FR2444936A1 - Structure de detecteur de pression a ondes acoustiques superficielles - Google Patents

Structure de detecteur de pression a ondes acoustiques superficielles

Info

Publication number
FR2444936A1
FR2444936A1 FR7931570A FR7931570A FR2444936A1 FR 2444936 A1 FR2444936 A1 FR 2444936A1 FR 7931570 A FR7931570 A FR 7931570A FR 7931570 A FR7931570 A FR 7931570A FR 2444936 A1 FR2444936 A1 FR 2444936A1
Authority
FR
France
Prior art keywords
wave pressure
pressure sensor
sensor structure
acoustic wave
surface acoustic
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7931570A
Other languages
English (en)
French (fr)
Other versions
FR2444936B1 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RTX Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of FR2444936A1 publication Critical patent/FR2444936A1/fr
Application granted granted Critical
Publication of FR2444936B1 publication Critical patent/FR2444936B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring 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
    • G01L9/0001Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
    • G01L9/0025Transmitting 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)
FR7931570A 1978-12-22 1979-12-24 Structure de detecteur de pression a ondes acoustiques superficielles Granted FR2444936A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97254278A 1978-12-22 1978-12-22

Publications (2)

Publication Number Publication Date
FR2444936A1 true FR2444936A1 (fr) 1980-07-18
FR2444936B1 FR2444936B1 (enrdf_load_stackoverflow) 1982-10-08

Family

ID=25519783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931570A Granted FR2444936A1 (fr) 1978-12-22 1979-12-24 Structure de detecteur de pression a ondes acoustiques superficielles

Country Status (8)

Country Link
JP (1) JPS5598323A (enrdf_load_stackoverflow)
AU (1) AU524762B2 (enrdf_load_stackoverflow)
CA (1) CA1126975A (enrdf_load_stackoverflow)
DE (1) DE2951469A1 (enrdf_load_stackoverflow)
FR (1) FR2444936A1 (enrdf_load_stackoverflow)
GB (1) GB2037988B (enrdf_load_stackoverflow)
IT (1) IT1125925B (enrdf_load_stackoverflow)
SE (1) SE7910311L (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0329019D0 (en) * 2003-12-15 2004-01-14 Imp College Innovations Ltd Acoustic wave devices
USD512637S1 (en) * 2004-04-12 2005-12-13 The Procter & Gamble Company Bottle
JP4983176B2 (ja) * 2006-09-14 2012-07-25 セイコーエプソン株式会社 圧力センサの製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697917A (en) * 1971-08-02 1972-10-10 Gen Electric Semiconductor strain gage pressure transducer
GB1389610A (en) * 1972-10-11 1975-04-03 Marconi Co Ltd Surfacewave devices
US4100811A (en) * 1977-03-18 1978-07-18 United Technologies Corporation Differential surface acoustic wave transducer
FR2444927A1 (fr) * 1978-12-22 1980-07-18 United Technologies Corp Structure de detecteur de pression amelioree a ondes acoustiques superficielles

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52149992A (en) * 1976-06-09 1977-12-13 Hitachi Ltd Pressure transducer
JPS5365089A (en) * 1976-11-24 1978-06-10 Toshiba Corp Semiconductor pressure transducer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697917A (en) * 1971-08-02 1972-10-10 Gen Electric Semiconductor strain gage pressure transducer
GB1389610A (en) * 1972-10-11 1975-04-03 Marconi Co Ltd Surfacewave devices
US4100811A (en) * 1977-03-18 1978-07-18 United Technologies Corporation Differential surface acoustic wave transducer
FR2444927A1 (fr) * 1978-12-22 1980-07-18 United Technologies Corp Structure de detecteur de pression amelioree a ondes acoustiques superficielles

Also Published As

Publication number Publication date
GB2037988B (en) 1983-03-02
GB2037988A (en) 1980-07-16
JPS5598323A (en) 1980-07-26
SE7910311L (sv) 1980-06-23
IT1125925B (it) 1986-05-14
JPS6345049B2 (enrdf_load_stackoverflow) 1988-09-07
FR2444936B1 (enrdf_load_stackoverflow) 1982-10-08
CA1126975A (en) 1982-07-06
IT7928110A0 (it) 1979-12-18
DE2951469A1 (de) 1980-07-03
AU524762B2 (en) 1982-09-30
AU5379779A (en) 1980-06-26

Similar Documents

Publication Publication Date Title
RU94045996A (ru) Датчик для определения давления рабочей текучей среды
CA2378059A1 (en) Measurement of propagating acoustic waves in compliant pipes
FR2408824A1 (fr) Capteur de valeurs de mesure de la pression interieure de conduites tubulaires
FR2411404B1 (enrdf_load_stackoverflow)
FR2354548A1 (fr) Procede et dispositif pour la mesure continue de pressions gazeuses
US4114557A (en) Particle monitoring system
FR2444936A1 (fr) Structure de detecteur de pression a ondes acoustiques superficielles
NO174309C (no) Elektroakustisk transducer for anordning i et gassformig fluid, særlig for måling av strömningsghastigheten i et rör under eksplosjonsfarlige forhol
FR2356923A1 (fr) Transducteur de pressions de fluide et instrument de mesure de pression l'utilisant
US4762004A (en) Gas flowmeter and soap bubble generator
FR2385084A1 (fr) Perfectionnement aux debitmetres a ultrasons
DE59102156D1 (de) Druckmessumformer mit einem rotationssymmetrischen Drucksensor aus Keramik.
EP0266955A3 (en) Diffusion measurement
NO20052435L (no) Forseglet observasjonselement for betraktning av en strom av materiale
FR2386817A1 (fr) Appareil numerique de mesure d'une difference de pressions
FR2434983A1 (fr) Soupape a commande thermique
JPS554559A (en) Pressure sensor using crystal vibrator
JPS54153684A (en) Pressure transducer
FR2416484A1 (fr) Dispositif pour engendrer des ondes acoustiques dans un fluide, par implosion
JPS5723817A (en) Measuring device for gas flow
SU390487A1 (ru) Глубоководный акустический экран
FR2368675A1 (fr) Perfectionnements aux dispositifs cryostatiques photodetecteurs
EP4357738B1 (en) Directional sensor for infrasound measurement, and corresponding infrasound emitter
DE3773983D1 (de) Durchflussmessanordnung.
FR2561378A1 (fr) Procede et dispositif utilisant ce procede pour detecter ou mesurer le debit d'un fluide a l'interieur d'une canalisation

Legal Events

Date Code Title Description
ST Notification of lapse