BR112012011225B8 - sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuída - Google Patents
sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuída Download PDFInfo
- Publication number
- BR112012011225B8 BR112012011225B8 BR112012011225A BR112012011225A BR112012011225B8 BR 112012011225 B8 BR112012011225 B8 BR 112012011225B8 BR 112012011225 A BR112012011225 A BR 112012011225A BR 112012011225 A BR112012011225 A BR 112012011225A BR 112012011225 B8 BR112012011225 B8 BR 112012011225B8
- Authority
- BR
- Brazil
- Prior art keywords
- fiber optic
- distributed fiber
- optical
- sensor
- distributed
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title abstract 7
- 238000001514 detection method Methods 0.000 title abstract 4
- 230000003287 optical effect Effects 0.000 abstract 5
- 230000005855 radiation Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35361—Sensor working in reflection using backscattering to detect the measured quantity using elastic backscattering to detect the measured quantity, e.g. using Rayleigh backscattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuída a invenção diz respeito a um sensor de fibra óptica distribuído (104,106) com uma primeira resoluçção espacial (301,303) e uma segunda resoluçção esácial diferente (302,304). o sensor , que pode ser um sensor acústica distribuído, tem uma fonte óptica (112) configurada para a interrogar uma fibra óptica (104) com radição óptica e um detector (116) configurado jpara detectar radiação óptica retrodispersa dentro da fibra. um processador (108) é configurado para processar a radiação retrodispersa detectada para prover um a pluralidade de porções de detecção longitudinais de fibra. a fonte óptica e o processador são adaptados para prover primeira e segunda resoluções espaciais, por exemplo, mudando a duração e/ou separação dos pulsos ópticos e caixas de análise. a primeira e segunda resoluções espaciais podem ser providas sequencialmente ou simultaneamente e a resolução espacial usada pode ser variada como parte de um padrão implícito ou em resposta a um evento de detecção.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0919906.8A GB0919906D0 (en) | 2009-11-13 | 2009-11-13 | Improvements to distributed fibre optic sensing |
PCT/GB2010/002087 WO2011058322A2 (en) | 2009-11-13 | 2010-11-12 | Improvements in distributed fibre optic sensing |
Publications (3)
Publication Number | Publication Date |
---|---|
BR112012011225A2 BR112012011225A2 (pt) | 2018-04-03 |
BR112012011225B1 BR112012011225B1 (pt) | 2020-01-21 |
BR112012011225B8 true BR112012011225B8 (pt) | 2020-02-04 |
Family
ID=41509338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012011225A BR112012011225B8 (pt) | 2009-11-13 | 2010-11-12 | sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuída |
Country Status (9)
Country | Link |
---|---|
US (1) | US8923663B2 (pt) |
EP (1) | EP2499466B1 (pt) |
CN (1) | CN102292621B (pt) |
AU (1) | AU2010317703C1 (pt) |
BR (1) | BR112012011225B8 (pt) |
CA (1) | CA2780610C (pt) |
EA (1) | EA022899B1 (pt) |
GB (1) | GB0919906D0 (pt) |
WO (1) | WO2011058322A2 (pt) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2750905C (en) | 2008-12-31 | 2018-01-30 | Shell Internationale Research Maatschappij B.V. | Method for monitoring deformation of well equipment |
GB2479101B (en) | 2009-02-09 | 2013-01-23 | Shell Int Research | Method of detecting fluid in-flows downhole |
AU2009339275B2 (en) | 2009-02-09 | 2013-06-27 | Shell Internationale Research Maatschappij B.V. | Areal monitoring using distributed acoustic sensing |
