WO2007115625A3 - Elektroakustischer wandler - Google Patents

Elektroakustischer wandler Download PDF

Info

Publication number
WO2007115625A3
WO2007115625A3 PCT/EP2007/002071 EP2007002071W WO2007115625A3 WO 2007115625 A3 WO2007115625 A3 WO 2007115625A3 EP 2007002071 W EP2007002071 W EP 2007002071W WO 2007115625 A3 WO2007115625 A3 WO 2007115625A3
Authority
WO
WIPO (PCT)
Prior art keywords
electroacoustic transducer
ceramic body
electrodes
sidelobes
structured
Prior art date
Application number
PCT/EP2007/002071
Other languages
English (en)
French (fr)
Other versions
WO2007115625B1 (de
WO2007115625A2 (de
Inventor
Nils Theuerkauf
Original Assignee
Atlas Elektronik Gmbh
Nils Theuerkauf
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 Atlas Elektronik Gmbh, Nils Theuerkauf filed Critical Atlas Elektronik Gmbh
Priority to EP07711877A priority Critical patent/EP2001604B1/de
Priority to US12/226,010 priority patent/US7800284B2/en
Priority to AT07711877T priority patent/ATE530263T1/de
Publication of WO2007115625A2 publication Critical patent/WO2007115625A2/de
Publication of WO2007115625A3 publication Critical patent/WO2007115625A3/de
Publication of WO2007115625B1 publication Critical patent/WO2007115625B1/de

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
    • 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
    • B06B1/0625—Annular array

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

Bei einem elektroakustischen Wandler, insbesondere für Unterwassereinsatz, mit einem Keramikkörper (10) und einem Elektrodenpaar, dessen flächige Elektroden (11, 12) auf voneinander abgekehrten Stirnseiten (101, 102) des Keramikkörpers (10) angeordnet sind, wird zwecks effektiver Unterdrückung der Nebenpegel in der Richtcharakteristik für alle Raumrichtungen mindestens eine Elektrode (11) so strukturiert, dass die Belegungsdichte des Keramikkörpers (10) vom Körperzentrum zum Körperrand abnimmt (Figure1).
PCT/EP2007/002071 2006-04-03 2007-03-09 Elektroakustischer wandler WO2007115625A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP07711877A EP2001604B1 (de) 2006-04-03 2007-03-09 Elektroakustischer wandler
US12/226,010 US7800284B2 (en) 2006-04-03 2007-03-09 Electroacoustic transducer with annular electrodes
AT07711877T ATE530263T1 (de) 2006-04-03 2007-03-09 Elektroakustischer wandler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006015493.2 2006-04-03
DE102006015493A DE102006015493B4 (de) 2006-04-03 2006-04-03 Elektroakustischer Wandler

Publications (3)

Publication Number Publication Date
WO2007115625A2 WO2007115625A2 (de) 2007-10-18
WO2007115625A3 true WO2007115625A3 (de) 2008-04-03
WO2007115625B1 WO2007115625B1 (de) 2008-07-03

Family

ID=38474380

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/002071 WO2007115625A2 (de) 2006-04-03 2007-03-09 Elektroakustischer wandler

Country Status (5)

Country Link
US (1) US7800284B2 (de)
EP (1) EP2001604B1 (de)
AT (1) ATE530263T1 (de)
DE (1) DE102006015493B4 (de)
WO (1) WO2007115625A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0723526D0 (en) * 2007-12-03 2008-01-09 Airbus Uk Ltd Acoustic transducer
DE102010042637A1 (de) * 2010-10-19 2012-04-19 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik GmbH + Co. KG Leitfähigkeitssensor
US9363605B2 (en) * 2011-01-18 2016-06-07 Halliburton Energy Services, Inc. Focused acoustic transducer
WO2018231770A1 (en) 2017-06-12 2018-12-20 Verathon Inc. Active contour model using two-dimensional gradient vector for organ boundary detection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4801835A (en) * 1986-10-06 1989-01-31 Hitachi Medical Corp. Ultrasonic probe using piezoelectric composite material
US5250869A (en) * 1990-03-14 1993-10-05 Fujitsu Limited Ultrasonic transducer
DE10052636A1 (de) * 2000-10-24 2002-05-08 Stn Atlas Elektronik Gmbh Verfahren zur Herstellung eines Ultraschallwandlers

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967956A (en) * 1955-04-19 1961-01-10 Gulton Ind Inc Transducer
US3384767A (en) * 1964-05-11 1968-05-21 Stanford Research Inst Ultrasonic transducer
EP0068961A3 (de) * 1981-06-26 1983-02-02 Thomson-Csf Vorrichtung zur lokalen Erwärmung von biologischen Gewebe
US4518889A (en) * 1982-09-22 1985-05-21 North American Philips Corporation Piezoelectric apodized ultrasound transducers
GB8912782D0 (en) * 1989-06-02 1989-07-19 Udi Group Ltd An acoustic transducer
US5081995A (en) * 1990-01-29 1992-01-21 Mayo Foundation For Medical Education And Research Ultrasonic nondiffracting transducer
US5465725A (en) * 1993-06-15 1995-11-14 Hewlett Packard Company Ultrasonic probe
DE4428500C2 (de) * 1993-09-23 2003-04-24 Siemens Ag Ultraschallwandlerarray mit einer reduzierten Anzahl von Wandlerelementen
US5563354A (en) * 1995-04-03 1996-10-08 Force Imaging Technologies, Inc. Large area sensing cell
US5794023A (en) * 1996-05-31 1998-08-11 International Business Machines Corporation Apparatus utilizing a variably diffractive radiation element
RU2161364C2 (ru) * 1996-06-05 2000-12-27 Окатов Юрий Владимирович Пьезоэлектрический шаговый двигатель
US6775388B1 (en) * 1998-07-16 2004-08-10 Massachusetts Institute Of Technology Ultrasonic transducers
US6682214B1 (en) * 1999-09-21 2004-01-27 University Of Hawaii Acoustic wave micromixer using fresnel annular sector actuators
JP3832338B2 (ja) * 2001-12-25 2006-10-11 松下電工株式会社 電歪ポリマーアクチュエータ
US6984923B1 (en) * 2003-12-24 2006-01-10 The United States Of America As Represented By The Secretary Of The Navy Broadband and wide field of view composite transducer array
DE102005032212B3 (de) * 2005-07-09 2006-10-19 Atlas Elektronik Gmbh Unterwasserantenne

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4801835A (en) * 1986-10-06 1989-01-31 Hitachi Medical Corp. Ultrasonic probe using piezoelectric composite material
US5250869A (en) * 1990-03-14 1993-10-05 Fujitsu Limited Ultrasonic transducer
DE10052636A1 (de) * 2000-10-24 2002-05-08 Stn Atlas Elektronik Gmbh Verfahren zur Herstellung eines Ultraschallwandlers

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE COMPENDEX [online] ENGINEERING INFORMATION, INC., NEW YORK, NY, US; BILLER LAWRENCE S ET AL: "OPTIMIZATION OF RADIATION PATTERNS FOR AN ARRAY OF CONCENTRIC RING SOURCES", XP002467437, Database accession no. EIX73040004964 *
IEEE TRANS AUDIO ELECTROACOUST FEB 1973, vol. AU-21, no. 1, February 1973 (1973-02-01), pages 57 - 61 *

Also Published As

Publication number Publication date
ATE530263T1 (de) 2011-11-15
US20090174288A1 (en) 2009-07-09
DE102006015493A1 (de) 2007-10-11
WO2007115625B1 (de) 2008-07-03
US7800284B2 (en) 2010-09-21
EP2001604B1 (de) 2011-10-26
WO2007115625A2 (de) 2007-10-18
EP2001604A2 (de) 2008-12-17
DE102006015493B4 (de) 2010-12-23

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