NO20003523L - Kondensatormikrofon og koblingsanordning for samme - Google Patents

Kondensatormikrofon og koblingsanordning for samme

Info

Publication number
NO20003523L
NO20003523L NO20003523A NO20003523A NO20003523L NO 20003523 L NO20003523 L NO 20003523L NO 20003523 A NO20003523 A NO 20003523A NO 20003523 A NO20003523 A NO 20003523A NO 20003523 L NO20003523 L NO 20003523L
Authority
NO
Norway
Prior art keywords
switchgear
same
condenser microphone
microphone
condenser
Prior art date
Application number
NO20003523A
Other languages
English (en)
Other versions
NO20003523D0 (no
Inventor
Masaharu Ikeda
Original Assignee
Matsushita Electric Ind Co Ltd
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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NO20003523D0 publication Critical patent/NO20003523D0/no
Publication of NO20003523L publication Critical patent/NO20003523L/no

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
    • 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
    • H04R19/04—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)
  • Transmitters (AREA)
NO20003523A 1999-07-08 2000-07-07 Kondensatormikrofon og koblingsanordning for samme NO20003523L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19401699 1999-07-08

Publications (2)

Publication Number Publication Date
NO20003523D0 NO20003523D0 (no) 2000-07-07
NO20003523L true NO20003523L (no) 2001-01-09

Family

ID=16317555

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20003523A NO20003523L (no) 1999-07-08 2000-07-07 Kondensatormikrofon og koblingsanordning for samme

Country Status (6)

Country Link
US (1) US6978029B1 (no)
EP (1) EP1067819B1 (no)
CN (1) CN1198479C (no)
DE (1) DE60011349T2 (no)
DK (1) DK1067819T3 (no)
NO (1) NO20003523L (no)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4057212B2 (ja) * 2000-02-15 2008-03-05 三菱電機株式会社 マイクロフォン装置
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
CN100425102C (zh) * 2003-03-20 2008-10-08 宝星电子株式会社 采用宽带止滤波器并具有增强抗静电放电性的电容式麦克风
US7130434B1 (en) * 2003-03-26 2006-10-31 Plantronics, Inc. Microphone PCB with integrated filter
CN100446420C (zh) * 2004-01-10 2008-12-24 鸿富锦精密工业（深圳）有限公司 消除信号中漏电的电路装置
US7352873B2 (en) * 2004-04-27 2008-04-01 Hosiden Corporation Electret-condenser microphone
JP4310234B2 (ja) * 2004-05-18 2009-08-05 株式会社オーディオテクニカ コンデンサマイクロホン
JP4131475B2 (ja) * 2004-11-12 2008-08-13 三菱電機株式会社 電子制御装置
DE602005025278D1 (de) * 2005-01-26 2011-01-27 Bosch Gmbh Robert Mikrofon
JP4810661B2 (ja) * 2006-04-27 2011-11-09 国立大学法人埼玉大学 機械電気変換素子及びその製造方法
US20070268642A1 (en) * 2006-05-16 2007-11-22 Olivier Metayer Integrated programmable over-current protection circuit for optical transmitters
TWI322624B (en) * 2006-11-03 2010-03-21 Accton Technology Corp Microphone
US20090052686A1 (en) * 2007-08-23 2009-02-26 Fortemedia, Inc. Electronic device with an internal microphone array
JP2009225100A (ja) * 2008-03-17 2009-10-01 Nec Electronics Corp 半導体集積回路及びコンデンサ・マイクロフォン
US20090279717A1 (en) * 2008-05-12 2009-11-12 Udid Technology Co., Ltd. Circuit module for a condenser microphone
US8326255B2 (en) 2008-09-24 2012-12-04 Sony Ericsson Mobile Communications Ab Biasing arrangement, electronic apparatus, biasing method, and computer program
DE102009037007B4 (de) 2009-08-12 2020-06-10 Beyerdynamic Gmbh & Co. Kg Abschirmelement zur elektromagnetischen Abschirmunq eines Mikrofons, Mikrofon mit einem Abschirmelement und Abschirmelement zur Ankoppelung einer Abschirmung
US8254142B2 (en) 2009-09-22 2012-08-28 Wintec Industries, Inc. Method of using conductive elastomer for electrical contacts in an assembly
US8593825B2 (en) * 2009-10-14 2013-11-26 Wintec Industries, Inc. Apparatus and method for vertically-structured passive components
US20130032718A1 (en) * 2011-08-03 2013-02-07 Robert Bosch Gmbh Rf immunity improved pyro sensor
JP2013090142A (ja) * 2011-10-18 2013-05-13 Hosiden Corp エレクトレットコンデンサマイクロホン
CN104685904B (zh) * 2013-01-08 2017-10-03 广东得胜电子有限公司 电容式麦克风及其阻抗变换器
CN103491490B (zh) * 2013-08-16 2019-03-19 上海集成电路研发中心有限公司 一种mems麦克风结构及其制造方法
CN106658255A (zh) * 2016-10-21 2017-05-10 声源科技（深圳）有限公司 一种降噪耳机的滤波器电路
CN110191859B (zh) * 2016-12-05 2023-03-28 美商楼氏电子有限公司 微机电系统装置中的传感器功率斜变
CN112152518A (zh) * 2019-06-28 2020-12-29 胡永慧 用于降低电磁振动换能机电机构自由振动的驱动电路
CN115855237B (zh) * 2023-01-03 2023-06-27 杭州爱华仪器有限公司 基于声级计的传声器故障自动识别系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944756A (en) * 1975-03-05 1976-03-16 Electro-Voice, Incorporated Electret microphone
US4525817A (en) * 1982-08-27 1985-06-25 Nippon Gakki Seizo Kabushiki Kaisha Acoustic resistor in an electroacoustic transducer
JPH02149199A (ja) * 1988-11-30 1990-06-07 Matsushita Electric Ind Co Ltd エレクトレットコンデンサマイクロホン
US5197102A (en) * 1991-01-14 1993-03-23 Peavey Electronics Corporation Audio power amplifier system with frequency selective damping factor controls
DE69220342T2 (de) * 1991-12-20 1997-11-20 Matsushita Electric Ind Co Ltd Lautsprecherapparat zur Basswiedergabe
EP0582881B1 (en) * 1992-07-27 1997-12-29 Murata Manufacturing Co., Ltd. Multilayer electronic component, method of manufacturing the same and method of measuring characteristics thereof
JP3437237B2 (ja) * 1994-01-21 2003-08-18 松下電器産業株式会社 増幅装置
JP2786104B2 (ja) * 1994-02-28 1998-08-13 日本電気株式会社 半導体装置
NL1002783C2 (nl) * 1996-04-03 1997-10-06 Microtronic Nederland Bv Geïntegreerde microfoon/versterker-eenheid, en versterkermodule daarvoor.
SE506362C2 (sv) * 1996-04-22 1997-12-08 Bilsom Ab Mikrofonkrets
US6504937B1 (en) * 1998-01-06 2003-01-07 Vxi Corporation Amplifier circuit for electret microphone with enhanced performance

Also Published As

Publication number Publication date
DE60011349T2 (de) 2005-06-16
US6978029B1 (en) 2005-12-20
DK1067819T3 (da) 2004-07-19
EP1067819A2 (en) 2001-01-10
NO20003523D0 (no) 2000-07-07
EP1067819A3 (en) 2002-10-02
CN1280454A (zh) 2001-01-17
CN1198479C (zh) 2005-04-20
EP1067819B1 (en) 2004-06-09
DE60011349D1 (de) 2004-07-15

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application