EP0807924A3 - Transducteur à son ou ultrason - Google Patents

Transducteur à son ou ultrason Download PDF

Info

Publication number
EP0807924A3
EP0807924A3 EP97105884A EP97105884A EP0807924A3 EP 0807924 A3 EP0807924 A3 EP 0807924A3 EP 97105884 A EP97105884 A EP 97105884A EP 97105884 A EP97105884 A EP 97105884A EP 0807924 A3 EP0807924 A3 EP 0807924A3
Authority
EP
European Patent Office
Prior art keywords
front surface
sound
webs
ultrasound
transducer element
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
EP97105884A
Other languages
German (de)
English (en)
Other versions
EP0807924A2 (fr
EP0807924B1 (fr
Inventor
Manfred Eckert
Karl Flögel
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.)
Endress and Hauser SE and Co KG
Original Assignee
Endress and Hauser SE and Co KG
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 Endress and Hauser SE and Co KG filed Critical Endress and Hauser SE and Co KG
Publication of EP0807924A2 publication Critical patent/EP0807924A2/fr
Publication of EP0807924A3 publication Critical patent/EP0807924A3/fr
Application granted granted Critical
Publication of EP0807924B1 publication Critical patent/EP0807924B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0611—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile
    • B06B1/0618—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
EP97105884A 1996-05-18 1997-04-10 Transducteur à son ou ultrason Expired - Lifetime EP0807924B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19620133A DE19620133C2 (de) 1996-05-18 1996-05-18 Schall- oder Ultraschallsensor
DE19620133 1996-05-18

Publications (3)

Publication Number Publication Date
EP0807924A2 EP0807924A2 (fr) 1997-11-19
EP0807924A3 true EP0807924A3 (fr) 1999-06-02
EP0807924B1 EP0807924B1 (fr) 2002-12-11

Family

ID=7794713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97105884A Expired - Lifetime EP0807924B1 (fr) 1996-05-18 1997-04-10 Transducteur à son ou ultrason

Country Status (5)

Country Link
US (1) US5726952A (fr)
EP (1) EP0807924B1 (fr)
CA (1) CA2203583C (fr)
DE (2) DE19620133C2 (fr)
HU (1) HU216670B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19758243A1 (de) * 1997-12-30 1999-07-15 Endress Hauser Gmbh Co Schallwandlersystem
DE10156259A1 (de) * 2001-11-09 2003-05-22 Valeo Schalter & Sensoren Gmbh Ultraschallsensor und Verfahren zur Herstellung eines Ultraschallsensors
US7117738B2 (en) * 2003-10-02 2006-10-10 Denso Corporation Liquid level detecting apparatus
AT413890B (de) * 2004-02-27 2006-07-15 Univ Wien Tech Verfahren und sensorvorrichtung zur gewinnung von informationen über die position eines objekts mit einem ultraschallsensor
DE102004020895B4 (de) * 2004-04-28 2012-05-24 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Bestimmung und/oder Überwachung des Füllstandes eines Mediums
RU2273967C1 (ru) * 2005-04-22 2006-04-10 Закрытое акционерное общество "Взлет" Электроакустический преобразователь для работы в газовой среде
DE102005056895A1 (de) * 2005-11-28 2007-05-31 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Ermittlung und Überwachung des Füllstands eines Füllguts in einem Behälter gemäß der Laufzeitmessmethode
US8454518B2 (en) * 2006-01-31 2013-06-04 Panasonic Corporation Ultrasonic probe
DE102006058926B4 (de) * 2006-12-12 2020-09-24 Endress+Hauser SE+Co. KG Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße
FR2931016B1 (fr) * 2008-05-07 2010-08-13 Ixsea Antenne acoustique a circuits imprimes integres
KR101593994B1 (ko) * 2009-09-04 2016-02-16 삼성전자주식회사 고출력 초음파 트랜스듀서
US8797830B2 (en) * 2011-02-02 2014-08-05 General Monitors, Inc. Explosion-proof acoustic source for hazardous locations
DE102012201884A1 (de) 2012-02-09 2013-08-14 Robert Bosch Gmbh Schallwandler
US9506833B2 (en) 2014-03-26 2016-11-29 General Monitors, Inc. Ultrasonic gas leak detectors and testing methods
TWI487886B (zh) * 2014-03-26 2015-06-11 Univ Nat Kaohsiung Applied Sci Integrated Sensing Device with Ultrasonic Transducer and Microphone and Its Method
GB201408833D0 (en) * 2014-05-19 2014-07-02 Skoogmusic Ltd Control apparatus
DE102015113561A1 (de) 2015-08-17 2017-02-23 Endress + Hauser Flowtec Ag Ultraschallwandler zum Einsatz in Ultraschall- Durchflussmessgeräten zur Messung der Durchflussgeschwindigkeit oder dem Volumendurchfluss von Medien in einer Rohrleitung sowie ein Verfahren zur Herstellung eines solchen Ultraschallwandlers
US10632499B2 (en) * 2016-12-09 2020-04-28 Sensus USA, Inc. Thickness mode transducers and related devices and methods
DE102018200324A1 (de) * 2018-01-11 2019-07-11 Robert Bosch Gmbh Ultraschallsensor und Fluidtank mit Ultraschallsensor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949349A (en) * 1972-04-13 1976-04-06 Fred M. Dellorfano, Jr. Dual electroacoustic transducers
US4333028A (en) * 1980-04-21 1982-06-01 Milltronics Ltd. Damped acoustic transducers with piezoelectric drivers
EP0590799A2 (fr) * 1992-09-04 1994-04-06 Milltronics Ltd. Transducteur acoustique
US5452267A (en) * 1994-01-27 1995-09-19 Magnetrol International, Inc. Midrange ultrasonic transducer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2943297A (en) * 1950-04-27 1960-06-28 Raymond L Steinberger Multiple element electroacoustic transducer
US3370186A (en) * 1965-02-05 1968-02-20 Blackstone Corp Ultrasonic transducers
US3457543A (en) * 1968-02-26 1969-07-22 Honeywell Inc Transducer for producing two coaxial beam patterns of different frequencies
US3739327A (en) * 1970-12-16 1973-06-12 Dynamics Corp Massa Div Electroacoustic transducers of the mass loaded vibratile piston type
JPS52131676A (en) * 1976-04-27 1977-11-04 Tokyo Shibaura Electric Co Probe for ultrasonic diagnostic device
US4183007A (en) * 1978-02-22 1980-01-08 Fischer & Porter Company Ultrasonic transceiver
US4246449A (en) * 1979-04-24 1981-01-20 Polaroid Corporation Electrostatic transducer having optimum sensitivity and damping
CA1136257A (fr) * 1980-04-21 1982-11-23 Stanley Panton Transducteur directionnel a bande passante large
US4633119A (en) * 1984-07-02 1986-12-30 Gould Inc. Broadband multi-resonant longitudinal vibrator transducer
DE3721209C2 (de) * 1987-06-26 1997-04-30 Grieshaber Vega Kg Schall-/Ultraschallmeßgerät
US5515342A (en) * 1988-12-22 1996-05-07 Martin Marietta Corporation Dual frequency sonar transducer assembly

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949349A (en) * 1972-04-13 1976-04-06 Fred M. Dellorfano, Jr. Dual electroacoustic transducers
US4333028A (en) * 1980-04-21 1982-06-01 Milltronics Ltd. Damped acoustic transducers with piezoelectric drivers
EP0590799A2 (fr) * 1992-09-04 1994-04-06 Milltronics Ltd. Transducteur acoustique
US5452267A (en) * 1994-01-27 1995-09-19 Magnetrol International, Inc. Midrange ultrasonic transducer

Also Published As

Publication number Publication date
CA2203583A1 (fr) 1997-11-18
EP0807924A2 (fr) 1997-11-19
HU216670B (hu) 1999-08-30
US5726952A (en) 1998-03-10
HU9700904D0 (en) 1997-07-28
CA2203583C (fr) 2000-02-08
HUP9700904A2 (hu) 1998-04-28
DE19620133A1 (de) 1997-11-27
DE19620133C2 (de) 2001-09-13
HUP9700904A3 (en) 1998-12-28
EP0807924B1 (fr) 2002-12-11
DE59708924D1 (de) 2003-01-23

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