GB2519001B (en) | 2009-05-27 | 2015-09-02 | Silixa Ltd | Method and apparatus for optical sensing |
GB0919906D0 (en) * | 2009-11-13 | 2009-12-30 | Qinetiq Ltd | Improvements to distributed fibre optic sensing |
US9080949B2 (en) | 2009-12-23 | 2015-07-14 | Shell Oil Company | Detecting broadside and directional acoustic signals with a fiber optical distributed acoustic sensing (DAS) assembly |
US9109944B2 (en) | 2009-12-23 | 2015-08-18 | Shell Oil Company | Method and system for enhancing the spatial resolution of a fiber optical distributed acoustic sensing assembly |
US9140815B2 (en) | 2010-06-25 | 2015-09-22 | Shell Oil Company | Signal stacking in fiber optic distributed acoustic sensing |
CA2809660C (en) | 2010-09-01 | 2016-11-15 | Schlumberger Canada Limited | Distributed fiber optic sensor system with improved linearity |
WO2012084997A2 (en) | 2010-12-21 | 2012-06-28 | Shell Internationale Research Maatschappij B.V. | Detecting the direction of acoustic signals with a fiber optical distributed acoustic sensing (das) assembly |
AU2011349850B2 (en) | 2010-12-21 | 2014-10-23 | Shell Internationale Research Maatschappij B.V. | System and method for making distributed measurements using fiber optic cable |
BR112013022777B1 (pt) | 2011-03-09 | 2021-04-20 | Shell Internationale Research Maatschappij B. V | cabo integrado de fibras ópticas, sistema de monitoramento por fibra óptica para um local de poço, e, método para monitorar um local de poço |
CN103534435B (zh) | 2011-05-18 | 2016-10-26 | 国际壳牌研究有限公司 | 用于保护围绕井套管的环形空间中的管道的方法和系统 |
US9347313B2 (en) | 2011-06-13 | 2016-05-24 | Shell Oil Company | Hydraulic fracture monitoring using active seismic sources with receivers in the treatment well |
CA2839212C (en) | 2011-06-20 | 2019-09-10 | Shell Internationale Research Maatschappij B.V. | Fiber optic cable with increased directional sensitivity |
GB201112161D0 (en) * | 2011-07-15 | 2011-08-31 | Qinetiq Ltd | Portal monitoring |
GB2506794B (en) | 2011-08-09 | 2016-08-17 | Shell Int Research | Method and apparatus for measuring seismic parameters of a seismic vibrator |
WO2013090544A1 (en) | 2011-12-15 | 2013-06-20 | Shell Oil Company | Detecting broadside acoustic signals with a fiber optical distributed acoustic sensing (das) assembly |
GB201208418D0 (en) * | 2012-05-14 | 2012-06-27 | Optasence Holdings Ltd | Radiation detector |
US10088353B2 (en) | 2012-08-01 | 2018-10-02 | Shell Oil Company | Cable comprising twisted sinusoid for use in distributed sensing |
US9134197B2 (en) * | 2013-01-15 | 2015-09-15 | Exfo Inc. | Bi-directional multi-pulsewidth optical time-domain reflectometer |
GB201318254D0 (en) * | 2013-10-15 | 2013-11-27 | Silixa Ltd | Optical fiber cable |
GB2532031A (en) * | 2014-11-05 | 2016-05-11 | Cambridge Consultants | System and method for detecting a change in shape of at least one predefined region of an optical fibre |
GB201503861D0 (en) * | 2015-03-06 | 2015-04-22 | Silixa Ltd | Method and apparatus for optical sensing |
GB2539254A (en) * | 2015-06-12 | 2016-12-14 | Pimon Gmbh | Method and apparatus for monitoring pipeline |
GB201515505D0 (en) * | 2015-09-01 | 2015-10-14 | Optasense Holdings Ltd | Distributed fibre optic sensing |
US10359302B2 (en) | 2015-12-18 | 2019-07-23 | Schlumberger Technology Corporation | Non-linear interactions with backscattered light |
EP3670830B1 (en) | 2016-04-07 | 2021-08-11 | BP Exploration Operating Company Limited | Detecting downhole events using acoustic frequency domain features |
US11530606B2 (en) | 2016-04-07 | 2022-12-20 | Bp Exploration Operating Company Limited | Detecting downhole sand ingress locations |
CN108072596A (zh) * | 2016-11-11 | 2018-05-25 | 基德科技公司 | 基于高灵敏度光纤的检测 |
WO2018089660A1 (en) | 2016-11-11 | 2018-05-17 | Carrier Corporation | High sensitivity fiber optic based detection |
WO2018089629A1 (en) * | 2016-11-11 | 2018-05-17 | Carrier Corporation | High sensitivity fiber optic based detection |
ES2919300T3 (es) | 2016-11-11 | 2022-07-22 | Carrier Corp | Detección basada en fibra óptica de alta sensibilidad |
EP3539108B1 (en) | 2016-11-11 | 2020-08-12 | Carrier Corporation | High sensitivity fiber optic based detection |
CA3058256C (en) | 2017-03-31 | 2023-09-12 | Bp Exploration Operating Company Limited | Well and overburden monitoring using distributed acoustic sensors |
US11385410B2 (en) | 2017-06-26 | 2022-07-12 | The Trustees Of Columbia University In The City Of New York | Millimeter scale long grating coupler |
US11194223B2 (en) | 2017-06-26 | 2021-12-07 | The Trustees Of Columbia University In The City Of New York | Densely-packed optical phased arrays via k-vector mismatch and metamaterial rods |
WO2019038401A1 (en) | 2017-08-23 | 2019-02-28 | Bp Exploration Operating Company Limited | DETECTION OF SAND INPUT LOCATIONS AT THE BOTTOM OF A HOLE |
CN111771042A (zh) | 2017-10-11 | 2020-10-13 | 英国石油勘探运作有限公司 | 使用声学频域特征来检测事件 |
US10935417B2 (en) * | 2017-10-26 | 2021-03-02 | Aiq Dienstleistungen Ug (Haftungsbeschränkt) | Distributed acoustic sensing system using different coherent interrogating light patterns and corresponding sensing method |
JP6791113B2 (ja) * | 2017-12-27 | 2020-11-25 | 横河電機株式会社 | 光ファイバ特性測定装置及び光ファイバ特性測定方法 |
US20210389486A1 (en) | 2018-11-29 | 2021-12-16 | Bp Exploration Operating Company Limited | DAS Data Processing to Identify Fluid Inflow Locations and Fluid Type |
GB201820331D0 (en) | 2018-12-13 | 2019-01-30 | Bp Exploration Operating Co Ltd | Distributed acoustic sensing autocalibration |
EP4045766A1 (en) | 2019-10-17 | 2022-08-24 | Lytt Limited | Fluid inflow characterization using hybrid das/dts measurements |
WO2021073740A1 (en) | 2019-10-17 | 2021-04-22 | Lytt Limited | Inflow detection using dts features |
WO2021093974A1 (en) | 2019-11-15 | 2021-05-20 | Lytt Limited | Systems and methods for draw down improvements across wellbores |
CN113218494A (zh) | 2020-01-21 | 2021-08-06 | 中国科学院上海光学精密机械研究所 | 一种分布式光纤声传感系统及信号处理方法 |
WO2021249643A1 (en) | 2020-06-11 | 2021-12-16 | Lytt Limited | Systems and methods for subterranean fluid flow characterization |
CA3182376A1 (en) | 2020-06-18 | 2021-12-23 | Cagri CERRAHOGLU | Event model training using in situ data |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4996419A (en) | 1989-12-26 | 1991-02-26 | United Technologies Corporation | Distributed multiplexed optical fiber Bragg grating sensor arrangeement |
US5194847A (en) | 1991-07-29 | 1993-03-16 | Texas A & M University System | Apparatus and method for fiber optic intrusion sensing |
AUPQ420699A0 (en) | 1999-11-24 | 1999-12-16 | Future Fibre Technologies Pty Ltd | A method of perimeter barrier monitoring and systems formed for that purpose |
CA2412041A1 (en) | 2000-06-29 | 2002-07-25 | Paulo S. Tubel | Method and system for monitoring smart structures utilizing distributed optical sensors |
US6601671B1 (en) | 2000-07-10 | 2003-08-05 | Weatherford/Lamb, Inc. | Method and apparatus for seismically surveying an earth formation in relation to a borehole |
US6466706B1 (en) * | 2000-10-11 | 2002-10-15 | The United States Of America As Represented By The Secretary Of The Navy | Pulsed system and method for fiber optic sensor |
