DE69307980D1 - Ultraschallwandler - Google Patents

Ultraschallwandler

Info

Publication number
DE69307980D1
DE69307980D1 DE69307980T DE69307980T DE69307980D1 DE 69307980 D1 DE69307980 D1 DE 69307980D1 DE 69307980 T DE69307980 T DE 69307980T DE 69307980 T DE69307980 T DE 69307980T DE 69307980 D1 DE69307980 D1 DE 69307980D1
Authority
DE
Germany
Prior art keywords
ultrasonic transducer
transducer
ultrasonic
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 - Fee Related
Application number
DE69307980T
Other languages
English (en)
Other versions
DE69307980T2 (de
Inventor
Yoshihiko Ishida
Makoto Tani
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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
Priority claimed from GB929219887A external-priority patent/GB9219887D0/en
Application filed by NGK Insulators Ltd filed Critical NGK Insulators Ltd
Application granted granted Critical
Publication of DE69307980D1 publication Critical patent/DE69307980D1/de
Publication of DE69307980T2 publication Critical patent/DE69307980T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B06B1/0611—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 in a pile

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE69307980T 1992-09-21 1993-09-20 Ultraschallwandler Expired - Fee Related DE69307980T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929219887A GB9219887D0 (en) 1992-09-21 1992-09-21 Ultrasonic transducers
JP7257993A JPH06105395A (ja) 1992-09-21 1993-03-30 積層型超音波トランスデューサ

Publications (2)

Publication Number Publication Date
DE69307980D1 true DE69307980D1 (de) 1997-03-20
DE69307980T2 DE69307980T2 (de) 1997-07-10

Family

ID=26301653

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69307980T Expired - Fee Related DE69307980T2 (de) 1992-09-21 1993-09-20 Ultraschallwandler

Country Status (4)

Country Link
US (1) US5446333A (de)
EP (1) EP0589648B1 (de)
CA (1) CA2106549A1 (de)
DE (1) DE69307980T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5957851A (en) * 1996-06-10 1999-09-28 Acuson Corporation Extended bandwidth ultrasonic transducer
DE19742688C1 (de) * 1997-09-26 1999-03-18 Siemens Ag Verfahren zur Herstellung eines Stapelaktors und Stapelaktor
US6416478B1 (en) 1998-05-05 2002-07-09 Acuson Corporation Extended bandwidth ultrasonic transducer and method
US6561031B2 (en) 1999-12-03 2003-05-13 Dew Engineering And Development Limited Prodder with force feedback
US6409667B1 (en) 2000-02-23 2002-06-25 Acuson Corporation Medical diagnostic ultrasound transducer system and method for harmonic imaging
US6829522B1 (en) 2000-04-19 2004-12-07 Ford Global Technologies, Llc Portable advisory system for balancing airflows in paint booth
US6502059B1 (en) * 2000-04-28 2002-12-31 Ford Global Technologies, Inc. Method of determining waveform stability for pulse echo layer thickness transducer
US6701193B1 (en) 2000-08-18 2004-03-02 Ford Motor Company Method of adaptively controlling paint system
DE102004002133A1 (de) * 2004-01-15 2005-08-04 Robert Bosch Gmbh Piezoelektrischer Aktor
US7713199B2 (en) * 2005-07-28 2010-05-11 Siemens Medical Solutions Usa, Inc. Medical diagnostic ultrasound transducer system for harmonics
US20120163131A1 (en) * 2010-12-22 2012-06-28 Sondex Limited Mono-directional Ultrasound Transducer for Borehole Imaging
US8817575B1 (en) * 2011-09-29 2014-08-26 The United States Of America As Represented By The Secretary Of The Navy Transducer for high pressure environment
CN104644219B (zh) * 2015-02-16 2017-02-22 天津大学 基于声电效应的功率密度成像方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR505703A (fr) * 1918-09-17 1920-08-05 Paul Langevin Procédé et appareils d'émission et de réception des ondes élastiques sous-marines à l'aide des propriétés piézo-électriques du quartz
US2427348A (en) * 1941-08-19 1947-09-16 Bell Telephone Labor Inc Piezoelectric vibrator
US3846649A (en) * 1973-06-18 1974-11-05 Rca Corp Piezoelectric transducer comprising oriented zinc oxide film and method of manufacture
US4096756A (en) * 1977-07-05 1978-06-27 Rca Corporation Variable acoustic wave energy transfer-characteristic control device
US4195244A (en) * 1978-07-26 1980-03-25 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration CdS Solid state phase insensitive ultrasonic transducer
DE2914031C2 (de) * 1979-04-06 1981-01-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ultraschallwandler
NL7904924A (nl) * 1979-06-25 1980-12-30 Philips Nv Akoestische transducent.
JPS5863300A (ja) * 1981-10-12 1983-04-15 Keisuke Honda マルチ周波数振動子
US4427912A (en) * 1982-05-13 1984-01-24 Ausonics Pty. Ltd. Ultrasound transducer for enhancing signal reception in ultrasound equipment
JPS5999900A (ja) * 1982-11-29 1984-06-08 Toshiba Corp 超音波探触子
US4692653A (en) * 1984-03-23 1987-09-08 Hitachi, Ltd. Acoustic transducers utilizing ZnO thin film
FR2581821B1 (fr) * 1985-05-10 1988-10-07 France Etat Armement Procede pour utiliser un transducteur piezo-electrique de type tonpilz alternativement comme emetteur et comme recepteur a large bande et transducteurs piezo-electriques
GB2201318B (en) * 1987-02-12 1990-10-24 Udi Group Ltd Electromechanical transducer
US5166573A (en) * 1989-09-26 1992-11-24 Atochem North America, Inc. Ultrasonic contact transducer and array

Also Published As

Publication number Publication date
CA2106549A1 (en) 1994-03-22
EP0589648A1 (de) 1994-03-30
US5446333A (en) 1995-08-29
DE69307980T2 (de) 1997-07-10
EP0589648B1 (de) 1997-02-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee