JPH06163240A - 電気音響変換器のための磁石系 - Google Patents

電気音響変換器のための磁石系

Info

Publication number
JPH06163240A
JPH06163240A JP19045793A JP19045793A JPH06163240A JP H06163240 A JPH06163240 A JP H06163240A JP 19045793 A JP19045793 A JP 19045793A JP 19045793 A JP19045793 A JP 19045793A JP H06163240 A JPH06163240 A JP H06163240A
Authority
JP
Japan
Prior art keywords
neodymium
disc
flux density
gap
pole 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
JP19045793A
Other languages
English (en)
Japanese (ja)
Inventor
Gerhard Pfaffinger
ゲルハルト・プファッフィンガー
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.)
Nokia Technology GmbH
Original Assignee
Nokia Technology GmbH
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 Nokia Technology GmbH filed Critical Nokia Technology GmbH
Publication of JPH06163240A publication Critical patent/JPH06163240A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
JP19045793A 1992-07-30 1993-07-30 電気音響変換器のための磁石系 Pending JPH06163240A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924225156 DE4225156A1 (de) 1992-07-30 1992-07-30 Magnetsystem für elektroakustische Wandler
DE4225156:7 1992-07-30

Publications (1)

Publication Number Publication Date
JPH06163240A true JPH06163240A (ja) 1994-06-10

Family

ID=6464440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19045793A Pending JPH06163240A (ja) 1992-07-30 1993-07-30 電気音響変換器のための磁石系

Country Status (4)

Country Link
EP (1) EP0581129B1 (de)
JP (1) JPH06163240A (de)
DE (2) DE4225156A1 (de)
DK (1) DK0581129T3 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618898A1 (de) * 1996-05-10 1997-11-13 Nokia Deutschland Gmbh Lautsprecher
DE19808688C2 (de) * 1997-03-05 2002-12-12 Harman Audio Electronic Sys Magnetsystem und Verfahren zu seiner Herstellung
GB2371165B (en) * 2001-01-16 2004-12-22 Kh Technology Magnet system for loudspeakers
ITRE20010026A1 (it) 2001-03-23 2002-09-23 S I P E Societ Italiana Elettr Coppe per altoparlanti con magnete al neodimio.
JP3981926B2 (ja) * 2003-11-17 2007-09-26 ソニー株式会社 スピーカ装置
JP2005151253A (ja) 2003-11-17 2005-06-09 Sony Corp スピーカ装置
JP3797561B2 (ja) 2003-11-18 2006-07-19 ソニー株式会社 スピーカ装置
US7894623B2 (en) 2006-03-22 2011-02-22 Harman International Industries, Incorporated Loudspeaker having an interlocking magnet structure
US9854365B2 (en) 2016-04-15 2017-12-26 Harman International Industries, Inc. Loudspeaker motor and suspension system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188791A (en) * 1986-04-04 1987-10-07 Data Recording Instr Co Improved motor design
GB8810943D0 (en) * 1988-05-09 1988-06-15 Kef Electronics Ltd Loudspeaker
US4926896A (en) * 1988-12-23 1990-05-22 Dresser Industries, Inc. Sensitive electrical to mechanical transducer
DE3936639C1 (en) * 1989-11-03 1991-03-07 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Permanent magnet arrangement e.g. for vehicle loudspeaker - includes associated oscillatory coil arrangement to drive loudspeaker diaphragm
DE4021651C1 (de) * 1990-07-07 1991-06-27 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De

Also Published As

Publication number Publication date
DE4225156A1 (de) 1994-02-03
DK0581129T3 (de) 1997-03-17
EP0581129B1 (de) 1996-09-18
DE59303831D1 (de) 1996-10-24
EP0581129A1 (de) 1994-02-02

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