EP1310942A3 - Ultraschallsensor mit einem topfförmigen Gehäuse und zugehöriges Herstellungsverfahren - Google Patents

Ultraschallsensor mit einem topfförmigen Gehäuse und zugehöriges Herstellungsverfahren Download PDF

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Publication number
EP1310942A3
EP1310942A3 EP02020785A EP02020785A EP1310942A3 EP 1310942 A3 EP1310942 A3 EP 1310942A3 EP 02020785 A EP02020785 A EP 02020785A EP 02020785 A EP02020785 A EP 02020785A EP 1310942 A3 EP1310942 A3 EP 1310942A3
Authority
EP
European Patent Office
Prior art keywords
pot
ultrasonic sensor
manufacture
housing
membrane
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
EP02020785A
Other languages
English (en)
French (fr)
Other versions
EP1310942B1 (de
EP1310942A2 (de
Inventor
Uwe Kupfernagel
Heinrich Dr. Gotzig
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
Publication of EP1310942A2 publication Critical patent/EP1310942A2/de
Publication of EP1310942A3 publication Critical patent/EP1310942A3/de
Application granted granted Critical
Publication of EP1310942B1 publication Critical patent/EP1310942B1/de
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
    • 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
    • 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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Die Erfindung betrifft einen Ultraschallsensor mit einer topfförmigen Membrane, die einen schwingungsfähigen Membranboden und eine den Membranboden wenigstens abschnittsweise umgebende Membranwandung aufweist.
Die Erfindung kennzeichnet sich dadurch, dass die Membranwandung wenigstens abschnittsweise eine schaumartige Struktur aufweist.
EP02020785.8A 2001-11-09 2002-09-17 Ultraschallsensor mit einem topfförmigen Gehäuse und zugehöriges Herstellungsverfahren Expired - Lifetime EP1310942B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10156259A DE10156259A1 (de) 2001-11-09 2001-11-09 Ultraschallsensor und Verfahren zur Herstellung eines Ultraschallsensors
DE10156259 2001-11-09

Publications (3)

Publication Number Publication Date
EP1310942A2 EP1310942A2 (de) 2003-05-14
EP1310942A3 true EP1310942A3 (de) 2008-07-30
EP1310942B1 EP1310942B1 (de) 2018-07-25

Family

ID=7705945

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02020785.8A Expired - Lifetime EP1310942B1 (de) 2001-11-09 2002-09-17 Ultraschallsensor mit einem topfförmigen Gehäuse und zugehöriges Herstellungsverfahren

Country Status (3)

Country Link
US (1) US6792810B2 (de)
EP (1) EP1310942B1 (de)
DE (1) DE10156259A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005308639A (ja) * 2004-04-23 2005-11-04 Denso Corp 超音波センサ
KR100776518B1 (ko) * 2004-04-26 2007-11-16 가부시키가이샤 무라타 세이사쿠쇼 초음파 센서
DE102004036215B4 (de) * 2004-06-11 2010-07-08 Continental Automotive Gmbh Sensoranordnung
JP4306561B2 (ja) 2004-08-11 2009-08-05 株式会社デンソー 超音波センサ
DE102005002626A1 (de) * 2005-01-12 2006-07-20 Valeo Schalter Und Sensoren Gmbh Sensor für ein Nahbereichserkennungs- beziehungsweise Einparkhilfesystem eines Fahrzeugs und Kontaktdraht hierfür
JP2006203563A (ja) * 2005-01-20 2006-08-03 Nippon Soken Inc 超音波センサ
JP2007183185A (ja) * 2006-01-06 2007-07-19 Denso Corp 超音波センサ
DE102006028211A1 (de) * 2006-06-14 2007-12-20 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor mit Membran
DE102006040344B4 (de) * 2006-08-29 2022-09-29 Robert Bosch Gmbh Haltevorrichtung für einen Ultraschallwandler
DE102006050037A1 (de) * 2006-10-24 2008-04-30 Robert Bosch Gmbh Ultraschallwandler
ITMO20110053A1 (it) 2011-03-07 2012-09-08 Meta System Spa Procedimento per la realizzazione di un dispositivo sensore, in particolare di un dispositivo sensore impiegabile in sistemi di assistenza al parcheggio per veicoli
US8256076B1 (en) 2011-11-19 2012-09-04 Murray F Feller Method of making an ultrasonic transducer
DE102012200639A1 (de) * 2012-01-17 2013-07-18 Robert Bosch Gmbh Ultraschallsensor
US8682523B2 (en) 2012-07-31 2014-03-25 Ford Global Technologies Method and system for implementing ultrasonic sensor signal strength calibrations
US8676438B2 (en) 2012-07-31 2014-03-18 Ford Global Technologies Method and system for implementing ultrasonic sensor signal strength calibrations
CN103713290A (zh) 2012-10-05 2014-04-09 福特全球技术公司 降低驾驶辅助特征中物体报告错误的方法、系统及装置
DE102013022063A1 (de) * 2013-12-23 2015-06-25 Valeo Schalter Und Sensoren Gmbh Verfahren zum Herstellen eines Ultraschallsensors für ein Kraftfahrzeug
DE102015106044A1 (de) 2015-04-21 2016-10-27 Valeo Schalter Und Sensoren Gmbh Ultraschallsensor für ein Kraftfahrzeug aus hochgefülltem Kunststoff, Fahrerassistenzsystem, Kraftfahrzeug sowie Verfahren
DE102017221618A1 (de) * 2017-10-27 2019-05-02 Continental Automotive Gmbh Ultraschallwandler mit zumindest einem piezo-elektrischen Oszillator
CN112948943B (zh) * 2021-03-22 2022-11-18 西南交通大学 格栅式地下连续墙基础的OpenSees软件的前、后处理方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556814A (en) * 1984-02-21 1985-12-03 Ngk Spark Plug Co., Ltd. Piezoelectric ultrasonic transducer with porous plastic housing
JPS62254600A (ja) * 1986-04-28 1987-11-06 Fuji Electric Co Ltd 超音波センサ
DE3832947A1 (de) * 1988-09-28 1990-03-29 Siemens Ag Ultraschall-wandler, insbesondere fuer luftmengenmesser
US5025666A (en) * 1986-06-10 1991-06-25 Nissan Motor Company, Limited Transducer with built-in printed circuit board
DE4114180A1 (de) * 1991-05-01 1992-11-05 Microsonic Ges Fuer Mikroelekt Ultraschallwandler

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2059717B (en) * 1979-09-25 1984-04-04 Victor Company Of Japan Speaker diaphragm assembly and a method of manufacturing the same
US4536673A (en) * 1984-01-09 1985-08-20 Siemens Aktiengesellschaft Piezoelectric ultrasonic converter with polyurethane foam damper
DE4230773C2 (de) * 1992-09-15 2000-05-04 Endress Hauser Gmbh Co Ultraschallwandler
DE19507650A1 (de) * 1995-03-06 1996-09-12 Gregor Verpoorten Ultraschallsensor mit segmentierter Membrane
DE19538678C2 (de) * 1995-10-17 1998-12-10 Endress Hauser Gmbh Co Anordnung zur Überwachung eines vorbestimmten Füllstands einer Flüssigkeit in einem Behälter
DE19538696C2 (de) * 1995-10-17 1997-09-25 Endress Hauser Gmbh Co Anordnung zur Überwachung eines vorbestimmten Füllstands einer Flüssigkeit in einem Behälter
DE19620133C2 (de) * 1996-05-18 2001-09-13 Endress Hauser Gmbh Co Schall- oder Ultraschallsensor
DE19754891C1 (de) * 1997-12-10 1999-07-15 Fraunhofer Ges Forschung Ultraschallwandler
US6587564B1 (en) * 1999-05-25 2003-07-01 Ronald Y. Cusson Resonant chamber sound pick-up

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556814A (en) * 1984-02-21 1985-12-03 Ngk Spark Plug Co., Ltd. Piezoelectric ultrasonic transducer with porous plastic housing
JPS62254600A (ja) * 1986-04-28 1987-11-06 Fuji Electric Co Ltd 超音波センサ
US5025666A (en) * 1986-06-10 1991-06-25 Nissan Motor Company, Limited Transducer with built-in printed circuit board
DE3832947A1 (de) * 1988-09-28 1990-03-29 Siemens Ag Ultraschall-wandler, insbesondere fuer luftmengenmesser
DE4114180A1 (de) * 1991-05-01 1992-11-05 Microsonic Ges Fuer Mikroelekt Ultraschallwandler

Also Published As

Publication number Publication date
US6792810B2 (en) 2004-09-21
EP1310942B1 (de) 2018-07-25
EP1310942A2 (de) 2003-05-14
US20030089172A1 (en) 2003-05-15
DE10156259A1 (de) 2003-05-22

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