ES2158008T3 - Transductor ultrasonico con caracteristica de radiacion asimetrica. - Google Patents

Transductor ultrasonico con caracteristica de radiacion asimetrica.

Info

Publication number
ES2158008T3
ES2158008T3 ES95105504T ES95105504T ES2158008T3 ES 2158008 T3 ES2158008 T3 ES 2158008T3 ES 95105504 T ES95105504 T ES 95105504T ES 95105504 T ES95105504 T ES 95105504T ES 2158008 T3 ES2158008 T3 ES 2158008T3
Authority
ES
Spain
Prior art keywords
ultrasonic transducer
radiation feature
asymmetrical radiation
converter
asymmetrical
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 - Lifetime
Application number
ES95105504T
Other languages
English (en)
Inventor
Reinhard Dr Stumpe
Joachim Mathes
Helmut Dorr
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
Valeo Schalter und Sensoren 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 Valeo Schalter und Sensoren GmbH filed Critical Valeo Schalter und Sensoren GmbH
Application granted granted Critical
Publication of ES2158008T3 publication Critical patent/ES2158008T3/es
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)

Abstract

LA INVENCION SE REFIERE A UN CONVERTIDOR DE FLEXION PARA APARATOS DE AVISO DE DISTANCIA EN VEHICULOS. PARA OBTENER LAS CARACTERISTICAS DE RADIACION DESEADAS, QUE DISCURREN DE FORMA PLANA EN DISPOSICION PARALELA CON RESPECTO A LA SUPERFICIE DEL SUELO, SE TOMA A PARTIR DEL EXTREMO DEL LADO DE LA MEMBRANA DE LA DISPOSICION DEL CONVERTIDOR EN LA DIRECCION DE MONTAJE HACIA ARRIBA Y HACIA ABAJO RESPECTIVAMENTE UNA PIEZA EN FORMA DE SEGMENTO O CIRCULAR.
ES95105504T 1994-04-21 1995-04-12 Transductor ultrasonico con caracteristica de radiacion asimetrica. Expired - Lifetime ES2158008T3 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2158008T3 true ES2158008T3 (es) 2001-09-01

Family

ID=6516054

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95105504T Expired - Lifetime ES2158008T3 (es) 1994-04-21 1995-04-12 Transductor ultrasonico con caracteristica de radiacion asimetrica.

Country Status (3)

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

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 (en) * 2006-09-29 2013-11-13 Tung Thih Electronic Co., Ltd. Ultrasound transducer apparatus
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
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

Family Cites Families (13)

* 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
DE3137745A1 (de) * 1981-09-23 1983-04-07 Egon 5000 Köln Gelhard Sensor fuer die durchfuehrung der distanzmessung nach dem ultraschalll-echoprinzip
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
DE3441684A1 (de) * 1984-11-15 1986-05-15 SWF Auto-Electric GmbH, 7120 Bietigheim-Bissingen Elektroakustischer wandler
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
DE3732410A1 (de) * 1987-09-25 1989-04-13 Siemens Ag Ultraschallwandler mit astigmatischer sende-/empfangscharakteristik
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
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
DE3941933C2 (de) * 1989-12-19 1997-01-30 Siemens Ag Ultraschallwandler für Luftströmungsmessung, insbesondere zur Luftmengenmessung bei Verbrennungsmotoren

Also Published As

Publication number Publication date
EP0678853A2 (de) 1995-10-25
EP0678853A3 (de) 1997-05-21
EP0678853B1 (de) 2001-07-18
DE59509415D1 (de) 2001-08-23
DE4413894A1 (de) 1995-10-26
DE4413894C2 (de) 2002-12-12

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