DE4225156A1 - Magnetsystem für elektroakustische Wandler - Google Patents

Magnetsystem für elektroakustische Wandler

Info

Publication number
DE4225156A1
DE4225156A1 DE19924225156 DE4225156A DE4225156A1 DE 4225156 A1 DE4225156 A1 DE 4225156A1 DE 19924225156 DE19924225156 DE 19924225156 DE 4225156 A DE4225156 A DE 4225156A DE 4225156 A1 DE4225156 A1 DE 4225156A1
Authority
DE
Germany
Prior art keywords
neodymium
air gap
disc
magnet system
induction
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.)
Withdrawn
Application number
DE19924225156
Other languages
German (de)
English (en)
Inventor
Gerhard Pfaffinger
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 Deutschland GmbH
Original Assignee
Nokia Deutschland 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 Deutschland GmbH filed Critical Nokia Deutschland GmbH
Priority to DE19924225156 priority Critical patent/DE4225156A1/de
Priority to EP19930111355 priority patent/EP0581129B1/de
Priority to DK93111355T priority patent/DK0581129T3/da
Priority to DE59303831T priority patent/DE59303831D1/de
Priority to JP19045793A priority patent/JPH06163240A/ja
Publication of DE4225156A1 publication Critical patent/DE4225156A1/de
Withdrawn legal-status Critical Current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)
DE19924225156 1992-07-30 1992-07-30 Magnetsystem für elektroakustische Wandler Withdrawn DE4225156A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19924225156 DE4225156A1 (de) 1992-07-30 1992-07-30 Magnetsystem für elektroakustische Wandler
EP19930111355 EP0581129B1 (de) 1992-07-30 1993-07-15 Magnetsystem für elektroakustische Wandler
DK93111355T DK0581129T3 (ar) 1992-07-30 1993-07-15
DE59303831T DE59303831D1 (de) 1992-07-30 1993-07-15 Magnetsystem für elektroakustische Wandler
JP19045793A JPH06163240A (ja) 1992-07-30 1993-07-30 電気音響変換器のための磁石系

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE4225156A1 true DE4225156A1 (de) 1994-02-03

Family

ID=6464440

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19924225156 Withdrawn DE4225156A1 (de) 1992-07-30 1992-07-30 Magnetsystem für elektroakustische Wandler
DE59303831T Expired - Lifetime DE59303831D1 (de) 1992-07-30 1993-07-15 Magnetsystem für elektroakustische Wandler

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59303831T Expired - Lifetime DE59303831D1 (de) 1992-07-30 1993-07-15 Magnetsystem für elektroakustische Wandler

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1223789A2 (en) * 2001-01-16 2002-07-17 KH Technology Magnet system for loudspeakers
DE19808688C2 (de) * 1997-03-05 2002-12-12 Harman Audio Electronic Sys Magnetsystem und Verfahren zu seiner Herstellung

Families Citing this family (7)

* 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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (ar) * 1990-07-07 1991-06-27 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188790A (en) * 1986-04-04 1987-10-07 Data Recording Instr Co Switched stator winding for an electric motor
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (ar) * 1990-07-07 1991-06-27 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19808688C2 (de) * 1997-03-05 2002-12-12 Harman Audio Electronic Sys Magnetsystem und Verfahren zu seiner Herstellung
EP1223789A2 (en) * 2001-01-16 2002-07-17 KH Technology Magnet system for loudspeakers
EP1223789A3 (en) * 2001-01-16 2003-08-13 KH Technology Magnet system for loudspeakers

Also Published As

Publication number Publication date
DE59303831D1 (de) 1996-10-24
EP0581129B1 (de) 1996-09-18
EP0581129A1 (de) 1994-02-02
JPH06163240A (ja) 1994-06-10
DK0581129T3 (ar) 1997-03-17

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8139 Disposal/non-payment of the annual fee