AU6534694A - A method and a coupling for reducing the harmonic distortion of a capacitive transducer - Google Patents

A method and a coupling for reducing the harmonic distortion of a capacitive transducer

Info

Publication number
AU6534694A
AU6534694A AU65346/94A AU6534694A AU6534694A AU 6534694 A AU6534694 A AU 6534694A AU 65346/94 A AU65346/94 A AU 65346/94A AU 6534694 A AU6534694 A AU 6534694A AU 6534694 A AU6534694 A AU 6534694A
Authority
AU
Australia
Prior art keywords
coupling
reducing
harmonic distortion
capacitive transducer
capacitive
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
AU65346/94A
Inventor
Erling Frederiksen
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.)
Hottinger Bruel and Kjaer AS
Original Assignee
Bruel and 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 Bruel and Kjaer AS filed Critical Bruel and Kjaer AS
Publication of AU6534694A publication Critical patent/AU6534694A/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
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones
    • 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
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H04R3/06—Circuits for transducers, loudspeakers or microphones 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)
AU65346/94A 1993-04-07 1994-04-06 A method and a coupling for reducing the harmonic distortion of a capacitive transducer Abandoned AU6534694A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK041593A DK170196B1 (en) 1993-04-07 1993-04-07 Method and coupling to reduce the harmonic distortion of a capacitive transducer
DK415/93 1993-04-07
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

Publications (1)

Publication Number Publication Date
AU6534694A true AU6534694A (en) 1994-10-24

Family

ID=8093260

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65346/94A Abandoned AU6534694A (en) 1993-04-07 1994-04-06 A method and a coupling for reducing the harmonic distortion of a capacitive transducer

Country Status (5)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08233581A (en) * 1994-12-28 1996-09-13 Yoshiro Tomikawa Driving device for electrostatic converting means
JPH08307199A (en) * 1995-01-11 1996-11-22 Yoshiro Tomikawa Capacitive component reduction circuit for electrostatic conversion means and driver and detector for electrostatic conversion means
JP4057212B2 (en) 2000-02-15 2008-03-05 三菱電機株式会社 Microphone device
WO2002073792A2 (en) 2001-03-09 2002-09-19 Techtronic A/S An electret condensor microphone preamplifier that is insensitive to leakage currents at the input
CN100432682C (en) * 2001-09-06 2008-11-12 东京毅力科创株式会社 Potential fixing device and potential fixing method
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

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 (en) * 1978-07-12 1986-01-20 Sits Soc It Telecom Siemens CONDENSER MICROPHONE

Also Published As

Publication number Publication date
JPH08509327A (en) 1996-10-01
DK170196B1 (en) 1995-06-06
WO1994023547A1 (en) 1994-10-13
DK41593D0 (en) 1993-04-07
EP0694246A1 (en) 1996-01-31
DK41593A (en) 1994-10-08

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