AU2000266815A1 - Double coils and double magnetic gaps transducer - Google Patents

Double coils and double magnetic gaps transducer

Info

Publication number
AU2000266815A1
AU2000266815A1 AU2000266815A AU6681500A AU2000266815A1 AU 2000266815 A1 AU2000266815 A1 AU 2000266815A1 AU 2000266815 A AU2000266815 A AU 2000266815A AU 6681500 A AU6681500 A AU 6681500A AU 2000266815 A1 AU2000266815 A1 AU 2000266815A1
Authority
AU
Australia
Prior art keywords
double
transducer
coils
magnetic gaps
double magnetic
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.)
Abandoned
Application number
AU2000266815A
Inventor
Fan Zhang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2000266815A1 publication Critical patent/AU2000266815A1/en
Abandoned 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
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
AU2000266815A 1999-08-20 2000-08-18 Double coils and double magnetic gaps transducer Abandoned AU2000266815A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN99232403 1999-08-20
CN00222791 2000-04-14
PCT/CN2000/000241 WO2001015493A1 (en) 1999-08-20 2000-08-18 Double coils and double magnetic gaps transducer

Publications (1)

Publication Number Publication Date
AU2000266815A1 true AU2000266815A1 (en) 2001-03-19

Family

ID=25739839

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000266815A Abandoned AU2000266815A1 (en) 1999-08-20 2000-08-18 Double coils and double magnetic gaps transducer

Country Status (3)

Country Link
US (1) US6795564B2 (en)
AU (1) AU2000266815A1 (en)
WO (1) WO2001015493A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050099255A1 (en) * 2000-08-18 2005-05-12 Fan Zhang Transducer with dual coil and dual magnetic gap
TWM280510U (en) * 2005-07-05 2005-11-11 Lung Guan Sound-effect player
US20100202647A1 (en) * 2005-07-05 2010-08-12 Ricky Kuan Portable audio system
JP2007208592A (en) * 2006-02-01 2007-08-16 Sanyo Electric Co Ltd Speaker unit
US8270660B2 (en) * 2006-07-03 2012-09-18 Pioneer Corporation Speaker device and speaker unit
US9294843B2 (en) 2007-10-13 2016-03-22 Fan Zhang Multimedia acoustics system having audio frequency digital interface
US8121337B2 (en) * 2008-09-08 2012-02-21 Eugen Nedelcu Free air magnetic circuit and speaker
EP2624596A4 (en) * 2011-05-19 2015-07-08 Tang Band Ind Co Ltd Ultrathin electromagnetic vibration device and manufacture method thereof
WO2014008596A1 (en) * 2012-07-09 2014-01-16 Trench Limited Sound mitigation for air core reactors
EP2867906B1 (en) * 2013-03-11 2018-05-23 STS Spezial-Transformatoren-Stockach GmbH & Co. KG Inductive component
CN103389476B (en) * 2013-06-09 2015-12-23 西北核技术研究所 Based on measuring method and the device of the magnetic gap magnetic induction density of electric and magnetic oscillation principle
KR101556525B1 (en) 2014-12-15 2015-10-05 주식회사 이엠텍 Vent structure of the slim microspeaker
CN105681986B (en) * 2016-03-30 2021-08-13 高邮市华声电子有限公司 Electroacoustic transducer convenient to installation
CN108173406B (en) * 2017-12-29 2023-11-28 浙江工业大学 Closed magnetic circuit shoe energy collecting device
CN108023457B (en) * 2017-12-29 2023-11-28 浙江工业大学 Deformation type shoe energy collecting device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3168750B2 (en) * 1993-01-29 2001-05-21 ソニー株式会社 Speaker device
JPH06269076A (en) * 1993-03-16 1994-09-22 Sanyo Electric Co Ltd Coaxial speaker
US5848165A (en) * 1994-07-27 1998-12-08 Pritchard; Eric K. Fat sound creation means
CN2230070Y (en) * 1994-11-23 1996-06-26 陈正宗 Loud-speaker with double voice coil, double magnetic field and double push-pull
JPH08289385A (en) * 1995-04-17 1996-11-01 Sony Corp Speaker
US6330340B1 (en) * 1995-12-29 2001-12-11 Jl Audio, Inc. Loudspeaker with a diaphragm having integral vent bores
US5937074A (en) * 1996-08-12 1999-08-10 Carver; Robert W. High back emf, high pressure subwoofer having small volume cabinet, low frequency cutoff and pressure resistant surround
DE19734120A1 (en) * 1997-08-07 1999-02-18 Nokia Deutschland Gmbh Sound display device
CN1115943C (en) * 1998-04-14 2003-07-23 张凡 loudspeaker and preparation method

Also Published As

Publication number Publication date
US6795564B2 (en) 2004-09-21
US20040066263A1 (en) 2004-04-08
WO2001015493A1 (en) 2001-03-01

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase
TH Corrigenda

Free format text: IN VOL 16, NO 12, PAGE(S) 2688-2711 UNDER THE HEADING APPLICATIONS LAPSED, REFUSED OR WITHDRAWN PLEASE DELETE ALL REFERENCE TO APPLICATION NO. 55733/00, 66815/00, 69831/00, 65707/01, 65708/01, 66125/01, 66342/01, 67132/01, 67134/01, 67140/01, 67141/01, 67143/01, 67144/01, 67145/01, 67147/01, 67154/01, 67697/01, 68950/01, 69171/01, 69227/01, 69246/01, 70676/01, 70683/01, 72357/01, 74142/01, 74446/01, 74630/01, 74652/01, 76273/01, 76284/01, 77465/01