DK0685983T3 - Magnetisk kredløbsenhed til højttalere og fremgangsmåde til at fremstille denne - Google Patents

Magnetisk kredløbsenhed til højttalere og fremgangsmåde til at fremstille denne

Info

Publication number
DK0685983T3
DK0685983T3 DK95108259T DK95108259T DK0685983T3 DK 0685983 T3 DK0685983 T3 DK 0685983T3 DK 95108259 T DK95108259 T DK 95108259T DK 95108259 T DK95108259 T DK 95108259T DK 0685983 T3 DK0685983 T3 DK 0685983T3
Authority
DK
Denmark
Prior art keywords
manufacturing
speaker unit
magnetic orbital
orbital
magnetic
Prior art date
Application number
DK95108259T
Other languages
English (en)
Inventor
Hiroshi Ueda
Kazuhiro Ohyama
Shizuo Furuyama
Kiyoshi Kojima
Masayuki Wakamiya
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DK0685983T3 publication Critical patent/DK0685983T3/da

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
    • 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Hard Magnetic Materials (AREA)
DK95108259T 1994-05-30 1995-05-30 Magnetisk kredløbsenhed til højttalere og fremgangsmåde til at fremstille denne DK0685983T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11645594 1994-05-30
JP32475294A JP3161673B2 (ja) 1994-05-30 1994-12-27 マイクロスピーカ用磁気回路ユニット及びその製造方法

Publications (1)

Publication Number Publication Date
DK0685983T3 true DK0685983T3 (da) 2002-12-02

Family

ID=26454785

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95108259T DK0685983T3 (da) 1994-05-30 1995-05-30 Magnetisk kredløbsenhed til højttalere og fremgangsmåde til at fremstille denne

Country Status (5)

Country Link
US (1) US5751828A (da)
EP (1) EP0685983B1 (da)
JP (1) JP3161673B2 (da)
DE (1) DE69528725T2 (da)
DK (1) DK0685983T3 (da)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5802191A (en) 1995-01-06 1998-09-01 Guenther; Godehard A. Loudspeakers, systems, and components thereof
FR2754630B1 (fr) * 1996-10-10 2000-12-01 Electricite De France Procede de fabrication d'un conducteur, ou circuit electrique compense en parasites radioelectriques tels que micro-decharges et conducteur ou circuit correspondant
EP1145594A1 (en) * 1998-11-13 2001-10-17 Godehard A. Guenther Low cost motor design for rare-earth-magnet loudspeakers
US8588457B2 (en) * 1999-08-13 2013-11-19 Dr. G Licensing, Llc Low cost motor design for rare-earth-magnet loudspeakers
DE19902679C1 (de) * 1999-01-23 2000-11-16 Harman Audio Electronic Sys Lautsprecher
AU6636700A (en) 1999-08-13 2001-03-13 Godehard A. Guenther Low cost broad range loudspeaker and system
JP2004502366A (ja) * 2000-06-27 2004-01-22 ゴードハード　エイ　グエンサー 薄型スピーカ及びシステム
US6611606B2 (en) * 2000-06-27 2003-08-26 Godehard A. Guenther Compact high performance speaker
US6993147B2 (en) * 2000-08-14 2006-01-31 Guenther Godehard A Low cost broad range loudspeaker and system
FR2821710B1 (fr) * 2001-03-01 2003-06-27 Phl Audio Circuit magnetique pour haut-parleur electrodynamique
JP2003078991A (ja) * 2001-09-04 2003-03-14 Matsushita Electric Ind Co Ltd スピーカ
JP3718805B2 (ja) * 2002-10-30 2005-11-24 ミネベア株式会社 スピーカの製造方法
AT414196B (de) * 2003-03-17 2006-10-15 Akg Acoustics Gmbh Magnetsystem eines schallwandlers
US7653208B2 (en) * 2004-09-09 2010-01-26 Guenther Godehard A Loudspeakers and systems
JP4704188B2 (ja) * 2005-10-28 2011-06-15 富士通テン株式会社 エキサイタの磁気回路構造
US8189840B2 (en) * 2007-05-23 2012-05-29 Soundmatters International, Inc. Loudspeaker and electronic devices incorporating same
JP2009094626A (ja) * 2007-10-04 2009-04-30 Pioneer Electronic Corp スピーカ用磁気回路、およびスピーカ
WO2009127989A1 (en) * 2008-04-15 2009-10-22 Nxp B.V. Magnet system and method of manufacturing the same
CN201435282Y (zh) * 2009-05-27 2010-03-31 瑞声声学科技(常州)有限公司 新型磁路系统
SE534805C2 (sv) * 2010-08-28 2011-12-27 Osseofon Ab Miniatyriserad variabel reluktansvibrator
WO2013145227A1 (ja) * 2012-03-29 2013-10-03 パイオニア株式会社 スピーカー装置用磁気回路及びスピーカー装置
CN106252018B (zh) * 2016-08-30 2019-06-04 九阳股份有限公司 一种导磁装置和制备该导磁装置的方法
KR102552838B1 (ko) * 2021-11-18 2023-07-10 주식회사 알머스 이어폰용 스피커

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE505468A (da) * 1951-04-23
JPH0224313Y2 (da) * 1980-08-01 1990-07-03
JPS5853299A (ja) * 1981-09-25 1983-03-29 Seiko Instr & Electronics Ltd 動電形スピ−カ
JPS6399700A (ja) * 1986-10-15 1988-04-30 Seiko Epson Corp スピ−カ−用磁気回路構造
GB8710489D0 (en) * 1987-05-02 1987-06-03 Raychem Pontoise Sa Solder connector device
JPH024100A (ja) * 1988-06-17 1990-01-09 Seiko Epson Corp スピーカー用永久磁石磁気回路
WO1989012902A1 (en) * 1988-06-21 1989-12-28 Matsushita Electric Industrial Co., Ltd. Method of producing permanent magnet
US5154978A (en) * 1989-03-22 1992-10-13 Tdk Corporation Highly corrosion-resistant rare-earth-iron magnets
JPH0344904A (ja) * 1989-07-12 1991-02-26 Matsushita Electric Ind Co Ltd 希土類・鉄系永久磁石の製造方法
US5229461A (en) * 1990-05-22 1993-07-20 Daikin Industries, Ltd. Vinylidene fluoride copolymer and composition containing the same
JP3051906B2 (ja) * 1991-02-07 2000-06-12 セイコーインスツルメンツ株式会社 希土類磁石
JPH05302197A (ja) * 1992-04-28 1993-11-16 Matsushita Electric Ind Co Ltd 電着塗装における塗膜欠陥の修正方法
US5446797A (en) * 1992-07-17 1995-08-29 Linaeum Corporation Audio transducer with etched voice coil
DE4234069A1 (de) * 1992-10-09 1994-04-14 Nokia Deutschland Gmbh Konuslautsprecher in Leichtbauweise

Also Published As

Publication number Publication date
US5751828A (en) 1998-05-12
EP0685983B1 (en) 2002-11-06
EP0685983A2 (en) 1995-12-06
DE69528725D1 (de) 2002-12-12
JPH0851693A (ja) 1996-02-20
EP0685983A3 (en) 1996-08-21
JP3161673B2 (ja) 2001-04-25
DE69528725T2 (de) 2003-03-13

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