FR2647621B1 - Microphone sonde comprenant un transducteur acoustique avec une cavite a laquelle sont raccordes un tube de sonde et un tube d'adaptation d'impedance - Google Patents

Microphone sonde comprenant un transducteur acoustique avec une cavite a laquelle sont raccordes un tube de sonde et un tube d'adaptation d'impedance

Info

Publication number
FR2647621B1
FR2647621B1 FR9006664A FR9006664A FR2647621B1 FR 2647621 B1 FR2647621 B1 FR 2647621B1 FR 9006664 A FR9006664 A FR 9006664A FR 9006664 A FR9006664 A FR 9006664A FR 2647621 B1 FR2647621 B1 FR 2647621B1
Authority
FR
France
Prior art keywords
probe
tube
cavity
acoustic transducer
impedance adapter
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 - Fee Related
Application number
FR9006664A
Other languages
English (en)
Other versions
FR2647621A1 (fr
Inventor
Frederiksen Erling
Schultz Ole
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.)
BRUEL KJAER AS
Original Assignee
BRUEL KJAER 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 BRUEL KJAER AS filed Critical BRUEL KJAER AS
Publication of FR2647621A1 publication Critical patent/FR2647621A1/fr
Application granted granted Critical
Publication of FR2647621B1 publication Critical patent/FR2647621B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H04R1/086—Protective screens, e.g. all weather or wind screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR9006664A 1989-05-29 1990-05-29 Microphone sonde comprenant un transducteur acoustique avec une cavite a laquelle sont raccordes un tube de sonde et un tube d'adaptation d'impedance Expired - Fee Related FR2647621B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK262489A DK163400C (da) 1989-05-29 1989-05-29 Sondemikrofon

Publications (2)

Publication Number Publication Date
FR2647621A1 FR2647621A1 (fr) 1990-11-30
FR2647621B1 true FR2647621B1 (fr) 1993-12-31

Family

ID=8113879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9006664A Expired - Fee Related FR2647621B1 (fr) 1989-05-29 1990-05-29 Microphone sonde comprenant un transducteur acoustique avec une cavite a laquelle sont raccordes un tube de sonde et un tube d'adaptation d'impedance

Country Status (6)

Country Link
US (1) US5136656A (fr)
JP (1) JPH0322698A (fr)
DE (1) DE4017151C2 (fr)
DK (1) DK163400C (fr)
FR (1) FR2647621B1 (fr)
GB (1) GB2232322B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5410608A (en) * 1992-09-29 1995-04-25 Unex Corporation Microphone
US6252965B1 (en) 1996-09-19 2001-06-26 Terry D. Beard Multichannel spectral mapping audio apparatus and method
US6154546A (en) * 1997-12-18 2000-11-28 Resound Corporation Probe microphone
GB2372397B (en) 2001-02-20 2004-10-06 Mitel Corp Microphone gasket with integrated acoustic resistance
DE602004011327T2 (de) * 2003-04-28 2008-12-24 Oticon A/S Mikrofon, hörgerät mit einem mikrofon und einlass-struktur für ein mikrofon
WO2014043241A1 (fr) 2012-09-14 2014-03-20 Robert Bosch Gmbh Dispositif de test de microphone

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2085130A (en) * 1936-06-18 1937-06-29 Bell Telephone Labor Inc Acoustic device
US2228886A (en) * 1938-10-31 1941-01-14 Rca Corp Electroacoustical apparatus
DE1073546B (de) * 1955-05-26 1960-01-21 Rudolf Gorike Wien Dr Richtmikrophon mit geringer Erschutterungs- und Windempfind lichkeit
CH437836A (de) * 1964-07-02 1967-06-15 Rohde & Schwarz Ohg Fluglärmüberwachungsanlage
US4029083A (en) * 1975-05-12 1977-06-14 Baylor Carl S Probe for audiometric apparatus
DD143824A1 (de) * 1979-05-23 1980-09-10 Dieter Scheler Vorrichtung zur ueberwachung von laermpegeln an gefaehrdeten anlagen
US4270627A (en) * 1979-07-02 1981-06-02 Hill Raymond R Stethoscope with probe sound pick-up and resonant cavity amplification
US4555598A (en) * 1983-09-21 1985-11-26 At&T Bell Laboratories Teleconferencing acoustic transducer
US4677679A (en) * 1984-07-05 1987-06-30 Killion Mead C Insert earphones for audiometry
DK152160C (da) * 1985-05-28 1988-08-15 Brueel & Kjaer As Anordning ved trykmikrofoner til forbedring af disses lavfrekvensegenskaber

Also Published As

Publication number Publication date
US5136656A (en) 1992-08-04
GB2232322A (en) 1990-12-05
FR2647621A1 (fr) 1990-11-30
DE4017151C2 (de) 1998-11-12
DK163400C (da) 1992-07-13
DK163400B (da) 1992-02-24
DK262489A (da) 1990-11-30
GB9011191D0 (en) 1990-07-04
DK262489D0 (da) 1989-05-29
JPH0322698A (ja) 1991-01-31
DE4017151A1 (de) 1990-12-06
GB2232322B (en) 1993-12-22

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Legal Events

Date Code Title Description
ST Notification of lapse