BRPI0403268A - sistema de leitura e aquisição de dados para sensores a fibra óptica - Google Patents

sistema de leitura e aquisição de dados para sensores a fibra óptica

Info

Publication number
BRPI0403268A
BRPI0403268A BRPI0403268-3A BRPI0403268A BRPI0403268A BR PI0403268 A BRPI0403268 A BR PI0403268A BR PI0403268 A BRPI0403268 A BR PI0403268A BR PI0403268 A BRPI0403268 A BR PI0403268A
Authority
BR
Brazil
Prior art keywords
fiber optic
acquisition system
data acquisition
optical
wells
Prior art date
Application number
BRPI0403268-3A
Other languages
English (en)
Inventor
Jose Luiz Arias Vidal
Manoel Feliciano Da Juni Silva
Ricardo Munoz Freitas
Lincoln Homero Thome Ferreira
Original Assignee
Petroleo Brasileiro Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Priority to BRPI0403268-3A priority Critical patent/BRPI0403268B1/pt
Priority to US11/194,767 priority patent/US7342217B2/en
Priority to CO05079338A priority patent/CO5730013A1/es
Priority to ARP050103334A priority patent/AR050209A1/es
Publication of BRPI0403268A publication Critical patent/BRPI0403268A/pt
Publication of BRPI0403268B1 publication Critical patent/BRPI0403268B1/pt

Links

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
    • G01D5/35303—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 a reference fibre, e.g. interferometric devices
    • 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
    • G01D5/35306—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 an interferometer arrangement
    • G01D5/35309—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 an interferometer arrangement using multiple waves interferometer
    • G01D5/35316—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 an interferometer arrangement using multiple waves interferometer using a Bragg gratings
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29316—Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
    • G02B6/29317—Light guides of the optical fibre type
    • G02B6/29319—With a cascade of diffractive elements or of diffraction operations

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

"SISTEMA DE LEITURA E AQUISIçãO DE DADOS PARA SENSORES A FIBRA óPTICA". é descrito um sistema de leitura e aquisição de dados para sensores a fibra óptica contendo redes de Bragg para o sensoriamento de parâmetros físicos oriundos de um conjunto de poços de petróleo, dito sistema compreendendo um sistema óptico (30) de processamento de sinais, ditos sinais sendo: i) provenientes de sensores (10a,10b) de parâmetros físicos instalados em um conjunto de poços e ii) resultantes do comprimento de onda refletido em resposta a uma perturbação do parâmetro físico medido; b) um sistema eletrónico (40) de processamento de sinais para converter os sinais de intensidade óptica provenientes do dito sistema óptico (30) através de detectores (36a, 36b, 36c, 36d) que otimizam a relação sinal/ruído para sinais elétricos que são digitalizados e convertidos segundo um algoritmo que utiliza as constantes das curvas de calibração de cada sensor para a determinação das grandezas físicas de pressão e temperatura; e c) um chaveador óptico (20) com uma interface entre a) e b), para ampliar o número de poços monitorados.
BRPI0403268-3A 2004-08-10 2004-08-10 System for reading and data acquisition for fiber optical sensors BRPI0403268B1 (pt)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BRPI0403268-3A BRPI0403268B1 (pt) 2004-08-10 2004-08-10 System for reading and data acquisition for fiber optical sensors
US11/194,767 US7342217B2 (en) 2004-08-10 2005-08-02 System for the measurement and data acquisition for optical fiber sensors
CO05079338A CO5730013A1 (es) 2004-08-10 2005-08-10 Sistema para la medida y adquisicion de datos para sensores de fibra optica
ARP050103334A AR050209A1 (es) 2004-08-10 2005-08-11 Sitema de lectura y adquisicion de datos para sensores a fibra optica

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0403268-3A BRPI0403268B1 (pt) 2004-08-10 2004-08-10 System for reading and data acquisition for fiber optical sensors

Publications (2)

Publication Number Publication Date
BRPI0403268A true BRPI0403268A (pt) 2006-03-28
BRPI0403268B1 BRPI0403268B1 (pt) 2017-07-18

Family

ID=36096497

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0403268-3A BRPI0403268B1 (pt) 2004-08-10 2004-08-10 System for reading and data acquisition for fiber optical sensors

Country Status (4)

Country Link
US (1) US7342217B2 (pt)
AR (1) AR050209A1 (pt)
BR (1) BRPI0403268B1 (pt)
CO (1) CO5730013A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2184438A2 (en) 2008-11-05 2010-05-12 Petroleo Brasileiro S.A. Petrobras Equipment for optical measurement of double temperature and pressure and of flow rate and respective handling tool

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8672539B2 (en) 2008-06-12 2014-03-18 Halliburton Energy Services, Inc. Multiple sensor fiber optic sensing system
US20160252344A1 (en) * 2014-06-19 2016-09-01 Nano And Advanced Materials Institute Limited Self referenced intensity-based polymer optical fibre displacement sensor
KR101915260B1 (ko) 2017-04-06 2018-11-06 충남대학교산학협력단 광섬유 센서 기반 스트레인 측정 장치
US10942312B1 (en) * 2018-03-29 2021-03-09 Lockheed Martin Corporation Optical temperature sensing methods and devices associated with photonic integrated circuits
CN108917976B (zh) * 2018-04-24 2020-08-14 北京航天时代光电科技有限公司 一种基于可调谐光源和光纤光栅的温度测量装置
CN113670208B (zh) * 2021-08-05 2023-10-27 国家石油天然气管网集团有限公司 一种采空塌陷区油气管道位移监测系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5513913A (en) * 1993-01-29 1996-05-07 United Technologies Corporation Active multipoint fiber laser sensor
IT1262407B (it) 1993-09-06 1996-06-19 Finmeccanica Spa Strumentazione utilizzante componenti in ottica integrata per la diagnostica di parti con sensori a fibra ottica inclusi o fissati sulla superficie.
US5426297A (en) 1993-09-27 1995-06-20 United Technologies Corporation Multiplexed Bragg grating sensors
US5401956A (en) 1993-09-29 1995-03-28 United Technologies Corporation Diagnostic system for fiber grating sensors
US5675674A (en) * 1995-08-24 1997-10-07 Rockbit International Optical fiber modulation and demodulation system
NO307357B1 (no) * 1997-02-14 2000-03-20 Optoplan As Anordning for maling av optiske bolgelengder
GB2348000B (en) * 1999-03-19 2001-02-07 Marconi Electronic Syst Ltd Strain sensing
NO324337B1 (no) * 1999-09-15 2007-09-24 Optoplan As Anordning for maling av optiske bolgelengder
CA2412041A1 (en) * 2000-06-29 2002-07-25 Paulo S. Tubel Method and system for monitoring smart structures utilizing distributed optical sensors
US6647160B1 (en) * 2002-06-17 2003-11-11 National Chiao Tung University Fiber bragg grating sensor system
US7900699B2 (en) * 2002-08-30 2011-03-08 Schlumberger Technology Corporation Method and apparatus for logging a well using a fiber optic line and sensors
US6933491B2 (en) * 2002-12-12 2005-08-23 Weatherford/Lamb, Inc. Remotely deployed optical fiber circulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2184438A2 (en) 2008-11-05 2010-05-12 Petroleo Brasileiro S.A. Petrobras Equipment for optical measurement of double temperature and pressure and of flow rate and respective handling tool

Also Published As

Publication number Publication date
US20060034558A1 (en) 2006-02-16
CO5730013A1 (es) 2007-02-28
AR050209A1 (es) 2006-10-04
BRPI0403268B1 (pt) 2017-07-18
US7342217B2 (en) 2008-03-11

Similar Documents

Publication Publication Date Title
GB2469427A (en) Method for sensing strain in a component in a wind turbine, optical strain sensing system and uses thereof
US7129470B2 (en) Optical sensor using a long period grating suitable for dynamic interrogation
EA201290326A1 (ru) Усовершенствования в распределенном считывании
CN102564334B (zh) 用于高温管道微应变检测的长周期光纤光栅应变片
GB2444664A (en) Fire detection
DK200701739A (da) System og fremgangsmåde til integreret måling under anvendelse af optiske sensorer
WO2010009007A1 (en) Frequency-scanned optical time domain reflectometry
CN203275291U (zh) 基于光纤传感技术的煤矿瓦斯气体安全监测系统
BRPI0404129A (pt) Sensor de ph a fibra óptica
AR050209A1 (es) Sitema de lectura y adquisicion de datos para sensores a fibra optica
CN201837485U (zh) 光纤光栅海水温度深度检测系统
CN101832761B (zh) 高温压力管道的微应变光纤传感在线监测设备
CN101975627B (zh) 光纤光栅海水温度深度检测系统
CA2944352A1 (en) Attenuation correction for distributed temperature sensors using antistokes to rayleigh ratio
CN102052953A (zh) 油罐油、水、乳化层界面的光学阵列图像检测系统
CN108037129A (zh) 用于检测煤矿甲烷浓度的方法
CN103257114A (zh) 基于光纤Bragg光栅传感网络的井下瓦斯检测方法
Kwon et al. Fiber optic sensor installation for monitoring of 4 span model bridge in UCF
CN205263987U (zh) 船舶机舱监测火灾报警装置
CN202631153U (zh) 带有自动补偿功能的单端口分布式光纤温度传感器
CN209841233U (zh) 一种基于脉冲编码技术的粮仓分布式光纤拉曼温度监测仪
CN208968667U (zh) 一种准分布式声波探测传感器
Hou et al. Signal processing of single-mode fiber sensor system based on Raman scattering
King et al. An optical fibre ethanol concentration sensor utilizing Fourier transform signal processing analysis and artificial neural network pattern recognition
CN203117105U (zh) 一种煤岩辨识光纤传感器

Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B09X Republication of the decision to grant [chapter 9.1.3 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]
B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 12% SOBRE O PRECO DE VENDA, EXCLUINDO OS IMPOSTOS INCIDENTES NA EMISSAO DA NOTA FISCAL (IPI, ISS E ICMS), TAXA DE ACESSO E TAXA MINIMA ANUAL; 2) PRAZO: 5 ANOS, PODENDO SER PRORROGAVEL POR IGUAL PERIODO, ATE O FIM DA VIGENCIA DO ATIVO INTELECTUAL; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A PARTIR DOS DADOS OBTIDOS NAS NOTAS FISCAIS SOLICITADOS; 4) DISPONIBILIDADE DE KNOW-HOW: NAO; 5) ASSISTENCIA TECNICA: NAO.

B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 12% SOBRE O PRECO DE VENDA, EXCLUINDO OS IMPOSTOS INCIDENTES NA EMISSAO DA NOTA FISCAL (IPI, ISS E ICMS), TAXA DE ACESSO E TAXA MINIMA ANUAL; 2) PRAZO: 5 ANOS, PODENDO SER PRORROGAVEL POR IGUAL PERIODO, ATE O FIM DA VIGENCIA DO ATIVO INTELECTUAL; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A PARTIR DOS DADOS OBTIDOS NAS NOTAS FISCAIS SOLICITADOS; 4) DISPONIBILIDADE DE KNOW-HOW: NAO; 5) ASSISTENCIA TECNICA: NAO. - OBS: CONSULTA A CARTA PATENTE PODERA SER FEITA ATRAVES DO ENDERECO ELETRONICO WWW.INPI.GOV.BR - NO ACESSO RAPIDO = BUSCA DE PROCESSOS = FACA LOGIN COM SENHA OU TECLE CONTINUAR = PATENTE = DIGITE O NUMERO DO PROCESSO = PESQUISAR. PARA ACESSAR, CAD

B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 12% SOBRE O PRECO DE VENDA, EXCLUINDO OS IMPOSTOS INCIDENTES NA EMISSAO DA NOTA FISCAL (IPI, ISS E ICMS), TAXA DE ACESSO E TAXA MINIMA ANUAL; 2) PRAZO: 5 ANOS, PODENDO SER PRORROGAVEL POR IGUAL PERIODO, ATE O FIM DA VIGENCIA DO ATIVO INTELECTUAL; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A PARTIR DOS DADOS OBTIDOS NAS NOTAS FISCAIS SOLICITADOS; 4) DISPONIBILIDADE DE KNOW-HOW: NAO; 5) ASSISTENCIA TECNICA: NAO. - OBS: CONSULTA A CARTA PATENTE PODERA SER FEITA ATRAVES DO ENDERECO ELETRONICO WWW.INPI.GOV.BR - NO ACESSO RAPIDO = BUSCA DE PROCESSOS = FACA LOGIN COM SENHA OU TECLE CONTINUAR = PATENTE = DIGITE O NUMERO DO PROCESSO = PESQUISAR. PARA ACESSAR, CADASTRE-SE NO PORTAL DO INPI.

Free format text: CONDICOES CONTRATUAIS: 1) ROYALTIES: 12% SOBRE O PRECO DE VENDA, EXCLUINDO OS IMPOSTOS INCIDENTES NA EMISSAO DA NOTA FISCAL (IPI, ISS E ICMS), TAXA DE ACESSO E TAXA MINIMA ANUAL; 2) PRAZO: 5 ANOS, PODENDO SER PRORROGAVEL POR IGUAL PERIODO, ATE O FIM DA VIGENCIA DO ATIVO INTELECTUAL; 3) CONDICOES DE PAGAMENTO: TRIMESTRAL, A PARTIR DOS DADOS OBTIDOS NAS NOTAS FISCAIS SOLICITADOS; 4) DISPONIBILIDADE DE KNOW-HOW: NAO; 5) ASSISTENCIA TECNICA: NAO. - OBS: CONSULTA A CARTA PATENTE PODERA SER FEITA ATRAVES DO ENDERECO ELETRONICO WWW.INPI.GOV.BR - NO ACESSO RAPIDO = BUSCA DE PROCESSOS = FACA LOGIN COM SENHA OU TECLE CONTINUAR = PATENTE = DIGITE O NUMERO DO PROCESSO = PESQUISAR. PARA ACESSAR, CAD