AU2002344444A1 (en) * | 2002-11-01 | 2004-05-25 | Kinzo Kishida | Distributed optical fiber sensor system |
CA2515705C (en) * | 2003-02-12 | 2012-12-18 | Sensornet Limited | Method and apparatus for generation and transmission of high energy optical pulses for long range measurements |
CN100439860C (zh) | 2004-06-25 | 2008-12-03 | 光纳株式会社 | 分布式光纤传感器 |
US7271884B2 (en) | 2004-08-06 | 2007-09-18 | The United States Of America Represented By The Secretary Of The Navy | Natural fiber span reflectometer providing a virtual phase signal sensing array capability |
GB0521713D0 (en) * | 2005-10-25 | 2005-11-30 | Qinetiq Ltd | Traffic sensing and monitoring apparatus |
GB0606010D0 (en) * | 2006-03-25 | 2006-05-03 | Qinetiq Ltd | Fibre-Optic Sensor Array |
GB2442745B (en) * | 2006-10-13 | 2011-04-06 | At & T Corp | Method and apparatus for acoustic sensing using multiple optical pulses |
GB2442746B (en) * | 2006-10-13 | 2011-04-06 | At & T Corp | Method and apparatus for acoustic sensing using multiple optical pulses |
JP5122120B2 (ja) * | 2006-12-13 | 2013-01-16 | 横河電機株式会社 | 光ファイバ特性測定装置 |
GB2445364B (en) | 2006-12-29 | 2010-02-17 | Schlumberger Holdings | Fault-tolerant distributed fiber optic intrusion detection |
US7504618B2 (en) * | 2007-07-03 | 2009-03-17 | Schlumberger Technology Corporation | Distributed sensing in an optical fiber using brillouin scattering |
CN101539631B (zh) | 2009-04-30 | 2011-11-30 | 华中科技大学 | 一种地震监测装置 |
GB0919906D0 (en) * | 2009-11-13 | 2009-12-30 | Qinetiq Ltd | Improvements to distributed fibre optic sensing |
GB0919902D0 (en) * | 2009-11-13 | 2009-12-30 | Qinetiq Ltd | Improvements in fibre optic cables for distributed sensing |
GB0919904D0 (en) * | 2009-11-13 | 2009-12-30 | Qinetiq Ltd | Determining lateral offset in distributed fibre optic acoustic sensing |
GB0919899D0 (en) * | 2009-11-13 | 2009-12-30 | Qinetiq Ltd | Fibre optic distributed sensing |
GB201019117D0 (en) * | 2010-11-11 | 2010-12-29 | Fotech Solutions Ltd | Distributed optical fibre sensor |
GB2489749B (en) * | 2011-04-08 | 2016-01-20 | Optasense Holdings Ltd | Fibre optic distributed sensing |
-
2009
- 2009-11-13 GB GBGB0919906.8A patent/GB0919906D0/en not_active Ceased
-
2010
- 2010-11-12 EP EP10785490.3A patent/EP2499466B1/en active Active
- 2010-11-12 CA CA2780610A patent/CA2780610C/en active Active
- 2010-11-12 EA EA201290327A patent/EA022899B1/ru not_active IP Right Cessation
- 2010-11-12 BR BR112012011225A patent/BR112012011225B8/pt not_active IP Right Cessation
- 2010-11-12 US US13/509,402 patent/US8923663B2/en active Active
- 2010-11-12 AU AU2010317703A patent/AU2010317703C1/en not_active Ceased
- 2010-11-12 CN CN201080005142.7A patent/CN102292621B/zh not_active Expired - Fee Related
- 2010-11-12 WO PCT/GB2010/002087 patent/WO2011058322A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP2499466A2 (en) | 2012-09-19 |
AU2010317703A1 (en) | 2012-07-05 |
GB0919906D0 (en) | 2009-12-30 |
EP2499466B1 (en) | 2014-02-12 |
AU2010317703C1 (en) | 2015-02-12 |
US8923663B2 (en) | 2014-12-30 |
CN102292621B (zh) | 2015-02-25 |
CN102292621A (zh) | 2011-12-21 |
BR112012011225A2 (pt) | 2018-04-03 |
BR112012011225B1 (pt) | 2020-01-21 |
CA2780610A1 (en) | 2011-05-19 |
EA201290327A1 (ru) | 2012-12-28 |
AU2010317703B2 (en) | 2014-06-19 |
US20120230628A1 (en) | 2012-09-13 |
CA2780610C (en) | 2017-12-19 |
WO2011058322A3 (en) | 2011-07-28 |
WO2011058322A2 (en) | 2011-05-19 |
EA022899B1 (ru) | 2016-03-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112012011225B8 (pt) | sensor de fibra óptica distribuído, e, método de detecção por fibra óptica distribuída | |
MY159400A (en) | Improvements in distributed sensing | |
WO2010104799A3 (en) | Systems and methods for determining one or more characteristics of a specimen using radiation in the terahertz range | |
BR112012027103A2 (pt) | sistema de monitoramento montado em superfície | |
BR112018015394A2 (pt) | aparelho usável para detectar uma substância alvo em um líquido | |
BR112012031889A2 (pt) | sistema de elevador, e, método para detectar velocidade e posição de um componente de elevador | |
BR112014029243A2 (pt) | detector de vazamento de gás ultrassônico | |
BRPI0907279A8 (pt) | sistema de monitoramento fetal e método para o monitoramento fetal. | |
BRPI0821847A2 (pt) | método, sistema e artigo | |
BR112012022776A2 (pt) | aparelho, sistema e método para detectar a presença de componentes de produto reparáveis originais | |
BR112012023007A2 (pt) | sistema de triagem de pessoal. | |
BR112015018351A2 (pt) | sistema para determinar informações de sinais vitais de um indivíduo, marcador para uso em um sistema, dispositivo para uso em um sistema, método para determinar informações de sinais vitais de um indivíduo, e, programa de computador | |
WO2010123883A3 (en) | Photoacoustic detection of analytes in solid tissue and detection system | |
BR112016028987A2 (pt) | arranjo de sensor para medir uma conexão de crimpagem, equipamento de medição para uma conexão de crimpagem, método para medir uma conexão de crimpagem, unidade de processamento de sinal e meio de distribuição de programa de computador | |
BR112014027483A2 (pt) | sistema, método e algoritmo de computador para caracterização e classificação dos potenciais evocados eletrofisiologicamente | |
BR112015014796A2 (pt) | sistema e método para detectar colisão de veículo | |
BRPI0612533B8 (pt) | método para determinar o potencial elétrico em uma primeira localização em relação a uma localização de referência sobre a pele de um animal ou ser humano | |
WO2013138356A3 (en) | System and method for robust estimation of color dependent measurements | |
BR112015014766A2 (pt) | sistema e método para identificar veículo por utilizar campo magnético detectado | |
GB201211407D0 (en) | Optical sensor | |
BR112015031420A2 (pt) | sistema de detecção acústica distribuída com base no espalhamento rayleigh coerente e método para detectar acústica distribuída | |
BR112015011951A2 (pt) | métodos e aparatos para adquirir sinais compensados para a determinação de parâmetros de formação | |
BR112018071384A2 (pt) | método para detecção de uma posição de um dispositivo móvel de fundo do poço, e, conjunto de fundo do poço para detecção de uma posição de um dispositivo móvel. | |
BR112014011003A2 (pt) | método para determinação de uma distância de um sensor a uma luminária, controlador configurado para realizar o método, luminária para uso no método, sistema de iluminação para uma estrutura, e, programa de computador | |
BR112012016463A2 (pt) | método e aparelho para medir a eficácia de extermínio de um desinfetante. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06T | Formal requirements before examination [chapter 6.20 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/11/2010, OBSERVADAS AS CONDICOES LEGAIS. |
|
B16C | Correction of notification of the grant [chapter 16.3 patent gazette] |
Free format text: REF. RPI 2559 DE 21/01/2020 QUANTO AO ENDERECO. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 12A ANUIDADE. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2696 DE 06-09-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |