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WO2010137997A2 - Module acoustique à panneau plat - Google Patents

Module acoustique à panneau plat Download PDF

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Publication number
WO2010137997A2
WO2010137997A2 PCT/NO2010/000201 NO2010000201W WO2010137997A2 WO 2010137997 A2 WO2010137997 A2 WO 2010137997A2 NO 2010000201 W NO2010000201 W NO 2010000201W WO 2010137997 A2 WO2010137997 A2 WO 2010137997A2
Authority
WO
WIPO (PCT)
Prior art keywords
acoustic
chamber
ambient region
module
construction module
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.)
Ceased
Application number
PCT/NO2010/000201
Other languages
English (en)
Other versions
WO2010137997A3 (fr
Inventor
Robin STØCKERT
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.)
Leiv Eiriksson Nyskapning AS
Original Assignee
Leiv Eiriksson Nyskapning AS
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
Priority claimed from NO20092332A external-priority patent/NO331450B1/no
Application filed by Leiv Eiriksson Nyskapning AS filed Critical Leiv Eiriksson Nyskapning AS
Publication of WO2010137997A2 publication Critical patent/WO2010137997A2/fr
Publication of WO2010137997A3 publication Critical patent/WO2010137997A3/fr
Anticipated expiration legal-status Critical
Ceased 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
    • H04R7/045—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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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

Definitions

  • the present invention relates to acoustic construction modules for use in building construction, vehicle construction and associated installations. Moreover, the present invention concerns methods of conveying at least acoustic information via these acoustic construction modules, for example this acoustic information beneficially includes anti-sound signals for reducing any background noise within the modules, for example arising from ventilation air flows.
  • Buildings are one of the largest capital investments for humans as well as being locations at which considerable energy consumption occurs, for example for heating and lighting. It is important that future buildings are both more energy efficient in operation than contemporary buildings and also require less energy and effort in their construction. Similar considerations pertain to construction of vehicles and similar. Thus, there is a requirement that future buildings should be as energy smart as possible for conserving dwindling energy resources in the face of relentlessly increasing World population. Further requirements for future building also relate to infrastructure, for example provisions of communication networks such as wireless local area networks (LAN) as well as safety features.
  • LAN wireless local area networks
  • US 6215885 B1 discloses a speaker with a ventilation system, where the speaker is provided on a wall behind a plate with slits that allow air and sound to pase through. Thus, the panel does not create the sound, this is done by the speaker.
  • WO2006/123335A2 discloses construction modules for walls, ceilings and floors that has electrical components of various kinds mounted thereupon. One such electrical component may be a sound transducer. Again, the sound is not created or amplified by the construction module itself.
  • WO2004/014102A1 discloses a similar construction module with integrated sound and light elements.
  • the present invention seeks to provide an acoustic construction module which can be used for constructing and operating buildings, transport arrangements and similar in a more cost effective and efficient manner.
  • an acoustic construction module as claimed in appended claim 1 : there is provided an acoustic construction module including at least one transducer for generating acoustic energy when excited by a signal,
  • the at least one transducer is mounted to a panel wall of an acoustic chamber, the panel wall including a configuration of elongate slots providing fluid communication between an interior volume of the chamber and an ambient region outside the chamber, the transducer being operable to cause the panel wall to vibrate and thereby emit acoustic radiation to at least the ambient region outside the chamber.
  • the invention is of advantage in that the modules are capable of forming structural components as well as synergistically providing at least acoustic radiation generation functionality.
  • the acoustic construction module is implemented so that the at least one transducer is mounted substantially centrally onto the panel wall.
  • the acoustic construction module is implemented so that the chamber is provided with a reservoir cavity remote from the panel wall, the reservoir cavity being fluidly couplable to the chamber for enabling a flow of fluid from the reservoir cavity via the chamber and its associated elongate slots to the ambient region. More optionally, the acoustic construction module is implemented so that the chamber is coupled to the reservoir cavity via at least one vent, the at least one vent being adjustably controllable in respect of fluid flow therethrough.
  • the acoustic construction module is constructed as a free standing loudspeaker unit.
  • a loudspeaker arrangement convert in operation an electric drive signal to acoustic radiation (sound), and includes a panel and at least one component cooperating with the panel to define an inner volume, wherein the panel has mounted thereon at least one exciter element for operably causing said panel to flex and generate acoustic radiation from the loudspeaker arrangement, wherein said panel includes one or more groups of one or more apertures/slots, where the inner volume is coupled in fluid communication with an external region to the loudspeaker arrangement via said one or more groups of one or more apertures/slots.
  • the acoustic construction module is implemented to include one or more coupling regions for enabling the module to be coupled to other similar modules for constructing at least one of: structural walls, structural ceilings, structural floors.
  • the acoustic construction module is provided with a curved form to one or more of its panel walls for reducing occurrence of standing waves in operation.
  • the acoustic construction module is implemented so that the panel wall associated with the transducer is fabricated from at least partially light-transmitting material, and the chamber is provided with one or more light sources for illuminating via the chamber the ambient region outside the chamber.
  • the panel wall is implemented as a light emitting source for example implemented as an organic light emitting diode (OLED), for emitting in operation light at least into the ambient region.
  • OLED organic light emitting diode
  • the acoustic construction module is implemented to include at least one electronics unit for providing one or more functions in operation: (a) excitation of the at least one acoustic transducer; (b) sensing of temperature in the ambient region for providing temperature control of the ambient region; (c) sensing motion and/or sound generated within the ambient region for at least one of: implementing an intruder alarm in respect of the ambient region, controlling cooling and/or heating provided to the ambient region, controlling illumination provided to the ambient region in response to the motion; (d) sensing combustion within the ambient region for providing a fire detection function and/or a fire extinguishing function;
  • the acoustic construction module is implemented so that the electronics unit is provided with at least one wireless communication device for at least one of: communicating with other similar modules by wireless, communicating by wireless with a wireless apparatus included with the ambient region. Communicating with other similar modules by wireless is beneficially implemented in a peer-to-peer manner.
  • a method as claimed in appended claim 9 there is provided a method of generating acoustic radiation within an ambient region using at least one acoustic construction module pursuant to the first aspect of the invention.
  • a method as claimed in appended claim 10 there is provided a method of constructing floors and/or walls and/or ceilings using at least one acoustic construction module pursuant to the first aspect of the invention.
  • FIG. 1 is a plan view of a room of a building whose walls and/or floor and/or ceiling are constructed by employing one or more acoustic construction modules pursuant to the present invention
  • FIG. 2 is a perspective illustration of the room of FIG. 1 equipped with acoustic construction modules pursuant to the present invention
  • FIG. 3 is a schematic illustration of a manner of mounting and dismounting an acoustic construction module pursuant to the present invention
  • FIG. 4 is a more detailed schematic illustration of a connection arrangement provided for acoustic construction modules pursuant to the present invention
  • FIG. 5 is a detailed schematic illustration of component parts included in an acoustic construction module pursuant to the present invention.
  • FIG. 6 is an alternative implementation for an acoustic construction module pursuant to the present invention.
  • an underlined number is employed to represent an item over which the underlined number is positioned or an item to which the underlined number is adjacent.
  • a non-underlined number relates to an item identified by a line linking the non- underlined number to the item.
  • the non-underlined number is used to identify a general item at which the arrow is pointing.
  • an electric signal causes a coil to magnetize, and the magnetic field cause a membrane to move, and said movement created waves that we perceive as sound.
  • the conventional membrane is omitted.
  • a panel 150 including one or more groups of one or more slots/apertures 170 therein is used to produce and amplify the sound waves. This occurs when the apertures 170 creates long thin beams of air which acts as resonants separated by small distances. These structures cannot be made without thin slots. Thus the beams defined by said slots are preferably also long and thin.
  • an acoustic module is represented by 10A when adapted for floor use, by 10B when adapted for wall use, and by 1OC when adapted for ceiling use; on account of the modules 10A, 10B, 10C utilizing a generally similar construction, they are also herewith conveniently referred to by 10.
  • the acoustic module 10 is susceptible to being used to construct at least one of structural walls, structural ceiling and structural floors for a room 20 equipped with one of more doors 15 and optionally one or more windows 18.
  • several such modules 10 are beneficially attached to a building frame 30 and its associated interlinking members (not shown) for defining the room 20.
  • modules 10 are each mutually coupled together via one or more coupling regions 40, for example by way of flexible cables and hoses accommodated within rear/side recesses provided in the modules 10.
  • the coupling regions 40 are provided along one or more peripheral edges of the modules 10 implemented to have a geometrical form, for example a rectangular or square form as illustrated, although other forms are possible such as equilaterally triangular, hexagonal and so forth.
  • Panel walls of the modules 10 are optionally of a curved profile to reduce potential occurrence of standing acoustic waves therein.
  • the coupling regions 40 beneficially provide for electrical power connections 50 and coupling of hoses 60 for assisting air flow, for example for conveying heating air into the room 20 or conveying exhaust air from the room 20.
  • each module 10 beneficially includes a back reservoir 100 and a front acoustic chamber 110.
  • a series of air vents 120 connect the back reservoir 100 in communication to the front acoustic chamber 110; the air vents 120 are beneficially provided with vanes 130 coupled to associated actuators 140 for selectively opening and closing the air vents 120 to air flow therethrough.
  • the front acoustic chamber 110 includes a front panel 150 having a piezoelectric transducer 160 mounted substantially at a centre thereof facing into the acoustic chamber 110 as illustrated; the transducer 160 is beneficially attached by adhesive to the front panel 150, or alternatively is clip-mounted.
  • the transducer 160 is implemented as a piezoelectric device, it is possible to employ other types of transducer, for example using electro-magnetic or electrostatic actuation.
  • the transducer 160 is mounted asymmetrically within the front panel 150.
  • the front panel 150 is provided with one or more rows of slots 170 providing air flow 180 between the acoustic chamber 110 and the room 20; other configurations of the slots 170 other than in rows is optionally feasible pursuant to the present invention.
  • Such airflow 180 allows for the transducer 160 to couple acoustically efficiently to the room 20 at a broad range of frequencies as well as allowing for ventilation air flow between the reservoir 100 via the acoustic chamber 110 to and from the room 20.
  • the one or more slots 170 are optionally less than 30 mm wide, preferably 0.05 to 3 mm wide, have a length in a range of 1 cm to 50 cm and have a depth corresponding to a thickness of the front panel 150. Each slot may have a length:width ratio of 2:1 to 500:1, preferably 2:1 to 50:1.
  • the one or more slots 170 are linear, although they optionally have a curved format if desired, for example an "S"-form to provide a pleasing aesthetic appearance to the front panel 150.
  • the slots 170 are of mutually different length and/or width, for example tapered along the length of a group.
  • the slots define beams, and it is advantageous for these to be long, as long slots define elongated beams between them.
  • the heightwidth ratio of the beams themselves is preferably in the area of 1 :2 to 1 :30.
  • the one or more slots 170 are generated by at least one of: cutting into the front panel 150 during its manufacture, moulded into the front panel 150 during its manufacture. Cutting can be achieved by at least one of: laser ablation cutting, mechanical rotary cutting
  • the front panel 150 is beneficially fabricated from a transparent or translucent polymer plastics material, for example Perspex polyacrylate polymer, polycarbonate polymer, polypropylene or polyethylene polymer.
  • the polymer plastics material is at least partially filled, for example glass-filled, to increase its strength and reduce its inflammability.
  • the front panel 150 is beneficially in a range of 0.5 to 40 mm thick, more preferably substantially 5 mm thick.
  • the front panel 150 beneficially has a side length in a range of 10 cm to 200 cm, more preferable in a range of 20 cm to 70 cm, and most preferable substantially 60 cm in square format.
  • the acoustic chamber 110 has a depth (dimension A2 in FIG. 3) in a range of 2 cm to 50 cm, more preferably in a range of 5 cm to 20 cm, and most preferably substantially 10 cm.
  • the reservoir 100 beneficially has a depth (dimension A1 in FIG. 3) in a range of 2 cm to 50 cm, more preferable in a range of 3 cm to 20 cm, and most preferable substantially 5 cm.
  • Dimension A3 in FIG. 3 is preferable less than half a shortest side length of the module 10. However, other dimensions are possible for the module 10 depending upon its intended use.
  • one or more light sources 190 for example high-frequency phosphor discharge tubes, for example as use in contemporary long-life low- energy domestic light bulbs, and/or one or more light emitting diodes (LEDs).
  • the one or more light sources 190 are operable to provide background room illumination within the room 20.
  • the one or more light sources 190 can be varied in light output, for example they are selectively dimmable, as well as varied in light colour, for example blue in the morning, white during daytime, and yellow or red in the evening.
  • Such colour adjustment is beneficially varied by at least one of: manual adjustment by a user, according to a pre-define pattern, in response to time of day, in response to season of year.
  • the one or more light sources 190 are coupled so that their light output varies in response to changing light hues within an image presented on a flat-screen television apparatus mounted within the room 20 to provide an "ambi-light” type effect behind the television apparatus as pioneered by Philips NV in the Netherlands in respect of its television apparatus (see WO2008/081387, "Ambilight Displaying Arrangement", Hoogenstraaten, Philips NV).
  • the modules 10 enable simulated natural light, namely as experienced in an open air environment, to be generated in the room 20 to avoid any sense of claustrophobia. Such a characteristic is especially beneficially for elderly persons who are often considerable house-bound and have difficulty moving and travelling away from their home.
  • the acoustic chamber 110 is also beneficially equipped with a smoke detector 200 and a sprinkler system 210 for at least partially filling or moistening the chamber 110 with water in an event of a fire occurring within the room 20 to reduce a flammability of the module 10 and hence restrict spreading of fire therethrough.
  • the reservoir 100 is fabricated with its walls fabricated from pressed metal sheet, for example galvanized pressed steel sheet.
  • walls 220 of the acoustic chamber 110 are beneficially fabricated from metal sheet, plastics polymer sheet, or wood for example.
  • An electronics unit 250 is provided within each module 10 for accommodating one or more of the aforementioned actuators 140, the light sources 190, the smoke detector 200, the sprinkler system 210.
  • the electronics unit 250 is also coupled to a temperature sensor 260 for sensing a temperature within or near the module 10.
  • the electronics unit 250 further includes a motion detector and/or camera 270 for sensing motion occurring within the room 20.
  • the electronics unit 250 includes therein a local backup source of power 280, for example provided from nickel metal hydride rechargeable cells, to energize the module 10 in an event of mains electrical power failure.
  • the electronics unit 250 is also beneficially provided with a near-field radio (NFR) communication interface 290 for enabling each module 10 to communicate with its neighbouring modules to form a communication network; optionally, the communication network is implemented as a peer-to-peer network which is operable to self-configure and subsequently re-configure if necessary; for example, in an event that certain modules 10 are destroyed when their associated rooms are engulfed in flames, other modules 10 are able to reconfigure to maintain functionality of other modules 10 used for constructing the building.
  • Each module 10 is beneficially identifiable by a unique code in radio communications exchanged between the modules 10 and thereby individually addressable and thus controllable.
  • the near-field radio communication is operable to provide WLAN (wide-bandwidth local area network) functionality, for example for providing wireless Internet connection within the room 20.
  • the interface 290 enables several communication activities to be synergistically supported:
  • the electronics unit 250 beneficially closes the vents 120 to prevent oxygen from reaching the potential or actual fire and optionally actuates the sprinkler system 210; beneficially, in an event of fire, the electronics unit 250 drives the transducer 160 to emit an acoustic warning, for example a siren tone and/or a spoken message to warn persons present within the room 20 to evacuate the room 20.
  • an acoustic warning for example a siren tone and/or a spoken message to warn persons present within the room 20 to evacuate the room 20.
