AU4419000A - Moving coil driver - Google Patents

Moving coil driver

Info

Publication number
AU4419000A
AU4419000A AU44190/00A AU4419000A AU4419000A AU 4419000 A AU4419000 A AU 4419000A AU 44190/00 A AU44190/00 A AU 44190/00A AU 4419000 A AU4419000 A AU 4419000A AU 4419000 A AU4419000 A AU 4419000A
Authority
AU
Australia
Prior art keywords
moving coil
coil driver
driver
moving
coil
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
AU44190/00A
Inventor
Graham Bank
Martin Roberts
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.)
NVF Tech Ltd
Original Assignee
New Transducers Ltd
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 GBGB9910217.0A external-priority patent/GB9910217D0/en
Priority claimed from GBGB9916837.9A external-priority patent/GB9916837D0/en
Application filed by New Transducers Ltd filed Critical New Transducers Ltd
Publication of AU4419000A publication Critical patent/AU4419000A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/041—Voice coil arrangements comprising more than one voice coil unit on the same bobbin

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
AU44190/00A 1999-04-29 2000-04-28 Moving coil driver Abandoned AU4419000A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB9910217.0A GB9910217D0 (en) 1999-04-29 1999-04-29 Moving coil driver
GB9910217 1999-04-29
GBGB9916837.9A GB9916837D0 (en) 1999-07-20 1999-07-20 Moving coil driver
GB9916837 1999-07-20
PCT/GB2000/001484 WO2000067523A2 (en) 1999-04-29 2000-04-28 Moving coil driver

Publications (1)

Publication Number Publication Date
AU4419000A true AU4419000A (en) 2000-11-17

Family

ID=26315502

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44190/00A Abandoned AU4419000A (en) 1999-04-29 2000-04-28 Moving coil driver

Country Status (6)

Country Link
EP (1) EP1174002A2 (en)
JP (1) JP2002543726A (en)
CN (1) CN1347628A (en)
AU (1) AU4419000A (en)
TW (1) TW478287B (en)
WO (1) WO2000067523A2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1163104C (en) * 2000-08-24 2004-08-18 松下电器产业株式会社 Speaker and magnetic circuit used for the speaker
US8284982B2 (en) 2006-03-06 2012-10-09 Induction Speaker Technology, Llc Positionally sequenced loudspeaker system
EP2348421A4 (en) 2007-10-13 2012-08-15 Shenzhen New Electric Science And Technology Co Ltd Multimedia acoustics system having audio frequency digital interface
WO2009103247A1 (en) 2008-02-21 2009-08-27 Zhang Fan Inner magnetic transducer with multiple magnectic gaps and multiple coils and preparation method thereof
CN102892063B (en) * 2011-07-21 2018-05-01 张凡 Multiple driver transducer with symmetrical magnetic circuits and symmetric coil circuit
JP6224324B2 (en) 2012-07-06 2017-11-01 ハーマン ベッカー ゲープコチレンジャー ジーアルト コールライトルト フェレルーシェグ タイヤーシャーシャイグ Acoustic transducer assembly
JP2015522230A (en) * 2012-07-20 2015-08-03 ファン チャン Multi-drive transducer with symmetrically arranged magnetic and coil circuits
CN104301847B (en) * 2014-11-03 2017-11-28 常州阿木奇声学科技有限公司 A kind of dynamic iron unit magnetic driving mechanism for reducing low-frequency distortion
NL2017514B1 (en) * 2016-09-22 2018-03-29 Univ Delft Tech Loudspeaker unit with multiple drive units
WO2019197001A1 (en) * 2018-04-11 2019-10-17 Dali A/S Double voice coil loudspeaker transducer unit
US11466698B2 (en) * 2018-07-30 2022-10-11 Danfoss A/S Electromechanical actuators for refrigerant flow control
US11948549B2 (en) 2019-07-17 2024-04-02 Sound Solutions International Co., Ltd. Electromagnetic actuator for a display with improved spring arrangement and output device with said actuator
US11678123B2 (en) 2020-05-20 2023-06-13 Sound Solutions International Co., Ltd. Electromagnetic actuator for a speaker or a sound transducer with a high-strength metal connection between the voice coil and the magnet system
US11838736B2 (en) 2020-05-20 2023-12-05 Sound Solutions International Co., Ltd. Electromagnetic actuator for a speaker or a sound transducer with a multimetal layer connection between the voice coil and the magnet system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59192000A (en) * 1983-04-15 1984-10-31 Hitachi Ltd Speaker device
JPS6175696U (en) * 1984-10-23 1986-05-21
DE4041858A1 (en) * 1990-12-24 1992-07-02 Nokia Unterhaltungselektronik DRIVE SYSTEM FOR LONG-HUBBED LOW SPEAKER
JP3161677B2 (en) * 1995-02-17 2001-04-25 アルパイン株式会社 Speaker
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
DE19729082A1 (en) * 1997-07-08 1999-01-14 Nokia Deutschland Gmbh Screened magnetic system

Also Published As

Publication number Publication date
JP2002543726A (en) 2002-12-17
EP1174002A2 (en) 2002-01-23
WO2000067523A3 (en) 2001-02-08
CN1347628A (en) 2002-05-01
WO2000067523A2 (en) 2000-11-09
TW478287B (en) 2002-03-01

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase