SG62085G - Unidirectional electret microphone - Google Patents

Unidirectional electret microphone

Info

Publication number
SG62085G
SG62085G SG620/85A SG62085A SG62085G SG 62085 G SG62085 G SG 62085G SG 620/85 A SG620/85 A SG 620/85A SG 62085 A SG62085 A SG 62085A SG 62085 G SG62085 G SG 62085G
Authority
SG
Singapore
Prior art keywords
electret microphone
unidirectional electret
unidirectional
microphone
electret
Prior art date
Application number
SG620/85A
Other languages
English (en)
Original Assignee
Hosiden Electronics Co
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 Hosiden Electronics Co filed Critical Hosiden Electronics Co
Publication of SG62085G publication Critical patent/SG62085G/en

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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • 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

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • 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)
SG620/85A 1981-03-25 1985-08-24 Unidirectional electret microphone SG62085G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981042922U JPS622879Y2 (cs) 1981-03-25 1981-03-25

Publications (1)

Publication Number Publication Date
SG62085G true SG62085G (en) 1986-06-13

Family

ID=12649509

Family Applications (1)

Application Number Title Priority Date Filing Date
SG620/85A SG62085G (en) 1981-03-25 1985-08-24 Unidirectional electret microphone

Country Status (6)

Country Link
US (1) US4456796A (cs)
JP (1) JPS622879Y2 (cs)
DE (1) DE3211072C3 (cs)
GB (1) GB2095511B (cs)
HK (1) HK5186A (cs)
SG (1) SG62085G (cs)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
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US4516428A (en) * 1982-10-28 1985-05-14 Pan Communications, Inc. Acceleration vibration detector
GB2164819B (en) * 1984-09-19 1988-09-28 Gibson Dawson Joseph Microphone
US4633045A (en) * 1985-02-13 1986-12-30 Crown International, Inc. Differential microphone
US4685137A (en) * 1985-05-17 1987-08-04 Electrovoice, Inc. Microphone with non-symmetrical directivity pattern
DE3852156T2 (de) * 1987-03-04 1995-05-11 Hosiden Corp Membraneinheit eines elektrostatischen mikrophons, ein verfahren zu ihrer herstellung und ein elektrostatisches mikrophon.
US7881486B1 (en) 1996-12-31 2011-02-01 Etymotic Research, Inc. Directional microphone assembly
US5878147A (en) 1996-12-31 1999-03-02 Etymotic Research, Inc. Directional microphone assembly
US6151399A (en) * 1996-12-31 2000-11-21 Etymotic Research, Inc. Directional microphone system providing for ease of assembly and disassembly
US6278377B1 (en) 1999-08-25 2001-08-21 Donnelly Corporation Indicator for vehicle accessory
EP1142442A2 (en) * 1999-01-07 2001-10-10 Sarnoff Corporation Hearing aid with large diaphragm microphone element including a printed circuit board
US8682005B2 (en) * 1999-11-19 2014-03-25 Gentex Corporation Vehicle accessory microphone
US7447320B2 (en) * 2001-02-14 2008-11-04 Gentex Corporation Vehicle accessory microphone
US6882734B2 (en) 2001-02-14 2005-04-19 Gentex Corporation Vehicle accessory microphone
WO2001037519A2 (en) 1999-11-19 2001-05-25 Gentex Corporation Vehicle accessory microphone
EP1330940B1 (en) 2000-10-05 2012-03-07 Etymotic Research, Inc Directional microphone assembly
KR200218653Y1 (ko) * 2000-11-01 2001-04-02 주식회사비에스이 일렉트렛 콘덴서 마이크로폰
US8623710B1 (en) 2000-11-28 2014-01-07 Knowles Electronics, Llc Methods of manufacture of bottom port multi-part surface mount silicon condenser microphone packages
US7434305B2 (en) 2000-11-28 2008-10-14 Knowles Electronics, Llc. Method of manufacturing a microphone
US6654473B2 (en) * 2001-05-09 2003-11-25 Knowles Electronics, Llc Condenser microphone
US7065224B2 (en) * 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
JP2004075818A (ja) * 2002-08-15 2004-03-11 Fuji Photo Film Co Ltd インク組成物及びインクジェット記録方法
KR100464700B1 (ko) * 2002-09-27 2005-01-05 부전전자부품 주식회사 지향성 콘덴서 마이크로폰
JP4033830B2 (ja) * 2002-12-03 2008-01-16 ホシデン株式会社 マイクロホン
JP4205420B2 (ja) * 2002-12-24 2009-01-07 スター精密株式会社 マイクロホン装置およびホルダ
US7136500B2 (en) * 2003-08-05 2006-11-14 Knowles Electronics, Llc. Electret condenser microphone
KR100675026B1 (ko) * 2003-11-05 2007-01-29 주식회사 비에스이 메인 ｐｃｂ에 콘덴서 마이크로폰을 실장하는 방법
EP1574841A1 (de) * 2004-03-08 2005-09-14 Siemens Building Technologies AG Photoakustischer Gassensor
US7415121B2 (en) * 2004-10-29 2008-08-19 Sonion Nederland B.V. Microphone with internal damping
JP4539450B2 (ja) * 2004-11-04 2010-09-08 オムロン株式会社 容量型振動センサ及びその製造方法
JP4615972B2 (ja) * 2004-11-29 2011-01-19 株式会社オーディオテクニカ コンデンサマイクロホンユニット
JP4751057B2 (ja) * 2004-12-15 2011-08-17 シチズン電子株式会社 コンデンサマイクロホンとその製造方法
DE102005008512B4 (de) 2005-02-24 2016-06-23 Epcos Ag Elektrisches Modul mit einem MEMS-Mikrofon
DE102005008511B4 (de) * 2005-02-24 2019-09-12 Tdk Corporation MEMS-Mikrofon
DE102005008514B4 (de) * 2005-02-24 2019-05-16 Tdk Corporation Mikrofonmembran und Mikrofon mit der Mikrofonmembran
JP4533783B2 (ja) * 2005-03-31 2010-09-01 株式会社オーディオテクニカ 単一指向性コンデンサマイクロホンユニット
DE102005053767B4 (de) * 2005-11-10 2014-10-30 Epcos Ag MEMS-Mikrofon, Verfahren zur Herstellung und Verfahren zum Einbau
DE102005053765B4 (de) * 2005-11-10 2016-04-14 Epcos Ag MEMS-Package und Verfahren zur Herstellung
JP2009071346A (ja) * 2007-09-10 2009-04-02 Hosiden Corp コンデンサマイクロホン
US7832080B2 (en) * 2007-10-11 2010-11-16 Etymotic Research, Inc. Directional microphone assembly
DE102008058787B4 (de) * 2008-11-24 2017-06-08 Sennheiser Electronic Gmbh & Co. Kg Mikrofon
JP5171670B2 (ja) * 2009-01-29 2013-03-27 株式会社オーディオテクニカ コンデンサマイクロホンユニット
US9374643B2 (en) 2011-11-04 2016-06-21 Knowles Electronics, Llc Embedded dielectric as a barrier in an acoustic device and method of manufacture
JP5856872B2 (ja) * 2012-02-22 2016-02-10 株式会社オーディオテクニカ 単一指向性コンデンサマイクロホンおよびその音響抵抗調整方法
US9078063B2 (en) 2012-08-10 2015-07-07 Knowles Electronics, Llc Microphone assembly with barrier to prevent contaminant infiltration
DE102013106353B4 (de) * 2013-06-18 2018-06-28 Tdk Corporation Verfahren zum Aufbringen einer strukturierten Beschichtung auf ein Bauelement
JP2017005654A (ja) * 2015-06-16 2017-01-05 株式会社オーディオテクニカ 単一指向性コンデンサマイクロホン
US9794661B2 (en) 2015-08-07 2017-10-17 Knowles Electronics, Llc Ingress protection for reducing particle infiltration into acoustic chamber of a MEMS microphone package
JP6644965B2 (ja) * 2015-12-03 2020-02-12 株式会社オーディオテクニカ 狭指向性マイクロホン

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1041082B (de) * 1953-12-21 1958-10-16 Nordwestdeutscher Rundfunk I L Kondensatormikrofon mit einstellbarer Charakteristik
DE1437420C3 (de) * 1964-07-21 1978-06-22 Elly 1000 Berlin Neumann Geb. Kosak Kondensator-Richtmikrophonkapsel
GB1148118A (en) * 1965-12-10 1969-04-10 Tesla Np Condenser microphone
JPS4861126A (cs) * 1971-12-02 1973-08-27
JPS5654711Y2 (cs) * 1976-06-11 1981-12-19
JPS5754399Y2 (cs) * 1978-02-20 1982-11-25
JPS5729432Y2 (cs) * 1978-08-05 1982-06-28
JPS5756640Y2 (cs) * 1978-09-30 1982-12-06

Also Published As

Publication number Publication date
GB2095511B (en) 1985-02-06
JPS57155890U (cs) 1982-09-30
JPS622879Y2 (cs) 1987-01-22
DE3211072A1 (de) 1982-11-18
HK5186A (en) 1986-01-31
GB2095511A (en) 1982-09-29
DE3211072C3 (de) 1997-03-13
US4456796A (en) 1984-06-26

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