DK41593D0 - Fremgangsmaade og kobling til at reducere den harmoniske forvraengning af en kapacitiv transducer - Google Patents

Fremgangsmaade og kobling til at reducere den harmoniske forvraengning af en kapacitiv transducer

Info

Publication number
DK41593D0
DK41593D0 DK93415A DK41593A DK41593D0 DK 41593 D0 DK41593 D0 DK 41593D0 DK 93415 A DK93415 A DK 93415A DK 41593 A DK41593 A DK 41593A DK 41593 D0 DK41593 D0 DK 41593D0
Authority
DK
Denmark
Prior art keywords
reduce
connection
harmonic distortion
capacitive transducer
capacitive
Prior art date
Application number
DK93415A
Other languages
English (en)
Other versions
DK41593A (da
DK170196B1 (da
Inventor
Erling Frederiksen
Original Assignee
Brueel & Kjaer As
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 Brueel & Kjaer As filed Critical Brueel & Kjaer As
Priority to DK041593A priority Critical patent/DK170196B1/da
Publication of DK41593D0 publication Critical patent/DK41593D0/da
Priority to EP94913038A priority patent/EP0694246A1/en
Priority to JP6521571A priority patent/JPH08509327A/ja
Priority to PCT/DK1994/000142 priority patent/WO1994023547A1/en
Priority to AU65346/94A priority patent/AU6534694A/en
Publication of DK41593A publication Critical patent/DK41593A/da
Application granted granted Critical
Publication of DK170196B1 publication Critical patent/DK170196B1/da

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
    • H04R3/00—Circuits for transducers
    • H04R3/04—Circuits for transducers for correcting frequency response
    • H04R3/06—Circuits for transducers for correcting frequency response of electrostatic transducers

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)
DK041593A 1993-04-07 1993-04-07 Fremgangsmåde og kobling til at reducere den harmoniske forvrængning af en kapacitiv transducer DK170196B1 (da)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DK041593A DK170196B1 (da) 1993-04-07 1993-04-07 Fremgangsmåde og kobling til at reducere den harmoniske forvrængning af en kapacitiv transducer
EP94913038A EP0694246A1 (en) 1993-04-07 1994-04-06 A method and a coupling for reducing the harmonic distortion of a capacitive transducer
JP6521571A JPH08509327A (ja) 1993-04-07 1994-04-06 静電容量形トランスデューサの高調波歪みを低減する方法及び回路構成
PCT/DK1994/000142 WO1994023547A1 (en) 1993-04-07 1994-04-06 A method and a coupling for reducing the harmonic distortion of a capacitive transducer
AU65346/94A AU6534694A (en) 1993-04-07 1994-04-06 A method and a coupling for reducing the harmonic distortion of a capacitive transducer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK41593 1993-04-07
DK041593A DK170196B1 (da) 1993-04-07 1993-04-07 Fremgangsmåde og kobling til at reducere den harmoniske forvrængning af en kapacitiv transducer

Publications (3)

Publication Number Publication Date
DK41593D0 true DK41593D0 (da) 1993-04-07
DK41593A DK41593A (da) 1994-10-08
DK170196B1 DK170196B1 (da) 1995-06-06

Family

ID=8093260

Family Applications (1)

Application Number Title Priority Date Filing Date
DK041593A DK170196B1 (da) 1993-04-07 1993-04-07 Fremgangsmåde og kobling til at reducere den harmoniske forvrængning af en kapacitiv transducer

Country Status (5)

Country Link
EP (1) EP0694246A1 (da)
JP (1) JPH08509327A (da)
AU (1) AU6534694A (da)
DK (1) DK170196B1 (da)
WO (1) WO1994023547A1 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08233581A (ja) * 1994-12-28 1996-09-13 Yoshiro Tomikawa 静電型変換手段の駆動装置
JPH08307199A (ja) * 1995-01-11 1996-11-22 Yoshiro Tomikawa 静電型変換手段の容量成分低減回路および静電型変換手段の駆動装置ならびに検出装置
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
AU2002237204A1 (en) 2001-03-09 2002-09-24 Techtronic A/S An electret condensor microphone preamplifier that is insensitive to leakage currents at the input
WO2003023418A2 (fr) * 2001-09-06 2003-03-20 Sumitomo Metal Industries, Ltd., Daspositif et procede de fixation de potential
TWI221196B (en) 2001-09-06 2004-09-21 Tokyo Electron Ltd Impedance measuring circuit, its method, and electrostatic capacitance measuring circuit
EP2317645B1 (en) 2009-10-16 2013-04-10 Nxp B.V. Capacitive sensor
US10153740B2 (en) 2016-07-11 2018-12-11 Knowles Electronics, Llc Split signal differential MEMS microphone
EP3855129B1 (en) 2017-03-22 2023-10-25 Knowles Electronics, LLC Interface circuit for a capacitive sensor
CN115605953B (zh) * 2020-05-08 2026-03-17 微软技术许可有限责任公司 用于多麦克风信号处理的数据增强的系统和方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116366A (en) * 1959-08-18 1963-12-31 Arnold L Seligson Capacitive source signal generators
GB2003364B (en) * 1977-08-24 1982-03-03 Post Office Electroacoustic transducer for a microphone
IT1112691B (it) * 1978-07-12 1986-01-20 Sits Soc It Telecom Siemens Microfono a condensatore

Also Published As

Publication number Publication date
DK41593A (da) 1994-10-08
AU6534694A (en) 1994-10-24
EP0694246A1 (en) 1996-01-31
DK170196B1 (da) 1995-06-06
JPH08509327A (ja) 1996-10-01
WO1994023547A1 (en) 1994-10-13

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed