PL2705673T3 - Przetwornik elektromagnetyczny - Google Patents

Przetwornik elektromagnetyczny

Info

Publication number
PL2705673T3
PL2705673T3 PL12724284T PL12724284T PL2705673T3 PL 2705673 T3 PL2705673 T3 PL 2705673T3 PL 12724284 T PL12724284 T PL 12724284T PL 12724284 T PL12724284 T PL 12724284T PL 2705673 T3 PL2705673 T3 PL 2705673T3
Authority
PL
Poland
Prior art keywords
drive unit
electromagnetic drive
electromagnetic
unit
drive
Prior art date
Application number
PL12724284T
Other languages
English (en)
Inventor
Kim Kristiansen
Flemming Buus Bendixen
Troels Bøgsted Brøndbjerg
Original Assignee
Dali 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 Dali As filed Critical Dali As
Publication of PL2705673T3 publication Critical patent/PL2705673T3/pl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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
    • H04R2209/021—Reduction of eddy currents in the magnetic circuit of electrodynamic loudspeaker transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
PL12724284T 2011-05-04 2012-05-03 Przetwornik elektromagnetyczny PL2705673T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA201100340 2011-05-04
PCT/DK2012/050146 WO2012149938A1 (en) 2011-05-04 2012-05-03 Electromagnetic drive unit
EP12724284.0A EP2705673B1 (en) 2011-05-04 2012-05-03 Electromagnetic drive unit

Publications (1)

Publication Number Publication Date
PL2705673T3 true PL2705673T3 (pl) 2015-12-31

Family

ID=46178374

Family Applications (1)

Application Number Title Priority Date Filing Date
PL12724284T PL2705673T3 (pl) 2011-05-04 2012-05-03 Przetwornik elektromagnetyczny

Country Status (6)

Country Link
US (1) US9036859B2 (pl)
EP (1) EP2705673B1 (pl)
CN (1) CN103814587B (pl)
DK (1) DK2705673T3 (pl)
PL (1) PL2705673T3 (pl)
WO (1) WO2012149938A1 (pl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105163246A (zh) * 2015-08-12 2015-12-16 歌尔声学股份有限公司 音圈线及用该音圈线绕制的音圈及扬声器和振动电机
WO2019197001A1 (en) * 2018-04-11 2019-10-17 Dali A/S Double voice coil loudspeaker transducer unit
KR102663543B1 (ko) * 2018-12-06 2024-05-03 현대자동차주식회사 스피커용 요크 및 이의 제조방법과 이를 포함하는 스피커 장치
WO2020173699A1 (en) * 2019-02-28 2020-09-03 Purifi Aps Loudspeaker motor with improved linearity
US12425774B2 (en) 2020-09-03 2025-09-23 Purifi Aps Loudspeaker motor with inner permanent magnet

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3783311A (en) * 1970-12-19 1974-01-01 Coral Audio Corp Magnetic device for use in acoustic apparatus
US4289937A (en) * 1978-05-30 1981-09-15 Mitsubishi Denki Kabushiki Kaisha Speaker with fine grain ferromagnetic material on center pole or ring
JPS56128099A (en) 1980-03-12 1981-10-07 Pioneer Electronic Corp Magnetic circuit for speaker
DE3108715A1 (de) 1981-03-07 1982-09-16 Magnetfabrik Bonn Gmbh Vorm. Gewerkschaft Windhorst, 5300 Bonn Ringspalt-magnetbandsystem fuer dynamische lautsprecher
JPS5921199A (ja) 1982-07-27 1984-02-03 Sony Corp 電気音響変換器の磁気回路
CN1207010A (zh) 1996-04-15 1999-02-03 张凡 扬声器及制备方法
GB0102780D0 (en) 2001-02-03 2001-03-21 K H Technology Corp Loudspeaker assemblies
US7227970B2 (en) * 2004-02-26 2007-06-05 Step Technologies Inc. Shorting ring fixture for electromagnetic transducer
CN101681709B (zh) * 2006-12-07 2013-04-10 霍加纳斯股份有限公司 软磁性粉末
EP2190214A4 (en) * 2007-09-12 2013-02-27 Pioneer Corp MAGNETIC CIRCUIT FOR A SPEAKER, SPEAKER ARRANGEMENT AND MANUFACTURING METHOD OF THE MAGNETIC CIRCUIT FOR THE SPEAKER
EP2245863A1 (en) * 2008-01-07 2010-11-03 Scan-Speak A/S A magnet assembly for a loudspeaker
CN201563226U (zh) * 2009-12-03 2010-08-25 浙江新嘉联电子股份有限公司 一种反向球顶振膜的超薄型动圈式扬声器

Also Published As

Publication number Publication date
DK2705673T3 (en) 2015-10-19
EP2705673A1 (en) 2014-03-12
CN103814587A (zh) 2014-05-21
WO2012149938A1 (en) 2012-11-08
US9036859B2 (en) 2015-05-19
EP2705673B1 (en) 2015-07-08
US20140169615A1 (en) 2014-06-19
CN103814587B (zh) 2017-06-06

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