AU2001242885A1 - Two-way mechano-electrical transducer - Google Patents

Two-way mechano-electrical transducer

Info

Publication number
AU2001242885A1
AU2001242885A1 AU2001242885A AU4288501A AU2001242885A1 AU 2001242885 A1 AU2001242885 A1 AU 2001242885A1 AU 2001242885 A AU2001242885 A AU 2001242885A AU 4288501 A AU4288501 A AU 4288501A AU 2001242885 A1 AU2001242885 A1 AU 2001242885A1
Authority
AU
Australia
Prior art keywords
transducer
sectors
center body
suspension structure
piezo
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.)
Abandoned
Application number
AU2001242885A
Other languages
English (en)
Inventor
Birger Orten
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.)
Meditron AS
Original Assignee
Meditron AS
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 Meditron AS filed Critical Meditron AS
Publication of AU2001242885A1 publication Critical patent/AU2001242885A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04R17/02—Microphones
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/24—Methods or devices for transmitting, conducting or directing sound for conducting sound through solid bodies, e.g. wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes
    • A61B7/04—Electric stethoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/488—Diagnostic techniques involving Doppler signals
    • 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
    • G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
    • G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric 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
    • 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
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0204—Acoustic sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
    • G01P2015/0805—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration
    • G01P2015/0822—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass
    • G01P2015/084—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass the mass being suspended at more than one of its sides, e.g. membrane-type suspension, so as to permit multi-axis movement of the mass

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Mechanical Engineering (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrophonic Musical Instruments (AREA)
AU2001242885A 2000-06-23 2001-02-21 Two-way mechano-electrical transducer Abandoned AU2001242885A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US21347700P 2000-06-23 2000-06-23
US60213477 2000-06-23
PCT/NO2001/000064 WO2002000117A1 (en) 2000-06-23 2001-02-21 Two-way mechano-electrical transducer

Publications (1)

Publication Number Publication Date
AU2001242885A1 true AU2001242885A1 (en) 2002-01-08

Family

ID=22795268

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001242885A Abandoned AU2001242885A1 (en) 2000-06-23 2001-02-21 Two-way mechano-electrical transducer

Country Status (14)

Country Link
US (2) US6619126B2 (ko)
EP (1) EP1292228B1 (ko)
JP (1) JP2004500951A (ko)
KR (1) KR20030011925A (ko)
CN (1) CN1278651C (ko)
AT (1) ATE302566T1 (ko)
AU (1) AU2001242885A1 (ko)
BR (1) BR0112278A (ko)
CA (1) CA2413410A1 (ko)
DE (1) DE60112934T2 (ko)
EA (1) EA200300053A1 (ko)
NZ (1) NZ523691A (ko)
PL (1) PL359370A1 (ko)
WO (1) WO2002000117A1 (ko)

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WO2001031714A1 (en) * 1999-10-22 2001-05-03 The Government Of The United States, As Represented By The Administrator Of The National Aeronautics And Space Administration Membrane position control
NL1024722C2 (nl) * 2002-11-07 2005-12-23 Corning Inc Laag uitgassend rubberachtig polymeermateriaal dat hardbaar is door een licht- of elektronenbundel, alsmede de bereiding en het gebruik daarvan.
NO20034247L (no) * 2003-09-23 2005-03-29 Meditron Asa Diagnostisk apparat
US7057330B2 (en) * 2003-12-18 2006-06-06 Palo Alto Research Center Incorporated Broad frequency band energy scavenger
EP1713134A1 (de) * 2005-04-14 2006-10-18 Delphi Technologies, Inc. Vibrationssensor und Verfahren zu dessen Herstellung
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
US8638956B2 (en) * 2009-08-06 2014-01-28 Ken K. Deng Acoustic velocity microphone using a buoyant object
DE102010029278B4 (de) 2010-05-25 2019-05-23 Deutsches Zentrum für Luft- und Raumfahrt e.V. Sensor und Aktuator für mehrere Rotationsfreiheitsgrade
CN105118496B (zh) * 2015-09-11 2019-09-13 黄礼范 声学超材料基本结构单元及其复合结构和装配方法
RU2611735C1 (ru) * 2016-04-04 2017-02-28 Федеральное государственное бюджетное учреждение науки Тихоокеанский океанологический институт им. В.И. Ильичева Дальневосточного отделения Российской академии наук (ТОИ ДВО РАН) Комбинированный приемник для регистрации дыхательных звуков на поверхности грудной клетки
US10507009B2 (en) 2017-10-05 2019-12-17 EchoNous, Inc. System and method for fusing ultrasound with additional signals
US11493652B2 (en) 2018-09-05 2022-11-08 Pgs Geophysical As Two-axis sensing element
AU2019356470A1 (en) 2018-10-08 2021-05-13 EchoNous, Inc. Device including ultrasound, auscultation, and ambient noise sensors
CN111405441B (zh) * 2020-04-16 2021-06-15 瑞声声学科技(深圳)有限公司 一种压电式mems麦克风
CN111678626B (zh) * 2020-08-11 2020-12-08 山东道永盛信息科技有限公司 一种包含交织挠性敏感元件的压电传感器及其检测方法
JP7467317B2 (ja) 2020-11-12 2024-04-15 株式会社東芝 音響検査装置及び音響検査方法

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Also Published As

Publication number Publication date
WO2002000117A1 (en) 2002-01-03
US6619126B2 (en) 2003-09-16
KR20030011925A (ko) 2003-02-11
CA2413410A1 (en) 2002-01-03
EA200300053A1 (ru) 2003-06-26
CN1278651C (zh) 2006-10-11
US20020043110A1 (en) 2002-04-18
US20020030421A1 (en) 2002-03-14
NZ523691A (en) 2004-05-28
EP1292228A1 (en) 2003-03-19
ATE302566T1 (de) 2005-09-15
US6624551B2 (en) 2003-09-23
CN1437456A (zh) 2003-08-20
JP2004500951A (ja) 2004-01-15
PL359370A1 (en) 2004-08-23
EP1292228B1 (en) 2005-08-24
BR0112278A (pt) 2003-06-10
DE60112934T2 (de) 2006-06-14
DE60112934D1 (de) 2005-09-29

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