DE69114357D1 - Ultraschallwandler mit verringerter gegenseitiger Beeinflussung. - Google Patents

Ultraschallwandler mit verringerter gegenseitiger Beeinflussung.

Info

Publication number
DE69114357D1
DE69114357D1 DE69114357T DE69114357T DE69114357D1 DE 69114357 D1 DE69114357 D1 DE 69114357D1 DE 69114357 T DE69114357 T DE 69114357T DE 69114357 T DE69114357 T DE 69114357T DE 69114357 D1 DE69114357 D1 DE 69114357D1
Authority
DE
Germany
Prior art keywords
ultrasonic transducer
mutual interference
reduced mutual
reduced
interference
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
DE69114357T
Other languages
English (en)
Other versions
DE69114357T2 (de
Inventor
Michael H Slayton
Leroy A Kopel
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.)
Acoustic Imaging Technologies Corp
Original Assignee
Acoustic Imaging Technologies 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 Acoustic Imaging Technologies Corp filed Critical Acoustic Imaging Technologies Corp
Application granted granted Critical
Publication of DE69114357D1 publication Critical patent/DE69114357D1/de
Publication of DE69114357T2 publication Critical patent/DE69114357T2/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
    • B06B1/0622—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
    • B06B1/0629—Square array
    • 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
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)
DE69114357T 1990-05-22 1991-05-10 Ultraschallwandler mit verringerter gegenseitiger Beeinflussung. Expired - Fee Related DE69114357T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52707890A 1990-05-22 1990-05-22
US07/595,970 US5175709A (en) 1990-05-22 1990-10-11 Ultrasonic transducer with reduced acoustic cross coupling

Publications (2)

Publication Number Publication Date
DE69114357D1 true DE69114357D1 (de) 1995-12-14
DE69114357T2 DE69114357T2 (de) 1997-04-24

Family

ID=27062305

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69114357T Expired - Fee Related DE69114357T2 (de) 1990-05-22 1991-05-10 Ultraschallwandler mit verringerter gegenseitiger Beeinflussung.

Country Status (4)

Country Link
US (1) US5175709A (de)
EP (1) EP0458146B1 (de)
JP (1) JPH0833099A (de)
DE (1) DE69114357T2 (de)

Families Citing this family (46)

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US5315880A (en) * 1992-08-13 1994-05-31 Henry Filters, Inc. Method for measuring fluid velocity by measuring the Doppler frequency shift or microwave signals
GB9225898D0 (en) * 1992-12-11 1993-02-03 Univ Strathclyde Ultrasonic transducer
US5335209A (en) * 1993-05-06 1994-08-02 Westinghouse Electric Corp. Acoustic sensor and projector module having an active baffle structure
US5392259A (en) * 1993-06-15 1995-02-21 Bolorforosh; Mir S. S. Micro-grooves for the design of wideband clinical ultrasonic transducers
US5460181A (en) * 1994-10-06 1995-10-24 Hewlett Packard Co. Ultrasonic transducer for three dimensional imaging
US5371717A (en) * 1993-06-15 1994-12-06 Hewlett-Packard Company Microgrooves for apodization and focussing of wideband clinical ultrasonic transducers
US5465725A (en) * 1993-06-15 1995-11-14 Hewlett Packard Company Ultrasonic probe
US5434827A (en) * 1993-06-15 1995-07-18 Hewlett-Packard Company Matching layer for front acoustic impedance matching of clinical ultrasonic tranducers
US5423319A (en) * 1994-06-15 1995-06-13 Hewlett-Packard Company Integrated impedance matching layer to acoustic boundary problems for clinical ultrasonic transducers
US5539965A (en) * 1994-06-22 1996-07-30 Rutgers, The University Of New Jersey Method for making piezoelectric composites
US5615466A (en) * 1994-06-22 1997-04-01 Rutgers University Mehtod for making piezoelectric composites
DE19500154C1 (de) * 1995-01-04 1996-10-17 Fritz Giebler Gmbh Infusionsschlauch für ein Infusionsgerät mit einem Blasendetektor
FR2736790B1 (fr) * 1995-07-10 1997-09-26 Intercontrole Sa Traducteur ultrasonore comprenant un ensemble focalisant d'elements piezoelectriques et une lentille mince de focalisation
US6229762B1 (en) * 1996-08-26 2001-05-08 The United States Of America As Represented By The Secretary Of The Navy Acoustic sensor for a point in space
US6019727A (en) * 1998-07-31 2000-02-01 Scimed Life Systems, Inc. Center conductor and PZT bonding technique
US6036647A (en) * 1998-07-31 2000-03-14 Scimed Life Systems, Inc. PZT off-aperture bonding technique
US6803003B2 (en) * 2000-12-04 2004-10-12 Advanced Ceramics Research, Inc. Compositions and methods for preparing multiple-component composite materials
US6974624B2 (en) * 2000-12-04 2005-12-13 Advanced Ceramics Research, Inc. Aligned composite structures for mitigation of impact damage and resistance to wear in dynamic environments
US6805946B2 (en) 2000-12-04 2004-10-19 Advanced Ceramics Research, Inc. Multi-functional composite structures
US6797220B2 (en) * 2000-12-04 2004-09-28 Advanced Ceramics Research, Inc. Methods for preparation of three-dimensional bodies
US6740286B2 (en) * 2000-12-04 2004-05-25 Advanced Ceramics Research, Inc. Consolidation and densification methods for fibrous monolith processing
JP3849976B2 (ja) * 2001-01-25 2006-11-22 松下電器産業株式会社 複合圧電体と超音波診断装置用超音波探触子と超音波診断装置および複合圧電体の製造方法
DE10215043A1 (de) * 2002-04-05 2003-10-23 Diehl Ako Stiftung Gmbh & Co Einrichtung zur Zustandserfassung an einer Platte oder Wand eines Haushaltsgerätes
US7806827B2 (en) * 2003-03-11 2010-10-05 General Electric Company Ultrasound breast screening device
US6918877B2 (en) * 2003-08-05 2005-07-19 Siemens Medical Solutions Usa, Inc. Method and system for reducing undesirable cross talk in diagnostic ultrasound arrays
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
EP2305124B1 (de) 2004-09-21 2012-01-25 Olympus Corporation Ultraschallwandleranordnung
DE602005025257D1 (de) * 2005-01-18 2011-01-20 Esaote Spa Ultraschallsonde, insbesondere zur diagnostischen Bilderzeugung
JP4426478B2 (ja) * 2005-02-18 2010-03-03 アロカ株式会社 超音波診断装置
US9107798B2 (en) 2006-03-09 2015-08-18 Slender Medical Ltd. Method and system for lipolysis and body contouring
US7828734B2 (en) 2006-03-09 2010-11-09 Slender Medical Ltd. Device for ultrasound monitored tissue treatment
US20090048514A1 (en) * 2006-03-09 2009-02-19 Slender Medical Ltd. Device for ultrasound monitored tissue treatment
US20100274161A1 (en) * 2007-10-15 2010-10-28 Slender Medical, Ltd. Implosion techniques for ultrasound
CN104226576A (zh) * 2013-06-18 2014-12-24 柯宜京 一种用于厚度模振动超声换能器的背衬结构体系
US10376243B2 (en) * 2013-09-27 2019-08-13 Texas Instruments Incorporated Method and apparatus for low complexity ultrasound based heart rate detection
US9411040B2 (en) * 2014-06-23 2016-08-09 Goodrich Corporation Systems and methods for acoustic windows
WO2017091212A1 (en) 2015-11-24 2017-06-01 Halliburton Energy Services, Inc. Ultrasonic transducer with suppressed lateral mode
PL3505071T3 (pl) 2017-12-28 2022-05-02 Przedsiębiorstwo Wdrożeniowo-Produkcyjne Sonomed sp. z o. o. Głowica ultradźwiękowa do urządzenia dopplerowskiego fali ciągłej i jej zastosowanie
US11199025B2 (en) 2018-12-18 2021-12-14 The Sun Lock Company Limited Combination padlock with anti-picking and decode mechanism
US11346127B2 (en) 2019-06-27 2022-05-31 The Sun Lock Company Limited Hook lock with dual locking function
US11261622B2 (en) 2019-08-28 2022-03-01 The Sun Lock Company Limited High security combination padlock with ease of use reset mechanism
USD902691S1 (en) 2019-10-01 2020-11-24 The Sun Lock Company Limited Combination padlock
USD914481S1 (en) 2019-10-15 2021-03-30 The Sun Lock Company Limited Padlock
US11713593B2 (en) 2019-12-18 2023-08-01 The Sun Lock Company Limited Hook lock with dual locking function with key captive design
GB2600208B (en) 2020-08-28 2023-08-23 Sun Lock Co Ltd Dual locking combination padlock with decode function
USD1011865S1 (en) 2022-01-05 2024-01-23 The Sun Lock Company Limited Combination padlock

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60122548A (ja) * 1983-12-05 1985-07-01 株式会社東芝 超音波診断装置
DE181506T1 (de) * 1984-10-15 1987-07-02 Edo Corp./Western Division, Salt Lake City, Utah Flexible piezoelektrische wandleranordnung.
DE3501808A1 (de) * 1985-01-21 1986-07-24 Siemens AG, 1000 Berlin und 8000 München Ultraschallwandler
DE3683509D1 (de) * 1985-02-08 1992-03-05 Matsushita Electric Ind Co Ltd Ultraschallwandler.
US4890268A (en) * 1988-12-27 1989-12-26 General Electric Company Two-dimensional phased array of ultrasonic transducers

Also Published As

Publication number Publication date
JPH0833099A (ja) 1996-02-02
EP0458146A3 (en) 1993-02-24
EP0458146B1 (de) 1995-11-08
DE69114357T2 (de) 1997-04-24
US5175709A (en) 1992-12-29
EP0458146A2 (de) 1991-11-27

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8339 Ceased/non-payment of the annual fee