IT1132256B - ULTRASONIC TRANSDUCER - Google Patents

ULTRASONIC TRANSDUCER

Info

Publication number
IT1132256B
IT1132256B IT23694/80A IT2369480A IT1132256B IT 1132256 B IT1132256 B IT 1132256B IT 23694/80 A IT23694/80 A IT 23694/80A IT 2369480 A IT2369480 A IT 2369480A IT 1132256 B IT1132256 B IT 1132256B
Authority
IT
Italy
Prior art keywords
ultrasonic transducer
transducer
ultrasonic
Prior art date
Application number
IT23694/80A
Other languages
Italian (it)
Other versions
IT8023694A0 (en
Inventor
Claudio Meisser
Hubert Lechner
Original Assignee
Landis & 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 & Gyr Ag filed Critical Landis & Gyr Ag
Publication of IT8023694A0 publication Critical patent/IT8023694A0/en
Application granted granted Critical
Publication of IT1132256B publication Critical patent/IT1132256B/en

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
IT23694/80A 1979-08-02 1980-07-25 ULTRASONIC TRANSDUCER IT1132256B (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
IT8023694A0 IT8023694A0 (en) 1980-07-25
IT1132256B true IT1132256B (en) 1986-07-02

Family

ID=4319875

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23694/80A IT1132256B (en) 1979-08-02 1980-07-25 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
DK0606536T3 (en) * 1993-01-11 1999-01-11 Landis & Gyr Tech Innovat Meter with ultrasonic transducer
EP0609561B1 (en) * 1993-02-04 1996-09-04 Landis & Gyr Technology Innovation AG Transducer
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
EP0974814B1 (en) * 1998-07-22 2009-09-23 Endress + Hauser Flowtec AG Ultrasound transducer device
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
US7213468B2 (en) * 2003-04-21 2007-05-08 Teijin Pharma Limited Ultrasonic apparatus and method for measuring the concentration and flow rate of gas
DE102005001899B4 (en) * 2005-01-14 2007-03-08 Landis+Gyr Gmbh ultrasound probe
DE102009046147A1 (en) * 2009-10-29 2011-05-05 Robert Bosch Gmbh Ultrasonic transducer for use in a fluid medium
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
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
FR2462837B1 (en) 1986-05-23
NL8004410A (en) 1981-02-04
DE2934031B1 (en) 1980-10-09
DK330480A (en) 1981-02-03
DE2934031C2 (en) 1981-07-30
NL182751C (en) 1988-05-02
FR2462837A1 (en) 1981-02-13
DK151676C (en) 1988-05-24
DK151676B (en) 1987-12-21
SE441639B (en) 1985-10-21
NL182751B (en) 1987-12-01
SE8005519L (en) 1981-02-13
CH642503A5 (en) 1984-04-13
IT8023694A0 (en) 1980-07-25

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