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AU2001246558A1 - Microphone structure - Google Patents

Microphone structure

Info

Publication number
AU2001246558A1
AU2001246558A1 AU2001246558A AU4655801A AU2001246558A1 AU 2001246558 A1 AU2001246558 A1 AU 2001246558A1 AU 2001246558 A AU2001246558 A AU 2001246558A AU 4655801 A AU4655801 A AU 4655801A AU 2001246558 A1 AU2001246558 A1 AU 2001246558A1
Authority
AU
Australia
Prior art keywords
microphone structure
microphone
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
AU2001246558A
Inventor
Karl-Erik Gustafsson
Tapio Mantysalo
Nina Muurinen
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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
Priority claimed from FI20000569A external-priority patent/FI20000569A0/en
Application filed by Nokia Oyj filed Critical Nokia Oyj
Publication of AU2001246558A1 publication Critical patent/AU2001246558A1/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/007—Protection circuits for transducers
    • 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)
  • Circuit For Audible Band Transducer (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Emergency Protection Circuit Devices (AREA)
AU2001246558A 2000-03-10 2001-03-06 Microphone structure Abandoned AU2001246558A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FI20000569 2000-03-10
FI20000569A FI20000569A0 (en) 2000-03-10 2000-03-10 microphone structure
FI20001327 2000-06-02
FI20001327A FI109641B (en) 2000-03-10 2000-06-02 microphone structure
PCT/FI2001/000221 WO2001067811A1 (en) 2000-03-10 2001-03-06 Microphone structure

Publications (1)

Publication Number Publication Date
AU2001246558A1 true AU2001246558A1 (en) 2001-09-17

Family

ID=26160974

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001246558A Abandoned AU2001246558A1 (en) 2000-03-10 2001-03-06 Microphone structure

Country Status (8)

Country Link
US (1) US6928174B1 (en)
EP (1) EP1264512A1 (en)
JP (1) JP2003526299A (en)
KR (1) KR100731965B1 (en)
CN (1) CN1212046C (en)
AU (1) AU2001246558A1 (en)
FI (1) FI109641B (en)
WO (1) WO2001067811A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003230195A (en) * 2002-02-06 2003-08-15 Hosiden Corp Electret capacitor microphone
KR20040020365A (en) * 2002-08-30 2004-03-09 주식회사 서강 Condencer Microphone Built-in Pre-Amplifier
EP1614324A4 (en) * 2003-03-20 2010-07-07 Bse Co Ltd Condenser microphone employing wide band stop filter and having improved resistance to electrostatic discharge
US7130434B1 (en) * 2003-03-26 2006-10-31 Plantronics, Inc. Microphone PCB with integrated filter
KR20050089219A (en) * 2004-03-04 2005-09-08 주식회사 팬택앤큐리텔 Electret condenser microphone capable of isolating noise and protecting electro-static discharge
CN1969486A (en) 2004-06-16 2007-05-23 皇家飞利浦电子股份有限公司 Passive processing device for interfacing and for ESD and radio signal rejection in audio signal paths of an electronic device
KR100706441B1 (en) 2005-02-28 2007-04-10 주식회사 팬택앤큐리텔 Electret Condenser Microphone
JP4533783B2 (en) * 2005-03-31 2010-09-01 株式会社オーディオテクニカ Unidirectional condenser microphone unit
US7515944B2 (en) 2005-11-30 2009-04-07 Research In Motion Limited Wireless headset having improved RF immunity to RF electromagnetic interference produced from a mobile wireless communications device
JP4764234B2 (en) * 2006-04-07 2011-08-31 株式会社東芝 Impedance conversion circuit and electronic device
JP4810315B2 (en) * 2006-05-31 2011-11-09 株式会社オーディオテクニカ Condenser microphone
JP5404220B2 (en) * 2009-07-09 2014-01-29 株式会社オーディオテクニカ Condenser microphone
CN103152081B (en) * 2013-03-15 2015-07-29 青岛歌尔声学科技有限公司 A kind of bluetooth equipment
US9445779B2 (en) 2014-10-02 2016-09-20 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Infrasonic stethoscope for monitoring physiological processes
CN106412734A (en) * 2016-10-31 2017-02-15 维沃移动通信有限公司 Antistatic microphone
DE102017109778A1 (en) * 2017-05-08 2018-11-08 Sennheiser Electronic Gmbh & Co. Kg condenser microphone

