EP0421286A3 - Piezoelectric transducer - Google Patents
Piezoelectric transducer Download PDFInfo
- Publication number
- EP0421286A3 EP0421286A3 EP19900118633 EP90118633A EP0421286A3 EP 0421286 A3 EP0421286 A3 EP 0421286A3 EP 19900118633 EP19900118633 EP 19900118633 EP 90118633 A EP90118633 A EP 90118633A EP 0421286 A3 EP0421286 A3 EP 0421286A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- piezoelectric transducer
- piezoelectric
- transducer
- 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
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
- B06B1/0607—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 using multiple elements
- B06B1/0622—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 using multiple elements on one surface
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3932959A DE3932959C1 (en) | 1989-10-03 | 1989-10-03 | |
DE3932959 | 1989-10-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0421286A2 EP0421286A2 (en) | 1991-04-10 |
EP0421286A3 true EP0421286A3 (en) | 1992-06-03 |
EP0421286B1 EP0421286B1 (en) | 1994-11-09 |
Family
ID=6390734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90118633A Expired - Lifetime EP0421286B1 (en) | 1989-10-03 | 1990-09-28 | Piezoelectric transducer |
Country Status (3)
Country | Link |
---|---|
US (1) | US5111805A (en) |
EP (1) | EP0421286B1 (en) |
DE (2) | DE3932959C1 (en) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE465552B (en) * | 1989-03-21 | 1991-09-30 | Hans Wiksell | DEVICE FOR SUBDIVISION OF CONCRETE IN THE BODY OF A PATIENT |
DE3932967A1 (en) * | 1989-10-03 | 1991-04-11 | Wolf Gmbh Richard | ULTRASONIC SHOCK WAVE CONVERTER |
DE4000362C2 (en) * | 1990-01-09 | 1993-11-11 | Wolf Gmbh Richard | Ultrasonic transducer with piezoelectric transducer elements |
DE4117638A1 (en) * | 1990-05-30 | 1991-12-05 | Toshiba Kawasaki Kk | SHOCK WAVE GENERATOR WITH A PIEZOELECTRIC ELEMENT |
DE4307669C2 (en) * | 1993-03-11 | 1995-06-29 | Wolf Gmbh Richard | Device for generating sound pulses for medical applications |
US5438998A (en) * | 1993-09-07 | 1995-08-08 | Acuson Corporation | Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof |
US5415175A (en) * | 1993-09-07 | 1995-05-16 | Acuson Corporation | Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof |
US5743855A (en) * | 1995-03-03 | 1998-04-28 | Acuson Corporation | Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof |
DE4336149A1 (en) * | 1993-10-22 | 1995-04-27 | Siemens Ag | Ultrasonic transducer which is composed of a multiplicity of transducer elements |
US5371483A (en) * | 1993-12-20 | 1994-12-06 | Bhardwaj; Mahesh C. | High intensity guided ultrasound source |
FI95781C (en) * | 1994-04-19 | 1996-03-25 | Outokumpu Mintec Oy | Method and apparatus for cleaning the filter medium in a suction dryer |
DE19507478C1 (en) * | 1995-03-03 | 1996-05-15 | Siemens Ag | Therapy device for treatment with focused ultrasound |
US5713371A (en) * | 1995-07-07 | 1998-02-03 | Sherman; Dani | Method of monitoring cervical dilatation during labor, and ultrasound transducer particularly useful in such method |
DE19543741C1 (en) * | 1995-11-24 | 1997-05-22 | Wolf Gmbh Richard | Electroacoustic transducer generating focussed sound waves for lithotripsy |
DE19624443C2 (en) * | 1996-06-19 | 1998-05-14 | Wolf Gmbh Richard | Electroacoustic transducer |
US6669655B1 (en) * | 1999-10-20 | 2003-12-30 | Transurgical, Inc. | Sonic element and catheter incorporating same |
DE19954020C2 (en) * | 1999-11-10 | 2002-02-28 | Fraunhofer Ges Forschung | Method of manufacturing a piezoelectric transducer |
US6571444B2 (en) * | 2001-03-20 | 2003-06-03 | Vermon | Method of manufacturing an ultrasonic transducer |
US7867178B2 (en) * | 2003-02-26 | 2011-01-11 | Sanuwave, Inc. | Apparatus for generating shock waves with piezoelectric fibers integrated in a composite |
DE10340624B4 (en) * | 2003-09-03 | 2005-08-18 | Siemens Ag | Shock wave source for generating a focused shockwave |
US7302744B1 (en) | 2005-02-18 | 2007-12-04 | The United States Of America Represented By The Secretary Of The Navy | Method of fabricating an acoustic transducer array |
US20070239082A1 (en) * | 2006-01-27 | 2007-10-11 | General Patent, Llc | Shock Wave Treatment Device |
EP2092916A1 (en) * | 2008-02-19 | 2009-08-26 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | A method of treating an ocular pathology by applying high intensity focused ultrasound and device thereof |
US7709997B2 (en) * | 2008-03-13 | 2010-05-04 | Ultrashape Ltd. | Multi-element piezoelectric transducers |
DE102009049487B4 (en) * | 2009-10-15 | 2015-05-13 | Richard Wolf Gmbh | Electroacoustic transducer |
US9833373B2 (en) | 2010-08-27 | 2017-12-05 | Les Solutions Médicales Soundbite Inc. | Mechanical wave generator and method thereof |
US9261442B2 (en) | 2011-12-01 | 2016-02-16 | Microbrightfield, Inc. | Acoustic pressure wave/shock wave mediated processing of biological tissue, and systems, apparatuses, and methods therefor |
US20130340530A1 (en) * | 2012-06-20 | 2013-12-26 | General Electric Company | Ultrasonic testing device with conical array |
US9555267B2 (en) | 2014-02-17 | 2017-01-31 | Moshe Ein-Gal | Direct contact shockwave transducer |
CN109939914A (en) * | 2017-12-20 | 2019-06-28 | 深圳先进技术研究院 | A kind of composite material physics focused transducer and its manufacturing method |
CN111940098B (en) * | 2020-04-08 | 2021-11-12 | 珠海艾博罗生物技术股份有限公司 | Side-excitation ultrasonic processor and processing method |
DE102021203544A1 (en) * | 2021-04-09 | 2022-10-13 | Richard Wolf Gmbh | Electroacoustic converter |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2926182A1 (en) * | 1979-06-28 | 1981-01-22 | Siemens Ag | Ultrasonic transducer elements arrangement - sandwiches each element between matching and damping sections for coping with irregular surfaces subjected to scanning for defects |
EP0033071A1 (en) * | 1980-01-25 | 1981-08-05 | Siemens Aktiengesellschaft | Ultrasonic transducer |
EP0118837A2 (en) * | 1983-03-15 | 1984-09-19 | Siemens Aktiengesellschaft | Ultrasonic transducer |
EP0173864A1 (en) * | 1984-08-16 | 1986-03-12 | Siemens Aktiengesellschaft | Porous matching layer in an ultrasonic applicator |
EP0183236A2 (en) * | 1984-11-28 | 1986-06-04 | Wolfgang Prof. Dr. Eisenmenger | Apparatus for the contactless disintegration of concrements in the bodies of living beings |
EP0372198A2 (en) * | 1988-12-03 | 1990-06-13 | Dornier Medizintechnik Gmbh | Piezoceramic shock-wave generator |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4156863A (en) * | 1978-04-28 | 1979-05-29 | The United States Of America As Represented By The Secretary Of The Navy | Conical beam transducer array |
EP0036701B1 (en) * | 1980-03-20 | 1984-08-08 | Dec (Realisations) Limited | Stripper |
DE3040563A1 (en) * | 1980-10-28 | 1982-05-27 | Siemens AG, 1000 Berlin und 8000 München | ELECTRICALLY ACTUATED ACTUATOR |
US4539554A (en) * | 1982-10-18 | 1985-09-03 | At&T Bell Laboratories | Analog integrated circuit pressure sensor |
DE3319871A1 (en) * | 1983-06-01 | 1984-12-06 | Richard Wolf Gmbh, 7134 Knittlingen | PIEZOELECTRIC CONVERTER FOR DESTROYING CONCRETE IN THE BODY |
US4704556A (en) * | 1983-12-05 | 1987-11-03 | Leslie Kay | Transducers |
DE3425992C2 (en) * | 1984-07-14 | 1986-10-09 | Richard Wolf Gmbh, 7134 Knittlingen | Piezoelectric converter for the destruction of calculus inside the body |
DE3437488A1 (en) * | 1984-10-12 | 1986-04-17 | Richard Wolf Gmbh, 7134 Knittlingen | SOUND TRANSMITTER |
JPS61144565A (en) * | 1984-12-18 | 1986-07-02 | Toshiba Corp | High-polymer piezo-electric type ultrasonic probe |
EP0209053A3 (en) * | 1985-07-18 | 1987-09-02 | Wolfgang Prof. Dr. Eisenmenger | Method and apparatus for the non-contacting disintegration of concretions in a living body |
US4879993A (en) * | 1986-10-29 | 1989-11-14 | Siemens Aktiengesellschaft | Shock wave source for generating a short initial pressure pulse |
DE8710118U1 (en) * | 1987-07-23 | 1988-11-17 | Siemens AG, 1000 Berlin und 8000 München | Shock wave generator for a device for the contactless destruction of concretions in the body of a living being |
EP0324948A3 (en) * | 1988-01-21 | 1989-10-25 | Dornier Medizintechnik Gmbh | Concretions destruction device |
US4869768A (en) * | 1988-07-15 | 1989-09-26 | North American Philips Corp. | Ultrasonic transducer arrays made from composite piezoelectric materials |
-
1989
- 1989-10-03 DE DE3932959A patent/DE3932959C1/de not_active Expired - Lifetime
-
1990
- 1990-08-28 US US07/574,331 patent/US5111805A/en not_active Expired - Lifetime
- 1990-09-28 DE DE59007688T patent/DE59007688D1/en not_active Expired - Lifetime
- 1990-09-28 EP EP90118633A patent/EP0421286B1/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2926182A1 (en) * | 1979-06-28 | 1981-01-22 | Siemens Ag | Ultrasonic transducer elements arrangement - sandwiches each element between matching and damping sections for coping with irregular surfaces subjected to scanning for defects |
EP0033071A1 (en) * | 1980-01-25 | 1981-08-05 | Siemens Aktiengesellschaft | Ultrasonic transducer |
EP0118837A2 (en) * | 1983-03-15 | 1984-09-19 | Siemens Aktiengesellschaft | Ultrasonic transducer |
EP0173864A1 (en) * | 1984-08-16 | 1986-03-12 | Siemens Aktiengesellschaft | Porous matching layer in an ultrasonic applicator |
EP0183236A2 (en) * | 1984-11-28 | 1986-06-04 | Wolfgang Prof. Dr. Eisenmenger | Apparatus for the contactless disintegration of concrements in the bodies of living beings |
EP0372198A2 (en) * | 1988-12-03 | 1990-06-13 | Dornier Medizintechnik Gmbh | Piezoceramic shock-wave generator |
Also Published As
Publication number | Publication date |
---|---|
US5111805A (en) | 1992-05-12 |
DE3932959C1 (en) | 1991-04-11 |
DE59007688D1 (en) | 1994-12-15 |
EP0421286B1 (en) | 1994-11-09 |
EP0421286A2 (en) | 1991-04-10 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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