DK0581129T3 - - Google Patents

Info

Publication number
DK0581129T3
DK0581129T3 DK93111355T DK93111355T DK0581129T3 DK 0581129 T3 DK0581129 T3 DK 0581129T3 DK 93111355 T DK93111355 T DK 93111355T DK 93111355 T DK93111355 T DK 93111355T DK 0581129 T3 DK0581129 T3 DK 0581129T3
Authority
DK
Denmark
Application number
DK93111355T
Other languages
Danish (da)
Inventor
Gerhard Pfaffinger
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
Application granted granted Critical
Publication of DK0581129T3 publication Critical patent/DK0581129T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic 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)
DK93111355T 1992-07-30 1993-07-15 DK0581129T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19924225156 DE4225156A1 (en) 1992-07-30 1992-07-30 Magnet system for electro-acoustic transducers

Publications (1)

Publication Number Publication Date
DK0581129T3 true DK0581129T3 (en) 1997-03-17

Family

ID=6464440

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93111355T DK0581129T3 (en) 1992-07-30 1993-07-15

Country Status (4)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19618898A1 (en) * 1996-05-10 1997-11-13 Nokia Deutschland Gmbh speaker
DE19808688C2 (en) * 1997-03-05 2002-12-12 Harman Audio Electronic Sys Magnet system and method for its manufacture
GB2371165B (en) * 2001-01-16 2004-12-22 Kh Technology Magnet system for loudspeakers
ITRE20010026A1 (en) 2001-03-23 2002-09-23 S I P E Societ Italiana Elettr SPEAKER CUPS WITH NEODYMIUM MAGNET.
JP3981926B2 (en) * 2003-11-17 2007-09-26 ソニー株式会社 Speaker device
JP2005151253A (en) 2003-11-17 2005-06-09 Sony Corp Speaker apparatus
JP3797561B2 (en) 2003-11-18 2006-07-19 ソニー株式会社 Speaker device
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 (en) * 1990-07-07 1991-06-27 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De

Also Published As

Publication number Publication date
EP0581129B1 (en) 1996-09-18
DE4225156A1 (en) 1994-02-03
DE59303831D1 (en) 1996-10-24
EP0581129A1 (en) 1994-02-02
JPH06163240A (en) 1994-06-10

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