BRPI0503768A - optical accelerometer - Google Patents

optical accelerometer

Info

Publication number
BRPI0503768A
BRPI0503768A BRPI0503768A BRPI0503768A BR PI0503768 A BRPI0503768 A BR PI0503768A BR PI0503768 A BRPI0503768 A BR PI0503768A BR PI0503768 A BRPI0503768 A BR PI0503768A
Authority
BR
Brazil
Prior art keywords
optical
accelerometer
module
optical accelerometer
spring
Prior art date
Application number
Other languages
Portuguese (pt)
Inventor
Sergio Ricardo Kokay Morikawa
Murilo Magalhaes Nogueira
Luiz Carlos Guedes Valente
Arthur Martins Barbosa Braga
Rogerio Dias Regazzi
Adriana Lucia Cerri Triques
Alexandre Sant Anna Ribeiro
Original Assignee
Faculdades Catolicas Puc Rio
Expansion Transmissao De En El
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 Faculdades Catolicas Puc Rio, Expansion Transmissao De En El filed Critical Faculdades Catolicas Puc Rio
Priority to BRPI0503768 priority Critical patent/BRPI0503768A/en
Publication of BRPI0503768A publication Critical patent/BRPI0503768A/en

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

"ACELERÈMETRO óPTICO". é descrito um acelerómetro óptico contendo redes de Bragg para a medição de vibrações mecânicas com base no princípio de um sistema massa-mola-amortecedor, o acelerómetro compreendendo basicamente um módulo 100 com corpo 110, uma massa sísmica 120 que reage a uma aceleração, uma placa metálica 130 que atua como elemento de sustentação, e elemento de mola constituído por uma única fibra óptica 140 contendo redes de Bragg 150. Alternativamente um módulo 200 com corpo 210 compreende uma haste 216 posicionada eqüidistante às laterais verticais 213 do dito corpo. O acelerómetro óptico descrito pode ser usado para a medição de vibrações mecânicas em uma, dois ou três direções."OPTICAL THROTTLE". An optical accelerometer containing Bragg networks for measuring mechanical vibrations based on the principle of a mass-spring-damping system is described, the accelerometer basically comprising a module 100 with body 110, a seismic mass 120 that reacts to an acceleration, a metal plate 130 acting as a support element, and spring element consisting of a single optical fiber 140 containing Bragg nets 150. Alternatively a module 200 with body 210 comprises a rod 216 positioned equidistant to the vertical sides 213 of said body. The optical accelerometer described can be used to measure mechanical vibration in one, two or three directions.

BRPI0503768 2005-06-16 2005-06-16 optical accelerometer BRPI0503768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0503768 BRPI0503768A (en) 2005-06-16 2005-06-16 optical accelerometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0503768 BRPI0503768A (en) 2005-06-16 2005-06-16 optical accelerometer

Publications (1)

Publication Number Publication Date
BRPI0503768A true BRPI0503768A (en) 2007-02-06

Family

ID=37696354

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0503768 BRPI0503768A (en) 2005-06-16 2005-06-16 optical accelerometer

Country Status (1)

Country Link
BR (1) BRPI0503768A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110736535A (en) * 2019-11-25 2020-01-31 山东大学 rock mass engineering stability monitoring vibration sensor and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110736535A (en) * 2019-11-25 2020-01-31 山东大学 rock mass engineering stability monitoring vibration sensor and system
CN110736535B (en) * 2019-11-25 2022-12-30 山东大学 Rock mass engineering stability monitoring vibrations sensor and system

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B15K Others concerning applications: alteration of classification

Ipc: G01P 15/00 (2009.01)

B06G Technical and formal requirements: other requirements

Free format text: PARA QUE SEJA ACEITA A PETICAO NO 020090097186/RJ DE 15/10/2009 APRESENTE PROCURACAO ORIGINAL OU EM FOTOCOPIA AUTENTICADA QUE COMPROVE PODERES PARA REPRESENTAR TODOS OS DEPOSITANTE A DATA DA REFERIDA PETICAO.

B11Z Dismissal: petition dismissal - article 216, par 2 of industrial property law

Free format text: REFERENTE A PETICAO NO 020090097186/RJ DE 15/10/2009.

B12C Appeal: appeal against dismissal
B04C Request for examination: reinstatement - article 33, solely paragraph, of industrial property law
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B07A Technical examination (opinion): publication of technical examination (opinion)
B09B Decision: refusal
B09B Decision: refusal

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL