EP0308899A3 - Ultraschallwandler mit astigmatischer Sende-/Empfangscharakteristik - Google Patents

Ultraschallwandler mit astigmatischer Sende-/Empfangscharakteristik Download PDF

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Publication number
EP0308899A3
EP0308899A3 EP88115485A EP88115485A EP0308899A3 EP 0308899 A3 EP0308899 A3 EP 0308899A3 EP 88115485 A EP88115485 A EP 88115485A EP 88115485 A EP88115485 A EP 88115485A EP 0308899 A3 EP0308899 A3 EP 0308899A3
Authority
EP
European Patent Office
Prior art keywords
astigmatic
transmission
ultrasonic transducer
reception characteristics
reception
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.)
Withdrawn
Application number
EP88115485A
Other languages
English (en)
French (fr)
Other versions
EP0308899A2 (de
Inventor
Valentin Dipl.-Phys. Magori
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
Publication of EP0308899A2 publication Critical patent/EP0308899A2/de
Publication of EP0308899A3 publication Critical patent/EP0308899A3/de
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • 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
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

Ultraschallwandler (1), dessen astigmatische Sende-/Empfangs­ charakteristik auf Rillen bzw. Ritzen (3, 13) beruht, die in der Membran (2) in einer Richtung (4) parallel ausgerichtet sind.
EP88115485A 1987-09-25 1988-09-21 Ultraschallwandler mit astigmatischer Sende-/Empfangscharakteristik Withdrawn EP0308899A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873732410 DE3732410A1 (de) 1987-09-25 1987-09-25 Ultraschallwandler mit astigmatischer sende-/empfangscharakteristik
DE3732410 1987-09-25

Publications (2)

Publication Number Publication Date
EP0308899A2 EP0308899A2 (de) 1989-03-29
EP0308899A3 true EP0308899A3 (de) 1990-03-14

Family

ID=6336916

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115485A Withdrawn EP0308899A3 (de) 1987-09-25 1988-09-21 Ultraschallwandler mit astigmatischer Sende-/Empfangscharakteristik

Country Status (3)

Country Link
EP (1) EP0308899A3 (de)
JP (1) JPH01119200A (de)
DE (1) DE3732410A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9003065U1 (de) * 1989-04-12 1990-10-25 Siemens AG, 1000 Berlin und 8000 München Überwachungsgerät zur Überwachung der Scheiben eines Raumes, z.B. KFZ-Innenraumes
EP0393225B1 (de) * 1989-04-20 1994-02-02 Siemens Aktiengesellschaft Ultraschall-Detektion mit quer zur Fahrtrichtung des Fahrzeugs gerichteter Ultraschallstrahlung
DE3939387A1 (de) * 1989-11-29 1991-06-06 Swf Auto Electric Gmbh Abstandswarnanlage, insbesondere fuer kraftfahrzeuge
DE4413894C2 (de) 1994-04-21 2002-12-12 Teves Gmbh Alfred Biegewandler in Topfform
DE10009129A1 (de) * 2000-02-26 2001-08-30 Volkswagen Ag Ultraschallsensor
DE10138892A1 (de) * 2001-08-08 2003-02-20 Valeo Schalter & Sensoren Gmbh Ultraschallwandler
JP4724561B2 (ja) * 2005-01-18 2011-07-13 株式会社川上鉄工所 塗布装置
JP4618165B2 (ja) * 2006-03-06 2011-01-26 株式会社デンソー 超音波センサ
JP5313877B2 (ja) * 2006-04-19 2013-10-09 コモンウェルス サイエンティフィック アンドインダストリアル リサーチ オーガナイゼーション 超音波トランスデューサシステム
EP1906383B1 (de) * 2006-09-29 2013-11-13 Tung Thih Electronic Co., Ltd. Ultraschallgerät-Sende-/Empfangsvorrichtung
DE102010002282A1 (de) 2010-02-24 2011-08-25 Lisa Dräxlmaier GmbH, 84137 Innenausstattungsteil sowie Außenverkleidungsteil eines Fahrezeugs mit einem Ultraschallsensor
US9247338B2 (en) 2010-12-28 2016-01-26 Nec Corporation Electroacoustic transducer
JP5023244B1 (ja) * 2012-01-13 2012-09-12 浩平 速水 振動力発電装置
JP5458421B2 (ja) * 2012-05-07 2014-04-02 浩平 速水 振動力発電装置
JP5228136B1 (ja) * 2012-11-21 2013-07-03 浩平 速水 振動力発電装置
DE102015205950B4 (de) * 2015-04-01 2017-02-02 Volkswagen Aktiengesellschaft Vorrichtung, Verfahren und Computerprogramm zur Erfassung akustischer Steueranweisungen
DE102015106240B4 (de) 2015-04-23 2025-12-18 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor für ein Kraftfahrzeug mit einer Durchgangsöffnungen aufweisenden Membran, Verkleidungsanordnung sowie Kraftfahrzeug
DE102015107899A1 (de) * 2015-05-20 2016-11-24 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor für ein Kraftfahrzeug, Kraftfahrzeug sowie Verfahren zum Herstellen eines Ultraschallsensors
WO2017089609A2 (de) * 2015-11-26 2017-06-01 Elmos Semiconductor Aktiengesellschaft Schwingelement für einen ultraschall-transducer mit mehrfachresonanz
KR20250069990A (ko) * 2019-09-12 2025-05-20 엑소 이미징, 인크. 에지 홈, 가상 피봇, 및 자유 경계를 통한 증가된 mut 커플링 효율성 및 대역폭
CN113795789B (zh) 2020-03-05 2022-10-25 艾科索成像公司 具有可编程解剖和流成像的超声成像装置
US12486159B2 (en) 2021-06-30 2025-12-02 Exo Imaging, Inc. Micro-machined ultrasound transducers with insulation layer and methods of manufacture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716708A (en) * 1950-11-17 1955-08-30 Nat Res Dev Apparatus for launching ultrasonic waves
FR2293844A1 (fr) * 1974-12-02 1976-07-02 Barcus Lester Transducteur acoustique
EP0037620A1 (de) * 1980-04-07 1981-10-14 North American Philips Corporation Einrichtung zur Anpassung von akustischer Impetanz
EP0075302A1 (de) * 1981-09-23 1983-03-30 Egon Gelhard Sensor für die Durchführung einer Distanzmessung nach dem Ultraschall-Echoprinzip

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855143C2 (de) * 1978-12-20 1980-11-06 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Herstellung eines Ultraschallwandlers und entsprechend hergestellter Wandler
JPS5642493A (en) * 1979-09-13 1981-04-20 Toray Ind Inc Acoustic-wave converging type transducer using high-molecular piezoelectric body
DE3407980A1 (de) * 1983-04-20 1984-10-25 Tadashi Tokio/Tokyo Sawafuji Kristallschallerzeuger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716708A (en) * 1950-11-17 1955-08-30 Nat Res Dev Apparatus for launching ultrasonic waves
FR2293844A1 (fr) * 1974-12-02 1976-07-02 Barcus Lester Transducteur acoustique
EP0037620A1 (de) * 1980-04-07 1981-10-14 North American Philips Corporation Einrichtung zur Anpassung von akustischer Impetanz
EP0075302A1 (de) * 1981-09-23 1983-03-30 Egon Gelhard Sensor für die Durchführung einer Distanzmessung nach dem Ultraschall-Echoprinzip

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 102, Nr. 90 (P-503), 2. Oktober 1982; & JP-A-59 230 224 (HITACHI LTD) 28-05-1986 *

Also Published As

Publication number Publication date
EP0308899A2 (de) 1989-03-29
DE3732410A1 (de) 1989-04-13
JPH01119200A (ja) 1989-05-11

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