  • the module 10 is beneficially mountable onto and removable from its support by a motion substantially perpendicular to a plane of a wall, ceiling or floor of the room 20 as illustrated in FIG. 3.
  • the connection region 40 is beneficially susceptible to being disengaged when the module is lifted out, for example by way of the connection region 40 being implemented by way of flexible connectors having sufficient slack for a given module 10 to be removed and then disconnected from its surrounding modules 10 by disengaging the flexible connectors 330 as illustrated in FIG. 3.
  • Screw fasteners via holes 320 are beneficially used for securing the modules 10 in respect of their associated frame 30 and its associated support members.
  • a recess 340 is beneficially provided for accommodating the flexible connectors 330 and their associated electrical cables and/or ventilation air hoses and/or water hoses.
  • the modules 10 can be mass produced in preparation for installation in a building nad/or vehicle and mounted by relatively unskilled personnel, thereby reducing building and/or vehicle construction costs. Moreover, the modules 10 can be easy replaced for subsequently upgrading functionality in the room 20.
  • a rear externally-facing region of the reservoir 100 remote from the acoustic chamber 110 can be provided with a layer of thermal insulation 400 for providing enhanced room insulation and corresponding reduced thermal loss in wintertime, and for achieving more effective cooling of the room 20 in summer time, as appropriate.
  • the modules 10 are provided with air filters, for example electrostatic dust collectors, for removing contaminants such a pollen and bacteria, for improving a quality of environment provided in operation in the room 20.
  • the modules 10 are optionally each provided with one or more microphones 350 for enabling the modules 10 to provide a remote monitoring of an infant's room or nursery, for example to hear when a baby is crying and in need of attention.
  • Microphone signals are beneficially conveyed by the modules 10 by near-field radio communication from one module 10 to another, for example in a peer-to-peer manner, before eventually reaching a specified receiving module 10 whereat the sound is reproduced.
  • the receiving module 10 whereat the sound is reproduced is beneficially a region whereat an adult is actively moving and likely to be concerned to hear a child crying and in corresponding need of attention; movement of the adult can e detected by one of the modules 10 to provide automatic tracking as the adult changes position within a building.
  • the modules 10 can optionally be programmed to generate a mood-setting background sound, for example rushing water, bird song and leaves of trees rustling in wind to provide an atmosphere of calm and well-being within the room 20, for example for enticing an infant to sleep; such sounds can be synthesized within the electronics unit 250 from sound data pre- stored in its data memory.
  • a mood-setting background sound for example rushing water, bird song and leaves of trees rustling in wind to provide an atmosphere of calm and well-being within the room 20, for example for enticing an infant to sleep; such sounds can be synthesized within the electronics unit 250 from sound data pre- stored in its data memory.
  • the modules 10 can function as loudspeakers, but due to their construction with slots 170 arranged on the panel 150 the modules 10 are sound absorbent. Thus the modules 10 act as excellent sound insulators. This may be of benefit for many constructions, such as wall, door and ceiling panels for light weight cars.
  • the modules 10 potentially avoid a need for wallpapering or painting walls or otherwise decorating the room 20.
  • a colour hue can be provided as determined by instructions sent by the user to the electronic units 250 of the modules 10.
  • the modules 10 optionally emit mutually different hues of light when in operation as a possible optional manner of operation.
  • the modules 10 emit a mutually similar hue of light when in operation.
  • the modules 10 are operable to emit hues of light which temporally randomly change, or change in a pre-determined manner, for example in response to time of day or in response to a nature of acoustic radiation present in the room
  • the module 400 includes a corresponding panel wall 150 provided with two groups of four rows 430 of slots 170 as illustrated.
  • the panel wall 150 assist to define a corresponding chamber whose one or more side walls 420 are provided apertures 410 for interfacing to apertures of other modules abutting onto the module 400.
  • this now allows for efficient transfer of ventilation from one module 400 to another thereof, but also allows a continuous chamber for a loudspeaker provided by the transducer 160 to be constructed, for example for achieving superlative sound quality reproduction within the room 20.
  • the module 400 is provided with a rear reservoir 110.
  • the apertures 410 can themselves be provided with actuated vents so that the chamber 100 of the module 400 is also synergistically able to function as a reservoir for distributing ventilation air for example.
  • the module 400 is thus capable of being implemented in a more compact manner and using less material in its construction than the module 10, although is not as versatile as the module 10 regarding spatial distribution of ventilation within the room 20.
  • the present invention is described in relation to employing the modules 10 for constructing buildings, they have many alternative applications, for example in simplified form commencing from an acoustic device comprising the transducer 160 and the slots 170 as principal features together with the acoustic chamber 110.
  • the present invention can be used for wall-mounting loudspeakers, for furniture, for sit-in cubicles, for garden furniture, in vehicles such as automobiles and buses, at bus stops, in shops, in aircraft, in ships, in yachts, in trains to mention just a few examples.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Building Environments (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

L'invention porte sur un module de construction acoustique (10) qui comprend au moins un transducteur (160) pour générer de l'énergie acoustique lorsqu'il est excité par un signal. L'au moins un transducteur (160) est monté à une paroi de panneau (150) d'une chambre acoustique (110). La paroi de panneau (150) comprend une configuration de fentes allongées (170) assurant une communication fluide entre un volume intérieur de la chambre (110) et une région ambiante (20) à l'extérieur de la chambre (110). Le transducteur (160) sert à amener la paroi de panneau (150) à vibrer et à ainsi émettre un rayonnement acoustique vers la région ambiante à l'extérieur de la chambre (110). Les modules (10) comprennent facultativement une ou plusieurs régions de couplage (40) pour permettre de coupler le module (10) à d'autres modules similaires (10) pour construire au moins une structure parmi : des murs, des plafonds, des planchers.
PCT/NO2010/000201 2009-05-29 2010-05-31 Module acoustique à panneau plat Ceased WO2010137997A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NO20092126 2009-05-29
NO20092126 2009-05-29
NO20092332A NO331450B1 (no) 2009-06-17 2009-06-17 Høyttaleranordning
NO20092332 2009-06-17

Publications (2)

Publication Number Publication Date
WO2010137997A2 true WO2010137997A2 (fr) 2010-12-02
WO2010137997A3 WO2010137997A3 (fr) 2011-01-13

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PCT/NO2010/000185 Ceased WO2010137988A1 (fr) 2009-05-29 2010-05-20 Agencement de haut-parleur
PCT/NO2010/000201 Ceased WO2010137997A2 (fr) 2009-05-29 2010-05-31 Module acoustique à panneau plat

Family Applications Before (1)

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PCT/NO2010/000185 Ceased WO2010137988A1 (fr) 2009-05-29 2010-05-20 Agencement de haut-parleur

Country Status (2)

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EP (1) EP2436194B1 (fr)
WO (2) WO2010137988A1 (fr)

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CN105264909A (zh) * 2013-03-14 2016-01-20 声墙有限责任公司 装饰性平板音响系统
CN105451107A (zh) * 2015-12-08 2016-03-30 北海爱飞数码科技有限公司 无线平板音响
US12071761B2 (en) * 2017-11-21 2024-08-27 Nitto Denko Corporation Sound reducing system

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CN106303801A (zh) * 2016-09-22 2017-01-04 捷开通讯(深圳)有限公司 外接式扬声组件及音频设备

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WO2004014102A1 (fr) 2002-08-06 2004-02-12 Sheila Kennedy Modules eclairants et insonorisants
WO2006123335A2 (fr) 2005-05-17 2006-11-23 Nervecorp Limited Structures de construction presentant des surfaces architecturales electriquement fonctionnelles
WO2008081387A1 (fr) 2007-01-03 2008-07-10 Koninklijke Philips Electronics N.V. Agencement d'affichage avec lumière ambiante

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CN105264909A (zh) * 2013-03-14 2016-01-20 声墙有限责任公司 装饰性平板音响系统
EP2974357A4 (fr) * 2013-03-14 2016-11-09 Soundwall Llc Système audio d'écran plat décoratif
US9635444B2 (en) 2013-03-14 2017-04-25 Soundwall Llc Decorative flat panel sound system
CN105451107A (zh) * 2015-12-08 2016-03-30 北海爱飞数码科技有限公司 无线平板音响
US12071761B2 (en) * 2017-11-21 2024-08-27 Nitto Denko Corporation Sound reducing system

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WO2010137988A1 (fr) 2010-12-02
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EP2436194A1 (fr) 2012-04-04

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