FR2462837B1 - ULTRASONIC TRANSDUCER - Google Patents

ULTRASONIC TRANSDUCER

Info

Publication number
FR2462837B1
FR2462837B1 FR8016226A FR8016226A FR2462837B1 FR 2462837 B1 FR2462837 B1 FR 2462837B1 FR 8016226 A FR8016226 A FR 8016226A FR 8016226 A FR8016226 A FR 8016226A FR 2462837 B1 FR2462837 B1 FR 2462837B1
Authority
FR
France
Prior art keywords
ultrasonic transducer
transducer
ultrasonic
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
Application number
FR8016226A
Other languages
French (fr)
Other versions
FR2462837A1 (en
Inventor
Hubert Lechner
Claudio Meisser
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of FR2462837A1 publication Critical patent/FR2462837A1/en
Application granted granted Critical
Publication of FR2462837B1 publication Critical patent/FR2462837B1/en
Expired 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
    • B06B1/0644—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 a single piezoelectric element
    • B06B1/0662—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 a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0674—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 a single piezoelectric element with an electrode on the sensitive surface and a low impedance backing, e.g. air
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—Constructional details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
FR8016226A 1979-08-02 1980-07-23 ULTRASONIC TRANSDUCER Expired FR2462837B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH709679A CH642503A5 (en) 1979-08-02 1979-08-02 Ultrasound converter

Publications (2)

Publication Number Publication Date
FR2462837A1 FR2462837A1 (en) 1981-02-13
FR2462837B1 true FR2462837B1 (en) 1986-05-23

Family

ID=4319875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8016226A Expired FR2462837B1 (en) 1979-08-02 1980-07-23 ULTRASONIC TRANSDUCER

Country Status (7)

Country Link
CH (1) CH642503A5 (en)
DE (1) DE2934031C2 (en)
DK (1) DK151676C (en)
FR (1) FR2462837B1 (en)
IT (1) IT1132256B (en)
NL (1) NL182751C (en)
SE (1) SE441639B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2503517A1 (en) * 1981-04-06 1982-10-08 Thomson Csf Piezoelectric transducer for ultrasonic waves - has transducer with polymeric piezoelectric element of higher acoustic impedance than reflector and half wavelength thickness
GB2141902B (en) * 1983-05-23 1986-09-17 Raytheon Co Composite transducer
DK102592A (en) * 1992-08-18 1994-02-19 Reson System As Cavitation membrane transducer
DE59308386D1 (en) * 1993-01-11 1998-05-14 Landis & Gyr Tech Innovat Transducer with ultrasonic transducer
DK0609561T3 (en) * 1993-02-04 1997-02-24 Landis & Gyr Tech Innovat
DK172322B1 (en) * 1995-08-31 1998-03-16 Danfoss As An ultrasonic transducer
DE19601570A1 (en) * 1996-01-17 1997-07-24 Siemens Ag Acoustic coupling
DE29611678U1 (en) * 1996-07-04 1997-08-07 Siemens Ag Sound transducers, in particular ultrasound transducers
DE19820419A1 (en) * 1998-05-07 1999-11-18 Fraunhofer Ges Forschung Ultrasonic transducer
DE19830132A1 (en) * 1998-07-06 2000-01-13 Ulrich Gerber Method and device for treating liquid and energy supply device suitable therefor
ATE443848T1 (en) * 1998-07-22 2009-10-15 Flowtec Ag ULTRASONIC TRANSDUCER ARRANGEMENT
DE10026568C2 (en) * 2000-05-30 2002-11-21 Siemens Ag Connector for an ultrasonic transducer housing
WO2002071002A1 (en) * 2001-03-02 2002-09-12 Spanner-Pollux Gmbh Transducer for an ultrasonic flowmeter
DE10158015B4 (en) * 2001-11-27 2010-10-14 Hydrometer Gmbh Ultrasonic transducer and flow meter
FR2833450B1 (en) 2001-12-07 2004-11-19 Thales Sa HIGH-TRANSMISSION ACOUSTIC ANTENNA
ES2600525T3 (en) * 2003-04-21 2017-02-09 Teijin Pharma Limited Oxygen concentration system to generate oxygen enriched gas
DE102005001899B4 (en) * 2005-01-14 2007-03-08 Landis+Gyr Gmbh ultrasound probe
DE102009046146A1 (en) * 2009-10-29 2011-05-12 Robert Bosch Gmbh Ultrasonic transducer for use in a fluid medium
DE102009046148A1 (en) * 2009-10-29 2011-05-05 Robert Bosch Gmbh Ultrasonic transducer for use in a fluid medium
DE102009046147A1 (en) * 2009-10-29 2011-05-05 Robert Bosch Gmbh Ultrasonic transducer for use in a fluid medium
DE102010000967A1 (en) * 2010-01-18 2011-07-21 Robert Bosch GmbH, 70469 Ultrasonic transducer for use in a fluid medium
DE102012100032B4 (en) * 2012-01-03 2016-04-07 Dr. Raubenheimer GmbH Water purification system and method for treating water
FR3102304B1 (en) * 2019-10-17 2021-10-15 Sagemcom Energy & Telecom Sas Ultrasonic transducer piezoelectric cell holder

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743301C (en) * 1938-08-30 1943-12-22 Mix & Genest Ag Moisture-proof capsule microphone
DE899574C (en) * 1941-08-16 1953-12-14 Siemens Ag Piezoelectric vibration generator
DE1101831B (en) * 1959-07-23 1961-03-09 Siemens Ag Ultrasonic transducer working under a liquid level
BE623017A (en) * 1961-09-29
US3555311A (en) * 1969-01-23 1971-01-12 Marquardt Corp High pressure piezoelectric transducer
DE2223531B1 (en) * 1972-05-15 1973-11-08 Siemens Ag ELECTROACOUSTIC CONVERTER
CH557698A (en) * 1972-08-23 1975-01-15 Ciba Geigy Ag PROCESS FOR FRACTIONING A LIQUID, DEVICE IMPLEMENTING THIS PROCESS AND APPLICATION OF THIS PROCESS TO THE GRANULATION OF A PRELIMINATED PRODUCT.

Also Published As

Publication number Publication date
NL182751C (en) 1988-05-02
SE441639B (en) 1985-10-21
DK151676B (en) 1987-12-21
DE2934031B1 (en) 1980-10-09
DE2934031C2 (en) 1981-07-30
FR2462837A1 (en) 1981-02-13
SE8005519L (en) 1981-02-13
IT1132256B (en) 1986-07-02
CH642503A5 (en) 1984-04-13
NL182751B (en) 1987-12-01
NL8004410A (en) 1981-02-04
IT8023694A0 (en) 1980-07-25
DK330480A (en) 1981-02-03
DK151676C (en) 1988-05-24

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse