DE3067783D1 - Acoustic transducer - Google Patents
Acoustic transducerInfo
- Publication number
- DE3067783D1 DE3067783D1 DE8080107438T DE3067783T DE3067783D1 DE 3067783 D1 DE3067783 D1 DE 3067783D1 DE 8080107438 T DE8080107438 T DE 8080107438T DE 3067783 T DE3067783 T DE 3067783T DE 3067783 D1 DE3067783 D1 DE 3067783D1
- Authority
- DE
- Germany
- 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.)
- Expired
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8080107438T DE3067783D1 (en) | 1979-12-19 | 1980-11-27 | Acoustic transducer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2951075A DE2951075C2 (de) | 1979-12-19 | 1979-12-19 | Akustischer Wandler mit piezoelektrischem Element |
DE8080107438T DE3067783D1 (en) | 1979-12-19 | 1980-11-27 | Acoustic transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3067783D1 true DE3067783D1 (en) | 1984-06-14 |
Family
ID=6088896
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2951075A Expired DE2951075C2 (de) | 1979-12-19 | 1979-12-19 | Akustischer Wandler mit piezoelektrischem Element |
DE8080107438T Expired DE3067783D1 (en) | 1979-12-19 | 1980-11-27 | Acoustic transducer |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2951075A Expired DE2951075C2 (de) | 1979-12-19 | 1979-12-19 | Akustischer Wandler mit piezoelektrischem Element |
Country Status (5)
Country | Link |
---|---|
US (1) | US4430593A (de) |
EP (1) | EP0031049B1 (de) |
JP (2) | JPS5698651A (de) |
AT (1) | ATE7429T1 (de) |
DE (2) | DE2951075C2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3219447A1 (de) * | 1982-05-24 | 1983-11-24 | Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach | Koppelmedium zur akustischen ankopplung bei hohen temperaturen und verfahren zu seiner anwendung |
US4556813A (en) * | 1983-10-17 | 1985-12-03 | Joseph Baumoel | Cast metal sonic transducer housing |
JPS6199860A (ja) * | 1984-10-19 | 1986-05-17 | Tokyo Keiki Co Ltd | 超音波探触子 |
US4728844A (en) * | 1985-03-23 | 1988-03-01 | Cogent Limited | Piezoelectric transducer and components therefor |
SE455538B (sv) * | 1985-12-06 | 1988-07-18 | Tekniska Roentgencentralen Ab | Ultraljudssond for provning av ett slitsat eller halforsett materialstycke |
GB2225426B (en) * | 1988-09-29 | 1993-05-26 | Michael John Gill | A transducer |
ATE174445T1 (de) * | 1992-09-28 | 1998-12-15 | Siemens Ag | Ultraschall-wandleranordnung mit einer akustischen anpassungsschicht |
JP3926448B2 (ja) * | 1997-12-01 | 2007-06-06 | 株式会社日立メディコ | 超音波探触子及びこれを用いた超音波診断装置 |
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 (de) * | 2006-03-14 | 2007-09-20 | Endress + Hauser Flowtec Ag | Vorrichtung zur Bestimmung und/oder Überwachung des Volumen- oder des Massedurchflusses eines Mediums in einer Rohrleitung |
US20080195003A1 (en) * | 2007-02-08 | 2008-08-14 | Sliwa John W | High intensity focused ultrasound transducer with acoustic lens |
DE102007042663A1 (de) * | 2007-09-10 | 2009-03-12 | Krohne Ag | Ultraschallsonde |
US9078063B2 (en) | 2012-08-10 | 2015-07-07 | Knowles Electronics, Llc | Microphone assembly with barrier to prevent contaminant infiltration |
WO2014156236A1 (ja) * | 2013-03-29 | 2014-10-02 | 富士フイルム株式会社 | 穿刺針用超音波プローブ、およびそれを用いる超音波診断装置 |
FR3016045B1 (fr) * | 2014-01-02 | 2017-09-29 | Aircelle Sa | Dispositif et ensemble pour le controle non-destructif d’une piece composite, et procede de controle non-destructif d’une piece composite par ultrasons en transmission |
GB2573305A (en) * | 2018-05-01 | 2019-11-06 | Tribosonics Ltd | An ultrasonic transducer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE533571A (de) * | 1954-10-27 | |||
US3325781A (en) * | 1966-07-07 | 1967-06-13 | Branson Instr | Dual transducer probe for ultrasonic testing |
FR2097451A5 (de) * | 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 |
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 |
-
1979
- 1979-12-19 DE DE2951075A patent/DE2951075C2/de not_active Expired
-
1980
- 1980-11-27 AT AT80107438T patent/ATE7429T1/de not_active IP Right Cessation
- 1980-11-27 EP EP80107438A patent/EP0031049B1/de not_active Expired
- 1980-11-27 DE DE8080107438T patent/DE3067783D1/de not_active Expired
- 1980-12-17 US US06/217,408 patent/US4430593A/en not_active Expired - Fee Related
- 1980-12-18 JP JP18030280A patent/JPS5698651A/ja active Pending
-
1988
- 1988-10-07 JP JP1988131718U patent/JPH0167562U/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0031049A2 (de) | 1981-07-01 |
EP0031049A3 (en) | 1981-07-15 |
EP0031049B1 (de) | 1984-05-09 |
ATE7429T1 (de) | 1984-05-15 |
US4430593A (en) | 1984-02-07 |
JPH0167562U (de) | 1989-05-01 |
JPS5698651A (en) | 1981-08-08 |
DE2951075A1 (de) | 1981-07-02 |
DE2951075C2 (de) | 1982-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |