EP0154706A3 - Piezoelectric air-ultrasound transducer with broadband characteristics - Google Patents

Piezoelectric air-ultrasound transducer with broadband characteristics Download PDF

Info

Publication number
EP0154706A3
EP0154706A3 EP84115390A EP84115390A EP0154706A3 EP 0154706 A3 EP0154706 A3 EP 0154706A3 EP 84115390 A EP84115390 A EP 84115390A EP 84115390 A EP84115390 A EP 84115390A EP 0154706 A3 EP0154706 A3 EP 0154706A3
Authority
EP
European Patent Office
Prior art keywords
ultrasound transducer
broadband characteristics
piezoelectric air
piezoelectric
air
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
EP84115390A
Other languages
English (en)
Other versions
EP0154706B1 (de
EP0154706A2 (de
Inventor
Peter Dipl.-Phys Kleinschmidt
Valentin Dipl.-Phys. Magori
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0154706A2 publication Critical patent/EP0154706A2/de
Publication of EP0154706A3 publication Critical patent/EP0154706A3/de
Application granted granted Critical
Publication of EP0154706B1 publication Critical patent/EP0154706B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
EP84115390A 1984-03-16 1984-12-13 Piezoelektrischer Luft-Ultraschallwandler mit Breitbandcharakteristik Expired - Lifetime EP0154706B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843409789 DE3409789A1 (de) 1984-03-16 1984-03-16 Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik
DE3409789 1984-03-16

Publications (3)

Publication Number Publication Date
EP0154706A2 EP0154706A2 (de) 1985-09-18
EP0154706A3 true EP0154706A3 (en) 1987-04-01
EP0154706B1 EP0154706B1 (de) 1990-03-21

Family

ID=6230775

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84115390A Expired - Lifetime EP0154706B1 (de) 1984-03-16 1984-12-13 Piezoelektrischer Luft-Ultraschallwandler mit Breitbandcharakteristik

Country Status (4)

Country Link
US (1) US4677337A (de)
EP (1) EP0154706B1 (de)
JP (1) JPS60236600A (de)
DE (3) DE3409789A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488952A (en) * 1982-02-24 1996-02-06 Schoolman Scientific Corp. Stereoscopically display three dimensional ultrasound imaging
ATE66543T1 (de) * 1984-10-15 1991-09-15 Edo Western Corp Flexible piezoelektrische wandleranordnung.
US4864179A (en) * 1986-10-10 1989-09-05 Edo Corporation, Western Division Two-dimensional piezoelectric transducer assembly
US4833360A (en) * 1987-05-15 1989-05-23 Board Of Regents The University Of Texas System Sonar system using acoustically transparent continuous aperture transducers for multiple beam beamformation
US4914565A (en) * 1987-05-22 1990-04-03 Siemens Aktiengesellschaft Piezo-electric transducer having electrodes that adhere well both to ceramic as well as to plastics
US4985926A (en) * 1988-02-29 1991-01-15 Motorola, Inc. High impedance piezoelectric transducer
DE3920663A1 (de) * 1989-06-23 1991-01-10 Siemens Ag Breitstrahlender ultraschallwandler
DE59010738D1 (de) * 1990-04-09 1997-08-21 Siemens Ag Frequenzselektiver Ultraschall-Schichtwandler
US5852589A (en) * 1990-07-19 1998-12-22 Raytheon Company Low cost composite transducer
GB9224292D0 (en) * 1992-11-19 1993-02-17 Flow Research Evaluation Diagn Sonar transducers
US6225728B1 (en) * 1994-08-18 2001-05-01 Agilent Technologies, Inc. Composite piezoelectric transducer arrays with improved acoustical and electrical impedance
US20030036746A1 (en) 2001-08-16 2003-02-20 Avi Penner Devices for intrabody delivery of molecules and systems and methods utilizing same
US6255761B1 (en) * 1999-10-04 2001-07-03 The United States Of America As Represented By The Secretary Of The Navy Shaped piezoelectric composite transducer
JP3449345B2 (ja) * 2000-08-11 2003-09-22 株式会社村田製作所 センサアレイおよび送受信装置
US7489967B2 (en) * 2004-07-09 2009-02-10 Cardiac Pacemakers, Inc. Method and apparatus of acoustic communication for implantable medical device
CA2589268A1 (en) * 2004-11-24 2006-06-01 Abraham Penner Implantable medical device with integrated acoustic transducer
US7522962B1 (en) 2004-12-03 2009-04-21 Remon Medical Technologies, Ltd Implantable medical device with integrated acoustic transducer
US7615012B2 (en) * 2005-08-26 2009-11-10 Cardiac Pacemakers, Inc. Broadband acoustic sensor for an implantable medical device
US7570998B2 (en) * 2005-08-26 2009-08-04 Cardiac Pacemakers, Inc. Acoustic communication transducer in implantable medical device header
WO2008011577A2 (en) * 2006-07-21 2008-01-24 Cardiac Pacemakers, Inc. Ultrasonic transducer for a metallic cavity implanted medical device
US7912548B2 (en) * 2006-07-21 2011-03-22 Cardiac Pacemakers, Inc. Resonant structures for implantable devices
US8825161B1 (en) 2007-05-17 2014-09-02 Cardiac Pacemakers, Inc. Acoustic transducer for an implantable medical device
EP2162185B1 (de) * 2007-06-14 2015-07-01 Cardiac Pacemakers, Inc. Aus mehreren elementen bestehendes akustisches wiederaufladesystem
GB0813014D0 (en) * 2008-07-16 2008-08-20 Groveley Detection Ltd Detector and methods of detecting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829361A (en) * 1945-10-01 1958-04-01 Gen Electric Electroacoustic transducer
US3353150A (en) * 1965-10-22 1967-11-14 Atlantic Res Corp Foam-filled transducer
US3907062A (en) * 1973-12-17 1975-09-23 Us Navy Compliant blanket acoustic baffle
DE2842086A1 (de) * 1978-09-27 1980-04-03 Siemens Ag Elektroakustischer wandler mit hohem wirkungsgrad

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408028A (en) * 1934-01-19 1946-09-24 Submarine Signal Co Means for sending and receiving compressional waves
US2943297A (en) * 1950-04-27 1960-06-28 Raymond L Steinberger Multiple element electroacoustic transducer
US3409869A (en) * 1965-07-21 1968-11-05 Navy Usa Deep submergence acoustic transducer array construction
US3924259A (en) * 1974-05-15 1975-12-02 Raytheon Co Array of multicellular transducers
US4122725A (en) * 1976-06-16 1978-10-31 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Length mode piezoelectric ultrasonic transducer for inspection of solid objects
JPS5339771A (en) * 1976-09-24 1978-04-11 Nec Corp Water pressure resisting transmitter and receelver
JPS5353393A (en) * 1976-10-25 1978-05-15 Matsushita Electric Ind Co Ltd Ultrasonic probe
US4376302A (en) * 1978-04-13 1983-03-08 The United States Of America As Represented By The Secretary Of The Navy Piezoelectric polymer hydrophone
DE2829539C2 (de) * 1978-07-05 1980-01-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung von Ultraschallköpfen
US4233477A (en) * 1979-01-31 1980-11-11 The United States Of America As Represented By The Secretary Of The Navy Flexible, shapeable, composite acoustic transducer
JPS56161799A (en) * 1980-05-15 1981-12-12 Matsushita Electric Ind Co Ltd Ultrasonic wave probe
US4366406A (en) * 1981-03-30 1982-12-28 General Electric Company Ultrasonic transducer for single frequency applications
US4518889A (en) * 1982-09-22 1985-05-21 North American Philips Corporation Piezoelectric apodized ultrasound transducers
US4550606A (en) * 1982-09-28 1985-11-05 Cornell Research Foundation, Inc. Ultrasonic transducer array with controlled excitation pattern
US4514247A (en) * 1983-08-15 1985-04-30 North American Philips Corporation Method for fabricating composite transducers

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829361A (en) * 1945-10-01 1958-04-01 Gen Electric Electroacoustic transducer
US3353150A (en) * 1965-10-22 1967-11-14 Atlantic Res Corp Foam-filled transducer
US3907062A (en) * 1973-12-17 1975-09-23 Us Navy Compliant blanket acoustic baffle
DE2842086A1 (de) * 1978-09-27 1980-04-03 Siemens Ag Elektroakustischer wandler mit hohem wirkungsgrad

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NAVY TECHNICAL DISCLOSURE BULLETIN, Band 5, Nr. 1, Januar 1980, Seiten 3-6, Arlington, US; G.R. DOUGLAS et al.: "Improved sonar transducer element" *

Also Published As

Publication number Publication date
US4677337A (en) 1987-06-30
DE3409789A1 (de) 1985-09-26
JPH0458760B2 (de) 1992-09-18
DE3481741D1 (de) 1990-04-26
JPS60236600A (ja) 1985-11-25
EP0154706B1 (de) 1990-03-21
DE8408180U1 (de) 1986-07-17
EP0154706A2 (de) 1985-09-18

Similar Documents

Publication Publication Date Title
EP0154706A3 (en) Piezoelectric air-ultrasound transducer with broadband characteristics
GB2163833B (en) Electric-pressure transducer
EP0186096A3 (en) Polymeric piezoelectric ultrasonic probe
GB2162718B (en) Electro-vibration transducer
GB8501262D0 (en) Piezoelectric ultrasonic transducer
EP0169727A3 (en) Broadband radial vibrator transducer
GB2158945B (en) Capacitive transducer
GB8524186D0 (en) Transducer
GB8321068D0 (en) Piezoelectric transducer
GB8530288D0 (en) Magnetostrictive transducers
GB2162314B (en) Transducer
GB2155732B (en) Stress wave transducer
IL75246A (en) Ultrasonic transducer arrangement
GB2190495B (en) Ultrasonic transducer assembly
AU7307887A (en) Piezoelectric transducer
DE3562540D1 (en) Piezoelectric resonator
GB8607092D0 (en) Piezoelectric transducer
GB2104283B (en) Piezoelectric transducer
GB2169068B (en) Piezoelectric gas-lighter
GB8406161D0 (en) Transducer
GB8321811D0 (en) Piezo resistive transducer
GB2153627B (en) Piezoelectric electroacoustic transducer
AU5049885A (en) Variflux vibration transducer
GB2154058B (en) Piezoelectric resonator
GB2158638B (en) Piezoelectric device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19841221

AK Designated contracting states

Designated state(s): CH DE FR GB IT LI SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): CH DE FR GB IT LI SE

17Q First examination report despatched

Effective date: 19881121

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): CH DE FR GB IT LI SE

REF Corresponds to:

Ref document number: 3481741

Country of ref document: DE

Date of ref document: 19900426

ET Fr: translation filed
ITF It: translation for a ep patent filed

Owner name: STUDIO JAUMANN

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
ITTA It: last paid annual fee
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
EAL Se: european patent in force in sweden

Ref document number: 84115390.1

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19951221

Year of fee payment: 12

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19961214

EUG Se: european patent has lapsed

Ref document number: 84115390.1

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19971113

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19971219

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19980316

Year of fee payment: 14

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981213

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981231

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19981231

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19990219

Year of fee payment: 15

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19981213

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990831

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20001003