patent number 9,705,628
- Issue date Jul 11, 2017
- Huawei Technologies Co., Ltd.
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for superchannel subcarrier monitoring using fr...
- Patent number 9,698,912
- Issue date Jul 4, 2017
- Fujitsu Limited
- Olga Vassilieva
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, apparatus, node device and network system for detecting opt...
- Patent number 9,621,263
- Issue date Apr 11, 2017
- Huawei Technologies Co., Ltd.
- Yijia Wei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power control of optical signals having different polarizations
- Patent number 9,614,639
- Issue date Apr 4, 2017
- Infinera Corporation
- Alan C. Nilsson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal detection circuit and optical transmission equipment
- Patent number 9,503,211
- Issue date Nov 22, 2016
- Fujitsu Limited
- Kazuo Hironishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency synchronization for an OFDM optical receiver
- Patent number 9,455,862
- Issue date Sep 27, 2016
- Orange
- Julie Karaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tunable coherent optical receiver and method
- Patent number 9,444,553
- Issue date Sep 13, 2016
- Lumentum Operations LLC
- Kun-Jing Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for selecting wavelength by wavelength tunable...
- Patent number 9,420,357
- Issue date Aug 16, 2016
- Electronics and Telecommunications Research Institute
- Jong Sool Jeong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal detection circuit and optical transmission equipment
- Patent number 9,281,913
- Issue date Mar 8, 2016
- Fujitsu Limited
- Kazuo Hironishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Modulator with marking of polarization
- Patent number 9,219,548
- Issue date Dec 22, 2015
- Alcatel Lucent
- Massimiliano Salsi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SIGNAL SENDING METHOD, PILOT RECEIVER, AND TRANSMITTER
- Publication number 20240322912
- Publication date Sep 26, 2024
- Huawei Technologies Co., Ltd
- Lin Gan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR MULTI-LEVEL BEACON TONE MODULATION OF AN OP...
- Publication number 20190288776
- Publication date Sep 19, 2019
- LGS Innovations LLC
- James Richard RAPKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Channel Monitoring Using Expanded-Spectrum Pilot Tone
- Publication number 20180302153
- Publication date Oct 18, 2018
- Huawei Technologies Co., Ltd
- Zhiping Jiang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD
- Publication number 20170170907
- Publication date Jun 15, 2017
- NEC Corporation
- Katsuhiro YUTANI
- G02 - OPTICS
Information Patent Application
Method for Controlling Modulation Depth of Pilot Signal, Transmitte...
- Publication number 20170026132
- Publication date Jan 26, 2017
- Huawei Technologies Co., Ltd
- Juan Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Channel Monitor With High Resolution Capability
- Publication number 20140376909
- Publication date Dec 25, 2014
- FINISAR CORPORATION
- Steven James Frisken
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL DETECTION CIRCUIT AND OPTICAL TRANSMISSION EQUIPMENT
- Publication number 20140219662
- Publication date Aug 7, 2014
- Fujitsu Limited
- Kazuo HIRONISHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL LINE TERMINAL FOR MONITORING AND CONTROLLING UPSTREAM/DOWNS...
- Publication number 20140161445
- Publication date Jun 12, 2014
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Jong Sool JEONG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TUNABLE COHERENT OPTICAL RECEIVER AND METHOD
- Publication number 20140010543
- Publication date Jan 9, 2014
- Kun-Jing Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Pilot-Based Time Domain Phase Noise Mitigatio...
- Publication number 20130259174
- Publication date Oct 3, 2013
- NEC Laboratories America, Inc.
- Dayou Qian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
- Publication number 20120318965
- Publication date Dec 20, 2012
- NEC Corporation
- Akihiro TOSAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MODULATOR WITH MARKING OF POLARIZATION
- Publication number 20120189307
- Publication date Jul 26, 2012
- Massimiliano Salsi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, MEASURING APPARATUS, TRANSMITTING APPARATUS,...
- Publication number 20120128351
- Publication date May 24, 2012
- FUJITSU LIMITED
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR CANCELLATION OF CHROMATIC DISPERSION COMBINED...
- Publication number 20120063768
- Publication date Mar 15, 2012
- Inwoong Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Identifying a Characteristic of a Mesh Network
- Publication number 20120051739
- Publication date Mar 1, 2012
- Marc Stephens
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POWER CONTROL OF OPTICAL SIGNALS HAVING DIFFERENT POLARIZATIONS
- Publication number 20110076020
- Publication date Mar 31, 2011
- Infinera Corporation
- Alan C. Nilsson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR DISTRIBUTED MEASUREMENT AND COMPENSATION OF C...
- Publication number 20100283996
- Publication date Nov 11, 2010
- Ping Wai WAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for lightpath monitoring in an optical routing network
- Publication number 20090196603
- Publication date Aug 6, 2009
- Xiang Zhou
- 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
Pilot Tones for Optical Signal Wavelength Identification and Power...
- Publication number 20090154922
- Publication date Jun 18, 2009
- Martin Piotte
- 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
NOISE TONE AVOIDANCE IN OPTICAL NETWORKS
- Publication number 20070280700
- Publication date Dec 6, 2007
- Derrick Remedios
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND APPARATUS FOR OPTICAL NETWORK MANAGEMENT USING PILOT TONES
- Publication number 20070104483
- Publication date May 10, 2007
- John C. Carrick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and apparatus for sensing multiple wavelengths simultaneous...
- Publication number 20060239697
- Publication date Oct 26, 2006
- Tellabs Operations, Inc.
- John C. Carrick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Methods and apparatus for optical network management using pilot tones
- Publication number 20060110158
- Publication date May 25, 2006
- John C. Carrick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for maintaining a pre-determined ratio of a pi...
- Publication number 20050286890
- Publication date Dec 29, 2005
- John C. Carrick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cancellation of transmitted signal crosstalk in optical receivers o...
- Publication number 20050089326
- Publication date Apr 28, 2005
- Zvi Regev
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of pilot-tone signal transmission on an optical fiber and a...
- Publication number 20050031342
- Publication date Feb 10, 2005
- Yongjun Wu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pilot tones for optical signal wavelength identification and power...
- Publication number 20040218920
- Publication date Nov 4, 2004
- Martin Piotte
- 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

using a pilot tone

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Enhanced subranging electro-optic modulator (SEOM) for high dynamic...

Wavelength-multiplexed subranging electro-optic modulator (SEOM) fo...

Optical module, transmission device, and operating point control me...

Methods and systems for multi-level beacon tone modulation of an op...

Asynchronous bias control for an optical modulator using a multiple...

Method and apparatus for monitoring polarization dependent loss, re...

Optical channel monitoring using expanded-spectrum pilot tone

Signal processing apparatus, signal transmitting apparatus and rece...

Method and apparatus for providing a pilot tone

Methods and systems for multi-level beacon tone modulation of an op...

Detection apparatus and method for noise intensity and coherent opt...

Generating a pilot tone for an optical telecommunications system

Monitoring apparatus for optical signal to noise ratio, signal tran...

Generating a pilot tone for an optical telecommunications system

Optical channel monitoring using expanded-spectrum pilot tone

Optical transmitter and method of controlling optical modulator

Method for controlling modulation depth of pilot signal, transmitte...

Probe generator, optical transmission apparatus and probe generatin...

Method and device for creating a control channel in an optical tran...

Methods and systems for superchannel subcarrier monitoring using am...

Method and system for removing a pilot tone from an optical signal

Methods and systems for superchannel subcarrier monitoring using fr...

Method, apparatus, node device and network system for detecting opt...

Power control of optical signals having different polarizations

Signal detection circuit and optical transmission equipment

Frequency synchronization for an OFDM optical receiver

Tunable coherent optical receiver and method

Method and apparatus for selecting wavelength by wavelength tunable...

Signal detection circuit and optical transmission equipment

Modulator with marking of polarization

Patents Applicationslast 30 patents

OPTICAL SIGNAL SENDING METHOD, PILOT RECEIVER, AND TRANSMITTER

METHODS AND SYSTEMS FOR MULTI-LEVEL BEACON TONE MODULATION OF AN OP...

Optical Channel Monitoring Using Expanded-Spectrum Pilot Tone

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD

Method for Controlling Modulation Depth of Pilot Signal, Transmitte...

Optical Channel Monitor With High Resolution Capability

SIGNAL DETECTION CIRCUIT AND OPTICAL TRANSMISSION EQUIPMENT

OPTICAL LINE TERMINAL FOR MONITORING AND CONTROLLING UPSTREAM/DOWNS...

TUNABLE COHERENT OPTICAL RECEIVER AND METHOD

Method and System for Pilot-Based Time Domain Phase Noise Mitigatio...

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD

MODULATOR WITH MARKING OF POLARIZATION

COMMUNICATION SYSTEM, MEASURING APPARATUS, TRANSMITTING APPARATUS,...

METHOD AND SYSTEM FOR CANCELLATION OF CHROMATIC DISPERSION COMBINED...

Identifying a Characteristic of a Mesh Network

POWER CONTROL OF OPTICAL SIGNALS HAVING DIFFERENT POLARIZATIONS

METHOD AND SYSTEM FOR DISTRIBUTED MEASUREMENT AND COMPENSATION OF C...

Method for lightpath monitoring in an optical routing network

Automatic power restoring method and optical communication system

Pilot Tones for Optical Signal Wavelength Identification and Power...

Automatic power restoring method and optical communication system

NOISE TONE AVOIDANCE IN OPTICAL NETWORKS

METHODS AND APPARATUS FOR OPTICAL NETWORK MANAGEMENT USING PILOT TONES

Methods and apparatus for sensing multiple wavelengths simultaneous...

Methods and apparatus for optical network management using pilot tones

Method and apparatus for maintaining a pre-determined ratio of a pi...

Cancellation of transmitted signal crosstalk in optical receivers o...

Method of pilot-tone signal transmission on an optical fiber and a...

Pilot tones for optical signal wavelength identification and power...

Automatic power restoring method and optical communication system