EP1207716A2 - Molded part for holding the driver of a flat diaphragm loudspeaker - Google Patents

Molded part for holding the driver of a flat diaphragm loudspeaker Download PDF

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Publication number
EP1207716A2
EP1207716A2 EP01125046A EP01125046A EP1207716A2 EP 1207716 A2 EP1207716 A2 EP 1207716A2 EP 01125046 A EP01125046 A EP 01125046A EP 01125046 A EP01125046 A EP 01125046A EP 1207716 A2 EP1207716 A2 EP 1207716A2
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EP
European Patent Office
Prior art keywords
membrane
shaped part
outer ring
ring
part according
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
EP01125046A
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German (de)
French (fr)
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EP1207716B1 (en
EP1207716A3 (en
Inventor
Rolf Janke
Michael Hein
Wilfried Werner
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ELAC Electroacustic GmbH
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ELAC Electroacustic GmbH
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/066—Loudspeakers using the principle of inertia
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • 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 invention relates to a molded part for holding a Exciters for a flat membrane speaker with the features the preamble as it is from DE-OS 28 10 930 is known.
  • WO 00/52961 is a damper for one known electro-dynamic speakers.
  • the coil is now on the sound-emitting surface is fixed, e.g. about a Molded part glued, and the mass of the relative to Coil moving magnet system used to the sound emitting To vibrate the surface.
  • the invention is therefore based on the task Avoid wobble by making the transmission of vibrations on the solenoid unit if possible damping suspension is created.
  • the decoupling of a first is advantageous Area of the molded part, which is used as an adhesive flange for connection with the sound surface, for example a flat speaker panel serves with one for locking one or several magnet systems provided outer ring.
  • This outer ring is in the chosen embodiment by arranged in two levels, not straight, but curved, thin bridge bridges coupled, which, on the one hand, is distributed over the radius between the rings and on the other their spacing at more than a distance from the sound surface for one ensure cylindrical guidance of the magnet system so that Do not transmit wobble to the voice coils become.
  • the assembly of the molded part and the magnet system can be simplified by the fact that inserts to accommodate solder lugs or solder pins on the Support ring provided for the reception of the magnet system become.
  • the molding shown in Fig. 1 consists in essentially of two rings 10, 16, the inner ring 10, the one facing inwards in the figure projecting ring surface 12 an adhesive flange for connection with the sound-emitting membrane, and the is provided for receiving the voice coil, and the outer ring 16, which consists essentially only of a short cylindrical surface exists, and with approaches 18, 20 is provided on the inside, which carry the magnet system.
  • the webs 22 each run parallel in one plane to the vibrating surface so that the magnet system is flexible perpendicular to this level to its own Can use movement and the excitation of the vibrating surface. As in the figure, they can all turn in the same direction (in the figure clockwise outwards) or also such that the bridges of a group run counter to those of the other group.
  • Inner ring In its inner circumference to the - in the picture front, facing away from the sound membrane - the side has Inner ring also ventilation openings 14 that are too lateral areas of the sound surface lying next to the adhesive flange to open. These ventilation openings 14 cool the coil, which is otherwise surrounded by the magnet system.
  • the molding can also be made in 3D lithography, or from can be laser milled with a glass fiber reinforced plastic.
  • a single bridge web 22 has a curved shape of at least two bends facing each other from the straight extension can also stiffer materials are used when longer webs be provided.
  • the connection should be one Web 22 with the inner ring 10 and / or the outer ring 16 at an angle of less than 45 ° to the radius, So initially approximately at right angles with preference over the web width enlarged cross-section by which Vibrational forces that later also when operating the exciter arise to withstand particularly well.
  • the assembly of the molded part and the magnet system are further simplified by the fact that inserts 24 for receiving solder lugs or solder pins on the outer ring 16 for the inclusion of such with the magnet system prefabricated elements are provided.

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

Abstract

The device has an inner ring (10) for holding a coil and for sticking to the sound emitting membrane and an outer ring (16) joined to the inner ring via a number of bridge parts (22) to attach one or more magnet systems. The bridge parts contain a number of bridges in at least two groups and distributed over the circumference. The groups are arranged in different planes at different distances from the sound emitting membranes.

Description

Die Erfindung betrifft ein Formteil zur Halterung eines Exciters für einen Flachmembranlautsprecher mit den Merkmalen des Oberbegriffs, wie er aus der DE-OS 28 10 930 bekannt ist. Aus der WO 00/52961 ist ein Dämpfer für einen elektro-dynamischen Lautsprecher bekannt. The invention relates to a molded part for holding a Exciters for a flat membrane speaker with the features the preamble as it is from DE-OS 28 10 930 is known. WO 00/52961 is a damper for one known electro-dynamic speakers.

