BR8506344A - Sensores de onda acustica de superficie com baixo tempo de resposta termica - Google Patents

Sensores de onda acustica de superficie com baixo tempo de resposta termica

Info

Publication number
BR8506344A
BR8506344A BR8506344A BR8506344A BR8506344A BR 8506344 A BR8506344 A BR 8506344A BR 8506344 A BR8506344 A BR 8506344A BR 8506344 A BR8506344 A BR 8506344A BR 8506344 A BR8506344 A BR 8506344A
Authority
BR
Brazil
Prior art keywords
acustic
response time
low thermal
thermal response
wave sensors
Prior art date
Application number
BR8506344A
Other languages
English (en)
Inventor
Bikash K Sinha
Stanley Locke
Michael P Ekstrom
Original Assignee
Prad Res & Dev Nv
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
Priority claimed from US06/687,715 external-priority patent/US4622854A/en
Priority claimed from US06/687,716 external-priority patent/US4622855A/en
Application filed by Prad Res & Dev Nv filed Critical Prad Res & Dev Nv
Publication of BR8506344A publication Critical patent/BR8506344A/pt

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
    • G01L9/0025—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element with acoustic surface waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BR8506344A 1984-12-31 1985-12-18 Sensores de onda acustica de superficie com baixo tempo de resposta termica BR8506344A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/687,715 US4622854A (en) 1984-12-31 1984-12-31 Rounded wall surface acoustic wave sensors
US06/687,716 US4622855A (en) 1984-12-31 1984-12-31 Low thermal response time surface acoustic wave sensors

Publications (1)

Publication Number Publication Date
BR8506344A true BR8506344A (pt) 1986-09-02

Family

ID=27104069

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8506344A BR8506344A (pt) 1984-12-31 1985-12-18 Sensores de onda acustica de superficie com baixo tempo de resposta termica

Country Status (7)

Country Link
EP (1) EP0192903B1 (pt)
BR (1) BR8506344A (pt)
DE (1) DE3583802D1 (pt)
ES (1) ES296829Y (pt)
MX (1) MX160259A (pt)
NO (1) NO165268C (pt)
OA (1) OA08155A (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0024813D0 (en) * 2000-10-10 2000-11-22 Transense Technologies Plc Pressure monitoring device incorporating saw device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535631A (en) * 1982-09-29 1985-08-20 Schlumberger Technology Corporation Surface acoustic wave sensors

Also Published As

Publication number Publication date
EP0192903A3 (en) 1988-04-13
NO165268C (no) 1991-01-16
ES296829U (es) 1988-01-16
OA08155A (en) 1987-03-31
NO855194L (no) 1986-07-01
DE3583802D1 (de) 1991-09-19
EP0192903A2 (en) 1986-09-03
ES296829Y (es) 1988-09-16
NO165268B (no) 1990-10-08
MX160259A (es) 1990-01-24
EP0192903B1 (en) 1991-08-14

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)