DE2157325B2 - Elektrostatischer Ultraschallwellenwandler - Google Patents

Elektrostatischer Ultraschallwellenwandler

Info

Publication number
DE2157325B2
DE2157325B2 DE19712157325 DE2157325A DE2157325B2 DE 2157325 B2 DE2157325 B2 DE 2157325B2 DE 19712157325 DE19712157325 DE 19712157325 DE 2157325 A DE2157325 A DE 2157325A DE 2157325 B2 DE2157325 B2 DE 2157325B2
Authority
DE
Germany
Prior art keywords
dielectric
ultrasonic wave
assignments
wave transducer
voltage source
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.)
Withdrawn
Application number
DE19712157325
Other languages
German (de)
English (en)
Other versions
DE2157325A1 (de
Inventor
Pierre Biquard
Danielle Legros Geb. Bulwa
Jacques Saint-Cloud Lewiner
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Publication of DE2157325A1 publication Critical patent/DE2157325A1/de
Publication of DE2157325B2 publication Critical patent/DE2157325B2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE19712157325 1970-11-20 1971-11-18 Elektrostatischer Ultraschallwellenwandler Withdrawn DE2157325B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7041766A FR2114999B1 (enExample) 1970-11-20 1970-11-20

Publications (2)

Publication Number Publication Date
DE2157325A1 DE2157325A1 (de) 1972-06-15
DE2157325B2 true DE2157325B2 (de) 1980-06-04

Family

ID=9064485

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712157325 Withdrawn DE2157325B2 (de) 1970-11-20 1971-11-18 Elektrostatischer Ultraschallwellenwandler

Country Status (3)

Country Link
DE (1) DE2157325B2 (enExample)
FR (1) FR2114999B1 (enExample)
GB (1) GB1376335A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2345352A1 (de) * 1972-09-08 1974-04-04 Anvar Piezoelektrisch wirksame folie und verfahren zu deren herstellung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2072458B (en) * 1980-03-03 1984-01-04 C Tape Developments Ltd Improvements in electroacoustic tranducers
CA1277415C (en) * 1986-04-11 1990-12-04 Lorne A. Whitehead Elastomer membrane enhanced electrostatic transducer
CN111171359B (zh) * 2020-01-07 2021-03-02 南京大学 活化聚四氟乙烯的方法及应用

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2345352A1 (de) * 1972-09-08 1974-04-04 Anvar Piezoelektrisch wirksame folie und verfahren zu deren herstellung

Also Published As

Publication number Publication date
FR2114999B1 (enExample) 1973-11-23
DE2157325A1 (de) 1972-06-15
GB1376335A (en) 1974-12-04
FR2114999A1 (enExample) 1972-07-07

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Legal Events

Date Code Title Description
OD Request for examination
BHJ Nonpayment of the annual fee