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AU2001250970A1 - Microphone with range switching - Google Patents

Microphone with range switching

Info

Publication number
AU2001250970A1
AU2001250970A1 AU2001250970A AU5097001A AU2001250970A1 AU 2001250970 A1 AU2001250970 A1 AU 2001250970A1 AU 2001250970 A AU2001250970 A AU 2001250970A AU 5097001 A AU5097001 A AU 5097001A AU 2001250970 A1 AU2001250970 A1 AU 2001250970A1
Authority
AU
Australia
Prior art keywords
microphone
range switching
switching
range
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
AU2001250970A
Inventor
Adrianus M. Lafort
Aart Z. Van Halteran
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.)
Microtronic Nederland BV
Original Assignee
Microtronic Nederland BV
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 Microtronic Nederland BV filed Critical Microtronic Nederland BV
Publication of AU2001250970A1 publication Critical patent/AU2001250970A1/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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/61—Aspects relating to mechanical or electronic switches or control elements, e.g. functioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/01—Noise reduction using microphones having different directional characteristics

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
AU2001250970A 2000-04-07 2001-03-23 Microphone with range switching Abandoned AU2001250970A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US54564600A 2000-04-07 2000-04-07
US09545646 2000-04-07
PCT/US2001/009475 WO2001078446A1 (en) 2000-04-07 2001-03-23 Microphone with range switching

Publications (1)

Publication Number Publication Date
AU2001250970A1 true AU2001250970A1 (en) 2001-10-23

Family

ID=24177024

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001250970A Abandoned AU2001250970A1 (en) 2000-04-07 2001-03-23 Microphone with range switching

Country Status (3)

Country Link
EP (1) EP1192836A4 (en)
AU (1) AU2001250970A1 (en)
WO (1) WO2001078446A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7072482B2 (en) 2002-09-06 2006-07-04 Sonion Nederland B.V. Microphone with improved sound inlet port
AT413921B (en) 2002-10-01 2006-07-15 Akg Acoustics Gmbh MICROPHONES WITH A SAME SENSITIVITY AND METHOD FOR THE PRODUCTION THEREOF
EP1908330A2 (en) 2005-07-19 2008-04-09 Audioasics A/S Programmable microphone
ATE550886T1 (en) 2006-09-26 2012-04-15 Epcos Pte Ltd CALIBRATED MICROELECTROMECHANICAL MICROPHONE
WO2009127568A1 (en) * 2008-04-15 2009-10-22 Epcos Ag Microphone assembly with integrated self-test circuitry
EP2304968A2 (en) * 2008-05-23 2011-04-06 Analog Devices, Inc. Wide dynamic range microphone
US8233637B2 (en) * 2009-01-20 2012-07-31 Nokia Corporation Multi-membrane microphone for high-amplitude audio capture
EP2239843A1 (en) * 2009-04-08 2010-10-13 Nxp B.V. Sensitivity adapting transducer
US8625809B2 (en) 2009-05-20 2014-01-07 Invensense, Inc. Switchable attenuation circuit for MEMS microphone systems
US9236837B2 (en) * 2011-08-25 2016-01-12 Infineon Technologies Ag System and method for low distortion capacitive signal source amplifier
EP2608569B1 (en) * 2011-12-22 2014-07-23 ST-Ericsson SA Digital microphone device with extended dynamic range
US8638249B2 (en) 2012-04-16 2014-01-28 Infineon Technologies Ag System and method for high input capacitive signal amplifier
US9214911B2 (en) 2012-08-30 2015-12-15 Infineon Technologies Ag System and method for adjusting the sensitivity of a capacitive signal source
US20150110312A1 (en) * 2013-10-22 2015-04-23 Starkey Laboratories, Inc. Input stage headroom expansion for hearing assistance devices
JP2018530223A (en) * 2015-09-07 2018-10-11 Tdk株式会社 Integrated circuit, circuit assembly and method of operating the same
WO2017144255A1 (en) 2016-02-24 2017-08-31 Widex A/S Hearing aid system and a method of operating a hearing aid system
US10656006B2 (en) 2016-11-18 2020-05-19 Sonion Nederland B.V. Sensing circuit comprising an amplifying circuit and an amplifying circuit
EP3324649A1 (en) 2016-11-18 2018-05-23 Sonion Nederland B.V. A transducer with a high sensitivity
US10327072B2 (en) 2016-11-18 2019-06-18 Sonion Nederland B.V. Phase correcting system and a phase correctable transducer system
US20180145643A1 (en) 2016-11-18 2018-05-24 Sonion Nederland B.V. Circuit for providing a high and a low impedance and a system comprising the circuit
JP6721872B2 (en) * 2018-05-10 2020-07-15 Tdk株式会社 Integrated circuit, circuit assembly and operating method thereof
CN115790816A (en) * 2022-11-21 2023-03-14 中国船舶重工集团公司第七一五研究所 Design method of large-dynamic-range measuring hydrophone

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH533408A (en) * 1972-02-02 1973-01-31 Bommer Ag Hearing aid
US4466120A (en) * 1981-06-15 1984-08-14 Walker Equipment Corporation Telephone handset amplifier circuit
DK146770C (en) * 1981-11-13 1984-06-04 Brueel & Kjaer As CAPACITY TRANSDUCER
US4617555A (en) * 1985-04-17 1986-10-14 Data Distribution Devices, Inc. Receiver for audible alarm
US4888807A (en) * 1989-01-18 1989-12-19 Audio-Technica U.S., Inc. Variable pattern microphone system
US5239579A (en) * 1991-01-04 1993-08-24 Schuh Peter O Adaptive amplifier circuit
NL1002783C2 (en) * 1996-04-03 1997-10-06 Microtronic Nederland Bv Integrated microphone / amplifier unit, and amplifier module therefor.

Also Published As

Publication number Publication date
WO2001078446A1 (en) 2001-10-18
EP1192836A1 (en) 2002-04-03
EP1192836A4 (en) 2008-10-08

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