DE10138892A1 - Ultraschallwandler - Google Patents

Ultraschallwandler

Info

Publication number
DE10138892A1
DE10138892A1 DE2001138892 DE10138892A DE10138892A1 DE 10138892 A1 DE10138892 A1 DE 10138892A1 DE 2001138892 DE2001138892 DE 2001138892 DE 10138892 A DE10138892 A DE 10138892A DE 10138892 A1 DE10138892 A1 DE 10138892A1
Authority
DE
Germany
Prior art keywords
membrane surface
ultrasonic transducer
constrictions
membrane
constriction
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Withdrawn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
DE2001138892
Other languages
German (de)
English (en)
Inventor
Heinrich Gotzig
Dietmar Gruedl
Oliver Kukawka
Thomas Jung
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
Priority to DE2001138892 priority Critical patent/DE10138892A1/de
Priority to EP02013779.0A priority patent/EP1283516B1/fr
Publication of DE10138892A1 publication Critical patent/DE10138892A1/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Withdrawn legal-status Critical Current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
    • G10K9/125—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 with a plurality of active elements
    • 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)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
DE2001138892 2001-08-08 2001-08-08 Ultraschallwandler Withdrawn DE10138892A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2001138892 DE10138892A1 (de) 2001-08-08 2001-08-08 Ultraschallwandler
EP02013779.0A EP1283516B1 (fr) 2001-08-08 2002-06-21 Transducteur à ultrasons avec une membrane entraînable et avec un vibreur piézoélectrique disposé sur cette membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001138892 DE10138892A1 (de) 2001-08-08 2001-08-08 Ultraschallwandler

Publications (1)

Publication Number Publication Date
DE10138892A1 true DE10138892A1 (de) 2003-02-20

Family

ID=7694766

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2001138892 Withdrawn DE10138892A1 (de) 2001-08-08 2001-08-08 Ultraschallwandler

Country Status (2)

Country Link
EP (1) EP1283516B1 (fr)
DE (1) DE10138892A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10361316A1 (de) * 2003-12-19 2005-07-21 Valeo Schalter Und Sensoren Gmbh Ultraschallwandlervorrichtung
DE102011079646A1 (de) * 2011-07-22 2013-02-07 Robert Bosch Gmbh Ultraschallsensorvorrichtung zum Erfassen und/oder Senden von Ultraschall
DE102015217778A1 (de) 2015-09-17 2017-03-23 Robert Bosch Gmbh Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0606506D0 (en) * 2006-03-31 2006-05-10 Univ Strathclyde Ultrasonic transducer/receiver
US7982366B2 (en) 2008-12-16 2011-07-19 Tung Thih Electronic Co., Ltd. Ultrasound transducer with a dumbbell-shaped chamber
EP2221802A1 (fr) * 2009-02-19 2010-08-25 Tung Thih Electronic Co., Ltd. Transducteur ultrasonore avec une chambre en forme d'haltère

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308899A2 (fr) * 1987-09-25 1989-03-29 Siemens Aktiengesellschaft Transducteur à ultrasons avec une caractéristique d'émission et réception astigmatique
DE19614885C1 (de) * 1996-04-16 1997-09-04 Bosch Gmbh Robert Sensor zum Senden und/oder Empfangen akustischer Signale

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721209C2 (de) * 1987-06-26 1997-04-30 Grieshaber Vega Kg Schall-/Ultraschallmeßgerät
DE19507650A1 (de) * 1995-03-06 1996-09-12 Gregor Verpoorten Ultraschallsensor mit segmentierter Membrane
US5834877A (en) * 1995-08-28 1998-11-10 Accuweb, Inc. Ultrasonic transducer units for web detection and the like

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308899A2 (fr) * 1987-09-25 1989-03-29 Siemens Aktiengesellschaft Transducteur à ultrasons avec une caractéristique d'émission et réception astigmatique
DE19614885C1 (de) * 1996-04-16 1997-09-04 Bosch Gmbh Robert Sensor zum Senden und/oder Empfangen akustischer Signale

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10361316A1 (de) * 2003-12-19 2005-07-21 Valeo Schalter Und Sensoren Gmbh Ultraschallwandlervorrichtung
DE10361316B4 (de) * 2003-12-19 2015-08-27 Valeo Schalter Und Sensoren Gmbh Ultraschallwandlervorrichtung
DE102011079646A1 (de) * 2011-07-22 2013-02-07 Robert Bosch Gmbh Ultraschallsensorvorrichtung zum Erfassen und/oder Senden von Ultraschall
DE102015217778A1 (de) 2015-09-17 2017-03-23 Robert Bosch Gmbh Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler
DE102015217778B4 (de) 2015-09-17 2019-05-29 Robert Bosch Gmbh Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler

Also Published As

Publication number Publication date
EP1283516A3 (fr) 2008-07-30
EP1283516B1 (fr) 2016-07-06
EP1283516A2 (fr) 2003-02-12

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8181 Inventor (new situation)

Inventor name: GRUEDL, DIETMAR, 71706 MARKGRUENINGEN, DE

Inventor name: GOTZIG, HEINRICH, DR., 74081 HEILBRONN, DE

Inventor name: JUNG, THOMAS, 74199 UNTERGRUPPENBACH, DE

Inventor name: KUKAWKA, OLIVER, 74354 BESIGHEIM, DE

8141 Disposal/no request for examination