WO2009034627A1 - スピーカ用磁気回路、スピーカ装置及びスピーカ用磁気回路の製造方法 - Google Patents

スピーカ用磁気回路、スピーカ装置及びスピーカ用磁気回路の製造方法 Download PDF

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Publication number
WO2009034627A1
WO2009034627A1 PCT/JP2007/067752 JP2007067752W WO2009034627A1 WO 2009034627 A1 WO2009034627 A1 WO 2009034627A1 JP 2007067752 W JP2007067752 W JP 2007067752W WO 2009034627 A1 WO2009034627 A1 WO 2009034627A1
Authority
WO
WIPO (PCT)
Prior art keywords
speaker
magnetic circuit
magnets
manufacturing
magnetic
Prior art date
Application number
PCT/JP2007/067752
Other languages
English (en)
French (fr)
Inventor
Shinsuke Konuma
Original Assignee
Pioneer Corporation
Tohoku Pioneer Corporation
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 Corporation, Tohoku Pioneer Corporation filed Critical Pioneer Corporation
Priority to PCT/JP2007/067752 priority Critical patent/WO2009034627A1/ja
Priority to US12/675,079 priority patent/US20110150264A1/en
Priority to JP2009532008A priority patent/JP4970544B2/ja
Priority to CN200780100363A priority patent/CN101790891A/zh
Priority to EP07807159A priority patent/EP2190214A4/en
Publication of WO2009034627A1 publication Critical patent/WO2009034627A1/ja

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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

　薄型化した場合でも、漏洩磁束の発生を低減して磁気ギャップ、特に、ボイスコイルが支持される位置において十分な磁束密度が得られるスピーカ用磁気回路を提供する。スピーカ用磁気回路１１は、ヨーク１２と、磁石群１３とを有している。磁石群１３は、外磁石２１～２４と、内磁石２５～２８とから構成されている。外磁石２１～２４及び内磁石２５～２８は、その厚み方向に対して斜め方向に着磁されている。
PCT/JP2007/067752 2007-09-12 2007-09-12 スピーカ用磁気回路、スピーカ装置及びスピーカ用磁気回路の製造方法 WO2009034627A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PCT/JP2007/067752 WO2009034627A1 (ja) 2007-09-12 2007-09-12 スピーカ用磁気回路、スピーカ装置及びスピーカ用磁気回路の製造方法
US12/675,079 US20110150264A1 (en) 2007-09-12 2007-09-12 Speaker magnetic circuit, speaker device, and method of manufacturing speaker magnetic circuit
JP2009532008A JP4970544B2 (ja) 2007-09-12 2007-09-12 スピーカ用磁気回路、スピーカ装置及びスピーカ用磁気回路の製造方法
CN200780100363A CN101790891A (zh) 2007-09-12 2007-09-12 扬声器磁路、扬声器装置及扬声器磁路的制造方法
EP07807159A EP2190214A4 (en) 2007-09-12 2007-09-12 MAGNETIC CIRCUIT FOR A SPEAKER, SPEAKER ARRANGEMENT AND MANUFACTURING METHOD OF THE MAGNETIC CIRCUIT FOR THE SPEAKER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/067752 WO2009034627A1 (ja) 2007-09-12 2007-09-12 スピーカ用磁気回路、スピーカ装置及びスピーカ用磁気回路の製造方法

Publications (1)

Publication Number Publication Date
WO2009034627A1 true WO2009034627A1 (ja) 2009-03-19

Family

ID=40451650

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/067752 WO2009034627A1 (ja) 2007-09-12 2007-09-12 スピーカ用磁気回路、スピーカ装置及びスピーカ用磁気回路の製造方法

Country Status (5)

Country Link
US (1) US20110150264A1 (ja)
EP (1) EP2190214A4 (ja)
JP (1) JP4970544B2 (ja)
CN (1) CN101790891A (ja)
WO (1) WO2009034627A1 (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201789618U (zh) * 2010-09-01 2011-04-06 瑞声光电科技(常州)有限公司 磁路结构及使用该磁路结构的扬声器
EP2705673B1 (en) * 2011-05-04 2015-07-08 Dali A/s Electromagnetic drive unit
KR20130089396A (ko) * 2012-02-02 2013-08-12 삼성전자주식회사 엔 분할된 마그넷 구조를 갖는 스피커 장치
KR101481651B1 (ko) * 2013-07-02 2015-01-14 주식회사 이엠텍 3 마그넷 마이크로스피커
JP2015039161A (ja) * 2013-07-19 2015-02-26 株式会社Ｊｖｃケンウッド スピーカ用磁気回路
CN106576206A (zh) * 2014-07-29 2017-04-19 礼电子有限公司 感觉信号输出装置
KR20180050123A (ko) 2016-11-04 2018-05-14 삼성전자주식회사 평면형 마그넷 스피커
US10555085B2 (en) * 2017-06-16 2020-02-04 Apple Inc. High aspect ratio moving coil transducer
CN107948883A (zh) * 2018-01-08 2018-04-20 深圳市韶音科技有限公司 一种骨传导扬声器
CN107948881A (zh) * 2018-01-08 2018-04-20 深圳市韶音科技有限公司 一种骨传导扬声器
CN108600920A (zh) * 2018-01-08 2018-09-28 深圳市韶音科技有限公司 一种骨传导扬声器
CN108347679B (zh) * 2018-05-14 2020-11-20 苏州上声电子股份有限公司 一种高音扬声器
FI130007B (fi) * 2020-11-10 2022-12-15 Ps Audio Design Oy Akustinen muunnin, jossa magneetit ovat poikittain

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6399700A (ja) * 1986-10-15 1988-04-30 Seiko Epson Corp スピ−カ−用磁気回路構造
JP2001176723A (ja) * 1999-12-16 2001-06-29 Hitachi Metals Ltd リング磁石およびスピーカ
WO2002074009A1 (fr) * 2001-03-09 2002-09-19 Akito Hanada Convertisseur elctroacoustique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006080405A1 (ja) * 2005-01-28 2006-08-03 Matsushita Electric Industrial Co., Ltd. 動電型電気音響変換器および電子機器
US20060239499A1 (en) * 2005-04-25 2006-10-26 Stiles Enrique M Semi-radially-charged conical magnet for electromagnetic transducer
JP2006305453A (ja) * 2005-04-27 2006-11-09 Sony Corp 振動装置、噴流発生装置及び電子機器
US7953240B2 (en) * 2005-05-24 2011-05-31 Panasonic Corporation Loudspeaker apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6399700A (ja) * 1986-10-15 1988-04-30 Seiko Epson Corp スピ−カ−用磁気回路構造
JP2001176723A (ja) * 1999-12-16 2001-06-29 Hitachi Metals Ltd リング磁石およびスピーカ
WO2002074009A1 (fr) * 2001-03-09 2002-09-19 Akito Hanada Convertisseur elctroacoustique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2190214A4 *

Also Published As

Publication number Publication date
JP4970544B2 (ja) 2012-07-11
JPWO2009034627A1 (ja) 2010-12-16
US20110150264A1 (en) 2011-06-23
EP2190214A4 (en) 2013-02-27
EP2190214A1 (en) 2010-05-26
CN101790891A (zh) 2010-07-28

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