DE69109923D1 - Ultraschallwandleranordnung. - Google Patents

Ultraschallwandleranordnung.

Info

Publication number
DE69109923D1
DE69109923D1 DE69109923T DE69109923T DE69109923D1 DE 69109923 D1 DE69109923 D1 DE 69109923D1 DE 69109923 T DE69109923 T DE 69109923T DE 69109923 T DE69109923 T DE 69109923T DE 69109923 D1 DE69109923 D1 DE 69109923D1
Authority
DE
Germany
Prior art keywords
ultrasonic transducer
transducer arrangement
arrangement
ultrasonic
transducer
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
DE69109923T
Other languages
English (en)
Other versions
DE69109923T2 (de
Inventor
Shiroh Saitoh
Mamoru Izumi
Syuzi Suzuki
Shinichi Hashimoto
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE69109923D1 publication Critical patent/DE69109923D1/de
Publication of DE69109923T2 publication Critical patent/DE69109923T2/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
    • B06B1/0614—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 for generating several frequencies
    • 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
    • B06B1/064—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 with multiple active layers
DE69109923T 1990-03-28 1991-03-25 Ultraschallwandleranordnung. Expired - Fee Related DE69109923T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7661790 1990-03-28

Publications (2)

Publication Number Publication Date
DE69109923D1 true DE69109923D1 (de) 1995-06-29
DE69109923T2 DE69109923T2 (de) 1995-11-16

Family

ID=13610313

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69109923T Expired - Fee Related DE69109923T2 (de) 1990-03-28 1991-03-25 Ultraschallwandleranordnung.

Country Status (4)

Country Link
US (1) US5163436A (de)
EP (1) EP0451984B1 (de)
JP (1) JP3015481B2 (de)
DE (1) DE69109923T2 (de)

Families Citing this family (127)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139024C1 (de) * 1991-11-27 1993-04-15 Siemens Ag, 8000 Muenchen, De
US5666953A (en) * 1993-01-10 1997-09-16 Wilk; Peter J. System and associated method for providing information for use in forming medical diagnosis
US7497828B1 (en) 1992-01-10 2009-03-03 Wilk Ultrasound Of Canada, Inc. Ultrasonic medical device and associated method
US5871446A (en) * 1992-01-10 1999-02-16 Wilk; Peter J. Ultrasonic medical system and associated method
US6023632A (en) 1997-07-16 2000-02-08 Wilk; Peter J. Ultrasonic medical system and associated method
US5744898A (en) * 1992-05-14 1998-04-28 Duke University Ultrasound transducer array with transmitter/receiver integrated circuitry
US5410205A (en) * 1993-02-11 1995-04-25 Hewlett-Packard Company Ultrasonic transducer having two or more resonance frequencies
US5381385A (en) * 1993-08-04 1995-01-10 Hewlett-Packard Company Electrical interconnect for multilayer transducer elements of a two-dimensional transducer array
US5792058A (en) * 1993-09-07 1998-08-11 Acuson Corporation Broadband phased array transducer with wide bandwidth, high sensitivity and reduced cross-talk and method for manufacture thereof
CA2139151A1 (en) * 1994-01-14 1995-07-15 Amin M. Hanafy Two-dimensional acoustic array and method for the manufacture thereof
FR2722358B1 (fr) * 1994-07-08 1996-08-14 Thomson Csf Transducteur acoustique multifrequences a larges bandes
US5724976A (en) * 1994-12-28 1998-03-10 Kabushiki Kaisha Toshiba Ultrasound imaging preferable to ultrasound contrast echography
JP3405840B2 (ja) * 1995-01-09 2003-05-12 株式会社東芝 超音波プローブ及びこれを用いた超音波診断装置
US5834687A (en) * 1995-06-07 1998-11-10 Acuson Corporation Coupling of acoustic window and lens for medical ultrasound transducers
US5655538A (en) 1995-06-19 1997-08-12 General Electric Company Ultrasonic phased array transducer with an ultralow impedance backfill and a method for making
US5638822A (en) * 1995-06-30 1997-06-17 Hewlett-Packard Company Hybrid piezoelectric for ultrasonic probes
US5657295A (en) * 1995-11-29 1997-08-12 Acuson Corporation Ultrasonic transducer with adjustable elevational aperture and methods for using same
DE19609443C1 (de) * 1996-03-11 1997-05-22 Siemens Ag Ultraschallwandleranordnung mit bipolaren Wandlerelementen
US5757727A (en) * 1996-04-24 1998-05-26 Acuson Corporation Two-dimensional acoustic array and method for the manufacture thereof
US5957851A (en) * 1996-06-10 1999-09-28 Acuson Corporation Extended bandwidth ultrasonic transducer
DE19635593C1 (de) * 1996-09-02 1998-04-23 Siemens Ag Ultraschallwandler für den diagnostischen und therapeutischen Einsatz
DE19733233C1 (de) * 1997-08-01 1998-09-17 Wolf Gmbh Richard Elektroakustischer Wandler
US6319201B1 (en) 1997-10-15 2001-11-20 Peter J. Wilk Imaging device and associated method
US6723063B1 (en) 1998-06-29 2004-04-20 Ekos Corporation Sheath for use with an ultrasound element
US6582392B1 (en) 1998-05-01 2003-06-24 Ekos Corporation Ultrasound assembly for use with a catheter
US5920972A (en) * 1997-06-27 1999-07-13 Siemens Medical Systems, Inc. Interconnection method for a multilayer transducer array
US6049159A (en) * 1997-10-06 2000-04-11 Albatros Technologies, Inc. Wideband acoustic transducer
US6050943A (en) 1997-10-14 2000-04-18 Guided Therapy Systems, Inc. Imaging, therapy, and temperature monitoring ultrasonic system
US6541896B1 (en) * 1997-12-29 2003-04-01 General Electric Company Method for manufacturing combined acoustic backing and interconnect module for ultrasonic array
US6121718A (en) * 1998-03-31 2000-09-19 Acuson Corporation Multilayer transducer assembly and the method for the manufacture thereof
US6106463A (en) * 1998-04-20 2000-08-22 Wilk; Peter J. Medical imaging device and associated method including flexible display
US6416478B1 (en) 1998-05-05 2002-07-09 Acuson Corporation Extended bandwidth ultrasonic transducer and method
US6057632A (en) * 1998-06-09 2000-05-02 Acuson Corporation Frequency and bandwidth controlled ultrasound transducer
US6320300B1 (en) * 1998-09-03 2001-11-20 Lucent Technologies Inc. Piezoelectric array devices
US6007490A (en) * 1998-11-25 1999-12-28 Atl Ultrasound, Inc. Ultrasonic probe with disconnectable transducer
US6552471B1 (en) * 1999-01-28 2003-04-22 Parallel Design, Inc. Multi-piezoelectric layer ultrasonic transducer for medical imaging
US6139499A (en) * 1999-02-22 2000-10-31 Wilk; Peter J. Ultrasonic medical system and associated method
DE19928765A1 (de) * 1999-06-23 2001-01-11 Siemens Ag Ultraschallwandleranordnung und Verfahren zur Ultraschallprüfung
US7288069B2 (en) * 2000-02-07 2007-10-30 Kabushiki Kaisha Toshiba Ultrasonic probe and method of manufacturing the same
US6409667B1 (en) * 2000-02-23 2002-06-25 Acuson Corporation Medical diagnostic ultrasound transducer system and method for harmonic imaging
US6517484B1 (en) 2000-02-28 2003-02-11 Wilk Patent Development Corporation Ultrasonic imaging system and associated method
CA2332158C (en) * 2000-03-07 2004-09-14 Matsushita Electric Industrial Co., Ltd. Ultrasonic probe
US6822374B1 (en) * 2000-11-15 2004-11-23 General Electric Company Multilayer piezoelectric structure with uniform electric field
US6596239B2 (en) 2000-12-12 2003-07-22 Edc Biosystems, Inc. Acoustically mediated fluid transfer methods and uses thereof
US7914453B2 (en) 2000-12-28 2011-03-29 Ardent Sound, Inc. Visual imaging system for ultrasonic probe
EP1396172A2 (de) * 2001-01-05 2004-03-10 ANGELSEN, Bjorn A. J. Breitbandwandler
WO2002056666A2 (en) * 2001-01-19 2002-07-25 Angelsen Bjoern A J A method of detecting ultrasound contrast agent in soft tissue, and quantitating blood perfusion through regions of tissue
US6429574B1 (en) 2001-02-28 2002-08-06 Acuson Corporation Transducer array using multi-layered elements having an even number of elements and a method of manufacture thereof
US6664717B1 (en) 2001-02-28 2003-12-16 Acuson Corporation Multi-dimensional transducer array and method with air separation
US6761688B1 (en) 2001-02-28 2004-07-13 Siemens Medical Solutions Usa, Inc. Multi-layered transducer array and method having identical layers
US7344501B1 (en) * 2001-02-28 2008-03-18 Siemens Medical Solutions Usa, Inc. Multi-layered transducer array and method for bonding and isolating
US6437487B1 (en) 2001-02-28 2002-08-20 Acuson Corporation Transducer array using multi-layered elements and a method of manufacture thereof
DE60225795T2 (de) * 2001-04-25 2009-04-16 Philips Intellectual Property & Standards Gmbh Anordnung mit zwei piezoelektrischen schichten und verfahren zum betreiben einer filtereinrichtung
JP3914002B2 (ja) * 2001-04-26 2007-05-16 日本電波工業株式会社 超音波探触子
WO2003017720A1 (fr) * 2001-08-16 2003-02-27 Tayca Corporation Oscillateur piezo-electrique a couches multiples
US6540683B1 (en) 2001-09-14 2003-04-01 Gregory Sharat Lin Dual-frequency ultrasonic array transducer and method of harmonic imaging
US6976639B2 (en) 2001-10-29 2005-12-20 Edc Biosystems, Inc. Apparatus and method for droplet steering
US6925856B1 (en) 2001-11-07 2005-08-09 Edc Biosystems, Inc. Non-contact techniques for measuring viscosity and surface tension information of a liquid
AU2002359576A1 (en) 2001-12-03 2003-06-17 Ekos Corporation Catheter with multiple ultrasound radiating members
US7285094B2 (en) 2002-01-30 2007-10-23 Nohara Timothy J 3D ultrasonic imaging apparatus and method
US8226629B1 (en) 2002-04-01 2012-07-24 Ekos Corporation Ultrasonic catheter power control
US7396332B2 (en) * 2002-06-10 2008-07-08 Scimed Life Systems, Inc. Transducer with multiple resonant frequencies for an imaging catheter
US7429359B2 (en) 2002-12-19 2008-09-30 Edc Biosystems, Inc. Source and target management system for high throughput transfer of liquids
US7275807B2 (en) 2002-11-27 2007-10-02 Edc Biosystems, Inc. Wave guide with isolated coupling interface
EP1713537A4 (de) 2004-01-29 2009-04-29 Ekos Corp Verfahren und vorrichtung zur erfassung von gefässbedingten erkrankungen mit einem katheter
US7914454B2 (en) * 2004-06-25 2011-03-29 Wilk Ultrasound Of Canada, Inc. Real-time 3D ultrasonic imaging apparatus and method
US7393325B2 (en) 2004-09-16 2008-07-01 Guided Therapy Systems, L.L.C. Method and system for ultrasound treatment with a multi-directional transducer
US9011336B2 (en) 2004-09-16 2015-04-21 Guided Therapy Systems, Llc Method and system for combined energy therapy profile
US7824348B2 (en) 2004-09-16 2010-11-02 Guided Therapy Systems, L.L.C. System and method for variable depth ultrasound treatment
US8444562B2 (en) 2004-10-06 2013-05-21 Guided Therapy Systems, Llc System and method for treating muscle, tendon, ligament and cartilage tissue
US7530958B2 (en) * 2004-09-24 2009-05-12 Guided Therapy Systems, Inc. Method and system for combined ultrasound treatment
US8535228B2 (en) 2004-10-06 2013-09-17 Guided Therapy Systems, Llc Method and system for noninvasive face lifts and deep tissue tightening
US10864385B2 (en) 2004-09-24 2020-12-15 Guided Therapy Systems, Llc Rejuvenating skin by heating tissue for cosmetic treatment of the face and body
US11235179B2 (en) 2004-10-06 2022-02-01 Guided Therapy Systems, Llc Energy based skin gland treatment
US20060111744A1 (en) 2004-10-13 2006-05-25 Guided Therapy Systems, L.L.C. Method and system for treatment of sweat glands
US11883688B2 (en) 2004-10-06 2024-01-30 Guided Therapy Systems, Llc Energy based fat reduction
US9827449B2 (en) 2004-10-06 2017-11-28 Guided Therapy Systems, L.L.C. Systems for treating skin laxity
US9694212B2 (en) 2004-10-06 2017-07-04 Guided Therapy Systems, Llc Method and system for ultrasound treatment of skin
US8690778B2 (en) 2004-10-06 2014-04-08 Guided Therapy Systems, Llc Energy-based tissue tightening
US7758524B2 (en) 2004-10-06 2010-07-20 Guided Therapy Systems, L.L.C. Method and system for ultra-high frequency ultrasound treatment
EP3682946A1 (de) 2004-10-06 2020-07-22 Guided Therapy Systems, L.L.C. System zur nichtinvasiven gewebebehandlung
US8133180B2 (en) 2004-10-06 2012-03-13 Guided Therapy Systems, L.L.C. Method and system for treating cellulite
JP2008522642A (ja) 2004-10-06 2008-07-03 ガイデッド セラピー システムズ， エル．エル．シー． 美容強化のための方法およびシステム
US11724133B2 (en) 2004-10-07 2023-08-15 Guided Therapy Systems, Llc Ultrasound probe for treatment of skin
US11207548B2 (en) 2004-10-07 2021-12-28 Guided Therapy Systems, L.L.C. Ultrasound probe for treating skin laxity
KR100722370B1 (ko) * 2005-02-22 2007-05-29 주식회사 휴먼스캔 적층형 초음파 탐촉자 및 이의 제조방법
EP1875327A2 (de) 2005-04-25 2008-01-09 Guided Therapy Systems, L.L.C. Verfahren und system zum verbessern der computerperipheriesicherheit
US20070265560A1 (en) 2006-04-24 2007-11-15 Ekos Corporation Ultrasound Therapy System
US9566454B2 (en) 2006-09-18 2017-02-14 Guided Therapy Systems, Llc Method and sysem for non-ablative acne treatment and prevention
US10182833B2 (en) 2007-01-08 2019-01-22 Ekos Corporation Power parameters for ultrasonic catheter
EP2526880A3 (de) 2007-01-08 2013-02-20 Ekos Corporation Leistungsparameter für einen Ultraschallkatheter
US20150174388A1 (en) 2007-05-07 2015-06-25 Guided Therapy Systems, Llc Methods and Systems for Ultrasound Assisted Delivery of a Medicant to Tissue
JP2010526589A (ja) 2007-05-07 2010-08-05 ガイデッド セラピー システムズ， エル．エル．シー． 音響エネルギーを使用してメディカントを調節するための方法およびシステム
ES2471118T3 (es) 2007-06-22 2014-06-25 Ekos Corporation Método y aparato para el tratamiento de hemorragias intracraneales
KR102479936B1 (ko) 2008-06-06 2022-12-22 얼테라, 인크 초음파 치료 시스템
WO2010075547A2 (en) * 2008-12-24 2010-07-01 Guided Therapy Systems, Llc Methods and systems for fat reduction and/or cellulite treatment
EP2448636B1 (de) 2009-07-03 2014-06-18 Ekos Corporation Leistungsparameter für einen ultraschallkatheter
KR101107154B1 (ko) * 2009-09-03 2012-01-31 한국표준과학연구원 초음파 탐상장치의 멀티 탐촉자 유닛
US8715186B2 (en) 2009-11-24 2014-05-06 Guided Therapy Systems, Llc Methods and systems for generating thermal bubbles for improved ultrasound imaging and therapy
US8740835B2 (en) 2010-02-17 2014-06-03 Ekos Corporation Treatment of vascular occlusions using ultrasonic energy and microbubbles
JP5560855B2 (ja) * 2010-03-31 2014-07-30 コニカミノルタ株式会社 超音波トランスデューサおよび超音波診断装置
US9375754B2 (en) 2010-03-31 2016-06-28 Konica Minolta Medical & Graphic, Inc. Laminated piezoelectric body, laminated piezoelectric body manufacturing method, and ultrasound transducer and ultrasound diagnostic device using laminated piezoelectric body
US9504446B2 (en) 2010-08-02 2016-11-29 Guided Therapy Systems, Llc Systems and methods for coupling an ultrasound source to tissue
US9149658B2 (en) 2010-08-02 2015-10-06 Guided Therapy Systems, Llc Systems and methods for ultrasound treatment
EP2608730B1 (de) 2010-08-27 2019-07-24 Ekos Corporation Vorrichtung zur behandlung intrakranialer blutungen
US8857438B2 (en) 2010-11-08 2014-10-14 Ulthera, Inc. Devices and methods for acoustic shielding
GB2486680A (en) 2010-12-22 2012-06-27 Morgan Electro Ceramics Ltd Ultrasonic or acoustic transducer that supports two or more frequencies
JP6010306B2 (ja) * 2011-03-10 2016-10-19 富士フイルム株式会社 光音響計測装置
JP5708167B2 (ja) * 2011-04-06 2015-04-30 コニカミノルタ株式会社 超音波探触子及び超音波診断装置
US11458290B2 (en) 2011-05-11 2022-10-04 Ekos Corporation Ultrasound system
WO2013009784A2 (en) 2011-07-10 2013-01-17 Guided Therapy Systems, Llc Systems and method for accelerating healing of implanted material and/or native tissue
WO2013012641A1 (en) 2011-07-11 2013-01-24 Guided Therapy Systems, Llc Systems and methods for coupling an ultrasound source to tissue
JP5644729B2 (ja) * 2011-09-30 2014-12-24 コニカミノルタ株式会社 超音波振動子、超音波探触子及び超音波画像診断装置
US9263663B2 (en) 2012-04-13 2016-02-16 Ardent Sound, Inc. Method of making thick film transducer arrays
US9510802B2 (en) 2012-09-21 2016-12-06 Guided Therapy Systems, Llc Reflective ultrasound technology for dermatological treatments
CN204637350U (zh) 2013-03-08 2015-09-16 奥赛拉公司 美学成像与处理系统、多焦点处理系统和执行美容过程的系统
SG10201702432YA (en) 2013-03-14 2017-05-30 Ekos Corp Method and apparatus for drug delivery to a target site
US10561862B2 (en) 2013-03-15 2020-02-18 Guided Therapy Systems, Llc Ultrasound treatment device and methods of use
CA3177417A1 (en) 2014-04-18 2015-10-22 Ulthera, Inc. Band transducer ultrasound therapy
US10092742B2 (en) 2014-09-22 2018-10-09 Ekos Corporation Catheter system
US10656025B2 (en) 2015-06-10 2020-05-19 Ekos Corporation Ultrasound catheter
MX2018007094A (es) 2016-01-18 2018-11-09 Ulthera Inc Dispositivo de ultrasonido compacto que tiene un arreglo de ultrasonido anular perifericamente conectado electricamente a una placa de circuito impreso flexible y un metodo de montaje del mismo.
CN114631846A (zh) 2016-08-16 2022-06-17 奥赛拉公司 用于皮肤的美容超声治疗的系统和方法
US20180092621A1 (en) * 2016-09-30 2018-04-05 Robert Bosch Gmbh Single piezoelectric transmitter and receiver to detect blood velocities
CN106903037A (zh) * 2017-01-23 2017-06-30 中国科学院苏州生物医学工程技术研究所 超声换能器、超声阵列探头和超声成像系统
JP6933082B2 (ja) 2017-10-19 2021-09-08 コニカミノルタ株式会社 超音波トランスデューサーおよび超音波診断装置
WO2019164836A1 (en) 2018-02-20 2019-08-29 Ulthera, Inc. Systems and methods for combined cosmetic treatment of cellulite with ultrasound

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5353393A (en) * 1976-10-25 1978-05-15 Matsushita Electric Ind Co Ltd Ultrasonic probe
US4145931A (en) * 1978-01-03 1979-03-27 Raytheon Company Fresnel focussed imaging system
US4211948A (en) * 1978-11-08 1980-07-08 General Electric Company Front surface matched piezoelectric ultrasonic transducer array with wide field of view
US4240003A (en) * 1979-03-12 1980-12-16 Hewlett-Packard Company Apparatus and method for suppressing mass/spring mode in acoustic imaging transducers
US4277711A (en) * 1979-10-11 1981-07-07 Hewlett-Packard Company Acoustic electric transducer with shield of controlled thickness
US4385255A (en) * 1979-11-02 1983-05-24 Yokogawa Electric Works, Ltd. Linear array ultrasonic transducer
JPS5728500A (en) * 1980-07-29 1982-02-16 Kureha Chem Ind Co Ltd Ultrasonic wave transducer
JPS5863300A (ja) * 1981-10-12 1983-04-15 Keisuke Honda マルチ周波数振動子
JPS6098799A (ja) * 1983-11-02 1985-06-01 Olympus Optical Co Ltd 積層型超音波トランスデユ−サ
JPS60100950A (ja) * 1983-11-09 1985-06-04 松下電器産業株式会社 超音波探触子
DE3683509D1 (de) * 1985-02-08 1992-03-05 Matsushita Electric Ind Co Ltd Ultraschallwandler.
US4803763A (en) * 1986-08-28 1989-02-14 Nippon Soken, Inc. Method of making a laminated piezoelectric transducer

Also Published As

Publication number Publication date
JPH04211600A (ja) 1992-08-03
EP0451984B1 (de) 1995-05-24
DE69109923T2 (de) 1995-11-16
EP0451984A3 (en) 1992-07-22
US5163436A (en) 1992-11-17
JP3015481B2 (ja) 2000-03-06
EP0451984A2 (de) 1991-10-16

Similar Documents

Publication Publication Date Title
DE69109923T2 (de) Ultraschallwandleranordnung.
DE59108268D1 (de) Ultraschallwandler
DE69020104T2 (de) Ultraschallwandler.
DE69231456D1 (de) Ultraschallwandleranordnung
DE69114357T2 (de) Ultraschallwandler mit verringerter gegenseitiger Beeinflussung.
DE68914268T2 (de) Elektroakustischer Wandler.
DE69314228T2 (de) Ultraschallwandleranordnung
FR2668836B1 (fr) Transducteur acoustique de puits.
DE59308645D1 (de) Ultraschallwandler
NO891123L (no) Transduser.
DE69103819D1 (de) Elektroakustischer Unterwasserwandler.
DE9214948U1 (de) Ultraschallwandler-Anordnung
DE69300557D1 (de) Elektroakustische Wandler-Kombination.
DE68916674D1 (de) Ultraschall-Wandlersystem.
DE59104242D1 (de) Elektrodynamischer Ultraschallwandler.
DE59009477D1 (de) Elektrodynamischer Ultraschallwandler.
DE69307980D1 (de) Ultraschallwandler
DE69106411D1 (de) Piezoelektrischer Druckaufnehmer.
IT1303933B1 (it) Trasduttore elettro-acustico flessotensionale
DE59303034D1 (de) Ultraschallwandler
DE58909381D1 (de) Ultraschall-Sensor.
DE59104214D1 (de) Ultraschallsensor.
DE59004358D1 (de) Breitstrahlender ultraschallwandler.
IT8845749A0 (it) Trasduttore di posizione.
DE69106339T2 (de) Ultraschallmikroskop.

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