EP0987922A3 - Panneau multirésonnant - Google Patents

Panneau multirésonnant Download PDF

Info

Publication number
EP0987922A3
EP0987922A3 EP99114408A EP99114408A EP0987922A3 EP 0987922 A3 EP0987922 A3 EP 0987922A3 EP 99114408 A EP99114408 A EP 99114408A EP 99114408 A EP99114408 A EP 99114408A EP 0987922 A3 EP0987922 A3 EP 0987922A3
Authority
EP
European Patent Office
Prior art keywords
unit
air volume
frame
core layer
covering layers
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
EP99114408A
Other languages
German (de)
English (en)
Other versions
EP0987922A2 (fr
EP0987922B1 (fr
Inventor
Wolfgang Prof. Dr. Bachmann
Gerhard Dr. Krump
Hans-Jürgen Regl
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 Becker Automotive 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 Becker Automotive Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Publication of EP0987922A2 publication Critical patent/EP0987922A2/fr
Publication of EP0987922A3 publication Critical patent/EP0987922A3/fr
Application granted granted Critical
Publication of EP0987922B1 publication Critical patent/EP0987922B1/fr
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; ELECTRIC HEARING AIDS; 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
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/01—Acoustic transducers using travelling bending waves to generate or detect sound

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Building Environments (AREA)
EP99114408A 1998-09-19 1999-07-22 Panneau multirésonnant Expired - Lifetime EP0987922B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843079A DE19843079A1 (de) 1998-09-19 1998-09-19 Multiresonanzplatte
DE19843079 1998-09-19

Publications (3)

Publication Number Publication Date
EP0987922A2 EP0987922A2 (fr) 2000-03-22
EP0987922A3 true EP0987922A3 (fr) 2006-12-06
EP0987922B1 EP0987922B1 (fr) 2007-09-12

Family

ID=7881602

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99114408A Expired - Lifetime EP0987922B1 (fr) 1998-09-19 1999-07-22 Panneau multirésonnant

Country Status (4)

Country Link
US (1) US6748090B1 (fr)
EP (1) EP0987922B1 (fr)
AT (1) ATE373400T1 (fr)
DE (2) DE19843079A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE524284C2 (sv) * 2002-04-18 2004-07-20 A2 Acoustics Ab Anordning för att driva ett membran inrättat i en öppning till ett utrymme samt fordon innefattande en anordning för att driva ett membran inrättat i en öppning hos fordonet
US20080080734A1 (en) * 2006-10-03 2008-04-03 Forth Robert A Sports audio player and two-way voice/data communication device
DE102012025313B3 (de) * 2012-12-22 2014-02-20 Audi Ag Schallwandler zur Wandlung elektrischer Signale in Luftschall
MY201278A (en) 2015-09-14 2024-02-14 Wing Acoustics Ltd Improvements in or relating to audio transducers
US11166100B2 (en) 2017-03-15 2021-11-02 Wing Acoustics Limited Bass optimization for audio systems and devices
WO2018172944A1 (fr) 2017-03-22 2018-09-27 Wing Acoustics Limited Systèmes, procédés et dispositifs se rapportant à des charnières et à des transducteurs audio
US10848857B2 (en) * 2018-12-05 2020-11-24 Oda, Inc. Speaker
CN209767821U (zh) * 2019-06-20 2019-12-10 苏州上声电子股份有限公司 一种多路输入驱动的扬声器
CN210053564U (zh) 2019-07-02 2020-02-11 苏州茹声电子有限公司 多路输入驱动的扬声器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112516B1 (de) * 1971-03-16 1972-10-19 Kurtze Guenther Dipl Phys Prof Richtlautsprecher
EP0720415A2 (fr) * 1994-12-28 1996-07-03 Kabushiki Kaisha Kenwood Composant de haut-parleur, haut-parleur, et procédé de sa fabrication
WO1997009861A1 (fr) * 1995-09-02 1997-03-13 New Transducers Limited Transducteur inertiel de vibrations
WO1998022987A2 (fr) * 1996-11-19 1998-05-28 Mctaggart Stephen I Batterie imprimee a integrer a un article en feuille lamine

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2063945A (en) 1933-08-02 1936-12-15 Pierce George Washington Diaphragm and method
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker
NL7308103A (fr) * 1973-06-12 1974-12-16
JPS5748153Y2 (fr) * 1977-11-26 1982-10-22
US4352961A (en) * 1979-06-15 1982-10-05 Hitachi, Ltd. Transparent flat panel piezoelectric speaker
US4625328A (en) * 1983-06-13 1986-11-25 Konutra Industries, Ltd. Integrated amplifier and speaker system with improved cooling efficiency
US5031222A (en) * 1988-07-22 1991-07-09 Murata Manufacturing Co., Ltd. Piezoelectric speaker
WO1992003024A1 (fr) * 1990-08-04 1992-02-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Haut-parleur sous forme de panneau
US5533132A (en) * 1995-01-23 1996-07-02 Jbl Incorporated Loudspeaker thermal management structure
UA51671C2 (uk) 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
GB2305809B (en) 1995-09-28 1997-11-05 Harman Int Ind Power amplifier and loudspeaker frame integration
US5702230A (en) * 1996-01-29 1997-12-30 General Electric Company Actively controlled acoustic treatment panel
GB2319923B (en) * 1996-11-27 2000-09-27 Sony Uk Ltd Loudspeaker
US6243472B1 (en) * 1997-09-17 2001-06-05 Frank Albert Bilan Fully integrated amplified loudspeaker
DE19757097B4 (de) 1997-12-20 2004-04-15 Harman Audio Electronic Systems Gmbh Schallwiedergabeanordnung
DE19757099A1 (de) 1997-12-20 1999-06-24 Nokia Deutschland Gmbh Kontaktierung für eine Schallwiedergabeanordnung nach dem Biegewellenprinzip
DE19757098C2 (de) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip
JPH11275678A (ja) * 1998-03-25 1999-10-08 Sony Corp スピーカ装置
DE19821861A1 (de) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Vorrichtung zur dynamischen Anregung von Plattenlautsprechern
DE19821860A1 (de) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Treiber für flaches Klangpaneel
DE19821624A1 (de) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Projektionswand
DE19840375C2 (de) 1998-09-04 2003-08-28 Harman Audio Electronic Sys Schallwand
DE10001410C2 (de) 2000-01-14 2001-12-06 Harman Audio Electronic Sys Flachlautsprecheranordnung
DE10025460B4 (de) 2000-05-23 2004-03-18 Harman Audio Electronic Systems Gmbh Hochtonlautsprecher
US6386315B1 (en) * 2000-07-28 2002-05-14 Awi Licensing Company Flat panel sound radiator and assembly system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2112516B1 (de) * 1971-03-16 1972-10-19 Kurtze Guenther Dipl Phys Prof Richtlautsprecher
EP0720415A2 (fr) * 1994-12-28 1996-07-03 Kabushiki Kaisha Kenwood Composant de haut-parleur, haut-parleur, et procédé de sa fabrication
WO1997009861A1 (fr) * 1995-09-02 1997-03-13 New Transducers Limited Transducteur inertiel de vibrations
WO1998022987A2 (fr) * 1996-11-19 1998-05-28 Mctaggart Stephen I Batterie imprimee a integrer a un article en feuille lamine

Also Published As

Publication number Publication date
DE19843079A1 (de) 2000-03-23
EP0987922A2 (fr) 2000-03-22
EP0987922B1 (fr) 2007-09-12
US6748090B1 (en) 2004-06-08
ATE373400T1 (de) 2007-09-15
DE59914497D1 (de) 2007-10-25

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