EP0914020A3 - Loudspeaker - Google Patents

Loudspeaker Download PDF

Info

Publication number
EP0914020A3
EP0914020A3 EP98119683A EP98119683A EP0914020A3 EP 0914020 A3 EP0914020 A3 EP 0914020A3 EP 98119683 A EP98119683 A EP 98119683A EP 98119683 A EP98119683 A EP 98119683A EP 0914020 A3 EP0914020 A3 EP 0914020A3
Authority
EP
European Patent Office
Prior art keywords
loudspeaker
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.)
Granted
Application number
EP98119683A
Other languages
German (de)
French (fr)
Other versions
EP0914020A2 (en
EP0914020B1 (en
Inventor
Leonhard Kreitmeier
Berhard Puls
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 Becker Automotive Systems GmbH
Original Assignee
Harman Audio Electronic Systems 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 Harman Audio Electronic Systems GmbH filed Critical Harman Audio Electronic Systems GmbH
Publication of EP0914020A2 publication Critical patent/EP0914020A2/en
Publication of EP0914020A3 publication Critical patent/EP0914020A3/en
Application granted granted Critical
Publication of EP0914020B1 publication Critical patent/EP0914020B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • 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
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
EP98119683A 1997-10-30 1998-10-19 Loudspeaker Expired - Lifetime EP0914020B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19747955 1997-10-30
DE1997147955 DE19747955C2 (en) 1997-10-30 1997-10-30 speaker

Publications (3)

Publication Number Publication Date
EP0914020A2 EP0914020A2 (en) 1999-05-06
EP0914020A3 true EP0914020A3 (en) 2004-09-22
EP0914020B1 EP0914020B1 (en) 2007-06-27

Family

ID=7847105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119683A Expired - Lifetime EP0914020B1 (en) 1997-10-30 1998-10-19 Loudspeaker

Country Status (2)

Country Link
EP (1) EP0914020B1 (en)
DE (2) DE19747955C2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10120281C1 (en) 2001-04-25 2002-12-05 Harman Audio Electronic Sys speaker
CN1833464B (en) * 2003-08-08 2011-04-20 Pss比利时股份有限公司 Loudspeaker with undulated membrane
JP4639142B2 (en) 2005-11-21 2011-02-23 パイオニア株式会社 Speaker device
DE102012214263B4 (en) * 2012-08-10 2019-01-24 Sennheiser Electronic Gmbh & Co. Kg Dynamic electroacoustic transducer
GB2542382A (en) * 2015-09-17 2017-03-22 Gp Acoustics (Uk) Ltd Low-profile loudspeaker

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5783995A (en) * 1980-11-11 1982-05-26 Matsushita Electric Ind Co Ltd Speaker
US4567327A (en) * 1982-02-04 1986-01-28 U.S. Philips Corporation Flat-diaphragm transducer and method of manufacturing such a transducer
US4764968A (en) * 1985-03-03 1988-08-16 Standard Elektrik Lorenz Aktiengesellschaft Disk diaphragm for a loudspeaker
EP0281774A2 (en) * 1987-03-11 1988-09-14 Blaupunkt-Werke GmbH Loudspeaker
DE3733000A1 (en) * 1987-09-30 1989-04-13 Rainer Cornelius Friz Damping elements for multiway diaphragms

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1510797A (en) * 1974-11-28 1978-05-17 Bertagni J Diaphragm for use in an electroacoustic transducer
US4184563A (en) * 1978-12-21 1980-01-22 Bertagni Jose J Planar diaphragm and supporting frame assembly
EP0729628A4 (en) * 1993-11-18 1999-06-16 Sound Advance Syst Inc Improved planar diaphragm loudspeaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5783995A (en) * 1980-11-11 1982-05-26 Matsushita Electric Ind Co Ltd Speaker
US4567327A (en) * 1982-02-04 1986-01-28 U.S. Philips Corporation Flat-diaphragm transducer and method of manufacturing such a transducer
US4764968A (en) * 1985-03-03 1988-08-16 Standard Elektrik Lorenz Aktiengesellschaft Disk diaphragm for a loudspeaker
EP0281774A2 (en) * 1987-03-11 1988-09-14 Blaupunkt-Werke GmbH Loudspeaker
DE3733000A1 (en) * 1987-09-30 1989-04-13 Rainer Cornelius Friz Damping elements for multiway diaphragms

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0061, no. 64 (E - 127) 27 August 1982 (1982-08-27) *

Also Published As

Publication number Publication date
DE19747955A1 (en) 1999-05-06
DE19747955C2 (en) 2002-11-07
EP0914020A2 (en) 1999-05-06
DE59814039D1 (en) 2007-08-09
EP0914020B1 (en) 2007-06-27

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