DE2261500B2 - Elektroakustischer Umformer - Google Patents

Elektroakustischer Umformer

Info

Publication number
DE2261500B2
DE2261500B2 DE2261500A DE2261500A DE2261500B2 DE 2261500 B2 DE2261500 B2 DE 2261500B2 DE 2261500 A DE2261500 A DE 2261500A DE 2261500 A DE2261500 A DE 2261500A DE 2261500 B2 DE2261500 B2 DE 2261500B2
Authority
DE
Germany
Prior art keywords
magnetic
voice coil
converter according
plate
flux
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.)
Ceased
Application number
DE2261500A
Other languages
German (de)
English (en)
Other versions
DE2261500A1 (de
Inventor
Isao Tokorozawa Saitama Yamamuro (Japan)
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Publication of DE2261500A1 publication Critical patent/DE2261500A1/de
Publication of DE2261500B2 publication Critical patent/DE2261500B2/de
Ceased 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
    • 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)
DE2261500A 1971-12-17 1972-12-15 Elektroakustischer Umformer Ceased DE2261500B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46102517A JPS4868217A (nl) 1971-12-17 1971-12-17

Publications (2)

Publication Number Publication Date
DE2261500A1 DE2261500A1 (de) 1973-06-28
DE2261500B2 true DE2261500B2 (de) 1975-07-03

Family

ID=14329535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2261500A Ceased DE2261500B2 (de) 1971-12-17 1972-12-15 Elektroakustischer Umformer

Country Status (3)

Country Link
US (1) US3922501A (nl)
JP (1) JPS4868217A (nl)
DE (1) DE2261500B2 (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108460225A (zh) * 2018-03-21 2018-08-28 华北电力大学（保定） 一种各向异性金属薄板感应式磁声图像的仿真方法及系统

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289937A (en) * 1978-05-30 1981-09-15 Mitsubishi Denki Kabushiki Kaisha Speaker with fine grain ferromagnetic material on center pole or ring
US4827162A (en) * 1987-03-02 1989-05-02 Unisys Corp. Controlled drag for magnet actuator
US5357587A (en) * 1992-12-23 1994-10-18 Grodinsky Robert M Distortion reduction in loudspeakers
US5381483A (en) * 1993-04-05 1995-01-10 Commonwealth Of Puerto Rico Minimal inductance electrodynamic transducer
US6289106B1 (en) 1997-08-08 2001-09-11 Hong Long Industrial Co., Ltd. Cap and center pole apparatus and method of coupling
US6768806B1 (en) * 1998-03-19 2004-07-27 Harman International Industries, Incorporated Shorting rings in dual-coil dual-gap loudspeaker drivers
CA2304765C (en) * 1998-07-21 2007-10-02 Jbl Incorporated Miniature full range loudspeaker
WO2000062406A1 (fr) * 1999-04-13 2000-10-19 Matsushita Electric Industrial Co., Ltd. Moteur lineaire
GB9916926D0 (en) * 1999-07-20 1999-09-22 New Transducers Ltd Magnet assembly
JP2002064968A (ja) * 2000-08-21 2002-02-28 Nippon Thompson Co Ltd 可動コイル型リニアモータを内蔵したスライド装置
FR2836000B1 (fr) * 2002-02-13 2004-05-28 Harman Internat Moteur electrodynamique a bobine mobile notamment pour haut-parleur, haut-parleur et piece polaire adaptee
US7457429B2 (en) * 2003-04-25 2008-11-25 Step Technologies Inc. Laminated motor structure for electromagnetic transducer
JP2006041601A (ja) * 2004-07-22 2006-02-09 Pioneer Electronic Corp スピーカ用磁気回路及びその製造方法、スピーカ装置
GB2527533B (en) * 2014-06-24 2016-07-13 Amina Tech Ltd Moving coil drive unit and audio drivers incorporating the same
CN107948802B (zh) * 2017-12-25 2024-04-23 厦门东声电子有限公司 一种受话器
US11956612B2 (en) * 2019-02-28 2024-04-09 Purifi Aps Loudspeaker motor with improved linearity

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632904A (en) * 1970-03-24 1972-01-04 Paul Mauz Moving coil loudspeaker with eddy current suppression
US3665352A (en) * 1970-05-12 1972-05-23 Deutsche Edelstahlwerke Ag Permanent magnet system for a loudspeaker
US3783311A (en) * 1970-12-19 1974-01-01 Coral Audio Corp Magnetic device for use in acoustic apparatus
JPS5235294B2 (nl) * 1971-12-17 1977-09-08

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108460225A (zh) * 2018-03-21 2018-08-28 华北电力大学（保定） 一种各向异性金属薄板感应式磁声图像的仿真方法及系统
CN108460225B (zh) * 2018-03-21 2021-08-31 华北电力大学（保定） 一种各向异性金属薄板感应式磁声图像的仿真方法及系统

Also Published As

Publication number Publication date
JPS4868217A (nl) 1973-09-18
DE2261500A1 (de) 1973-06-28
US3922501A (en) 1975-11-25

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Legal Events

Date Code Title Description
8235 Patent refused