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WO2004086811A1 - Corps de haut-parleur - Google Patents

Corps de haut-parleur Download PDF

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Publication number
WO2004086811A1
WO2004086811A1 PCT/EP2004/003271 EP2004003271W WO2004086811A1 WO 2004086811 A1 WO2004086811 A1 WO 2004086811A1 EP 2004003271 W EP2004003271 W EP 2004003271W WO 2004086811 A1 WO2004086811 A1 WO 2004086811A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
loudspeaker
loudspeaker body
body according
surface elements
Prior art date
Application number
PCT/EP2004/003271
Other languages
German (de)
English (en)
Inventor
Oliver Richter
Original Assignee
Otto Richter Project Ii 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
Priority claimed from DE202004003240U external-priority patent/DE202004003240U1/de
Application filed by Otto Richter Project Ii Gmbh filed Critical Otto Richter Project Ii Gmbh
Publication of WO2004086811A1 publication Critical patent/WO2004086811A1/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
    • G09F23/02—Advertising on or in specific articles, e.g. ashtrays, letter-boxes the advertising matter being displayed by the operation of the article
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
    • 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

Definitions

  • the present invention relates to a loudspeaker body, in particular a loudspeaker housing, having at least two preferably planar surface elements, in particular outer wall surfaces.
  • the present invention further relates to a cover or a covering for at least one loudspeaker body, in particular for at least one loudspeaker housing.
  • Loudspeaker bodies or loudspeaker housings generally have the task of fixing an acoustic radiator, which is generally designed as a membrane, and of shading the antiphase components of the sound waves generated by the membrane.
  • loudspeakers are often used for advertising and / or information purposes.
  • the customer's attention is to be increased by the radiated music and / or word information.
  • it is particularly known for advertising purposes to combine structures such as posters and advertising stands with loudspeakers.
  • loudspeaker bodies have a considerable spatial expansion even when not in use and thus a not inconsiderable space requirement arises.
  • This has a particularly disadvantageous effect on loudspeakers with advertising and information stands or structures, which are regularly held in different locations, such as at trade fairs or for promotions should be used and therefore often have to be transported.
  • the spatial expansion of the loudspeaker body or loudspeaker housing makes it difficult to transport the advertising and information stands or superstructures effectively, because space-saving storage, for example in the trunk of a person, is not possible .
  • the use of loudspeakers for advertising and information stands or structures or also for other applications is dispensed with, corresponding information or advertising messages cannot be offered acoustically, at least not through loudspeakers.
  • an acoustic presentation is often desirable.
  • a loudspeaker frame made of paper pulp is known from the publication DE 100 21 257 A1.
  • Such a loudspeaker frame offers the advantage of a relatively low weight, so that this known loudspeaker frame is easy to transport.
  • a disadvantage of this speaker frame is the high space requirement, even when not in use.
  • the document DE 100 00 283 A1 discloses a collapsible packaging with a miniature reproduction device.
  • the miniature playback device can be activated, for example, by touch and, after it has been activated, acoustically reproduces permanently stored information, for example instructions for use.
  • this miniature reproduction device cannot replace the various uses of a loudspeaker.
  • Document EP 1 053 541 A1 a decorative cover for a sound speaker housing described; this decorative cover serves in particular to protect the acoustic radiators of the loudspeaker.
  • the present invention is based on the object of developing a loudspeaker body, in particular a loudspeaker housing, of the type mentioned at the outset in such a way that the disadvantages discussed above do not occur; in particular, the desired loudspeaker body should be particularly space and space-saving when not in use.
  • a folding blank is used to create a spatial body that serves as a loudspeaker housing. Training in the design of the housing
  • a cover serves to set up such a loudspeaker, in which the foldable bottom area of the technology can be arranged, freely, for example in a shop, and to attract the customer's attention through the radiated music and / or through the radiated Word information attracts attention.
  • the custom-fit cover covers the housing, the viewer's attention is drawn away from the loudspeaker technology to the cover, which can either contain advertising information or is simply decorative, so that the viewer is positively attuned and listens to the acoustic signal emitted via the loudspeaker , The user can then determine whether this is an advertising message or music to attune to positive buying behavior.
  • the loudspeaker body according to the present invention is its small space requirement when not in use.
  • the loudspeaker body in a further development essential to the invention has at least two flat surface elements which are flexibly connected and / or connectable, at least one acoustic radiator, for example in the form of a membrane, being arranged and / or arrangeable on at least one flat surface element and at least two peripheral edges form the plane surface elements a plane; the loudspeaker body can be locked and / or locked on a base plate.
  • the two flat surface elements can be brought into a position of use by a user.
  • the loudspeaker body In its position of use, the loudspeaker body has a support surface or a standing surface due to the edge edges forming a plane and also carries an acoustic radiator. As a result, a loudspeaker housing that is stable on a flat surface is formed.
  • the loudspeaker body is locked on a base plate and thus has a stable balance. It is thereby achieved that the loudspeaker body forms a housing for an acoustic radiator in a position of use.
  • loudspeakers based on the N [e] X [t] T [ransducers] technology i.e. surface radiators and molded parts with sound radiation
  • the membrane breaks can be exploited oscillates in countless individual vibrations and does not vibrate as a piston as a whole.
  • the interconnected flat surface elements can be brought into a non-use position due to their flexible connection, for example by folding them over, in which they neither necessarily form a housing capable of acoustic applications nor necessarily carry the acoustic radiator.
  • the individual flat surface elements can be arranged such that they have a very small space requirement, for example by stacking one on top of the other, which corresponds to only a fraction of the space requirement in the use position. This allows the speaker body to be in its non-use position. transport particularly easy.
  • the acoustic radiator is a surface radiator and / or a molded part with sound radiation, which are based on N [e] X [t] T [ransducers] technology.
  • the membrane which is conventional per se, is designed, for example, as a plate made of rigid foam that can be hung swinging freely.
  • NXT panels Almost all materials, for example ceiling cladding, windows, wooden surfaces or the like, can be used as NXT panels or so-called NXT panels.
  • the N [e] X [t] T [ransducers] panel emits sound in the manner of a bipolar radiator both forward and backward, evenly and in phase.
  • Special advantages of the NXT panel are its low weight and its small spatial depth.
  • one or more of the flat surface elements has at least one recess for receiving at least one N [e] X [t] T [ransducers] panel.
  • the loudspeaker body can advantageously also serve to accommodate a conventional loudspeaker chassis.
  • the recess of a surface element corresponds to at least one recess of at least one adjacent or opposite surface element in such a way that, in particular when the loudspeaker body is folded, a cavity for accommodating loudspeaker technology, for example for accommodating at least one NXT -Exciter, is created.
  • the flat surface elements can preferably consist of plastic, paper and / or cardboard.
  • two flat surface elements are preferably connected to one another via at least one folded edge connected.
  • two flat surface elements can also be reversibly connected to one another via push buttons, at least one Velcro fastener and / or at least one adhesive connection.
  • the loudspeaker body has a base plate which corresponds to the cross section of the connected flat surface elements.
  • This base plate forms the lower end of the speaker body and is preferably made of sound wave insulating material.
  • the base plate can have pedestals, which are preferably also made of sound wave insulating material.
  • information and / or advertising instructions can be arranged on at least one flat surface element of the loudspeaker body.
  • This information and / or advertising information is preferably designed as a poster, as a decorative element, as a film and / or as a cover.
  • This embodiment enables the loudspeaker body according to the present invention to be used as an information and / or advertising device which, like an information stand, for example, can deliver both optical and acoustic information to the environment.
  • a cover provided with information and / or advertising preferably corresponds to the shape of the loudspeaker body in its position of use.
  • the loudspeaker bodies known from the prior art do not give the user the option of interchangeably attaching information or an image to the loudspeaker housing without further aids; in advertising and information events in particular, a loudspeaker housing is often used as an information carrier, the information to be displayed can change rapidly.
  • the loudspeaker housing can have a pyramid shape, a cone shape, a cylindrical shape, a box shape or another shape.
  • the cover or the covering according to the present invention expediently has at least one information and / or advertising notice;
  • the cover or cover is printed with pictures, in particular with pictures of products or pop stars, and / or with text messages.
  • the cover or the cover is either formed from one piece or can be assembled by the user himself from several parts.
  • At least one surface element, in particular at least one wall, of the loudspeaker body advantageously acts as an acoustic radiator or as a sound radiator in order to achieve a particularly high sonic quality.
  • the surface element which acts as a sound radiator, is preferably also covered with the cover or with the covering.
  • the surface element is achieved by so-called EXITERs mounted on the inside [the function of exiters or exciters is based on the to amplify existing harmonics (overtones) in the input signal or to generate additional harmonics].
  • An advantageous embodiment of the present invention is, for example, a three-dimensional loudspeaker in which at least one surface element, for example at least one outer wall surface, is excited to vibrate, in particular by means of N [e] X [t] T [ransducers] technology, and thus as a sound generator serves.
  • At least this one surface element is provided with a cover or with a coating, which with the side
  • cover or the cover is so closely connected to the surface element of the loudspeaker that can be excited to vibrate that the cover or the cover itself resonates.
  • the cover or the cover and the surface element are formed from paper, cardboard or from a composite body (aluminum-paper-foam-paper-aluminum). If a composite body is used, another metal can be used instead of the aluminum. A glass fiber composite body can also be used.
  • the cover or the covering is formed from a material that is as small as possible
  • Attenuation in particular an attenuation of less than about three deci- at, caused.
  • An optimal material causes an attenuation of less than about 0.5 decibels.
  • At least one cover, at least one cover or at least one cover is pulled over a three-dimensional loudspeaker housing body which is equipped with conventional technology in the form of one or more loudspeakers.
  • This cover or the cover expediently has at least one corresponding cutout in order not to hinder the sound radiation by means of the at least one loudspeaker.
  • the cover or the cover or the cover is “sucked” over the speaker body, that is to say it fits snugly against the arbitrarily shaped speaker body.
  • the invention is independent of the technology of the loudspeaker.
  • the acoustic radiator in particular a sound transducer, is preferably formed from glass, from plastic, from metal, from paper and / or from composite materials. Both a monolithic structure and a sandwich structure are possible.
  • Figure 1 is a perspective view of a first embodiment of a speaker body according to the present invention.
  • FIG. 2 shows a perspective view of a base plate of the loudspeaker body from FIG. 1;
  • Figure 3 is a perspective view of a second embodiment of a speaker body according to the present invention in the use position.
  • FIG. 4 shows a perspective view of the loudspeaker body from FIG. 3 in a partially folded state
  • FIGS. 3 and 4 shows a perspective illustration of the loudspeaker body from FIGS. 3 and 4 in an almost completely folded-in state
  • FIG. 6 is a side view of a third embodiment of a speaker body according to the present invention.
  • FIG. 7 shows a perspective view of a cover for the loudspeaker body from FIG. 1;
  • FIG. 8 is a perspective view of a cover for the loudspeaker cherkSystem from Fig. 6;
  • FIG. 9 is a perspective view of a cover for the loudspeaker body from FIG. 1;
  • FIG. 10 is a perspective view of a cover for the speaker body of FIG. 6.
  • FIGS. 1 to 10 Identical or similar configurations, elements or features are provided with identical reference numerals in FIGS. 1 to 10.
  • FIG. 1; FIGS. 3 to 5; FIG. 6) - and on both exemplary embodiments of a cover 30 according to the present invention see FIG. 7; FIGS. 6 and 8)
  • Figure 1 shows a first embodiment of a speaker body 10 in a perspective view.
  • the loudspeaker body 10 consists of square and triangular planar surface elements 12 made of cardboard.
  • the flat surface elements 12 are connected to one another via folded edges 16.
  • the flat surface elements 12 can be pivoted relative to one another via these folded edges 16.
  • the loudspeaker Chercher body 10 in contrast to conventional loudspeaker bodies, by the relative mobility of its flat surface elements 12 so deformable or foldable that it takes up a very small volume in a non-use position. This can be done by folding the flat surface elements 12 into one another.
  • the lower marginal edges 14 form a plane E, so that the (opened) loudspeaker body 10 has a secure stand or a stable balance.
  • the loudspeaker body 10 has three recesses 24 for receiving an acoustic radiator, the third recess, which is not visible in FIG. 1 for reasons of perspective, being located on the surface element 12 provided on the left in FIG. 1.
  • the three recesses 24 are arranged at the same height with respect to the plane E.
  • the formation of the receiving volume or cavity in the interior of the speaker body 10 is favored by the two recesses 24 provided on the left or right surface element 12 in the
  • Region of the respective middle folded edge 16 are arranged, specifically measured approximately in mirror or axisymmetric with respect to the respective folded edge 16.
  • the recess 24 assigned to the front surface element 12 in FIG. 1 is also arranged symmetrically with respect to this front surface element 12, it results in connection with the technical feature already mentioned that the three recesses 24 are in relation to the plane E are arranged at the same height, even in the folded state of the loudspeaker body 10, a maximum receiving volume for the loudspeaker technology, which is therefore securely received in the cavity formed by the recesses 24.
  • Such a loudspeaker body 10 can be used very advantageously for promotional events, such as for trade fairs, because due to its small volume (when not in use), this loudspeaker body 10 can be transported and set up without any problems.
  • FIG. 2 shows a perspective illustration of a base plate 18.
  • a base plate 18 can, for example, consist of cardboard, paper or similar materials and also have flat surface elements 12 '. In this way, the base plate 18 can also be folded together, so that there is a small volume. Furthermore, the base plate 18 has an opening 26. This is provided so that electrical cables can be led from the floor area to the acoustic radiator for its power supply.
  • Figure 3 shows a second embodiment of an inventive Loudspeaker body 10 in its position of use, the loudspeaker body 10 consisting of six flat surface elements 12.
  • An N [e] X [tjT [ransducers] panel 22 is arranged in one of the flat surface elements 12.
  • the flat surface elements 12 are unfolded by means of the folded edge 16 in such a way that the loudspeaker body 10 assumes an essentially cuboid shape.
  • the lower edge 14 forms the footprint.
  • the loudspeaker body 10 can now be folded over the folded edges 16 shown as a dashed line.
  • the dimensions of the opposite flat surface elements 12 correspond to one another.
  • the space requirement of the speaker body 10 is reduced by folding over the folded edges 16 (shown as a dashed line).
  • the flat surface elements 10 can be completely folded into each other, whereby the loudspeaker body 10 receives a very space-saving design in its non-use position.
  • the loudspeaker body 10 can be used, for example, in a particularly advantageous manner for trade fairs or for promotional purposes as an advertising stand or as an advertising medium.
  • the loudspeaker body 10 according to the present invention as shown in FIG. 5, is initially transported in a non-use position (transport position) and can be easily stowed or handled due to its small space requirement.
  • the loudspeaker body 10 In order to be able to use the loudspeaker body 10 for advertising purposes, it is unfolded, as shown in FIG. 4, until it reaches the position of use corresponding to FIG. 3.
  • the one completely unfolded Loudspeaker body 10 can be placed securely over the lower edge edges 14 and can now emit acoustic and optical advertising messages to its surroundings.
  • FIG. 6 a third embodiment of a speaker body 10 is shown in side view.
  • the acoustic radiator 40 of this loudspeaker body 10 is completely formed by one of the surface elements 12, namely by one of the flat outer wall surfaces.
  • This outer wall surface is detachably connected to a cover 30 (cf. FIG. 6 and FIG. 8), the dimensions of the cover 30 corresponding to the outer dimensions of the loudspeaker body 10 in its position of use.
  • the outer wall surface 12 When using the loudspeaker, the outer wall surface 12 is excited to vibrate by means of N [e] X [t] T [ransducers] technology and thus serves as a sound generator.
  • the outer wall surface 12 is so closely connected to the cover 30 that the cover 30 is also excited to vibrate and resonates with the flat outer wall surface 12. This is visualized in FIG. 6 by an oscillating sign above the cover 30.
  • the cover 30 and the outer wall surface 12 are formed from the same material, namely from a material which causes a sound attenuation of less than three d [ezi] B [el].
  • a composite body made of foam, paper and / or aluminum or a glass fiber composite body can be used for the outer wall surface 12 and the cover 30.
  • N [e] X [t] T [ransducers] -based sound transducers are listed as examples, whereby the list of materials is generally divided into five categories. can be shared, namely paper, plastic, glass, metal and composite material. Both a monolithic structure and a sandwich structure are possible; preferred material thicknesses are two millimeters, three millimeters, five millimeters, six millimeters or ten millimeters.
  • Preferred materials for the outer wall surface 12 and for the cover 30 can be, for example:
  • the cover 30 can be provided with advertising or other information and can be designed as a poster or as a decorative element, for example as a decorative surface.
  • FIG. 7 shows a one-piece cover 30 for the loudspeaker body 10 from FIG. 1.
  • the cover has a recess 38 which surrounds the acoustic radiator 40.
  • FIG. 9 shows a cover 20 which can be pulled over a loudspeaker body 10, for example, as shown in FIG. 1.
  • the inner dimensions of the cover 20 correspond to the outer dimensions of the loudspeaker body 10 in its position of use (corresponding to FIG. 1).
  • This cover 20 has a recess 28 which surrounds the acoustic radiator 40 and covers all four lateral surface elements 12, namely all four outer wall surfaces, of the loudspeaker body 10 from FIG.
  • FIG. 10 shows a cover 20 for the loudspeaker body 10 from FIG. 6, namely a cover which is pulled over a loudspeaker housing body.
  • This cover 20 differs from the cover 30 (see FIG. 6 and FIG. 8) in that it covers all the outer wall surfaces 12 of the loudspeaker body 10 from FIG. 6.
  • loudspeaker bodies in particular loudspeaker housings 12, 12 'surface element, in particular flat surface element

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

La présente invention concerne un corps de haut-parleur (10), notamment un boîtier de haut-parleur, présentant au moins deux éléments de surface (12) qui sont de préférence plans, notamment des surfaces de paroi extérieure. L'objectif de la présente invention est de développer un tel corps de haut-parleur de façon à éviter les inconvénients posés par l'état de la technique et de façon que le corps de haut-parleur souhaité présente une configuration compacte lorsqu'il n'est pas utilisé. Cet objectif est atteint en ce qu'au moins un émetteur acoustique (40) est associé et/ou peut être associé à au moins un des éléments de surface (12) et se trouve et/ou peut se trouver notamment sur au moins une zone ou une partie de cet élément de surface (12) et/ou est formé par au moins un des éléments de surface (12) et/ou en ce que le corps de haut-parleur est pourvu d'un revêtement (30) ou d'une enveloppe (20) qui présente au moins une indication informative et/ou publicitaire, notamment sous forme de poster ou d'élément décoratif, par exemple une surface de décoration, et/ou en ce que les dimensions internes du revêtement (30) et/ou de l'enveloppe (20) correspondent aux dimensions externes du corps de haut-parleur (10) dans sa position d'utilisation.
PCT/EP2004/003271 2003-03-28 2004-03-26 Corps de haut-parleur WO2004086811A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20305152 2003-03-28
DE20305152.1 2003-03-28
DE202004003240.6 2004-02-27
DE202004003240U DE202004003240U1 (de) 2003-03-28 2004-02-27 Lautsprecherkörper

Publications (1)

Publication Number Publication Date
WO2004086811A1 true WO2004086811A1 (fr) 2004-10-07

Family

ID=33099537

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/003271 WO2004086811A1 (fr) 2003-03-28 2004-03-26 Corps de haut-parleur

Country Status (1)

Country Link
WO (1) WO2004086811A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008077535A1 (fr) * 2006-12-21 2008-07-03 Xounts Ag Agencement de corps acoustiques fonctionnant par vibrations

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1582183A (en) * 1978-05-24 1980-12-31 Walker R Construction and transport of loudspeaker cabinets
WO1999046927A2 (fr) * 1998-03-11 1999-09-16 Nct Group, Inc. Procede et appareil de transport d'informations audiovisuelles
DE10000283A1 (de) * 1999-10-11 2001-07-12 Dominic Wilhelm Jung Verpackung
WO2001054454A2 (fr) * 2000-01-20 2001-07-26 Amina Technologies Limited Appareil d'affichage
US20020159610A1 (en) * 2001-04-05 2002-10-31 New Transducers Limited Loudspeaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1582183A (en) * 1978-05-24 1980-12-31 Walker R Construction and transport of loudspeaker cabinets
WO1999046927A2 (fr) * 1998-03-11 1999-09-16 Nct Group, Inc. Procede et appareil de transport d'informations audiovisuelles
DE10000283A1 (de) * 1999-10-11 2001-07-12 Dominic Wilhelm Jung Verpackung
WO2001054454A2 (fr) * 2000-01-20 2001-07-26 Amina Technologies Limited Appareil d'affichage
US20020159610A1 (en) * 2001-04-05 2002-10-31 New Transducers Limited Loudspeaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008077535A1 (fr) * 2006-12-21 2008-07-03 Xounts Ag Agencement de corps acoustiques fonctionnant par vibrations

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