JP4545222B1 - 電磁変換器 - Google Patents

電磁変換器 Download PDF

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Publication number
JP4545222B1
JP4545222B1 JP2009164795A JP2009164795A JP4545222B1 JP 4545222 B1 JP4545222 B1 JP 4545222B1 JP 2009164795 A JP2009164795 A JP 2009164795A JP 2009164795 A JP2009164795 A JP 2009164795A JP 4545222 B1 JP4545222 B1 JP 4545222B1
Authority
JP
Japan
Prior art keywords
diaphragm
top surface
frame
electromagnetic transducer
permanent magnet
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
JP2009164795A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011023810A (ja
Inventor
俊治 吉田
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.)
Mitsubishi Electric Engineering Co Ltd
Original Assignee
Mitsubishi Electric Engineering Co 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
Application filed by Mitsubishi Electric Engineering Co Ltd filed Critical Mitsubishi Electric Engineering Co Ltd
Priority to JP2009164795A priority Critical patent/JP4545222B1/ja
Priority to PCT/JP2009/005701 priority patent/WO2011007403A1/ja
Priority to CN200980122480.6A priority patent/CN102067630B/zh
Priority to KR1020107028525A priority patent/KR101064071B1/ko
Application granted granted Critical
Publication of JP4545222B1 publication Critical patent/JP4545222B1/ja
Publication of JP2011023810A publication Critical patent/JP2011023810A/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04R9/04—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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H04R9/043—Inner suspension or damper, e.g. spider
    • 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
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
    • 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
    • H04R2209/027—Electrical or mechanical reduction of yoke vibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP2009164795A 2009-07-13 2009-07-13 電磁変換器 Expired - Fee Related JP4545222B1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2009164795A JP4545222B1 (ja) 2009-07-13 2009-07-13 電磁変換器
PCT/JP2009/005701 WO2011007403A1 (ja) 2009-07-13 2009-10-28 電磁変換器
CN200980122480.6A CN102067630B (zh) 2009-07-13 2009-10-28 电磁转换器
KR1020107028525A KR101064071B1 (ko) 2009-07-13 2009-10-28 전자 변환기

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009164795A JP4545222B1 (ja) 2009-07-13 2009-07-13 電磁変換器

Publications (2)

Publication Number Publication Date
JP4545222B1 true JP4545222B1 (ja) 2010-09-15
JP2011023810A JP2011023810A (ja) 2011-02-03

Family

ID=42824813

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009164795A Expired - Fee Related JP4545222B1 (ja) 2009-07-13 2009-07-13 電磁変換器

Country Status (4)

Country Link
JP (1) JP4545222B1 (ko)
KR (1) KR101064071B1 (ko)
CN (1) CN102067630B (ko)
WO (1) WO2011007403A1 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5328691B2 (ja) * 2010-02-22 2013-10-30 三菱電機エンジニアリング株式会社 電磁変換器
US9712921B2 (en) 2014-08-25 2017-07-18 Apple Inc. High aspect ratio microspeaker having a two-plane suspension
US10321235B2 (en) 2016-09-23 2019-06-11 Apple Inc. Transducer having a conductive suspension member
US10291990B2 (en) 2016-10-26 2019-05-14 Apple Inc. Unibody diaphragm and former for a speaker
US10555085B2 (en) 2017-06-16 2020-02-04 Apple Inc. High aspect ratio moving coil transducer
CN108600932B (zh) * 2018-03-29 2023-12-08 山东共达电声股份有限公司 动圈及其制作方法及扬声器
US11381921B2 (en) 2018-10-30 2022-07-05 Sound Solutions International Co., Ltd. Electrodynamic acoustic transducer with improved suspension system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797297A (en) * 1980-12-09 1982-06-16 Sanyo Electric Co Ltd Thin type speaker
WO1991001813A1 (en) * 1989-08-04 1991-02-21 Nordson Corporation Method and apparatus for forming a permanent foam coating by atomization onto a substrate
JP2000032586A (ja) * 1998-07-07 2000-01-28 Victor Co Of Japan Ltd 電気音響変換器
JP2002152881A (ja) * 2000-11-08 2002-05-24 Matsushita Electric Ind Co Ltd スピーカ

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3846063B2 (ja) 1998-09-28 2006-11-15 松下電器産業株式会社 スピーカ
DE19954880C1 (de) * 1999-11-15 2001-01-25 Siemens Audiologische Technik Elektromagnetischer Wandler zur Schallerzeugung in Hörhilfen, insbesondere miniaturisierten elektronischen Hörgeräten
JP2008113368A (ja) 2006-10-31 2008-05-15 Fps:Kk 平面型音響変換装置及び平面型音響変換装置の製造方法
EP2244488B1 (en) * 2008-02-14 2015-07-29 Panasonic Intellectual Property Management Co., Ltd. Speaker and electronic device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797297A (en) * 1980-12-09 1982-06-16 Sanyo Electric Co Ltd Thin type speaker
WO1991001813A1 (en) * 1989-08-04 1991-02-21 Nordson Corporation Method and apparatus for forming a permanent foam coating by atomization onto a substrate
JP2000032586A (ja) * 1998-07-07 2000-01-28 Victor Co Of Japan Ltd 電気音響変換器
JP2002152881A (ja) * 2000-11-08 2002-05-24 Matsushita Electric Ind Co Ltd スピーカ

Also Published As

Publication number Publication date
WO2011007403A1 (ja) 2011-01-20
CN102067630A (zh) 2011-05-18
CN102067630B (zh) 2014-06-11
KR20110015015A (ko) 2011-02-14
KR101064071B1 (ko) 2011-09-08
JP2011023810A (ja) 2011-02-03

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