FR2451119A1 - Microphone capacitif - Google Patents

Microphone capacitif

Info

Publication number
FR2451119A1
FR2451119A1 FR8005235A FR8005235A FR2451119A1 FR 2451119 A1 FR2451119 A1 FR 2451119A1 FR 8005235 A FR8005235 A FR 8005235A FR 8005235 A FR8005235 A FR 8005235A FR 2451119 A1 FR2451119 A1 FR 2451119A1
Authority
FR
France
Prior art keywords
capacitive microphone
microphone
electret
transducer
capacitive
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.)
Granted
Application number
FR8005235A
Other languages
English (en)
French (fr)
Other versions
FR2451119B1 (enExample
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2451119A1 publication Critical patent/FR2451119A1/fr
Application granted granted Critical
Publication of FR2451119B1 publication Critical patent/FR2451119B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
FR8005235A 1979-03-08 1980-03-07 Microphone capacitif Granted FR2451119A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2710979A JPS55120300A (en) 1979-03-08 1979-03-08 Two-way electrostatic microphone

Publications (2)

Publication Number Publication Date
FR2451119A1 true FR2451119A1 (fr) 1980-10-03
FR2451119B1 FR2451119B1 (enExample) 1984-05-18

Family

ID=12211904

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8005235A Granted FR2451119A1 (fr) 1979-03-08 1980-03-07 Microphone capacitif

Country Status (7)

Country Link
US (1) US4329547A (enExample)
JP (1) JPS55120300A (enExample)
CA (1) CA1128644A (enExample)
DE (1) DE3008638A1 (enExample)
FR (1) FR2451119A1 (enExample)
GB (1) GB2044583B (enExample)
NL (1) NL8001332A (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5251264A (en) * 1992-03-25 1993-10-05 Motorola, Inc. Mechanical-vibration-cancelling piezo ceramic microphone
AU4032301A (en) * 2000-03-07 2001-09-17 George Raicevich A layered microphone structure
WO2001067810A1 (en) * 2000-03-07 2001-09-13 George Raicevich A double-capacitor microphone
US7035167B2 (en) * 2003-09-11 2006-04-25 General Phosphorix Seismic sensor
US7016262B2 (en) * 2003-09-11 2006-03-21 General Phosphorix, Llc Seismic sensor
US20060082158A1 (en) * 2004-10-15 2006-04-20 Schrader Jeffrey L Method and device for supplying power from acoustic energy
EP1821569A1 (en) * 2004-12-07 2007-08-22 NTT DoCoMo, Inc. Microphone device
US8090117B2 (en) * 2005-03-16 2012-01-03 James Cox Microphone array and digital signal processing system
JP4403412B2 (ja) 2005-04-22 2010-01-27 ソニー株式会社 マイクロホン
WO2006122010A1 (en) * 2005-05-09 2006-11-16 Knowles Electronics, Llc Conjoined receiver and microphone assembly
FI20055261A0 (fi) * 2005-05-27 2005-05-27 Midas Studios Avoin Yhtioe Akustisten muuttajien kokoonpano, järjestelmä ja menetelmä akustisten signaalien vastaanottamista tai toistamista varten
US7889882B2 (en) * 2006-12-20 2011-02-15 Leonard Marshall Selectable diaphragm condenser microphone
US20090163978A1 (en) * 2007-11-20 2009-06-25 Otologics, Llc Implantable electret microphone
JP5237046B2 (ja) * 2008-10-21 2013-07-17 株式会社オーディオテクニカ 可変指向性マイクロホンユニットおよび可変指向性マイクロホン
US8855350B2 (en) * 2009-04-28 2014-10-07 Cochlear Limited Patterned implantable electret microphone
JP5541769B2 (ja) * 2009-09-15 2014-07-09 株式会社オーディオテクニカ ステレオマイクロホンユニット及びステレオマイクロホン
ES2814226T3 (es) * 2009-11-02 2021-03-26 Mitsubishi Electric Corp Estructura de ventilador equipada con un sistema de control de ruido
WO2011123552A1 (en) 2010-03-30 2011-10-06 Otologics, Llc Low noise electret microphone
EP2432249A1 (en) 2010-07-02 2012-03-21 Knowles Electronics Asia PTE. Ltd. Microphone
EP3151580B1 (en) 2011-03-30 2018-11-21 Kaetel Systems GmbH Loudspeaker
DE112012005578B4 (de) * 2012-01-05 2019-11-07 Tdk Corporation Differenzielles Mikrofon und Verfahren zum Ansteuern eines differenziellen Mikrofons
US9179221B2 (en) * 2013-07-18 2015-11-03 Infineon Technologies Ag MEMS devices, interface circuits, and methods of making thereof
JP7410935B2 (ja) 2018-05-24 2024-01-10 ザ リサーチ ファウンデーション フォー ザ ステイト ユニバーシティー オブ ニューヨーク 容量性センサ
US11558695B2 (en) 2020-03-31 2023-01-17 Shure Acquisition Holdings, Inc. Condenser microphone pattern adjustment

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2155026A1 (de) * 1971-11-05 1973-05-17 Sennheiser Electronic Niederfrequenzkondensator-mikrofon hoher linearitaet
US4041446A (en) * 1976-05-20 1977-08-09 The United States Of America As Represented By The Secretary Of The Navy Capacitive-type displacement and pressure sensitive transducer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28420E (en) 1967-05-15 1975-05-13 Blbctret acoustic transducer
US3980838A (en) * 1974-02-20 1976-09-14 Tokyo Shibaura Electric Co., Ltd. Plural electret electroacoustic transducer
CA1025994A (en) * 1975-07-08 1978-02-07 Uniroyal Ltd. Electromechanical transducer
DE2738978A1 (de) * 1977-08-30 1979-03-15 Neumann Gmbh Georg Schaltungsanordnungen fuer elektret- kondensator-mikrophone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2155026A1 (de) * 1971-11-05 1973-05-17 Sennheiser Electronic Niederfrequenzkondensator-mikrofon hoher linearitaet
US4041446A (en) * 1976-05-20 1977-08-09 The United States Of America As Represented By The Secretary Of The Navy Capacitive-type displacement and pressure sensitive transducer

Also Published As

Publication number Publication date
DE3008638A1 (de) 1980-09-11
JPS55120300A (en) 1980-09-16
FR2451119B1 (enExample) 1984-05-18
GB2044583B (en) 1983-04-20
NL8001332A (nl) 1980-09-10
JPS6150560B2 (enExample) 1986-11-05
CA1128644A (en) 1982-07-27
US4329547A (en) 1982-05-11
GB2044583A (en) 1980-10-15

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Legal Events

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