EP1120994A3 - Flat loudspeaker arrangement - Google Patents

Flat loudspeaker arrangement Download PDF

Info

Publication number
EP1120994A3
EP1120994A3 EP00124962A EP00124962A EP1120994A3 EP 1120994 A3 EP1120994 A3 EP 1120994A3 EP 00124962 A EP00124962 A EP 00124962A EP 00124962 A EP00124962 A EP 00124962A EP 1120994 A3 EP1120994 A3 EP 1120994A3
Authority
EP
European Patent Office
Prior art keywords
loudspeaker arrangement
flat loudspeaker
flat
loudspeaker
works
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
EP00124962A
Other languages
German (de)
French (fr)
Other versions
EP1120994B1 (en
EP1120994A2 (en
Inventor
Wolfgang Dr. Bachmann
Gerhard Dr. Krump
Hans-Jürgen Regl
Andreas Ziganki
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 EP1120994A2 publication Critical patent/EP1120994A2/en
Publication of EP1120994A3 publication Critical patent/EP1120994A3/en
Application granted granted Critical
Publication of EP1120994B1 publication Critical patent/EP1120994B1/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • H04R7/045—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; 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
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

The flat loudspeaker arrangement comprises several loudspeakers arranged seamlessly. Each loudspeaker comprising a driver (18) for oscillation generation, sound disk (13) and support stand (14), works on multi-resonance flexible shaft principle.
EP00124962A 2000-01-14 2000-11-16 Flat loudspeaker arrangement Expired - Lifetime EP1120994B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10001410A DE10001410C2 (en) 2000-01-14 2000-01-14 Flat speaker arrangement
DE10001410 2000-01-14

Publications (3)

Publication Number Publication Date
EP1120994A2 EP1120994A2 (en) 2001-08-01
EP1120994A3 true EP1120994A3 (en) 2006-06-14
EP1120994B1 EP1120994B1 (en) 2009-09-23

Family

ID=7627562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124962A Expired - Lifetime EP1120994B1 (en) 2000-01-14 2000-11-16 Flat loudspeaker arrangement

Country Status (4)

Country Link
US (2) US7062064B2 (en)
EP (1) EP1120994B1 (en)
AT (1) ATE443975T1 (en)
DE (2) DE10001410C2 (en)

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DE19821855A1 (en) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Flat panel loudspeaker
DE19821862A1 (en) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Flat panel loudspeaker
DE19825866A1 (en) 1998-06-10 1999-12-16 Nokia Deutschland Gmbh Record speakers
DE19843079A1 (en) 1998-09-19 2000-03-23 Nokia Deutschland Gmbh Multi-resonance plate
DE10154915B4 (en) * 2001-11-08 2005-02-03 Harman/Becker Automotive Systems Gmbh (Harman Division) Flat loudspeaker arrangement
US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
US20030142814A1 (en) * 2002-01-31 2003-07-31 Roy Kenneth P. Architectural sound enhancement with DTMF control
US20030142833A1 (en) * 2002-01-31 2003-07-31 Roy Kenneth P. Architectural sound enhancement with test tone diagnostics
US6983819B2 (en) * 2002-04-02 2006-01-10 Awi Licensing Company Entertainment sound panels
US20030198339A1 (en) * 2002-04-19 2003-10-23 Roy Kenneth P. Enhanced sound processing system for use with sound radiators
DE10314506B3 (en) * 2003-03-11 2004-12-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Integrated speaker system
EP1602261B1 (en) 2003-03-11 2010-06-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Integrated loudspeaker system
US20050286733A1 (en) * 2004-06-28 2005-12-29 Anthony Grimani Integrated loudspeaker and acoustic treatment system
DE102004048990A1 (en) * 2004-10-04 2006-04-06 Volkswagen Ag Speaker arrangement in a motor vehicle
FR2885760B1 (en) * 2005-05-13 2007-09-28 Bernard Fradin SPEAKER WITHOUT MEMBRANE
WO2007007446A1 (en) * 2005-07-14 2007-01-18 Yamaha Corporation Array speaker system and array microphone system
JP2007116422A (en) * 2005-10-20 2007-05-10 Sony Corp Audio output device and method
DE102006039455A1 (en) * 2006-08-23 2008-03-13 Puren Gmbh Surface loudspeaker device for installation in building wall, has passive filter unit implemented separately from surface diaphragm for positioning of surface diaphragm independently in limited area, and covering adjusting unit
US7856115B2 (en) * 2007-11-30 2010-12-21 Clair Brothers Audio Systems Inc. Optimized moving-coil loudspeaker
US20090255213A1 (en) * 2008-04-11 2009-10-15 Innovida Holdings, Inc. Sandwich panel with closed edge and methods of fabricating
US20090282777A1 (en) * 2008-05-13 2009-11-19 Innovida Factories, Ltd. Angle joint for sandwich panels and method of fabricating same
US20090285441A1 (en) * 2008-05-15 2009-11-19 Community Light & Sound, Inc. Loudspeaker Having a Continuous Molded Diaphragm
US20090307995A1 (en) * 2008-06-13 2009-12-17 Innovida Factories, Ltd. Roof construction joints made of sandwich panels
US8733033B2 (en) 2008-06-27 2014-05-27 Millport Associates, SA Sandwich panel ground anchor and ground preparation for sandwich panel structures
US8782991B2 (en) 2008-07-10 2014-07-22 Millport Associates S.A. Building roof structure having a round corner
US7926226B2 (en) * 2008-07-29 2011-04-19 Green Horizon Manufacturing, LLC Deployable prefabricated structure with an extension structure that is sealable to the prefabricated structure upon deployment from the prefabricated structure
US20100050549A1 (en) * 2008-08-29 2010-03-04 Innovida Factories, Ltd. Joint of parallel sandwich panels
US20100050553A1 (en) * 2008-08-29 2010-03-04 Innovida Factories, Ltd. sandwich panel joint and method of joining sandwich panels
US20100086145A1 (en) * 2008-10-02 2010-04-08 Pt. Hartono Istana Teknologi Thin loudspeaker system with separate contoured passive radiator using transmission line
TWI399987B (en) * 2009-02-13 2013-06-21 Ind Tech Res Inst Multi-directional flat speaker device
TWI469651B (en) * 2010-03-08 2015-01-11 Ind Tech Res Inst Flat speaker apparatus with heat dissipating structure and method for heat dissipation of flat speaker
US8875475B2 (en) 2013-03-14 2014-11-04 Millport Associates S.A. Multiple panel beams and methods
AU2014236257A1 (en) 2013-03-14 2015-10-22 Soundwall Llc Decorative flat panel sound system
US20150195644A1 (en) * 2014-01-09 2015-07-09 Microsoft Corporation Structural element for sound field estimation and production
DE202015101134U1 (en) * 2015-03-06 2016-06-08 LEGIS GbR (vertretungsberechtigter Gesellschafter: Thomas C.O. Schmidt, 10707 Berlin) Acoustic unit with fleece
US10349167B2 (en) 2015-05-18 2019-07-09 Apple Inc. Audio speaker with back volume containing adsorptive material
IT201600111720A1 (en) * 2016-11-08 2018-05-08 Hifiprpo Di Ferracuti Mauro Sound frame with acoustic enhancement device
US10284945B2 (en) * 2016-11-30 2019-05-07 Eugene Julius Christensen Air motion transformer passive radiator for loudspeaker
US10331604B2 (en) * 2017-05-17 2019-06-25 Microchip Technology Incorporated USB host-to-host auto-switching
CN107371107B (en) * 2017-07-28 2021-10-08 苹果公司 Speaker module and electronic equipment
US20210076126A1 (en) * 2017-12-14 2021-03-11 Godfried F. A. Van Rooij Controlled resonance technology
US10476461B2 (en) * 2017-12-20 2019-11-12 Nvf Tech Ltd Active distributed mode actuator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025474A (en) * 1987-09-29 1991-06-18 Matsushita Electric Industrial Co., Ltd. Speaker system with image projection screen
WO1997009842A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Acoustic device
WO1998053638A2 (en) * 1997-05-17 1998-11-26 New Transducers Limited Acoustic apparatus comprising an array of loudspeakers
WO1999012387A1 (en) * 1997-09-04 1999-03-11 New Transducers Limited Loudspeakers
DE19821862A1 (en) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Flat panel loudspeaker

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US3509290A (en) * 1966-05-03 1970-04-28 Nippon Musical Instruments Mfg Flat-plate type loudspeaker with frame mounted drivers
EP0054945B1 (en) * 1980-12-19 1985-10-30 Nissan Motor Co., Ltd. Speaker for automotive vehicle audio system
US4899390A (en) * 1986-09-19 1990-02-06 Matsushita Electric Industrial Co., Ltd. Thin speaker having an enclosure within an open portion and a closed portion
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KR100443204B1 (en) * 1995-09-02 2004-10-26 뉴 트랜스듀서스 리미티드 Inertial vibration transducer
US6003766A (en) * 1995-09-02 1999-12-21 New Transducers Limited Vending machine
US6031926A (en) * 1996-09-02 2000-02-29 New Transducers Limited Panel-form loudspeakers
DE19757098C2 (en) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Suspension for sound reproduction arrangements based on the bending wave principle
DE19757099A1 (en) * 1997-12-20 1999-06-24 Nokia Deutschland Gmbh Contacting for a sound reproduction arrangement based on the bending wave principle
DE19757097B4 (en) * 1997-12-20 2004-04-15 Harman Audio Electronic Systems Gmbh Sound reproduction device
DE19821624A1 (en) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Projection screen with sound radiating segments
DE19821861A1 (en) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Device for dynamically exciting flat panel loudspeaker
DE19821860A1 (en) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Driver for flat panel loudspeaker
DE19821855A1 (en) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Flat panel loudspeaker
DE19825866A1 (en) * 1998-06-10 1999-12-16 Nokia Deutschland Gmbh Record speakers
DE19840375C2 (en) * 1998-09-04 2003-08-28 Harman Audio Electronic Sys baffle
DE19944802C2 (en) * 1999-09-20 2003-08-28 Harman Audio Electronic Sys door
DE19956690A1 (en) * 1999-11-25 2001-07-19 Harman Audio Electronic Sys Public address system
DE10025460B4 (en) * 2000-05-23 2004-03-18 Harman Audio Electronic Systems Gmbh tweeter
US20030147541A1 (en) * 2001-01-26 2003-08-07 Wolfgang Bachmann Flat-panel loudspeaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025474A (en) * 1987-09-29 1991-06-18 Matsushita Electric Industrial Co., Ltd. Speaker system with image projection screen
WO1997009842A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Acoustic device
WO1998053638A2 (en) * 1997-05-17 1998-11-26 New Transducers Limited Acoustic apparatus comprising an array of loudspeakers
WO1999012387A1 (en) * 1997-09-04 1999-03-11 New Transducers Limited Loudspeakers
DE19821862A1 (en) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Flat panel loudspeaker

Also Published As

Publication number Publication date
US7062064B2 (en) 2006-06-13
DE10001410A1 (en) 2001-07-26
EP1120994B1 (en) 2009-09-23
EP1120994A2 (en) 2001-08-01
ATE443975T1 (en) 2009-10-15
DE10001410C2 (en) 2001-12-06
DE50015749D1 (en) 2009-11-05
US20010017927A1 (en) 2001-08-30
US20070025588A1 (en) 2007-02-01

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