DK1395084T3 - Electret-indretning til en mikrofon med en bagplade med ladningsstabilitet og fugtighedsstabilitet - Google Patents

Electret-indretning til en mikrofon med en bagplade med ladningsstabilitet og fugtighedsstabilitet

Info

Publication number
DK1395084T3
DK1395084T3 DK03077398.0T DK03077398T DK1395084T3 DK 1395084 T3 DK1395084 T3 DK 1395084T3 DK 03077398 T DK03077398 T DK 03077398T DK 1395084 T3 DK1395084 T3 DK 1395084T3
Authority
DK
Denmark
Prior art keywords
stability
microphone
back plate
moisture
electret device
Prior art date
Application number
DK03077398.0T
Other languages
English (en)
Inventor
Roo Dion Ivo De
Roelof Albert Marissen
Nooij Michel De
Michel Bosman
Halteren Aart Zeger Van
Adrianus Maria Lafort
Raymond Moegelin
Original Assignee
Sonion 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
Priority claimed from US10/210,571 external-priority patent/US6937735B2/en
Application filed by Sonion Nederland Bv filed Critical Sonion Nederland Bv
Application granted granted Critical
Publication of DK1395084T3 publication Critical patent/DK1395084T3/da

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
    • H04R1/02—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
    • 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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
DK03077398.0T 2002-08-01 2003-07-30 Electret-indretning til en mikrofon med en bagplade med ladningsstabilitet og fugtighedsstabilitet DK1395084T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/210,571 US6937735B2 (en) 2001-04-18 2002-08-01 Microphone for a listening device having a reduced humidity coefficient
US10/266,799 US7136496B2 (en) 2001-04-18 2002-10-08 Electret assembly for a microphone having a backplate with improved charge stability

Publications (1)

Publication Number Publication Date
DK1395084T3 true DK1395084T3 (da) 2012-10-22

Family

ID=31498027

Family Applications (2)

Application Number Title Priority Date Filing Date
DK11156577.6T DK2373058T3 (da) 2002-08-01 2003-07-30 Electretanordning til en mikrofon med en bagplade med ladningsstabilitet og fugtighedsstabilitet
DK03077398.0T DK1395084T3 (da) 2002-08-01 2003-07-30 Electret-indretning til en mikrofon med en bagplade med ladningsstabilitet og fugtighedsstabilitet

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK11156577.6T DK2373058T3 (da) 2002-08-01 2003-07-30 Electretanordning til en mikrofon med en bagplade med ladningsstabilitet og fugtighedsstabilitet

Country Status (3)

Country Link
US (2) US7136496B2 (da)
EP (2) EP1395084B1 (da)
DK (2) DK2373058T3 (da)

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Also Published As

Publication number Publication date
EP2373058A3 (en) 2012-01-04
US20070121982A1 (en) 2007-05-31
EP1395084B1 (en) 2012-09-12
EP1395084A3 (en) 2006-11-22
EP2373058A2 (en) 2011-10-05
EP2373058B1 (en) 2017-06-14
US7136496B2 (en) 2006-11-14
EP1395084A2 (en) 2004-03-03
US20030076970A1 (en) 2003-04-24
DK2373058T3 (da) 2017-09-25
US7684575B2 (en) 2010-03-23

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