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DE3481741D1 - Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik. - Google Patents

Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik.

Info

Publication number
DE3481741D1
DE3481741D1 DE8484115390T DE3481741T DE3481741D1 DE 3481741 D1 DE3481741 D1 DE 3481741D1 DE 8484115390 T DE8484115390 T DE 8484115390T DE 3481741 T DE3481741 T DE 3481741T DE 3481741 D1 DE3481741 D1 DE 3481741D1
Authority
DE
Germany
Prior art keywords
ultrasonic converter
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.)
Expired - Lifetime
Application number
DE8484115390T
Other languages
English (en)
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Priority to DE8484115390T priority Critical patent/DE3481741D1/de
Application granted granted Critical
Publication of DE3481741D1 publication Critical patent/DE3481741D1/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE8484115390T 1984-03-16 1984-12-13 Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik. Expired - Lifetime DE3481741D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8484115390T DE3481741D1 (de) 1984-03-16 1984-12-13 Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik.

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
DE8484115390T DE3481741D1 (de) 1984-03-16 1984-12-13 Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik.

Publications (1)

Publication Number Publication Date
DE3481741D1 true DE3481741D1 (de) 1990-04-26

Family

ID=6230775

Family Applications (3)

Application Number Title Priority Date Filing Date
DE8408180U Expired DE8408180U1 (de) 1984-03-16 1984-03-16 Piezoelektrischer Luft-Ultraschallwandler mit Breitbandcharakteristik
DE19843409789 Withdrawn DE3409789A1 (de) 1984-03-16 1984-03-16 Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik
DE8484115390T Expired - Lifetime DE3481741D1 (de) 1984-03-16 1984-12-13 Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik.

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE8408180U Expired DE8408180U1 (de) 1984-03-16 1984-03-16 Piezoelektrischer Luft-Ultraschallwandler mit Breitbandcharakteristik
DE19843409789 Withdrawn DE3409789A1 (de) 1984-03-16 1984-03-16 Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik

Country Status (4)

Country Link
US (1) US4677337A (de)
EP (1) EP0154706B1 (de)
JP (1) JPS60236600A (de)
DE (3) DE8408180U1 (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
ATE155601T1 (de) * 1990-04-09 1997-08-15 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
WO2006056857A1 (en) * 2004-11-24 2006-06-01 Remon Medical Technologies Ltd 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
US7570998B2 (en) * 2005-08-26 2009-08-04 Cardiac Pacemakers, Inc. Acoustic communication transducer in implantable medical device header
US7615012B2 (en) * 2005-08-26 2009-11-10 Cardiac Pacemakers, Inc. Broadband acoustic sensor for an implantable medical device
US7912548B2 (en) * 2006-07-21 2011-03-22 Cardiac Pacemakers, Inc. Resonant structures for implantable devices
US7949396B2 (en) * 2006-07-21 2011-05-24 Cardiac Pacemakers, Inc. Ultrasonic transducer for a metallic cavity implated medical device
US8825161B1 (en) 2007-05-17 2014-09-02 Cardiac Pacemakers, Inc. Acoustic transducer for an implantable medical device
WO2008156981A2 (en) 2007-06-14 2008-12-24 Cardiac Pacemakers, Inc. Multi-element acoustic recharging system
GB0813014D0 (en) 2008-07-16 2008-08-20 Groveley Detection Ltd Detector and methods of detecting

Family Cites Families (19)

* 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
US2829361A (en) * 1945-10-01 1958-04-01 Gen Electric Electroacoustic transducer
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
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
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
DE2842086B2 (de) * 1978-09-27 1980-10-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektroakustischer Wandler mit hohem Wirkungsgrad
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

Also Published As

Publication number Publication date
EP0154706A3 (en) 1987-04-01
EP0154706B1 (de) 1990-03-21
DE3409789A1 (de) 1985-09-26
EP0154706A2 (de) 1985-09-18
JPS60236600A (ja) 1985-11-25
DE8408180U1 (de) 1986-07-17
US4677337A (en) 1987-06-30
JPH0458760B2 (de) 1992-09-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee