EP1085780A2 - Porte - Google Patents

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Publication number
EP1085780A2
EP1085780A2 EP00117412A EP00117412A EP1085780A2 EP 1085780 A2 EP1085780 A2 EP 1085780A2 EP 00117412 A EP00117412 A EP 00117412A EP 00117412 A EP00117412 A EP 00117412A EP 1085780 A2 EP1085780 A2 EP 1085780A2
Authority
EP
European Patent Office
Prior art keywords
door
door according
cover sheet
door leaf
rear cover
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Withdrawn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
EP00117412A
Other languages
German (de)
English (en)
Other versions
EP1085780A3 (fr
Inventor
Wolfgang Prof. Dr.-Ing. Bachmann
Gerhard Dr.-Ing. Krump
Hans-Jürgen Dipl.-Phys. Regl
Andreas Dipl.-Ing.(FH) 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 Audio Electronic 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 EP1085780A2 publication Critical patent/EP1085780A2/fr
Publication of EP1085780A3 publication Critical patent/EP1085780A3/fr
Withdrawn legal-status Critical Current

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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
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H04R5/023—Spatial or constructional arrangements of loudspeakers in a chair, pillow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles

Definitions

  • the invention relates to a door consisting of a frame and a hinged door leaf in the frame, the at least one front and one back cover having. Such doors are widely used.
  • a bass loudspeaker is described in US Pat. No. 3,247,925.
  • An electromagnet is arranged on the bottom of a cuboid housing, on which rests a flat first membrane attached to the housing like an intermediate ceiling.
  • the cover of the housing forms a second flat membrane, which is mechanically connected to the flat first membrane for transmitting sound waves by means of a column composed of several honeycomb columns.
  • a motor vehicle door is known from DE 196 54 956 A1, in the electrical devices can be installed.
  • an electric drive for adjustment in the motor vehicle door of the outside mirror an electric drive for Raise and lower the window and a speaker for Sound radiation may be provided.
  • To the electrical devices to supply with electrical current and by means of electrical To be able to control control signals are on the door lock of the motor vehicle door electrical contacts arranged when closed Door are connected to electrical contacts, which engages in a form-fitting manner with the door lock provided on the body arranged closing element are.
  • the invention has for its object to provide a door with which a safe sound system for a room without additional, space-consuming speakers is possible.
  • a Loudspeaker of the door wing itself which is a stiff, lightweight component with the ability to be fed Maintain vibrational energy and through bending waves reproduce in at least one effective area that is transverse runs to thickness to resonance mode vibration components to be distributed over the at least one surface with predetermined, preferred places or locations within the area for Converter.
  • the converter or converters are whole and exclusive attached to the component at one of the locations or locations in order to vibrate the component to resonate it to let kick, creating an acoustic radiator which provides an acoustic output signal when in Resonance resonates.
  • the stiff, light component contains a front and / or rear cover sheet of the door leaf.
  • the or the transducers are arranged between the cover sheets.
  • This arrangement makes it possible to have a door with a loudspeaker function to create the opposite of an ordinary door no additional space is needed, and that able is one or more rooms that refer to this as a speaker Connect the acting door, securely and comprehensively sonicate. Thus additional speakers prove to be or speakers in this through the door with speakers inspected space as not required.
  • the Signal supply via an electrical connection via the Hinge ensured. It is possible to use the speaker function maintain the door leaf at every opening angle, because a secure connection from the signal source over the hinge to the transducer provided in the door wing given is. This is based on the usual arrangement, where the signal source, for example the stereo, with amplifier located outside the door.
  • the signal supply via corresponding contacts on the door leaf and the frame ensured.
  • multiple drivers are preferably electrodynamic and / or piezoelectric drivers, as transducers for the drive of the stiff, light component with the front one and / or rear cover sheet provided.
  • the converter is possible through an optimized arrangement the transducer on the component as well as through the choice of different types Converter to an optimized acoustic radiator create the very good over a wide frequency range has acoustic playback properties.
  • the various transducers with the electrical acoustic signal applied after this by means of a crossover, between the cover sheets inside the door is arranged, frequency-specifically divided.
  • an optimized signal supply and interpretation of the Converter and the electrical wiring of the converter enables.
  • a particularly preferred embodiment of the invention are between the cover sheets with the two components, which individually or collectively stimulated to multimodal resonances are provided, resilient, damping support elements to a stiffening of the door wing or the light Enable components against each other and secondly a transmission the vibration of one component with the front Cover sheet e.g. on the other component with the back cover prevent.
  • This is a decoupling of the front and the rear cover sheets or the light components.
  • a front one and a back cover it is possible to get one Room that is separated from another room by the door is to sound with one type of music while the other Room with a different type of audio signal can be. According to the invention, this sound separation is Maintaining adequate door stability in particular Given dimensions.
  • the front and back cover sheets with an acoustic sandwich core preferably from a Nomex honeycomb or aluminum honeycomb or from Rigid foam connected and together form a stiff, light Component that shows the ability to multimode resonance and is also referred to as an acoustic sandwich.
  • the acoustic sandwich core is preferred with one or more recesses provided which have one or more transducers, which the component with the front and rear cover sheets and stimulate the acoustic sandwich core to bend and thus a sound system in the rooms that connect to the door, enable.
  • it proves to be a loudspeaker acting door leaves as particularly stiff with simpler and durable construction. Even so, this door leaf is light, because the acoustic sandwich core is extremely small Density is.
  • Electrodynamic inertial vibration drivers are preferred as transducers used that directly the component too excite multimodal vibrations and thereby the component to make acoustic spotlights. These inertial vibration drivers prove to be particularly suitable for such speakers.
  • the door acting as a loudspeaker has one or more Bass reflex openings on.
  • the bass reflex openings are preferred in the door wing in the area of the converter or the Electronic components arranged to cool them Components through an air exchange through the bass reflex openings given is.
  • This enables the components of the Speaker, which is a special when operating the speaker Are subject to warming, sure to cool what their lifespan significantly increased and their susceptibility considerably decreased.
  • it is with such Bass reflex opening possible not only crossovers, but also to accommodate active components such as amplifier stages in the door leaf, which is especially the case when arranging multiple converters several bass reflex openings in a particularly advantageous manner is possible.
  • the front or rear cover sheets with the stiff, lightweight component has a clamping device that enables the stiff, light component purposefully under tension to move, which reduces the acoustic properties of the stiff, light component can be changed and improved.
  • the clamping device encloses the light component and transfers the voltage from the frame of the door leaf to the relevant one Cover sheets on the light component.
  • the proposals according to the invention are not only suitable for Room doors, but also partly for cabinet doors which of the door leaves not in a frame, but in the body a piece of furniture is pivotally mounted.
  • Fig. 1 is a partially sectioned representation a section of a door wing 1 acting as a loudspeaker shown.
  • the door leaf 1 has a frame 2 with a front and back cover sheets 3 and 4.
  • the frame 2 and that front and rear cover sheets 3 and 4 delimit an interior space 6 of the door leaf 1.
  • In the interior 6 there is an acoustic sandwich core 5 made of rigid foam, which extends from the front Cover sheet 3 extends to the rear cover sheet 4.
  • the front one Cover sheet 3, the acoustic sandwich core 5 and the rear one Cover sheet 4 form a stiff, lightweight component that is suitable is to be excited to bending vibrations in such a way that it acts as a multimodal resonance radiator and an acoustic one Output signal delivers when it resonates.
  • the acoustic sandwich core 5 has a recess 12 in which a transducer 8 is arranged, which when excited by an electrical acoustic signal with the acoustic sandwich core 5 the cover sheets 3 and 4 on this to bending vibrations stimulates.
  • the converter 8 is as electrodynamic Inertial vibration driver trained.
  • the front cover page 3 points between the acoustic sandwich core 5 and the frame 2 a tensioning device 10 consisting of a membrane, which the front cover sheet 3 in the area of the acoustic sandwich core 5 so under tension that an advantageous acoustic training is given.
  • both the front cover sheet 3 and the rear cover sheet 4 Radiated sound.
  • this door leaf 1 enables one simultaneous sound reinforcement of premises to his two Pages.
  • the acoustic signals generated by the transducer 8 are with this arrangement identical on both sides of the door leaf.
  • This type of door wing acts as a loudspeaker proved to be particularly suitable for use in schools, Museums, train stations and similar buildings where a variety of doors is present at the same time a variety of rooms with uniform announcements or other acoustic Signals should be applied and as simple as possible and robust in the sense of the invention acting as a loudspeaker Door panels should be used.
  • a door leaf 1 is shown, the front Cover sheet 3 is connected to an acoustic sandwich core 5, which is arranged in the interior 6, but the rear cover sheet 4 not touched.
  • a transducer 8 which as an electrodynamic Inertial vibration driver is formed, as well a resilient, damping support element 7 is arranged.
  • Means of the transducer 8 becomes the lightweight component that forms the acoustic sandwich core 5 and comprises a part of the front cover sheet 3, excited to bending vibrations that this lightweight component too a multimode resonance radiator.
  • the frame 2 of the door leaf 1 has a channel that as Bass reflex opening 9 is formed. About this bass reflex opening 9, the interior 6 of the door 1 is aerated or vented. This enables the converter 8 to drive the light component generated heat via the bass reflex opening 9 dissipate. This prevents the speaker forming components of the door wing overheating experienced what the longevity of the door speaker increased in particular and its good acoustic Properties over a longer period even under extreme conditions are preserved.
  • Fig. 3 is a door speaker designed as a double speaker 1 shown.
  • This door leaf 1 is both front cover sheet 3 and the rear cover sheet 4 each connected to an acoustic sandwich core 5, whereby a front Acoustic sandwich 3a and a rear acoustic sandwich 4a formed become.
  • These acoustic sandwiches 3a, 4a are separate from one another spaced and form the lightweight component. Between them are two electrodynamic transducers 8, of which one each drives an acoustic sandwich 3a, 4a.
  • These two Transducers 8 are arranged back to back and with each other via a resilient, damping support element 7 connected. This support element 7 enables vibration decoupling the transducer 8 and the acoustic sandwiches connected to it 3a, 4a.
  • the rear cover sheet 4 provided with a clamping device 10, which also is suitable, the area of the rear cover sheet 4 under Hold tension with the acoustic sandwich core 5 tight is connected and which forms the acoustic sandwich 4a.
  • the door leaf 1 designed in this way shown in FIG. 3 allows two rooms separated by the door to be charged with different acoustic signals. This allows a very universal and diverse use this door leaf 1, especially because of the special training the bass reflex opening 9 an effective heat dissipation in conjunction with an advantageous improvement in Acoustics of the speaker thus formed is given.
  • Transducers 8 are supplied with electrical signals, the door elements not shown here, namely the Frame, the hinges or hinges, the frame 2, the interior 6 and possibly the acoustic sandwich core 5 to the transducer 8 are performed.
  • the door elements not shown here, namely the Frame, the hinges or hinges, the frame 2, the interior 6 and possibly the acoustic sandwich core 5 to the transducer 8 are performed.
  • one side of the Door wing two or more speaker systems with their own Drivers, acoustic sandwiches and, if necessary, cover sheet segments be assigned so that the door wing at the same time Speakers for different frequency ranges, for example Tweeter, image tone and bass range.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
EP00117412A 1999-09-20 2000-08-11 Porte Withdrawn EP1085780A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944802 1999-09-20
DE19944802A DE19944802C2 (de) 1999-09-20 1999-09-20 Tür

Publications (2)

Publication Number Publication Date
EP1085780A2 true EP1085780A2 (fr) 2001-03-21
EP1085780A3 EP1085780A3 (fr) 2005-03-30

Family

ID=7922496

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00117412A Withdrawn EP1085780A3 (fr) 1999-09-20 2000-08-11 Porte

Country Status (3)

Country Link
US (1) US7088836B1 (fr)
EP (1) EP1085780A3 (fr)
DE (1) DE19944802C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2477417A1 (fr) * 2011-01-14 2012-07-18 Mosel Türen Vertriebsges.mbH Panneau de porte doté d'un système audio intégré

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10001410C2 (de) * 2000-01-14 2001-12-06 Harman Audio Electronic Sys Flachlautsprecheranordnung
DE10246585B4 (de) * 2002-10-05 2010-02-11 Visiocorp Sound Gmbh Innenrückblickspiegel für Kraftfahrzeuge
US20060013417A1 (en) * 2004-07-16 2006-01-19 Intier Automotive Inc. Acoustical panel assembly
US7817810B2 (en) * 2005-08-03 2010-10-19 The Boeing Company Flat panel loudspeaker system
EP1988740A1 (fr) * 2007-05-03 2008-11-05 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Générateur de sons
US8340327B2 (en) * 2009-06-11 2012-12-25 Magna International Inc. Home theater
US8290195B2 (en) 2010-03-31 2012-10-16 Bose Corporation Acoustic radiation pattern adjusting
NL1038214C2 (nl) * 2010-09-01 2012-03-05 Verburg Audio B V Meubel met geintegreerde luidspreker en werkwijzen voor het integreren van een luidspreker in een m eubel.
DE102011009650A1 (de) * 2011-01-27 2012-08-02 Pursonic Gmbh Lautsprechervorrichtung
US9154862B2 (en) 2013-06-27 2015-10-06 The Boeing Company Flat panel loudspeaker system
US9014413B2 (en) 2013-08-21 2015-04-21 The Boeing Company Dual coil loudspeaker system
US9326053B2 (en) 2014-03-10 2016-04-26 Ford Global Technologies, Llc Flat panel speaker assembly integrated with vehicle trim
US9838791B2 (en) 2015-02-23 2017-12-05 Kenneth Wargon Portable sound generator apparatus
CA2976800C (fr) 2015-02-23 2024-01-02 Kenneth Wargon Dispositif generateur de sons d'avertissement transporte a la main
US9936272B1 (en) 2016-09-30 2018-04-03 The Boeing Company Apparatuses and methods for acoustically exciting a face panel of a stowage bin inside a vehicle
US11546680B2 (en) * 2019-08-23 2023-01-03 F. Bruce Thigpen Flat plate transducer
US10951966B1 (en) * 2019-08-23 2021-03-16 F. Bruce Thigpen Flat plate transducer
US11540059B2 (en) 2021-05-28 2022-12-27 Jvis-Usa, Llc Vibrating panel assembly for radiating sound into a passenger compartment of a vehicle

Citations (2)

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Publication number Priority date Publication date Assignee Title
US3247925A (en) 1962-03-08 1966-04-26 Lord Corp Loudspeaker
DE19654956A1 (de) 1996-06-04 1998-03-12 Brose Fahrzeugteile Kraftfahrzeugtür

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EP0054945B1 (fr) * 1980-12-19 1985-10-30 Nissan Motor Co., Ltd. Haut-parleur pour un système audio pour véhicule automobile
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Publication number Priority date Publication date Assignee Title
US3247925A (en) 1962-03-08 1966-04-26 Lord Corp Loudspeaker
DE19654956A1 (de) 1996-06-04 1998-03-12 Brose Fahrzeugteile Kraftfahrzeugtür

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2477417A1 (fr) * 2011-01-14 2012-07-18 Mosel Türen Vertriebsges.mbH Panneau de porte doté d'un système audio intégré

Also Published As

Publication number Publication date
US7088836B1 (en) 2006-08-08
DE19944802C2 (de) 2003-08-28
DE19944802A1 (de) 2001-04-12
EP1085780A3 (fr) 2005-03-30

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