ES8400862A1 - Un dispositivo de examen ultrasonico. - Google Patents

Un dispositivo de examen ultrasonico.

Info

Publication number
ES8400862A1
ES8400862A1 ES519647A ES519647A ES8400862A1 ES 8400862 A1 ES8400862 A1 ES 8400862A1 ES 519647 A ES519647 A ES 519647A ES 519647 A ES519647 A ES 519647A ES 8400862 A1 ES8400862 A1 ES 8400862A1
Authority
ES
Spain
Prior art keywords
ultrasonic
transmitter
foil
receiver
examination
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.)
Expired
Application number
ES519647A
Other languages
English (en)
Other versions
ES519647A0 (es
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES8400862A1 publication Critical patent/ES8400862A1/es
Publication of ES519647A0 publication Critical patent/ES519647A0/es
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0688—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction with foil-type piezoelectric elements, e.g. PVDF
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/005—Testing or calibrating of detectors covered by the subgroups of G01H3/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means
    • G01H3/125—Amplitude; Power by electric means for representing acoustic field distribution

Abstract

DISPOSITIVO DE EXAMEN ULTRASONICO FORMADO POR UN TRANSMISOR ULTRASONICO Y POR UN RECEPTOR ULTRASONICO.CONSTA DE UNA HOJA O LAMINA DE POLIMERO PIEZOELECTRICO (4) QUE ESTA ADECUADAMENTE TENSADA EN EL ALOJAMIENTO (1) Y DISPUESTA PERPENDICULARMENTE AL EJE DE GIRO, SIENDO GENERADAS LAS AREAS ACTIVAS EN DICHA HOJA O LAMINA MEDIANTE ESTIRAMIENTO Y EXPOSICION A ALTA TEMPERATURA Y A UNA GRAN INTENSIDAD DE CAMPO ELECTRICO, EN EL AREA DE LOS ELECTRODOS (6) PUNTIFORMES; DE UNA VENTANA ACUSTICA (5) EN FORMA DE HOJA DELGADA O LAMINA, QUE RECIBE LAS DIFERENCIASDE PRESION ENTRE EL EXTERIOR Y EL INTERIOR; Y DE UN LIQUIDO ADECUADO, POR EJEMPLO AGUA O ACEITE DE SILICONA, QUE ESTA PRESENTE ENTRE LA VENTANA (5) Y LA LAMINA U HOJA (4).
ES519647A 1982-02-11 1983-02-09 Un dispositivo de examen ultrasonico. Granted ES519647A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823204829 DE3204829A1 (de) 1982-02-11 1982-02-11 Anordnung zur untersuchung mit ultraschall

Publications (2)

Publication Number Publication Date
ES8400862A1 true ES8400862A1 (es) 1983-11-16
ES519647A0 ES519647A0 (es) 1983-11-16

Family

ID=6155426

Family Applications (1)

Application Number Title Priority Date Filing Date
ES519647A Granted ES519647A0 (es) 1982-02-11 1983-02-09 Un dispositivo de examen ultrasonico.

Country Status (6)

Country Link
EP (1) EP0086531B1 (es)
JP (1) JPS58147644A (es)
CA (1) CA1206587A (es)
DE (2) DE3204829A1 (es)
ES (1) ES519647A0 (es)
IL (1) IL67859A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3437976A1 (de) * 1984-10-17 1986-04-17 Dornier System Gmbh, 7990 Friedrichshafen Stosswellensensor
DE3545381C2 (de) * 1985-12-20 1994-02-24 Siemens Ag Ultraschallwandler zur Messung der Schalleistung eines fokussierten Ultraschallfeldes
EP0255636B1 (de) * 1986-07-30 1990-04-25 Siemens Aktiengesellschaft Sensor für akustische Stosswellenimpulse
DE3761731D1 (de) * 1986-11-04 1990-03-29 Siemens Ag Ultraschall-sensor.
JP3158809B2 (ja) * 1993-09-28 2001-04-23 株式会社村田製作所 超音波センサ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3778756A (en) * 1972-09-01 1973-12-11 Gen Electric Method and apparatus for visual imaging of ultrasonic echo signals utilizing a single transmitter
DE2803168C3 (de) * 1978-01-25 1982-10-21 Friedemann Dipl.-Ing. Dr. 8069 Jetzendorf Meggl Elektromechanischer Wandler
DE2914031C2 (de) * 1979-04-06 1981-01-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ultraschallwandler

Also Published As

Publication number Publication date
JPS58147644A (ja) 1983-09-02
EP0086531B1 (de) 1987-05-20
EP0086531A1 (de) 1983-08-24
IL67859A (en) 1987-03-31
DE3371692D1 (en) 1987-06-25
IL67859A0 (en) 1983-06-15
DE3204829A1 (de) 1983-08-18
ES519647A0 (es) 1983-11-16
JPH0221746B2 (es) 1990-05-16
CA1206587A (en) 1986-06-24

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