FR2494951B1 - Microphone a electret perfectionne - Google Patents

Microphone a electret perfectionne

Info

Publication number
FR2494951B1
FR2494951B1 FR8121972A FR8121972A FR2494951B1 FR 2494951 B1 FR2494951 B1 FR 2494951B1 FR 8121972 A FR8121972 A FR 8121972A FR 8121972 A FR8121972 A FR 8121972A FR 2494951 B1 FR2494951 B1 FR 2494951B1
Authority
FR
France
Prior art keywords
electret microphone
improved electret
improved
microphone
electret
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
FR8121972A
Other languages
English (en)
Other versions
FR2494951A1 (fr
Inventor
Paul L Cote
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.)
Gentex Corp
Original Assignee
Gentex Corp
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 Gentex Corp filed Critical Gentex Corp
Publication of FR2494951A1 publication Critical patent/FR2494951A1/fr
Application granted granted Critical
Publication of FR2494951B1 publication Critical patent/FR2494951B1/fr
Expired 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • 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
    • H04R19/01—Electrostatic transducers characterised by the use of electrets
    • H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
FR8121972A 1980-11-24 1981-11-24 Microphone a electret perfectionne Expired FR2494951B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/209,519 US4443666A (en) 1980-11-24 1980-11-24 Electret microphone assembly

Publications (2)

Publication Number Publication Date
FR2494951A1 FR2494951A1 (fr) 1982-05-28
FR2494951B1 true FR2494951B1 (fr) 1986-04-18

Family

ID=22779063

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8121972A Expired FR2494951B1 (fr) 1980-11-24 1981-11-24 Microphone a electret perfectionne

Country Status (6)

Country Link
US (1) US4443666A (fr)
JP (1) JPS57112199A (fr)
DE (1) DE3145105A1 (fr)
FR (1) FR2494951B1 (fr)
GB (1) GB2089170B (fr)
IT (1) IT1140231B (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3134888A1 (de) * 1981-09-03 1983-03-10 Robert Bosch Gmbh, 7000 Stuttgart "hoergeraet"
US4492825A (en) * 1982-07-28 1985-01-08 At&T Bell Laboratories Electroacoustic transducer
US4607383A (en) * 1983-08-18 1986-08-19 Gentex Corporation Throat microphone
US4767973A (en) * 1987-07-06 1988-08-30 Sarcos Incorporated Systems and methods for sensing position and movement
US5369955A (en) * 1990-07-25 1994-12-06 Thiokol Corporation Gas generator and method for making same for hazard reducing venting in case of fire
JP2971018B2 (ja) * 1995-11-17 1999-11-02 スター精密株式会社 電気音響変換器
TW387198B (en) 1997-09-03 2000-04-11 Hosiden Corp Audio sensor and its manufacturing method, and semiconductor electret capacitance microphone using the same
US6246762B1 (en) 1997-09-30 2001-06-12 Lucent Technologies, Inc. Spring biased microphone sub-assemblies
CA2315417A1 (fr) * 1999-08-11 2001-02-11 Hiroshi Une Microphone a condensateur electret
JP3456193B2 (ja) * 2000-06-08 2003-10-14 松下電器産業株式会社 コンデンサマイク装置
US6944308B2 (en) * 2000-10-20 2005-09-13 Bruel & Kjaer Sound & Vibration Measurement A/S Capacitive transducer
AU2002210400A1 (en) * 2000-10-20 2002-04-29 Bruel & Kjaer Sound & Vibration Measurement A/S A capacitive transducer
US6707920B2 (en) * 2000-12-12 2004-03-16 Otologics Llc Implantable hearing aid microphone
US7204799B2 (en) * 2003-11-07 2007-04-17 Otologics, Llc Microphone optimized for implant use
US7556597B2 (en) * 2003-11-07 2009-07-07 Otologics, Llc Active vibration attenuation for implantable microphone
US7840020B1 (en) 2004-04-01 2010-11-23 Otologics, Llc Low acceleration sensitivity microphone
US7214179B2 (en) * 2004-04-01 2007-05-08 Otologics, Llc Low acceleration sensitivity microphone
US7775964B2 (en) * 2005-01-11 2010-08-17 Otologics Llc Active vibration attenuation for implantable microphone
US8096937B2 (en) 2005-01-11 2012-01-17 Otologics, Llc Adaptive cancellation system for implantable hearing instruments
US7489793B2 (en) * 2005-07-08 2009-02-10 Otologics, Llc Implantable microphone with shaped chamber
US7522738B2 (en) * 2005-11-30 2009-04-21 Otologics, Llc Dual feedback control system for implantable hearing instrument
US8472654B2 (en) 2007-10-30 2013-06-25 Cochlear Limited Observer-based cancellation system for implantable hearing instruments
WO2010138911A1 (fr) 2009-05-29 2010-12-02 Otologics, Llc Procédé et système de stimulation auditive implantable avec microphones implantés décalés
US9210497B2 (en) 2012-09-06 2015-12-08 Shure Acquisition Holdings, Inc. Electrostatic earphone
US10284968B2 (en) 2015-05-21 2019-05-07 Cochlear Limited Advanced management of an implantable sound management system
US11071869B2 (en) 2016-02-24 2021-07-27 Cochlear Limited Implantable device having removable portion

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1129367A (en) * 1965-09-27 1968-10-02 Lansing Bagnall Ltd Improvements in or relating to the mounting of electrical components
US3436492A (en) * 1966-01-17 1969-04-01 Northern Electric Co Field effect electroacoustic transducer
US3816671A (en) * 1972-04-06 1974-06-11 Thermo Electron Corp Electret transducer cartridge and case
DE2318067A1 (de) * 1973-04-06 1974-10-24 Neumann Gmbh Georg Einen elektret aufweisender elektroakustischer wandler
US3895194A (en) * 1973-05-29 1975-07-15 Thermo Electron Corp Directional condenser electret microphone
JPS5223967U (fr) * 1975-08-12 1977-02-19
US4046974A (en) * 1976-10-01 1977-09-06 Bell Telephone Laboratories, Incorporated Electroacoustic transducer with springs forming electrical interconnections as a result of assembly
US4063050A (en) * 1976-12-30 1977-12-13 Industrial Research Products, Inc. Acoustic transducer with improved electret assembly
NL7802687A (nl) * 1978-03-13 1979-09-17 Philips Nv Dreunvrije microfooncombinatie bevattende twee microfoonelementen.
SU726675A1 (ru) * 1978-06-08 1980-04-05 Предприятие П/Я Р-6644 Электретный микрофон
GB2029161B (en) * 1978-08-21 1983-01-26 Hosiden Electronics Co Electret microphone
US4188513A (en) * 1978-11-03 1980-02-12 Northern Telecom Limited Electret microphone with simplified electrical connections by printed circuit board mounting
JPS5845239B2 (ja) * 1979-09-21 1983-10-07 株式会社東芝 コンデンサ形マイクロホン
US4331840A (en) * 1980-02-22 1982-05-25 Lectret S.A. Electret transducer with tapered acoustic chamber

Also Published As

Publication number Publication date
JPS57112199A (en) 1982-07-13
GB2089170A (en) 1982-06-16
FR2494951A1 (fr) 1982-05-28
DE3145105C2 (fr) 1990-03-29
DE3145105A1 (de) 1982-06-16
US4443666A (en) 1984-04-17
IT8124562A0 (it) 1981-10-19
IT1140231B (it) 1986-09-24
GB2089170B (en) 1984-07-18

Similar Documents

Publication Publication Date Title
FR2494951B1 (fr) Microphone a electret perfectionne
FR2485315B1 (fr) Casque a ecouteurs
GB2081552B (en) Electret transducer
FR2481039B1 (fr) Haut-parleur pour casques a ecouteurs
IT1194032B (it) Tromba di altoparlante
IT1140000B (it) Diaframma per altroparlanti
GB2029161B (en) Electret microphone
DK153619C (da) Elektret-mikrofon
DK151281A (da) Hoereapparat
JPS57118500A (en) Piezoelectric microphone
MX153674A (es) Mejoras en telefono de altavoz
GB2015299B (en) Electret microphone
IT1135564B (it) Trasduttore acustico
BE887973A (fr) Haut-parleur electrodynamique
JPS5566199A (en) Electret microphone
DK152412C (da) Tvangsstyret lydfrembringer
FR2490913B1 (fr) Haut-parleur electrodynamique
NL183558C (nl) Reflex-hoornluidspreker.
BR7904323A (pt) Microfone eletrostatico
ATA21383A (de) Fernsprechmikrofon
IT1154054B (it) Trasduttore elettroacustico
JPS54155820A (en) Talking microphone
FR2521380B2 (fr) Transducteur acoustique
SE8004414L (sv) Mikrofonenhet
ES250956Y (es) Altavoz mejorado