DE69612878D1 - Stromversorgungsschaltung für mikrofon - Google Patents

Stromversorgungsschaltung für mikrofon

Info

Publication number
DE69612878D1
DE69612878D1 DE69612878T DE69612878T DE69612878D1 DE 69612878 D1 DE69612878 D1 DE 69612878D1 DE 69612878 T DE69612878 T DE 69612878T DE 69612878 T DE69612878 T DE 69612878T DE 69612878 D1 DE69612878 D1 DE 69612878D1
Authority
DE
Germany
Prior art keywords
microphone
power supply
supply circuit
circuit
power
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.)
Expired - Fee Related
Application number
DE69612878T
Other languages
English (en)
Other versions
DE69612878T2 (de
Inventor
Lars Backram
Hans-Erik Backram
Boerje Gustafsson
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.)
GN Audio AS
Original Assignee
GN Netcom 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 GN Netcom AS filed Critical GN Netcom AS
Publication of DE69612878D1 publication Critical patent/DE69612878D1/de
Application granted granted Critical
Publication of DE69612878T2 publication Critical patent/DE69612878T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R19/01—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DE69612878T 1996-12-11 1996-12-11 Stromversorgungsschaltung für mikrofon Expired - Fee Related DE69612878T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DK1996/000521 WO1998026631A1 (en) 1996-12-11 1996-12-11 Power supply for microphone

Publications (2)

Publication Number Publication Date
DE69612878D1 true DE69612878D1 (de) 2001-06-21
DE69612878T2 DE69612878T2 (de) 2002-03-28

Family

ID=8155868

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69612878T Expired - Fee Related DE69612878T2 (de) 1996-12-11 1996-12-11 Stromversorgungsschaltung für mikrofon

Country Status (13)

Country Link
US (1) US6427015B1 (de)
EP (1) EP0943225B1 (de)
JP (1) JP3556953B2 (de)
KR (1) KR100427709B1 (de)
AU (1) AU725165B2 (de)
BR (1) BR9612812A (de)
CA (1) CA2273858C (de)
DE (1) DE69612878T2 (de)
DK (1) DK0943225T3 (de)
ES (1) ES2158368T3 (de)
NO (1) NO312490B1 (de)
TW (1) TW465251B (de)
WO (1) WO1998026631A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60105819T2 (de) * 2000-07-05 2005-10-06 Koninklijke Philips Electronics N.V. A/d umwandler mit integrierter vorspannung für mikrofon
US7356151B2 (en) * 2004-03-30 2008-04-08 Akg Acoustic Gmbh Microphone system
JP4579778B2 (ja) * 2004-08-17 2010-11-10 ルネサスエレクトロニクス株式会社 センサ用電源回路およびそれを用いたマイクロホンユニット

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041247A (en) 1976-10-12 1977-08-09 Bell Telephone Laboratories, Incorporated Method and apparatus for operation of carbon microphones at low average current levels
DE3377765D1 (en) * 1982-06-14 1988-09-22 Neumann Gmbh Georg Microphone
JP2807853B2 (ja) * 1993-01-29 1998-10-08 リオン株式会社 出力回路
GB2293740B (en) 1994-09-29 1999-02-03 Sony Uk Ltd Signal processing apparatus

Also Published As

Publication number Publication date
DK0943225T3 (da) 2001-08-13
KR100427709B1 (ko) 2004-04-30
CA2273858A1 (en) 1998-06-18
JP3556953B2 (ja) 2004-08-25
CA2273858C (en) 2004-02-03
AU1065997A (en) 1998-07-03
TW465251B (en) 2001-11-21
EP0943225A1 (de) 1999-09-22
US6427015B1 (en) 2002-07-30
KR20000057450A (ko) 2000-09-15
JP2001505747A (ja) 2001-04-24
WO1998026631A1 (en) 1998-06-18
EP0943225B1 (de) 2001-05-16
ES2158368T3 (es) 2001-09-01
DE69612878T2 (de) 2002-03-28
NO992543L (no) 1999-07-28
AU725165B2 (en) 2000-10-05
BR9612812A (pt) 2000-03-14
NO992543D0 (no) 1999-05-26
NO312490B1 (no) 2002-05-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee