DE59010738D1 - Frequenzselektiver Ultraschall-Schichtwandler - Google Patents

Frequenzselektiver Ultraschall-Schichtwandler

Info

Publication number
DE59010738D1
DE59010738D1 DE59010738T DE59010738T DE59010738D1 DE 59010738 D1 DE59010738 D1 DE 59010738D1 DE 59010738 T DE59010738 T DE 59010738T DE 59010738 T DE59010738 T DE 59010738T DE 59010738 D1 DE59010738 D1 DE 59010738D1
Authority
DE
Germany
Prior art keywords
frequency
piezoceramic
platelet
ultrasonic transducer
selective
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
DE59010738T
Other languages
English (en)
Inventor
Hans-Joachim Burger
Rudolf Dipl Phys Thurn
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
Application granted granted Critical
Publication of DE59010738D1 publication Critical patent/DE59010738D1/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
    • B06B1/0644—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 a single piezoelectric element
    • B06B1/0662—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 a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/067—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 a single piezoelectric element with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Burglar Alarm Systems (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE59010738T 1990-04-09 1990-04-09 Frequenzselektiver Ultraschall-Schichtwandler Expired - Fee Related DE59010738D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90106773A EP0451306B1 (de) 1990-04-09 1990-04-09 Frequenzselektiver Ultraschall-Schichtwandler

Publications (1)

Publication Number Publication Date
DE59010738D1 true DE59010738D1 (de) 1997-08-21

Family

ID=8203872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59010738T Expired - Fee Related DE59010738D1 (de) 1990-04-09 1990-04-09 Frequenzselektiver Ultraschall-Schichtwandler

Country Status (5)

Country Link
US (1) US5457353A (de)
EP (1) EP0451306B1 (de)
JP (1) JPH04227399A (de)
AT (1) ATE155601T1 (de)
DE (1) DE59010738D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2282297B (en) * 1993-09-23 1998-03-11 Holroyd Instr Ltd Improved resonant acoustic emission transducer
JP3416648B2 (ja) * 1997-08-23 2003-06-16 フラウンホーフアー−ゲゼルシヤフト・ツウル・フエルデルンク・デル・アンゲバンテン・フオルシユンク・エー・フアウ 音響トランスデューサー
CN1666568A (zh) * 2001-01-05 2005-09-07 比约恩·A·J·安杰尔森 宽带换能器
JP2003036483A (ja) * 2001-07-25 2003-02-07 Iwata Electric:Kk 警報信号出力装置
US6540683B1 (en) 2001-09-14 2003-04-01 Gregory Sharat Lin Dual-frequency ultrasonic array transducer and method of harmonic imaging
US7259499B2 (en) 2004-12-23 2007-08-21 Askew Andy R Piezoelectric bimorph actuator and method of manufacturing thereof
TWI268179B (en) * 2005-04-12 2006-12-11 Ind Tech Res Inst Improved structure of atomizing nozzle the plate can be vibrated by the vibrator element to compress the fluid, so that the fluid is jet from the perforations in form of tiny particle
CN101111098B (zh) * 2007-08-31 2011-09-21 陕西师范大学 夹心式径向振动压电陶瓷超声换能器
DE102010029283A1 (de) * 2010-05-25 2011-12-01 Robert Bosch Gmbh Ultraschallwandler zum Einsatz in einem fluiden Medium
CN102179361B (zh) * 2011-01-04 2013-02-27 瑞声声学科技(深圳)有限公司 超声换能器的制作方法
KR102668557B1 (ko) 2019-03-29 2024-05-22 엘지디스플레이 주식회사 표시 패널 및 이를 포함하는 표시 장치
CN113504307B (zh) * 2021-09-10 2021-12-21 西南石油大学 一种多频率岩心声速测量装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3191913A (en) * 1961-05-22 1965-06-29 Hal C Mettler Ultrasonic unit
US3457463A (en) * 1965-07-07 1969-07-22 Lewis Balamuth Method and apparatus for generating electric currents of small magnitude
US3484741A (en) * 1968-03-27 1969-12-16 Us Navy Shock wave sensor
US3846779A (en) * 1972-08-28 1974-11-05 Galloway C Ultrasonic transducer
US3863250A (en) * 1973-01-30 1975-01-28 Jr Arthur Mccluskey Glass breakage detector
US3861773A (en) * 1973-06-29 1975-01-21 Gen Electric Wire terminal for aluminum wire
US3939467A (en) * 1974-04-08 1976-02-17 The United States Of America As Represented By The Secretary Of The Navy Transducer
US4048454A (en) * 1974-12-02 1977-09-13 Barcus Lester M Sonic transducer employing rigid radiating member
US4413331A (en) * 1976-04-26 1983-11-01 Westinghouse Electric Corp. Broad beam transducer
CH594943A5 (de) * 1976-09-09 1978-01-31 Spirig Ernst
AT353506B (de) * 1976-10-19 1979-11-26 List Hans Piezoelektrischer resonator
GB1580253A (en) * 1977-02-21 1980-11-26 Australasian Training Aids Pty Firing range
US4114063A (en) * 1977-04-27 1978-09-12 Westinghouse Electric Corp. Piezoelectric sediment particle transport detector
DE2842086B2 (de) * 1978-09-27 1980-10-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektroakustischer Wandler mit hohem Wirkungsgrad
JPS5832559B2 (ja) * 1979-07-04 1983-07-13 株式会社 モリタ製作所 空中超音波パルスの伝送方式並びにこれに用いる超音波送受波具
DE3232177A1 (de) * 1982-08-30 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
EP0128049B1 (de) * 1983-06-07 1990-09-12 Matsushita Electric Industrial Co., Ltd. Ultraschallsende mit einem absorbierenden Träger
FR2551611B1 (fr) * 1983-08-31 1986-10-24 Labo Electronique Physique Nouvelle structure de transducteur ultrasonore et appareil d'examen de milieux par echographie ultrasonore comprenant une telle structure
US4536673A (en) * 1984-01-09 1985-08-20 Siemens Aktiengesellschaft Piezoelectric ultrasonic converter with polyurethane foam damper
DE3409789A1 (de) * 1984-03-16 1985-09-26 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer luft-ultraschallwandler mit breitbandcharakteristik
US4656384A (en) * 1984-10-25 1987-04-07 Siemens Aktiengesellschaft Ultrasonic detection sensor in hybrid structure with appertaining electronic circuit
DE3446183A1 (de) * 1984-12-18 1986-06-26 Siemens AG, 1000 Berlin und 8000 München Piezoelektrischer wandler
US4837558A (en) * 1987-10-13 1989-06-06 Sentrol, Inc. Glass break detector
US4963782A (en) * 1988-10-03 1990-10-16 Ausonics Pty. Ltd. Multifrequency composite ultrasonic transducer system
US5196755A (en) * 1992-04-27 1993-03-23 Shields F Douglas Piezoelectric panel speaker

Also Published As

Publication number Publication date
JPH04227399A (ja) 1992-08-17
US5457353A (en) 1995-10-10
EP0451306A1 (de) 1991-10-16
EP0451306B1 (de) 1997-07-16
ATE155601T1 (de) 1997-08-15

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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