JPS5756640Y2 - - Google Patents

Info

Publication number
JPS5756640Y2
JPS5756640Y2 JP1978135215U JP13521578U JPS5756640Y2 JP S5756640 Y2 JPS5756640 Y2 JP S5756640Y2 JP 1978135215 U JP1978135215 U JP 1978135215U JP 13521578 U JP13521578 U JP 13521578U JP S5756640 Y2 JPS5756640 Y2 JP S5756640Y2
Authority
JP
Japan
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
JP1978135215U
Other languages
Japanese (ja)
Other versions
JPS5551583U (en]
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 filed Critical
Priority to JP1978135215U priority Critical patent/JPS5756640Y2/ja
Priority to US06/077,702 priority patent/US4281222A/en
Priority to GB7933038A priority patent/GB2033695B/en
Priority to DE19792939479 priority patent/DE2939479A1/de
Publication of JPS5551583U publication Critical patent/JPS5551583U/ja
Application granted granted Critical
Publication of JPS5756640Y2 publication Critical patent/JPS5756640Y2/ja
Priority to HK550/83A priority patent/HK55083A/xx
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
    • H04R1/20—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
    • 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)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP1978135215U 1978-09-30 1978-09-30 Expired JPS5756640Y2 (en])

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP1978135215U JPS5756640Y2 (en]) 1978-09-30 1978-09-30
US06/077,702 US4281222A (en) 1978-09-30 1979-09-21 Miniaturized unidirectional electret microphone
GB7933038A GB2033695B (en) 1978-09-30 1979-09-24 Miniaturized unidirectional electret microphone
DE19792939479 DE2939479A1 (de) 1978-09-30 1979-09-28 Miniaturisiertes elektret-richtmikrophon
HK550/83A HK55083A (en) 1978-09-30 1983-11-10 Miniaturized unidirectional electret microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1978135215U JPS5756640Y2 (en]) 1978-09-30 1978-09-30

Publications (2)

Publication Number Publication Date
JPS5551583U JPS5551583U (en]) 1980-04-04
JPS5756640Y2 true JPS5756640Y2 (en]) 1982-12-06

Family

ID=15146517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978135215U Expired JPS5756640Y2 (en]) 1978-09-30 1978-09-30

Country Status (5)

Country Link
US (1) US4281222A (en])
JP (1) JPS5756640Y2 (en])
DE (1) DE2939479A1 (en])
GB (1) GB2033695B (en])
HK (1) HK55083A (en])

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS622879Y2 (en]) * 1981-03-25 1987-01-22
DE3134888A1 (de) * 1981-09-03 1983-03-10 Robert Bosch Gmbh, 7000 Stuttgart "hoergeraet"
FR2542552B1 (fr) * 1983-03-07 1986-04-11 Thomson Csf Transducteur electroacoustique a diaphragme piezo-electrique
CA1202713A (en) * 1984-03-16 1986-04-01 Beverley W. Gumb Transmitter assembly for a telephone handset
GB2164819B (en) * 1984-09-19 1988-09-28 Gibson Dawson Joseph Microphone
GB2200814B (en) * 1987-01-29 1990-02-28 Crystalate Electronics Microphone
DE3852156T2 (de) * 1987-03-04 1995-05-11 Hosiden Corp Membraneinheit eines elektrostatischen mikrophons, ein verfahren zu ihrer herstellung und ein elektrostatisches mikrophon.
JPH02107383A (ja) * 1988-10-17 1990-04-19 Ikegami Tsushinki Co Ltd 円形偏平物品の表面倹査装置
AT392182B (de) * 1989-07-31 1991-02-11 Akg Akustische Kino Geraete Elektrisch leitender traeger fuer eine gegenelektrode eines kondensatormikrophons
US5818946A (en) * 1996-03-22 1998-10-06 Walter; Dieter Waldemar Ruggedized solar charged hearing aid
US5859916A (en) * 1996-07-12 1999-01-12 Symphonix Devices, Inc. Two stage implantable microphone
US6151399A (en) * 1996-12-31 2000-11-21 Etymotic Research, Inc. Directional microphone system providing for ease of assembly and disassembly
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
US6093144A (en) 1997-12-16 2000-07-25 Symphonix Devices, Inc. Implantable microphone having improved sensitivity and frequency response
CN2346131Y (zh) * 1998-07-22 1999-10-27 程滋颐 驻极体抗噪音拾音器
US6842964B1 (en) 2000-09-29 2005-01-18 Tucker Davis Technologies, Inc. Process of manufacturing of electrostatic speakers
ATE548862T1 (de) 2000-10-05 2012-03-15 Etymotic Res Inc Richtmikrofonbaugruppe
KR200218653Y1 (ko) * 2000-11-01 2001-04-02 주식회사비에스이 일렉트렛 콘덴서 마이크로폰
US6654473B2 (en) * 2001-05-09 2003-11-25 Knowles Electronics, Llc Condenser microphone
US7182324B2 (en) * 2002-04-19 2007-02-27 Polycom, Inc. Microphone isolation system
JP2004056438A (ja) * 2002-07-19 2004-02-19 Matsushita Electric Ind Co Ltd マイクロフォン
KR100464700B1 (ko) * 2002-09-27 2005-01-05 부전전자부품 주식회사 지향성 콘덴서 마이크로폰
DE10317264B3 (de) * 2003-04-14 2005-02-10 Sennheiser Electronic Gmbh & Co. Kg Mikrofon
JP2005027182A (ja) * 2003-07-04 2005-01-27 Star Micronics Co Ltd エレクトレットコンデンサマイクロホン
US7136500B2 (en) * 2003-08-05 2006-11-14 Knowles Electronics, Llc. Electret condenser microphone
JP2005130437A (ja) * 2003-10-24 2005-05-19 Knowles Electronics Llc 高性能コンデンサマイクロホン及びその製造方法
JP2005244427A (ja) * 2004-02-25 2005-09-08 Audio Technica Corp 単一指向性コンデンサマイクロホンユニット
NO328311B1 (no) * 2004-10-01 2010-01-25 Tandberg Telecom As Skrivebordterminalfot og skrivebordsystem
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
US8448326B2 (en) * 2005-04-08 2013-05-28 Microsoft Corporation Method of manufacturing an accelerometer
JP5100130B2 (ja) * 2007-01-16 2012-12-19 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、及びコンデンサマイクロホン
KR20090000180U (ko) * 2007-07-03 2009-01-08 주식회사 비에스이 에어 홈이 형성된 진동판 및 이를 이용한 콘덴서마이크로폰
US8401217B2 (en) 2007-07-20 2013-03-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Extreme low frequency acoustic measurement system
EP2046072A3 (en) * 2007-10-01 2009-11-04 Sonion Nederland B.V. A microphone assembly with a replaceable part
US7832080B2 (en) * 2007-10-11 2010-11-16 Etymotic Research, Inc. Directional microphone assembly
US8671763B2 (en) * 2009-10-27 2014-03-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Sub-surface windscreen for outdoor measurement of infrasound
JP5578672B2 (ja) * 2010-08-26 2014-08-27 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およびコンデンサマイクロホン
CN204046818U (zh) * 2014-07-28 2014-12-24 瑞声声学科技(深圳)有限公司 电容mems麦克风
US20160071506A1 (en) * 2014-09-09 2016-03-10 Knowles Electronics, Llc Acoustic Interface Assembly With Porous Material
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
RU2590219C1 (ru) * 2015-05-12 2016-07-10 Ювеналий Александрович Крутяков Способ увеличения чувствительности конденсаторных микрофонов
US10562761B2 (en) * 2015-11-18 2020-02-18 Kathirgamasundaram Sooriakumar Waterproof microphone and associated packing techniques
US11399231B2 (en) * 2019-09-27 2022-07-26 United States Of America As Represented By The Administrator Of Nasa Extreme low frequency microphone/hydrophone for exploration of oceanic and atmospheric dynamics
US11785375B2 (en) 2021-06-15 2023-10-10 Quiet, Inc. Precisely controlled microphone acoustic attenuator with protective microphone enclosure

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
DE2554777C2 (de) * 1975-12-05 1982-07-08 Rolf 6100 Darmstadt Neusel Mechanisch-elektrischer Wandler für ein Blutdruckmeßgerät
IT1066823B (it) * 1975-12-30 1985-03-12 Sits Soc It Telecom Siemens Trasduttore elettroacustico particolarmente del tipo a lamina piezoceramica
JPS5754399Y2 (en]) * 1978-02-20 1982-11-25

Also Published As

Publication number Publication date
JPS5551583U (en]) 1980-04-04
GB2033695A (en) 1980-05-21
DE2939479A1 (de) 1980-04-10
GB2033695B (en) 1983-03-23
US4281222A (en) 1981-07-28
DE2939479C2 (en]) 1989-01-05
HK55083A (en) 1983-11-18

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