AU506402B2 - Electroacoustic impedance bridge - Google Patents

Electroacoustic impedance bridge

Info

Publication number
AU506402B2
AU506402B2 AU16170/76A AU1617076A AU506402B2 AU 506402 B2 AU506402 B2 AU 506402B2 AU 16170/76 A AU16170/76 A AU 16170/76A AU 1617076 A AU1617076 A AU 1617076A AU 506402 B2 AU506402 B2 AU 506402B2
Authority
AU
Australia
Prior art keywords
impedance bridge
electroacoustic
electroacoustic impedance
bridge
impedance
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
AU16170/76A
Other languages
English (en)
Other versions
AU1617076A (en
Inventor
M. J Bennett
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.)
Madsen Electronics Granada) Ltd
Original Assignee
MADSEN ELECTRONICS CANADA Ltd
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 MADSEN ELECTRONICS CANADA Ltd filed Critical MADSEN ELECTRONICS CANADA Ltd
Publication of AU1617076A publication Critical patent/AU1617076A/en
Application granted granted Critical
Publication of AU506402B2 publication Critical patent/AU506402B2/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/12—Audiometering
    • A61B5/121—Audiometering evaluating hearing capacity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H15/00—Measuring mechanical or acoustic impedance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Multimedia (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AU16170/76A 1975-07-24 1976-07-23 Electroacoustic impedance bridge Expired AU506402B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB30,942/7 1975-07-24
GB30942/75A GB1522031A (en) 1975-07-24 1975-07-24 Electroacoustic impedance bridges

Publications (2)

Publication Number Publication Date
AU1617076A AU1617076A (en) 1978-01-26
AU506402B2 true AU506402B2 (en) 1980-01-03

Family

ID=10315528

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16170/76A Expired AU506402B2 (en) 1975-07-24 1976-07-23 Electroacoustic impedance bridge

Country Status (5)

Country Link
US (1) US4079198A (ref)
JP (1) JPS5238795A (ref)
AU (1) AU506402B2 (ref)
DE (1) DE2633308B2 (ref)
GB (1) GB1522031A (ref)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS541673A (en) * 1977-04-28 1979-01-08 Anpureido Spa Compliance and sound reflection action meter
US4201225A (en) * 1977-09-02 1980-05-06 Bethea James W Iii Method and apparatus for measuring stimulated acoustic reflex latency time
CA1146659A (en) * 1978-02-10 1983-05-17 National Research Development Corporation Hearing faculty testing and apparatus therefor
US4226248A (en) * 1978-10-26 1980-10-07 Manoli Samir H Phonocephalographic device
US4251686A (en) * 1978-12-01 1981-02-17 Sokolich William G Closed sound delivery system
IT1117554B (it) * 1979-01-12 1986-02-17 Cselt Centro Studi Lab Telecom Sistema di misura dell impedenza acustica dell orecchio
DE3116346A1 (de) * 1980-05-01 1982-03-04 National Research Development Corp., London Vorrichtung zum messen des tonvolumens bzw. des volumendurchflusses, insbesondere im niedrigbereich von nanolitern pro sekunde
US4429702A (en) 1981-06-22 1984-02-07 Electro Audio Dynamics, Inc. Apparatus for measurement of acoustic volume
US4459996A (en) * 1982-03-16 1984-07-17 Teele John H Ear pathology diagnosis apparatus and method
US4601295A (en) * 1982-03-16 1986-07-22 Teele John H Ear pathology diagnosis apparatus and method
DE3302461A1 (de) * 1983-01-26 1984-07-26 Juergen Dipl Ing Schroeter Verfahren und anordnung zur realisierung akustischer impedanzen
JPS59165598A (ja) * 1983-03-09 1984-09-18 Hitachi Ltd イヤホン特性測定装置
FR2546652B1 (fr) * 1983-05-27 1985-08-09 Michas Frederic Banc d'essai pour chaines electroacoustiques et notamment pour appareils de correction auditive
JPS60139642U (ja) * 1984-02-29 1985-09-14 東洋電装株式会社 自動二輪車用複合スイツチの作動装置
US5699809A (en) * 1985-11-17 1997-12-23 Mdi Instruments, Inc. Device and process for generating and measuring the shape of an acoustic reflectance curve of an ear
GB8622671D0 (en) * 1986-09-19 1986-10-22 Marchbanks R J Intracranial fluid pressure monitoring
US4809708A (en) * 1987-08-12 1989-03-07 Nicolet Instrument Corporation Method and apparatus for real bar measurements
US4813430A (en) * 1987-08-14 1989-03-21 Nicolet Instrument Corporation Microphonic probe tube mounting for real ear measurements
JPH02211125A (ja) * 1988-10-20 1990-08-22 Hitoshi Wada 中耳動特性表示方法および中耳動特性測定装置
US5651371A (en) * 1994-06-06 1997-07-29 The University Of Washington System and method for measuring acoustic reflectance
US5792072A (en) * 1994-06-06 1998-08-11 University Of Washington System and method for measuring acoustic reflectance
US5868682A (en) * 1995-01-26 1999-02-09 Mdi Instruments, Inc. Device and process for generating and measuring the shape of an acoustic reflectance curve of an ear
US5684251A (en) * 1995-03-28 1997-11-04 Northrop Grumman Corporation Portable acoustic impedance data acquisition and analysis system
DE19549165A1 (de) * 1995-12-29 1997-07-03 Juergen Heitmann Ermittlung von Daten über das Hörvermögen
DE19628978B4 (de) * 1996-07-18 2004-06-03 Kollmeier, Birger, Prof. Dr.Dr. Verfahren und Vorrichtung zur Erkennung eines Reflexes des menschlichen Stapedius-Muskels
DE19781937B3 (de) * 1996-08-12 2016-03-31 Mimosa Acoustics Verfahren und Vorrichtung zum Messen des akustischen Energieflusses in einem Ohrkanal
US6299584B1 (en) * 1997-04-03 2001-10-09 Etymotic Research, Inc. Hand-held hearing screener apparatus and removable probe tip therefore
US5954669A (en) * 1997-04-03 1999-09-21 Etymotic Research, Inc. Hand-held hearing screener apparatus
DE29800758U1 (de) * 1998-01-08 1998-05-20 Hortmann AG, 72654 Neckartenzlingen Ohrsonde für audiometrische Geräte
US6532296B1 (en) * 1998-07-29 2003-03-11 Michael Allen Vaudrey Active noise reduction audiometric headphones
US20030163021A1 (en) * 2002-02-26 2003-08-28 Miller Douglas Alan Method and system for external assessment of hearing aids that include implanted actuators
EP1316783B1 (de) * 2003-03-06 2008-01-23 Phonak Ag Verfahren zur Messung der akustischen Impendanz
US8251925B2 (en) * 2007-12-31 2012-08-28 Personics Holdings Inc. Device and method for radial pressure determination
US8419655B2 (en) * 2009-09-23 2013-04-16 JD Birck, LLC Method and apparatus for aural acoustic immittance measurement
CN102370485B (zh) * 2011-08-30 2013-08-07 天津迈达医学科技有限公司 数字式自动声控耳声导抗检测系统及其数字信号补偿方法
US10251790B2 (en) 2013-06-28 2019-04-09 Nocira, Llc Method for external ear canal pressure regulation to alleviate disorder symptoms
US9039639B2 (en) 2013-06-28 2015-05-26 Gbs Ventures Llc External ear canal pressure regulation system
US12396892B2 (en) 2013-06-28 2025-08-26 Nocira, Llc External ear canal pressure regulation device
US9264811B1 (en) 2014-04-16 2016-02-16 Audyssey Laboratories EQ correction for source device impedance and output device impedance interactions
JP5563144B1 (ja) * 2013-12-20 2014-07-30 リオン株式会社 イヤプローブ及びインピーダンスオージオメータ
US9468400B2 (en) * 2014-05-28 2016-10-18 Gn Otometrics A/S Audiologic test apparatus with dual probe system
DK2949271T3 (da) * 2014-05-28 2021-11-15 Natus Medical Incorporated Audiologisk testindretning med dobbeltsondesystem
US10760566B2 (en) 2016-07-22 2020-09-01 Nocira, Llc Magnetically driven pressure generator
EP4421815A3 (en) 2016-12-06 2024-12-11 Nocira, LLC Systems and methods for treating neurological disorders
EP3585335B1 (en) 2017-02-27 2024-05-08 Nocira, LLC Ear pumps
EP3810049A4 (en) 2018-06-22 2022-03-23 Nocira, LLC SYSTEMS AND METHODS FOR THE TREATMENT OF NEUROLOGICAL DISEASES
US11640816B1 (en) * 2022-02-23 2023-05-02 Acoustic Metamaterials LLC Metamaterial acoustic impedance matching device for headphone-type devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295513A (en) * 1967-01-03 Acoustic bridge for impedance measurements of the ear
US3294193A (en) * 1966-12-27 Acoustic impedance measuring instrument
US3757769A (en) * 1971-11-01 1973-09-11 Grason Stadler Comp Inc Acoustic admittance testing apparatus
US3949735A (en) * 1974-08-20 1976-04-13 American Electromedics Corporation Method and apparatus for an ipsilateral reflex test

Also Published As

Publication number Publication date
DE2633308A1 (de) 1977-02-03
JPS5238795A (en) 1977-03-25
AU1617076A (en) 1978-01-26
GB1522031A (en) 1978-08-23
US4079198A (en) 1978-03-14
JPS5646426B2 (ref) 1981-11-02
DE2633308B2 (de) 1978-10-05

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