DE3062506D1 - An improved electro-acoustic transducer element - Google Patents

An improved electro-acoustic transducer element

Info

Publication number
DE3062506D1
DE3062506D1 DE8080102277T DE3062506T DE3062506D1 DE 3062506 D1 DE3062506 D1 DE 3062506D1 DE 8080102277 T DE8080102277 T DE 8080102277T DE 3062506 T DE3062506 T DE 3062506T DE 3062506 D1 DE3062506 D1 DE 3062506D1
Authority
DE
Germany
Prior art keywords
acoustic transducer
transducer element
improved electro
electro
improved
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
Application number
DE8080102277T
Other languages
English (en)
Inventor
Hiroji Ohigashi
Toshiharu Nakanishi
Miyo Suzuki
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 JP5247579A external-priority patent/JPS5923678B2/ja
Priority claimed from JP6378979A external-priority patent/JPS5923679B2/ja
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Application granted granted Critical
Publication of DE3062506D1 publication Critical patent/DE3062506D1/de
Expired 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
    • 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF
DE8080102277T 1979-05-01 1980-04-27 An improved electro-acoustic transducer element Expired DE3062506D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5247579A JPS5923678B2 (ja) 1979-05-01 1979-05-01 超音波トランスデュ−サ
JP6378979A JPS5923679B2 (ja) 1979-05-25 1979-05-25 超音波トランスデュ−サ

Publications (1)

Publication Number Publication Date
DE3062506D1 true DE3062506D1 (en) 1983-05-05

Family

ID=26393076

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080102277T Expired DE3062506D1 (en) 1979-05-01 1980-04-27 An improved electro-acoustic transducer element

Country Status (4)

Country Link
US (1) US4383194A (de)
EP (1) EP0018614B1 (de)
AU (1) AU547016B2 (de)
DE (1) DE3062506D1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5781799A (en) * 1980-11-10 1982-05-21 Murata Mfg Co Ltd Piezo-electric speaker
FR2503517A1 (fr) * 1981-04-06 1982-10-08 Thomson Csf Transducteur piezo-electrique
FR2531298B1 (fr) * 1982-07-30 1986-06-27 Thomson Csf Transducteur du type demi-onde a element actif en polymere piezoelectrique
JPS5959000A (ja) * 1982-09-28 1984-04-04 Toshiba Corp 凹面型超音波探触子及びその製造方法
FR2546703B1 (fr) * 1983-05-27 1986-07-25 Labo Electronique Physique Nouvelle structure de transducteur ultrasonore
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
US4494841A (en) * 1983-09-12 1985-01-22 Eastman Kodak Company Acoustic transducers for acoustic position sensing apparatus
GB8325861D0 (en) * 1983-09-28 1983-11-02 Syrinx Presicion Instr Ltd Force transducer
US4601210A (en) * 1984-05-01 1986-07-22 Manning Technologies, Inc. Flowmeter with radial vibrational mode for ultrasonic waves
JPS612376A (ja) * 1984-06-14 1986-01-08 Ngk Spark Plug Co Ltd シ−ト状圧電体
JPS61144565A (ja) * 1984-12-18 1986-07-02 Toshiba Corp 高分子圧電型超音波探触子
JPS61194999A (ja) * 1985-02-23 1986-08-29 Terumo Corp 超音波探触子
NL8501908A (nl) * 1985-07-03 1987-02-02 Tno Tastsensor.
US4698541A (en) * 1985-07-15 1987-10-06 Mcdonnell Douglas Corporation Broad band acoustic transducer
EP0212352B1 (de) * 1985-08-09 1989-09-27 Siemens Aktiengesellschaft Ultraschallgenerator
DE8611844U1 (de) * 1986-04-30 1986-08-07 Siemens AG, 1000 Berlin und 8000 München Ultraschall-Applikator mit einer Anpassungsschicht
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
US4769571A (en) * 1987-08-28 1988-09-06 The Institue Of Paper Chemistry Ultrasonic transducer
JPH0512740Y2 (de) * 1988-01-11 1993-04-02
US5065761A (en) * 1989-07-12 1991-11-19 Diasonics, Inc. Lithotripsy system
US4945898A (en) * 1989-07-12 1990-08-07 Diasonics, Inc. Power supply
US5166573A (en) * 1989-09-26 1992-11-24 Atochem North America, Inc. Ultrasonic contact transducer and array
US5089741A (en) * 1990-07-19 1992-02-18 Atochem North America, Inc. Piezofilm impact detector with pyro effect elimination
US5161126A (en) * 1991-05-29 1992-11-03 Eastman Kodak Company Acoustic flute web edge sensor
US5233261A (en) * 1991-12-23 1993-08-03 Leybold Inficon Inc. Buffered quartz crystal
GB9225898D0 (en) * 1992-12-11 1993-02-03 Univ Strathclyde Ultrasonic transducer
US5389848A (en) * 1993-01-15 1995-02-14 General Electric Company Hybrid ultrasonic transducer
US5608692A (en) * 1994-02-08 1997-03-04 The Whitaker Corporation Multi-layer polymer electroacoustic transducer assembly
US5777230A (en) * 1995-02-23 1998-07-07 Defelsko Corporation Delay line for an ultrasonic probe and method of using same
DE19527018C1 (de) * 1995-07-24 1997-02-20 Siemens Ag Ultraschallwandler
US6087198A (en) * 1998-02-12 2000-07-11 Texas Instruments Incorporated Low cost packaging for thin-film resonators and thin-film resonator-based filters
US5936150A (en) * 1998-04-13 1999-08-10 Rockwell Science Center, Llc Thin film resonant chemical sensor with resonant acoustic isolator
CA2332158C (en) * 2000-03-07 2004-09-14 Matsushita Electric Industrial Co., Ltd. Ultrasonic probe
US6717335B2 (en) * 2000-11-27 2004-04-06 Murata Manufacturing Co., Ltd. Composite vibration device
DE10321701B4 (de) * 2002-05-24 2009-06-10 Murata Manufacturing Co., Ltd., Nagaokakyo Längsgekoppelte piezoelektrische Multi-Mode-Volumenwellenfiltervorrichtung, längsgekoppelter piezoelektrischer Multi-Mode-Volumenwellenfilter und elektronische Komponente
US20050107700A1 (en) * 2003-11-14 2005-05-19 Morris Steven T. Thin film ultrasonic transmitter
US8264126B2 (en) * 2009-09-01 2012-09-11 Measurement Specialties, Inc. Multilayer acoustic impedance converter for ultrasonic transducers
JP6552644B2 (ja) 2015-05-11 2019-07-31 メジャメント スペシャリティーズ， インコーポレイテッド 金属性保護構造を有する超音波トランスデューサのためのインピーダンス整合層
WO2020048977A1 (en) * 2018-09-06 2020-03-12 Abb Schweiz Ag Transducer for non-invasive measurement
CN114263082B (zh) * 2021-11-17 2023-04-07 温州大学 一种道路升温装置以及道路压电能量采集器现场空气极化系统和现场空气极化方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277435A (en) * 1963-02-18 1966-10-04 John H Thompson Deck velocity ultrasonic hydrophones
JPS5123439B2 (de) * 1971-11-05 1976-07-16
JPS5718641B2 (de) * 1973-07-17 1982-04-17
JPS5431825B2 (de) * 1973-08-08 1979-10-09
GB1515287A (en) * 1974-05-30 1978-06-21 Plessey Co Ltd Piezoelectric transducers
AT353506B (de) * 1976-10-19 1979-11-26 List Hans Piezoelektrischer resonator
AU5637080A (en) * 1979-03-13 1980-09-18 Toray Industries, Inc. Electro-acoustic transducer element

Also Published As

Publication number Publication date
EP0018614B1 (de) 1983-03-30
US4383194A (en) 1983-05-10
AU5779780A (en) 1980-11-06
EP0018614A1 (de) 1980-11-12
AU547016B2 (en) 1985-10-03

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee