JPS6175696U - - Google Patents

Info

Publication number
JPS6175696U
JPS6175696U JP1984159147U JP15914784U JPS6175696U JP S6175696 U JPS6175696 U JP S6175696U JP 1984159147 U JP1984159147 U JP 1984159147U JP 15914784 U JP15914784 U JP 15914784U JP S6175696 U JPS6175696 U JP S6175696U
Authority
JP
Japan
Prior art keywords
magnet
disposed
magnetic
shielding cover
top plate
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.)
Pending
Application number
JP1984159147U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1984159147U priority Critical patent/JPS6175696U/ja
Priority to US06/789,028 priority patent/US4783824A/en
Publication of JPS6175696U publication Critical patent/JPS6175696U/ja
Pending 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
    • H04R9/04—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
    • H04R9/025—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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • 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
    • H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
JP1984159147U 1984-10-23 1984-10-23 Pending JPS6175696U (US20030220297A1-20031127-C00074.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1984159147U JPS6175696U (US20030220297A1-20031127-C00074.png) 1984-10-23 1984-10-23
US06/789,028 US4783824A (en) 1984-10-23 1985-10-18 Speaker unit having two voice coils wound around a common coil bobbin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984159147U JPS6175696U (US20030220297A1-20031127-C00074.png) 1984-10-23 1984-10-23

Publications (1)

Publication Number Publication Date
JPS6175696U true JPS6175696U (US20030220297A1-20031127-C00074.png) 1986-05-21

Family

ID=15687282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984159147U Pending JPS6175696U (US20030220297A1-20031127-C00074.png) 1984-10-23 1984-10-23

Country Status (2)

Country Link
US (1) US4783824A (US20030220297A1-20031127-C00074.png)
JP (1) JPS6175696U (US20030220297A1-20031127-C00074.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014003356A (ja) * 2012-06-15 2014-01-09 Junichi Kakumoto ボイスコイルと磁気回路とスピーカーと音響再生装置とその応用装置
JP2018170762A (ja) * 2017-03-29 2018-11-01 アスク インダストリーズ ソシエイタ´ パー アゾーニＡｓｋ Ｉｎｄｕｓｔｒｉｅｓ Ｓｏｃｉｅｔａ‘ Ｐｅｒ Ａｚｉｏｎｉ 振動制御システムを有するラウドスピーカ

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US5199005A (en) * 1992-08-14 1993-03-30 Argotec, Inc. Electromagnetic drive assembly for under water sonar transducer
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DE4317775C2 (de) * 1993-02-03 1995-02-02 Foster Electric Co Ltd Lautsprecher
US5381483A (en) * 1993-04-05 1995-01-10 Commonwealth Of Puerto Rico Minimal inductance electrodynamic transducer
JP3011829B2 (ja) * 1993-06-30 2000-02-21 株式会社ケンウッド スピーカの製造方法及び製造装置
JP3148520B2 (ja) * 1994-06-06 2001-03-19 株式会社ケンウッド スピーカ構造
JP3494711B2 (ja) * 1994-09-05 2004-02-09 パイオニア株式会社 高音再生用スピーカ装置及びその製造方法
US5802191A (en) * 1995-01-06 1998-09-01 Guenther; Godehard A. Loudspeakers, systems, and components thereof
JP3161677B2 (ja) * 1995-02-17 2001-04-25 アルパイン株式会社 スピーカ
JP3236469B2 (ja) * 1995-04-06 2001-12-10 アルパイン株式会社 磁気駆動装置およびその製造方法
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US5764783A (en) * 1996-01-16 1998-06-09 Technology Licensing Company Variable beamwidth transducer
US6158109A (en) * 1996-03-20 2000-12-12 Alpine Electronics, Inc. Coil manufacturing method using ring shaped spacer
DE19729082A1 (de) * 1997-07-08 1999-01-14 Nokia Deutschland Gmbh Abgeschirmtes Magnetsystem
US6768806B1 (en) 1998-03-19 2004-07-27 Harman International Industries, Incorporated Shorting rings in dual-coil dual-gap loudspeaker drivers
AU756783B2 (en) 1998-06-22 2003-01-23 Slab Technology Limited Loudspeakers
JP2002530967A (ja) * 1998-11-13 2002-09-17 エイ グエンサー ゴードハード 希土類磁石ラウドスピーカーのための低コストのモーター設計
US8588457B2 (en) 1999-08-13 2013-11-19 Dr. G Licensing, Llc Low cost motor design for rare-earth-magnet loudspeakers
WO2000067523A2 (en) * 1999-04-29 2000-11-09 New Transducers Limited Moving coil driver
JP2000341789A (ja) * 1999-05-26 2000-12-08 Sony Corp スピーカ
AU6636700A (en) 1999-08-13 2001-03-13 Godehard A. Guenther Low cost broad range loudspeaker and system
JP3984397B2 (ja) * 1999-09-14 2007-10-03 パイオニア株式会社 スピーカ
US6738490B2 (en) * 2000-01-11 2004-05-18 Eugene P. Brandt Loudspeaker with independent magnetic dampening and excursion control
US6611606B2 (en) 2000-06-27 2003-08-26 Godehard A. Guenther Compact high performance speaker
EP1410682B1 (en) * 2000-06-27 2017-02-08 Dr. G Licensing, LLC Low profile speaker and system
US6993147B2 (en) * 2000-08-14 2006-01-31 Guenther Godehard A Low cost broad range loudspeaker and system
US7039213B2 (en) * 2002-01-16 2006-05-02 Hyre David E Speaker driver
JP3946047B2 (ja) * 2002-01-21 2007-07-18 アルパイン株式会社 スピーカの磁気回路
GB0221995D0 (en) * 2002-09-21 2002-10-30 Kh Technology Corp Improvements in electromechanical transducers
US6996247B2 (en) * 2002-11-05 2006-02-07 Step Technologies, Inc. Push-push multiple magnetic air gap transducer
US6940992B2 (en) * 2002-11-05 2005-09-06 Step Technologies Inc. Push-push multiple magnetic air gap transducer
US7412071B2 (en) * 2003-06-18 2008-08-12 Yuyao Temperature Instrument Factory Co., Ltd. Low-inductance electromagnetic drive without driving the magnetic flux circuit
NO20033768A (no) * 2003-08-25 2005-01-03 Tandberg Telecom As Magnetmikrofon
US20080247582A1 (en) * 2004-09-09 2008-10-09 Guenther Godehard A Loudspeaker and Systems
US8249291B2 (en) * 2006-03-28 2012-08-21 Harman International Industries, Incorporated Extended multiple gap motors for electromagnetic transducers
US20070297639A1 (en) * 2006-06-21 2007-12-27 Noll Michael A Multiple magnet loudspeaker
US8189840B2 (en) 2007-05-23 2012-05-29 Soundmatters International, Inc. Loudspeaker and electronic devices incorporating same
US9838794B2 (en) * 2013-04-26 2017-12-05 Sound Solutions International Co., Ltd. Double coil speaker
US9445201B2 (en) * 2013-11-21 2016-09-13 Harman International Industries, Inc. Inverted dual coil transducer
CN104301847B (zh) * 2014-11-03 2017-11-28 常州阿木奇声学科技有限公司 一种减小低频失真的动铁单元磁力驱动机构
CN104284282B (zh) * 2014-11-03 2018-05-11 常州阿木奇声学科技有限公司 一种改善动铁单元低、高频性能的磁力驱动机构
US11184712B2 (en) * 2015-05-19 2021-11-23 Bose Corporation Dual-field single-voice-coil transducer
US10149060B2 (en) * 2015-11-20 2018-12-04 Aac Acoustic Technologies (Shenzhen) Co., Ltd. Long stroke speaker
CN106303855B (zh) * 2016-08-26 2020-01-24 迪芬尼香港有限公司 一种扬声器结构
WO2019134162A1 (zh) * 2018-01-08 2019-07-11 深圳市韶音科技有限公司 一种骨传导扬声器
US10609488B1 (en) * 2018-09-28 2020-03-31 Harman International Industries, Incorporated Dual-coil (differential drive) tactile transducer
US10951991B2 (en) * 2019-02-27 2021-03-16 Paradigm Electronics Inc. Loudspeaker
US11611831B1 (en) * 2022-09-27 2023-03-21 Flatvox Fzc Llc Electrodynamic actuator for acoustic oscillations

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014003356A (ja) * 2012-06-15 2014-01-09 Junichi Kakumoto ボイスコイルと磁気回路とスピーカーと音響再生装置とその応用装置
JP2018170762A (ja) * 2017-03-29 2018-11-01 アスク インダストリーズ ソシエイタ´ パー アゾーニＡｓｋ Ｉｎｄｕｓｔｒｉｅｓ Ｓｏｃｉｅｔａ‘ Ｐｅｒ Ａｚｉｏｎｉ 振動制御システムを有するラウドスピーカ

Also Published As

Publication number Publication date
US4783824A (en) 1988-11-08

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