BR9811502B1 - sensor de pressão, sistema de medição de pressão e método para medir a pressão aplicada ao sensor. - Google Patents

sensor de pressão, sistema de medição de pressão e método para medir a pressão aplicada ao sensor.

Info

Publication number
BR9811502B1
BR9811502B1 BRPI9811502-2A BR9811502A BR9811502B1 BR 9811502 B1 BR9811502 B1 BR 9811502B1 BR 9811502 A BR9811502 A BR 9811502A BR 9811502 B1 BR9811502 B1 BR 9811502B1
Authority
BR
Brazil
Prior art keywords
pressure
sensor
measuring
measurement system
cavity
Prior art date
Application number
BRPI9811502-2A
Other languages
English (en)
Other versions
BR9811502A (pt
Inventor
Ernest M Reimer
Lee A Danisch
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 filed Critical
Publication of BR9811502A publication Critical patent/BR9811502A/pt
Publication of BR9811502B1 publication Critical patent/BR9811502B1/pt

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
BRPI9811502-2A 1997-07-16 1998-07-15 sensor de pressão, sistema de medição de pressão e método para medir a pressão aplicada ao sensor. BR9811502B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/895,268 US5917180A (en) 1997-07-16 1997-07-16 Pressure sensor based on illumination of a deformable integrating cavity
PCT/CA1998/000686 WO1999004234A1 (en) 1997-07-16 1998-07-15 Pressure sensor

Publications (2)

Publication Number Publication Date
BR9811502A BR9811502A (pt) 2000-09-26
BR9811502B1 true BR9811502B1 (pt) 2009-05-05

Family

ID=25404242

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9811502-2A BR9811502B1 (pt) 1997-07-16 1998-07-15 sensor de pressão, sistema de medição de pressão e método para medir a pressão aplicada ao sensor.

Country Status (13)

Country Link
US (1) US5917180A (pt)
EP (1) EP0990126B1 (pt)
JP (1) JP3653284B2 (pt)
KR (1) KR100501816B1 (pt)
CN (1) CN1138973C (pt)
AT (1) ATE225032T1 (pt)
AU (1) AU8329298A (pt)
BR (1) BR9811502B1 (pt)
CA (1) CA2226137C (pt)
DE (1) DE69808293T2 (pt)
ES (1) ES2184298T3 (pt)
HK (1) HK1028104A1 (pt)
WO (1) WO1999004234A1 (pt)

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Also Published As

Publication number Publication date
JP2002507279A (ja) 2002-03-05
HK1028104A1 (en) 2001-02-02
JP3653284B2 (ja) 2005-05-25
KR100501816B1 (ko) 2005-07-20
DE69808293T2 (de) 2003-05-28
BR9811502A (pt) 2000-09-26
CN1264467A (zh) 2000-08-23
ATE225032T1 (de) 2002-10-15
KR20010021891A (ko) 2001-03-15
EP0990126A1 (en) 2000-04-05
EP0990126B1 (en) 2002-09-25
AU8329298A (en) 1999-02-10
DE69808293D1 (de) 2002-10-31
WO1999004234A1 (en) 1999-01-28
CN1138973C (zh) 2004-02-18
ES2184298T3 (es) 2003-04-01
US5917180A (en) 1999-06-29
CA2226137C (en) 2004-06-22
CA2226137A1 (en) 1999-01-16

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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]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 28/07/2009, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)