EP0678853A3 - Transducteur à ultrason ayant une charactéristique de radiation asymmétrique. - Google Patents

Transducteur à ultrason ayant une charactéristique de radiation asymmétrique. Download PDF

Info

Publication number
EP0678853A3
EP0678853A3 EP95105504A EP95105504A EP0678853A3 EP 0678853 A3 EP0678853 A3 EP 0678853A3 EP 95105504 A EP95105504 A EP 95105504A EP 95105504 A EP95105504 A EP 95105504A EP 0678853 A3 EP0678853 A3 EP 0678853A3
Authority
EP
European Patent Office
Prior art keywords
ultrasonic transducer
radiation characteristic
asymmetric radiation
asymmetric
characteristic
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.)
Granted
Application number
EP95105504A
Other languages
German (de)
English (en)
Other versions
EP0678853A2 (fr
EP0678853B1 (fr
Inventor
Reinhard Dr Stumpe
Joachim Mathes
Helmut Doerr
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.)
Valeo Schalter und Sensoren GmbH
Original Assignee
ITT Automotive Europe GmbH
Alfred Teves GmbH
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 ITT Automotive Europe GmbH, Alfred Teves GmbH filed Critical ITT Automotive Europe GmbH
Publication of EP0678853A2 publication Critical patent/EP0678853A2/fr
Publication of EP0678853A3 publication Critical patent/EP0678853A3/fr
Application granted granted Critical
Publication of EP0678853B1 publication Critical patent/EP0678853B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
EP95105504A 1994-04-21 1995-04-12 Transducteur à ultrasons ayant une caractéristique de radiation asymmétrique Expired - Lifetime EP0678853B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4413894A DE4413894C2 (de) 1994-04-21 1994-04-21 Biegewandler in Topfform
DE4413894 1994-04-21

Publications (3)

Publication Number Publication Date
EP0678853A2 EP0678853A2 (fr) 1995-10-25
EP0678853A3 true EP0678853A3 (fr) 1997-05-21
EP0678853B1 EP0678853B1 (fr) 2001-07-18

Family

ID=6516054

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95105504A Expired - Lifetime EP0678853B1 (fr) 1994-04-21 1995-04-12 Transducteur à ultrasons ayant une caractéristique de radiation asymmétrique

Country Status (3)

Country Link
EP (1) EP0678853B1 (fr)
DE (2) DE4413894C2 (fr)
ES (1) ES2158008T3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19601656B4 (de) * 1996-01-18 2009-07-16 Valeo Schalter Und Sensoren Gmbh Bedämpfter Ultraschallwandler
DE19614885C1 (de) * 1996-04-16 1997-09-04 Bosch Gmbh Robert Sensor zum Senden und/oder Empfangen akustischer Signale
DE19727877A1 (de) * 1997-06-30 1999-01-07 Bosch Gmbh Robert Ultraschallwandler
US6322532B1 (en) * 1998-06-24 2001-11-27 3M Innovative Properties Company Sonophoresis method and apparatus
JP3324593B2 (ja) * 1999-10-28 2002-09-17 株式会社村田製作所 超音波振動装置
DE10304001A1 (de) * 2003-02-01 2004-08-12 Valeo Schalter Und Sensoren Gmbh Topfförmige Menbrane für einen Sensor, insbesondere einen Ultraschallsensor und Sensor, insbesondere Ultraschallsensor
EP1906383B1 (fr) * 2006-09-29 2013-11-13 Tung Thih Electronic Co., Ltd. Appareil de transducteur à ultrasons
DE102008040905A1 (de) * 2008-07-31 2010-02-04 Robert Bosch Gmbh Ultraschallsensor
DE102014219630A1 (de) * 2014-09-26 2016-03-31 Sennheiser Electronic Gmbh & Co. Kg Elektrodynamischer Schallwandler
DE102015106240A1 (de) 2015-04-23 2016-10-27 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor für ein Kraftfahrzeug mit einer Durchgangsöffnungen aufweisenden Membran, Verkleidungsanordnung sowie Kraftfahrzeug

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437032A (en) * 1981-09-23 1984-03-13 Egon Gelhard Sensor for distance measurement by ultrasound
DE3441684A1 (de) * 1984-11-15 1986-05-15 SWF Auto-Electric GmbH, 7120 Bietigheim-Bissingen Elektroakustischer wandler
EP0308899A2 (fr) * 1987-09-25 1989-03-29 Siemens Aktiengesellschaft Transducteur à ultrasons avec une caractéristique d'émission et réception astigmatique
DE3939387A1 (de) * 1989-11-29 1991-06-06 Swf Auto Electric Gmbh Abstandswarnanlage, insbesondere fuer kraftfahrzeuge
DE3941634A1 (de) * 1989-12-15 1991-06-20 Siemens Ag Schallisolierte halterung eines ultraschallwandlers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU886325A1 (ru) * 1980-01-04 1981-11-30 Научно-Исследовательский Институт Интроскопии Пьезопреобразователь
DE3036081A1 (de) * 1980-09-25 1982-04-29 Egon Gelhard Verfahren zur distanzmessung nach dem ultraschall-echoprinzip sowie schaltungsanordnung und geraete insbesondere am kraftfahrzeug
DE3221935A1 (de) * 1982-06-11 1984-02-16 M W Stoelzel Kg Industrievertr Elektronisches kfz-abstandmessgeraet
DE3301848C2 (de) * 1983-01-20 1984-11-08 Siemens AG, 1000 Berlin und 8000 München Ultraschallwandler
DE8712391U1 (de) * 1987-09-12 1987-12-10 Nauroth, Heinz, Dipl.-Finanzwirt, 5300 Bonn Ultraschallsende- und Empfangselement einer nach dem Echoprinzip arbeitenden Entfernungsmeßeinrichtung, insbesondere für die Rückfahrüberwachung bei Kraftfahrzeugen
DE3812182C2 (de) * 1988-04-13 1997-05-15 Teves Gmbh Alfred Wandler, insbesondere Ultraschallwandler für ein in ein Kraftfahrzeug eingebautes Entfernungsmeßgerät
DE3826799C2 (de) * 1988-08-06 1995-08-31 Teves Gmbh Alfred Ultraschallwandler
DE3941933C2 (de) * 1989-12-19 1997-01-30 Siemens Ag Ultraschallwandler für Luftströmungsmessung, insbesondere zur Luftmengenmessung bei Verbrennungsmotoren

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4437032A (en) * 1981-09-23 1984-03-13 Egon Gelhard Sensor for distance measurement by ultrasound
DE3441684A1 (de) * 1984-11-15 1986-05-15 SWF Auto-Electric GmbH, 7120 Bietigheim-Bissingen Elektroakustischer wandler
EP0308899A2 (fr) * 1987-09-25 1989-03-29 Siemens Aktiengesellschaft Transducteur à ultrasons avec une caractéristique d'émission et réception astigmatique
DE3939387A1 (de) * 1989-11-29 1991-06-06 Swf Auto Electric Gmbh Abstandswarnanlage, insbesondere fuer kraftfahrzeuge
DE3941634A1 (de) * 1989-12-15 1991-06-20 Siemens Ag Schallisolierte halterung eines ultraschallwandlers

Also Published As

Publication number Publication date
DE4413894A1 (de) 1995-10-26
DE4413894C2 (de) 2002-12-12
EP0678853A2 (fr) 1995-10-25
ES2158008T3 (es) 2001-09-01
EP0678853B1 (fr) 2001-07-18
DE59509415D1 (de) 2001-08-23

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