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8617107D0 (en) * 1986-07-14 1986-08-20 Erba Farmitalia 6-/7-methylenandrosta-1 4-diene-3 17-dione derivatives
US4817164A (en) * 1987-03-20 1989-03-28 Northern Telecom Limited Electrostatic discharge protector for an electret microphone
CA1297578C (en) * 1988-02-26 1992-03-17 Mark Walter Pocock Modular microphone assembly
JPH0353099A (en) * 1989-07-19 1991-03-07 Matsushita Electric Ind Co Ltd Method for processing ta base material
JP2895946B2 (en) * 1990-10-08 1999-05-31 株式会社ゼクセル Fluorescent display tube filament drive circuit
KR950003967B1 (en) * 1992-02-27 1995-04-21 삼성전자주식회사 Wireless remote controlling device of multi air contitioner
JPH0653078A (en) * 1992-07-27 1994-02-25 Mitsubishi Materials Corp Laminated capacitor array with varistor function
US5500629A (en) * 1993-09-10 1996-03-19 Meyer Dennis R Noise suppressor
US5703747A (en) 1995-02-22 1997-12-30 Voldman; Steven Howard Multichip semiconductor structures with interchip electrostatic discharge protection, and fabrication methods therefore
JPH0951605A (en) * 1995-08-04 1997-02-18 Motor Jidosha Kk Noise trouble preventive device of electric vehicle
JP3326767B2 (en) * 1996-09-25 2002-09-24 ホシデン株式会社 Electret microphone
JP3701757B2 (en) * 1996-11-19 2005-10-05 株式会社オーディオテクニカ Condenser microphone power circuit
US5880643A (en) * 1997-11-17 1999-03-09 Telefonaktiebolaget L M Ericsson Monolithic high frequency voltage controlled oscillator trimming circuit
JPH11183289A (en) * 1997-12-25 1999-07-09 Hokuriku Electric Ind Co Ltd Protective circuit for capacitance type pressure sensor
US6504937B1 (en) * 1998-01-06 2003-01-07 Vxi Corporation Amplifier circuit for electret microphone with enhanced performance
US6642297B1 (en) * 1998-01-16 2003-11-04 Littelfuse, Inc. Polymer composite materials for electrostatic discharge protection
JP4227679B2 (en) * 1998-05-07 2009-02-18 株式会社オーディオテクニカ Impedance converter
JP3805543B2 (en) * 1998-11-19 2006-08-02 三菱電機株式会社 Semiconductor integrated circuit
JP3951565B2 (en) * 1999-07-08 2007-08-01 松下電器産業株式会社 Condenser microphone unit
FI108186B (en) * 1999-09-29 2001-11-30 Nokia Mobile Phones Ltd Display frame with integrated ESD protection and user interface structure
JP4129108B2 (en) * 2000-02-25 2008-08-06 三菱電機株式会社 Microphone filter and microphone device
US6953980B2 (en) * 2002-06-11 2005-10-11 Semiconductor Components Industries, Llc Semiconductor filter circuit and method

Also Published As

Publication number Publication date
CN1212046C (en) 2005-07-20
US6928174B1 (en) 2005-08-09
JP2003526299A (en) 2003-09-02
FI109641B (en) 2002-09-13
KR20020086622A (en) 2002-11-18
WO2001067811A1 (en) 2001-09-13
CN1416662A (en) 2003-05-07
KR100731965B1 (en) 2007-06-25
FI20001327A (en) 2001-09-11
EP1264512A1 (en) 2002-12-11
FI20001327A0 (en) 2000-06-02

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