EP0031049A3 - Acoustic transducer - Google Patents

Acoustic transducer Download PDF

Info

Publication number
EP0031049A3
EP0031049A3 EP80107438A EP80107438A EP0031049A3 EP 0031049 A3 EP0031049 A3 EP 0031049A3 EP 80107438 A EP80107438 A EP 80107438A EP 80107438 A EP80107438 A EP 80107438A EP 0031049 A3 EP0031049 A3 EP 0031049A3
Authority
EP
European Patent Office
Prior art keywords
acoustic transducer
piezo
electric element
lead section
high specific
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
EP80107438A
Other languages
German (de)
Other versions
EP0031049A2 (en
EP0031049B1 (en
Inventor
Christian Gohlert
Peter Kanngiesser
Hansjakob Weiss
Werner Wilke
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.)
Interatom T GmbH
Original Assignee
Interatom Internationale Atomreaktorbau GmbH
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 Interatom Internationale Atomreaktorbau GmbH filed Critical Interatom Internationale Atomreaktorbau GmbH
Priority to AT80107438T priority Critical patent/ATE7429T1/en
Publication of EP0031049A2 publication Critical patent/EP0031049A2/en
Publication of EP0031049A3 publication Critical patent/EP0031049A3/en
Application granted granted Critical
Publication of EP0031049B1 publication Critical patent/EP0031049B1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Surgical Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)

Abstract

Acoustic transducer having a piezo-electric element, including a lead section connected to the piezo-electric element, the lead section being in the form of a metallic body having a high specific attenuation.
EP80107438A 1979-12-19 1980-11-27 Acoustic transducer Expired EP0031049B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80107438T ATE7429T1 (en) 1979-12-19 1980-11-27 ACOUSTIC TRANSDUCER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2951075 1979-12-19
DE2951075A DE2951075C2 (en) 1979-12-19 1979-12-19 Acoustic transducer with a piezoelectric element

Publications (3)

Publication Number Publication Date
EP0031049A2 EP0031049A2 (en) 1981-07-01
EP0031049A3 true EP0031049A3 (en) 1981-07-15
EP0031049B1 EP0031049B1 (en) 1984-05-09

Family

ID=6088896

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80107438A Expired EP0031049B1 (en) 1979-12-19 1980-11-27 Acoustic transducer

Country Status (5)

Country Link
US (1) US4430593A (en)
EP (1) EP0031049B1 (en)
JP (2) JPS5698651A (en)
AT (1) ATE7429T1 (en)
DE (2) DE2951075C2 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3219447A1 (en) * 1982-05-24 1983-11-24 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach COUPLING MEDIUM FOR ACOUSTIC CONNECTION AT HIGH TEMPERATURES AND METHOD FOR ITS APPLICATION
US4556813A (en) * 1983-10-17 1985-12-03 Joseph Baumoel Cast metal sonic transducer housing
JPS6199860A (en) * 1984-10-19 1986-05-17 Tokyo Keiki Co Ltd Ultrasonic probe
US4728844A (en) * 1985-03-23 1988-03-01 Cogent Limited Piezoelectric transducer and components therefor
SE455538B (en) * 1985-12-06 1988-07-18 Tekniska Roentgencentralen Ab Ultrasonic probe for testing a slotted or semi-finished piece of material
GB2225426B (en) * 1988-09-29 1993-05-26 Michael John Gill A transducer
EP0590176B1 (en) * 1992-09-28 1998-12-09 Siemens Aktiengesellschaft Ultrasonic transducer arrangement with acoustic matching layer
JP3926448B2 (en) * 1997-12-01 2007-06-06 株式会社日立メディコ Ultrasonic probe and ultrasonic diagnostic apparatus using the same
AUPQ615000A0 (en) * 2000-03-09 2000-03-30 Tele-Ip Limited Acoustic sounding
US6788620B2 (en) * 2002-05-15 2004-09-07 Matsushita Electric Ind Co Ltd Acoustic matching member, ultrasound transducer, ultrasonic flowmeter and method for manufacturing the same
DE102006012114A1 (en) * 2006-03-14 2007-09-20 Endress + Hauser Flowtec Ag Device for determining and / or monitoring the volume or mass flow of a medium in a pipeline
US20080195003A1 (en) * 2007-02-08 2008-08-14 Sliwa John W High intensity focused ultrasound transducer with acoustic lens
DE102007042663A1 (en) * 2007-09-10 2009-03-12 Krohne Ag ultrasound probe
US9078063B2 (en) 2012-08-10 2015-07-07 Knowles Electronics, Llc Microphone assembly with barrier to prevent contaminant infiltration
JP6001161B2 (en) * 2013-03-29 2016-10-05 富士フイルム株式会社 Ultrasonic probe for puncture needle and ultrasonic diagnostic apparatus using the same
FR3016045B1 (en) * 2014-01-02 2017-09-29 Aircelle Sa DEVICE AND ASSEMBLY FOR NON-DESTRUCTIVE CONTROL OF A COMPOSITE WORKPIECE, AND NON-DESTRUCTIVE CONTROL METHOD OF ULTRASOUND COMPOSITE WORKPIECE IN TRANSMISSION
GB2573305A (en) * 2018-05-01 2019-11-06 Tribosonics Ltd An ultrasonic transducer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1176103A (en) * 1954-10-27 1959-04-07 J U H Krautkramer Dr Device intended to reduce disturbing parasitic echoes in the non-destructive testing of parts using the ultrasonic pulse process
DE1648361A1 (en) * 1966-07-07 1972-01-13 Branson Instr Double transducer probe for ultrasound examinations
FR2097451A5 (en) * 1970-07-07 1972-03-03 Commissariat Energie Atomique
US3663842A (en) * 1970-09-14 1972-05-16 North American Rockwell Elastomeric graded acoustic impedance coupling device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989965A (en) * 1973-07-27 1976-11-02 Westinghouse Electric Corporation Acoustic transducer with damping means
US3973152A (en) * 1975-04-03 1976-08-03 The United States Of America As Represented By The United States Energy Research And Development Administration Ultrasonic transducer with laminated coupling wedge
JPS51140782A (en) * 1975-05-30 1976-12-03 Yokogawa Hewlett Packard Ltd Wide band ultrasonic senser and manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1176103A (en) * 1954-10-27 1959-04-07 J U H Krautkramer Dr Device intended to reduce disturbing parasitic echoes in the non-destructive testing of parts using the ultrasonic pulse process
DE1648361A1 (en) * 1966-07-07 1972-01-13 Branson Instr Double transducer probe for ultrasound examinations
FR2097451A5 (en) * 1970-07-07 1972-03-03 Commissariat Energie Atomique
US3663842A (en) * 1970-09-14 1972-05-16 North American Rockwell Elastomeric graded acoustic impedance coupling device

Also Published As

Publication number Publication date
US4430593A (en) 1984-02-07
JPH0167562U (en) 1989-05-01
DE3067783D1 (en) 1984-06-14
ATE7429T1 (en) 1984-05-15
EP0031049A2 (en) 1981-07-01
DE2951075C2 (en) 1982-04-15
JPS5698651A (en) 1981-08-08
DE2951075A1 (en) 1981-07-02
EP0031049B1 (en) 1984-05-09

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