CN1152601C - 改进的扬声器驱动器结构 - Google Patents

改进的扬声器驱动器结构 Download PDF

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Publication number
CN1152601C
CN1152601C CNB998054852A CN99805485A CN1152601C CN 1152601 C CN1152601 C CN 1152601C CN B998054852 A CNB998054852 A CN B998054852A CN 99805485 A CN99805485 A CN 99805485A CN 1152601 C CN1152601 C CN 1152601C
Authority
CN
China
Prior art keywords
voice coil
pole
annular
short
circuited conducting
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 - Lifetime
Application number
CNB998054852A
Other languages
English (en)
Chinese (zh)
Other versions
CN1298622A (zh
Inventor
J
道格拉斯·J·巴顿
E
拉尔夫·E·海德
v
亚历克斯·V·萨尔瓦蒂
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.)
Harman Professional Inc
Original Assignee
JBL Inc
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 JBL Inc filed Critical JBL Inc
Publication of CN1298622A publication Critical patent/CN1298622A/zh
Application granted granted Critical
Publication of CN1152601C publication Critical patent/CN1152601C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils
    • 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
    • H04R2209/041—Voice coil arrangements comprising more than one voice coil unit on the same bobbin

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Circuit For Audible Band Transducer (AREA)
CNB998054852A 1998-03-19 1999-03-19 改进的扬声器驱动器结构 Expired - Lifetime CN1152601C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7862398P 1998-03-19 1998-03-19
US60/078,623 1998-03-19

Publications (2)

Publication Number Publication Date
CN1298622A CN1298622A (zh) 2001-06-06
CN1152601C true CN1152601C (zh) 2004-06-02

Family

ID=22145231

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998054852A Expired - Lifetime CN1152601C (zh) 1998-03-19 1999-03-19 改进的扬声器驱动器结构

Country Status (8)

Country Link
EP (1) EP1072168B1 (de)
JP (1) JP3574403B2 (de)
CN (1) CN1152601C (de)
AT (1) ATE414395T1 (de)
AU (1) AU3194199A (de)
CA (1) CA2324394C (de)
DE (1) DE69939898D1 (de)
WO (1) WO1999048329A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6774510B1 (en) * 2000-10-25 2004-08-10 Harman International Industries, Inc. Electromagnetic motor with flux stabilization ring, saturation tips, and radiator
US7412071B2 (en) * 2003-06-18 2008-08-12 Yuyao Temperature Instrument Factory Co., Ltd. Low-inductance electromagnetic drive without driving the magnetic flux circuit
CN101202161B (zh) * 2007-10-24 2012-12-26 钱维忠 开合式电流互感器
CN102149036A (zh) * 2010-02-09 2011-08-10 美律实业股份有限公司 具有双音圈的扬声器
FR2971385B1 (fr) * 2011-02-08 2014-02-14 Renault Sa Dispositif de moteur magnetique de transducteur electrodynamique
EP2833648B1 (de) * 2013-08-01 2016-04-27 Harman International Industries, Inc. Elektrodynamischer Lautsprecher mit leitenden Elementen
CN107820174B (zh) * 2017-11-22 2020-03-17 重庆长安汽车股份有限公司 一种车载扬声器磁路结构
US11785392B2 (en) 2019-09-27 2023-10-10 Apple Inc. Dual function transducer
US11070920B2 (en) * 2019-09-27 2021-07-20 Apple Inc. Dual function transducer
CN116980800A (zh) * 2023-09-25 2023-10-31 苏州墨觉智能电子有限公司 一种磁路组件、骨导发声装置及骨导耳机

Family Cites Families (9)

* 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
US3783311A (en) * 1970-12-19 1974-01-01 Coral Audio Corp Magnetic device for use in acoustic apparatus
JPS542647Y2 (de) * 1971-03-10 1979-02-05
JPS5235294B2 (de) * 1971-12-17 1977-09-08
JP2501948Y2 (ja) * 1985-09-02 1996-06-19 パイオニア株式会社 車載音響装置
WO1991005447A1 (en) * 1989-10-02 1991-04-18 Jbl, Incorporated Improved electrodynamic loudspeaker
US5381483A (en) * 1993-04-05 1995-01-10 Commonwealth Of Puerto Rico Minimal inductance electrodynamic transducer
DK54093D0 (da) * 1993-05-10 1993-05-10 Scan Speak As Hoejttaler
EP0821861B1 (de) * 1995-04-18 2007-06-13 Harman International Industries Incorporated Spulenpaarantrieb mit mehrzweckgehäuse

Also Published As

Publication number Publication date
CA2324394C (en) 2006-02-07
EP1072168B1 (de) 2008-11-12
DE69939898D1 (de) 2008-12-24
CA2324394A1 (en) 1999-09-23
EP1072168A4 (de) 2006-02-08
AU3194199A (en) 1999-10-11
JP2002507873A (ja) 2002-03-12
EP1072168A1 (de) 2001-01-31
WO1999048329A1 (en) 1999-09-23
JP3574403B2 (ja) 2004-10-06
CN1298622A (zh) 2001-06-06
ATE414395T1 (de) 2008-11-15

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SE01 Entry into force of request for substantive examination
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GR01 Patent grant
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Granted publication date: 20040602