Bei elektro-dynamischen Lautsprechern wird die Ablenkung eines stromdurchflossenen Leiters in einem Magnetfeld zur Bewegung einer schallabgebenden Membran genutzt. Dabei wird ein Dauermagnet mit einem ringförmigen Luftspalt versehen, in dem eine Spule schwingt.With electro-dynamic speakers, the distraction of a current-carrying conductor in a magnetic field Movement of a sound-emitting membrane used. there becomes a permanent magnet with an annular air gap provided in which a coil vibrates.

Bei Excitern für Flachlautsprecher wird die Spule nun an die schallabgebende Fläche fest angesetzt, z.B. über ein Formteil verklebt, und die Masse des sich nun relativ zur Spule bewegenden Magnetsystems dazu genutzt, die schallabgebende Fläche in Schwingungen zu versetzen.With exciters for flat speakers, the coil is now on the sound-emitting surface is fixed, e.g. about a Molded part glued, and the mass of the relative to Coil moving magnet system used to the sound emitting To vibrate the surface.

Dabei ergibt sich nun das Problem, daß die Fläche meist fest in Einrichtungen montiert ist, die Schwingungen aus anderen Ursachen ausgesetzt sein können, z.B. bei mobilen Beschallungsanlagen. Die Einheit aus Spule und Magnet kann dabei in Taumelschwingungen geraten, bei denen die Spule an das Magnetsystem anstößt und mechanisch abnutzt. Neben einer nicht mehr korrekt gewährleisteten Übertragung des Schalls hat dies drastische Auswirkungen auf die Lebensdauer und ist daher höchst unerwünscht.The problem now arises that the area is mostly is firmly installed in facilities, the vibrations from may be exposed to other causes, e.g. on mobile Public address systems. The unit consisting of coil and magnet can get into wobble in which the The coil hits the magnet system and wears out mechanically. In addition to a transmission that is no longer correctly guaranteed of sound has a drastic impact on the Lifespan and is therefore highly undesirable.

Daher wird zur Zeit ein Luftspalt so groß gewählt, daß keine mechanischen Berührungen möglich sind. Andererseits ist es aus Gründen der Homogenität des Magnetfeldes und der Dimensionierung des Magnetsystems erwünscht, diesen möglichst klein zu machen.Therefore, an air gap is currently chosen so large that no mechanical contact is possible. on the other hand it is for reasons of homogeneity of the magnetic field and the dimensioning of the magnet system is desirable to make it as small as possible.

Die Erfindung hat sich daher zur Aufgabe gestellt, die Taumelschwingungen zu vermeiden, indem eine die Übertragung von Schwingungen auf die Magnetspuleeinheit möglichst dämpfende Aufhängung geschaffen wird. The invention is therefore based on the task Avoid wobble by making the transmission of vibrations on the solenoid unit if possible damping suspension is created.

Erfindungsgemäß wird die Aufgabe durch ein Formteil mit den Merkmalen des Hauptanspruches gelöst. Die Unteransprüche geben vorteilhafte Ausführungsformen wieder.According to the invention, the object is achieved with a molded part solved the features of the main claim. The subclaims represent advantageous embodiments.

Vorteilhaft ist dabei die Entkopplung eines ersten Bereichs des Formteils, der als Klebeflansch zur Verbindung mit der Schallfläche, beispielsweise einem Flachlautsprecherpaneel dient, mit einem zur Arretierung eines oder mehrerer Magnetsysteme vorgesehenen äußeren Ring.The decoupling of a first is advantageous Area of the molded part, which is used as an adhesive flange for connection with the sound surface, for example a flat speaker panel serves with one for locking one or several magnet systems provided outer ring.

Dieser äußere Ring ist in der gewählten Ausführungsform durch in zwei Ebenen angeordnete, nicht gerade, sondern geschwungen ausgebildete, dünne Brückenstege angekoppelt, die durch ihre zum einen über den Radius verteilte Anordnung zwischen den Ringen und zum anderen ihre Beabstandung in mehr als einem Abstand zur Schallfläche für eine zylindrische Führung des Magnetsystems sorgen, so daß Taumelschwingungen nicht auf die Schwingspulen übertragen werden.This outer ring is in the chosen embodiment by arranged in two levels, not straight, but curved, thin bridge bridges coupled, which, on the one hand, is distributed over the radius between the rings and on the other their spacing at more than a distance from the sound surface for one ensure cylindrical guidance of the magnet system so that Do not transmit wobble to the voice coils become.

Durch ein zusätzliches Dämpfungselement, das innerhalb des Innenrings, wiederum über dünne Stege mit diesem verbunden vorgesehen werden kann, wird die selektive Dämpfungen von Resonanzspitzen der schallabgebenden Biegemembran bewirkt, so daß ohne weiteren Montageaufwand eine Dämpfung gegen den sogenannten "Drumskin-Effekt" bewirkt werden kann. Ansonsten kann es bei Resonanz zu einem unerwünschten, weil höherfrequenten Schwingen der sich innerhalb des verklebten Innenrings befindlichen Membranfläche kommen.With an additional damping element inside of the inner ring, again connected to it via thin webs can be provided, the selective damping of resonance peaks of the sound-emitting bending membrane causes so that without further assembly effort Damping against the so-called "drum skin effect" causes can be. Otherwise it can resonate to one undesirable because of higher frequency swinging of the located inside the glued inner ring Membrane area come.

Schließlich kann die Montage des Formteils und des Magnetsystems noch dadurch vereinfacht werden, daß Einschübe zur Aufnahme von Lötösen oder Lötstiften an dem Aufnahmering für die Aufnahme des Magnetsystems vorgesehen werden.Finally, the assembly of the molded part and the magnet system can be simplified by the fact that inserts to accommodate solder lugs or solder pins on the Support ring provided for the reception of the magnet system become.

Weitere Vorteile und Merkmale der Erfindung ergeben sich aus nachfolgender Beschreibung eines bevorzugten Ausführungsbeispiels anhand der beigefügten Zeichnung. Dabei zeigt:

Fig. 1
eine perspektivische Darstellung des Formteils.
Further advantages and features of the invention result from the following description of a preferred exemplary embodiment with reference to the attached drawing. It shows:
Fig. 1
a perspective view of the molded part.

Das in der Fig. 1 dargestellte Formteil besteht im wesentlichen aus zwei Ringen 10, 16, dem Innenring 10, der an der in der Figur nach hinten weisenden nach innen einkragenden Ringfläche 12 einen Klebeflansch zur Verbindung mit der schallabgebenden Membran aufweist, und der zur Aufnahme der Schwingspule vorgesehen ist, und dem Außenring 16, der im wesentlichen nur aus einer kurzen Zylindermantelfläche besteht, und mit Ansätzen 18, 20 an seiner Innenseite versehen ist, die das Magnetsystem tragen.The molding shown in Fig. 1 consists in essentially of two rings 10, 16, the inner ring 10, the one facing inwards in the figure projecting ring surface 12 an adhesive flange for connection with the sound-emitting membrane, and the is provided for receiving the voice coil, and the outer ring 16, which consists essentially only of a short cylindrical surface exists, and with approaches 18, 20 is provided on the inside, which carry the magnet system.

Diese beiden Ringe 10, 16 sind über Brückenstege 22 verbunden, die in dieser Darstellung in drei Zweiergruppen pro Ebene sich aus einer breiten Wurzel am dem Innenmantel des Außenrings 16 heraus geschwungen zum Außenumfang des Innenrings 19 hin über eine längere Strecke erstrecken, die mit den Ringen 10, 16 im wesentlichen parallel ist.These two rings 10, 16 are connected via bridge webs 22, that in this illustration in three groups of two per level from a broad root on the inner jacket the outer ring 16 swung out to the outer circumference of the inner ring 19 extend over a longer distance, those with the rings 10, 16 essentially parallel is.

Während sechs Stege 22 etwa in der Mitte (in Längserstreckung) des Außenrings 16 entspringen und an der hinteren Außenkante des Innenrings 10 enden, sind weitere sechs Stege versetzt dazu von der vorderen Innenkante des Außenrings 16 zur vorderen Außenkante des Innenrings geführt. Alle zwölf sind, wie ein schraffierter Steg im unteren Bereich der Figur deutlich werden läßt, "S"-förmig geschwungen, um eine rechtwinklige Krafteinleitung in die Ringe zu erhalten, während die annähernd parallel zu den Ringen verlaufenden Bereiche die gute Flexibilität jedes einzelnen Stegs rechtwinklig zur Schwingfläche gewährleisten.During six webs 22 approximately in the middle (in the longitudinal direction) of the outer ring 16 arise and on the rear End of the outer edge of the inner ring 10, are more six webs offset from the front inner edge of the Outer ring 16 led to the front outer edge of the inner ring. All twelve are like a hatched bridge in the lower one Area of the figure can be clearly seen, "S" -shaped swinging to introduce a right angle force into the Get rings while being approximately parallel to the Wrestling areas have good flexibility each guarantee individual webs at right angles to the vibrating surface.

Die Stege 22 verlaufen jeweils in einer Ebene parallel zur Schwingfläche, damit das Magnetsystem ihre Flexibilität rechtwinklig zu dieser Ebene zu seiner eigenen Bewegung und der Anregung der Schwingfläche nutzen kann. Sie können, wie in der Figur alle in dieselben Drehrichtung (in der Figur im Uhrzeigersinn nach außen) oder auch derart, daß die Stege einer Gruppe gegenläufig zu denen der anderen Gruppe ausgerichtet sind.The webs 22 each run parallel in one plane to the vibrating surface so that the magnet system is flexible perpendicular to this level to its own Can use movement and the excitation of the vibrating surface. As in the figure, they can all turn in the same direction (in the figure clockwise outwards) or also such that the bridges of a group run counter to those of the other group.

In seinem Innenumfang zu der - in der Abbildung vorderen, von der Schallmembran weg weisenden - Seite besitzt der Innenring zudem Belüftungsöffnungen 14, die zu seitlich neben dem Klebeflansch liegenden Bereichen der Schallfläche öffnen. Diese Belüftungsöffnungen 14 kühlen die Spule, die ja ansonsten vom Magnetsystem umgeben ist.In its inner circumference to the - in the picture front, facing away from the sound membrane - the side has Inner ring also ventilation openings 14 that are too lateral areas of the sound surface lying next to the adhesive flange to open. These ventilation openings 14 cool the coil, which is otherwise surrounded by the magnet system.

An dem Außenring 16 sind nun drei Hakenzungen 18 zum einschnappenden Eingriff in die an ihm zu befestigenden Magnetsysteme vorgesehen, die von dem Schwingfläche weg weisend, nach innen hakenartige Kanten zur Arretierung eines oder mehrerer Magnetsysteme bieten. Diesen benachbart sind je zwei ebenfalls rechtwinklig zur Ringebene von der Membran wegweisende Zentrierpassungen 20 in Form eines "L" angeordnet, in die das Magnetsystem aufgenommen werden kann, und die dessen Position in Gegenrichtung zu den Hakenzungen 18 definieren. Das lange Ende des "L" ist dabei parallel zu den Hakenzungen mit einem kleinen Abstand zu diesen ausgerichtet und ragt ein wenig über die in der Zeichnung vordere von der Schwingfläche wegweisenden Kante des des Außenrings heraus. Die kurzen Enden des "L" weisen zum Innenring und halten das Magnetsystem hinter diesem.On the outer ring 16 are now three hook tongues 18 for snapping Intervention in the magnet systems to be attached to it provided that away from the vibrating surface pointing, hook-like edges on the inside for locking offer one or more magnet systems. Neighboring this are two each perpendicular to the ring plane centering fits 20 pointing away from the membrane an "L" arranged in which the magnet system is added can, and its position in the opposite direction define the hook tongues 18. The long end of the "L" is parallel to the hook tongues with a small distance aligned to these and protrudes a little over the in the drawing the front pointing away from the vibrating surface Edge of the outer ring. The short ends of the "L" point to the inner ring and keep the magnet system behind this.

Zwischen den drei Gruppen aus einer Hakenzunge 18 und den direkt benachbarten Zentierpassungen 20 befinden sich jeweils vier Brückenstege 22, je zwei einander parallele in zwei Ebenen von der Schallfläche beabstandet.Between the three groups of a hook tongue 18 and the directly adjacent centering fits 20 are located in each case four bridges 22, two parallel to each other in spaced two levels from the record.

Während in den Zeichnungen die Brückenstege 22 in zwei Gruppen jeweils wiederum dreier Zweiergruppen über den Umfang verteilt sind, und die beiden Gruppen in zwei unterschiedlichen Abständen zur schallabgebenden Membran angeordnet sind, ist die Vorsehung von beliebig vielen Abständen denkbar, und nur durch das Herstellungsverfahren begrenzt.While in the drawings the bridge webs 22 in two Groups of three groups of two each over the Scope are distributed, and the two groups in two different Distances to the sound-emitting membrane are arranged is the providence of any number Distances conceivable, and only through the manufacturing process limited.

Um die Kosten für Spritzguß zu ersparen, kann das Formteil auch in 3D-Lithographie hergestellt werden, oder aus einem Glasfaser-verstärkten Kunststoff lasergefräst werden.To save the cost of injection molding, the molding can also be made in 3D lithography, or from can be laser milled with a glass fiber reinforced plastic.

Da ein einzelner Brückensteg 22 eine geschwungene Form von wenigstens zwei gegeneinander gerichteten Biegungen aus der geraden Erstreckung heraus aufweist, können auch steifere Materialien eingesetzt werden, wenn längere Stege vorgesehen werden. Dabei sollte die Verbindung eines Stegs 22 mit dem Innenring 10 und/oder dem Außenring 16 mit einem Winkel von weniger als 45° zum Radius erfolgen, also zunächst annähernd rechtwinklig mit bevorzugt gegenüber der Stegbreite vergrößertem Querschnitt, um den Schwingkräften, die später auch beim Betrieb des Exciters entstehen, besonders gut zu widerstehen. Since a single bridge web 22 has a curved shape of at least two bends facing each other from the straight extension can also stiffer materials are used when longer webs be provided. The connection should be one Web 22 with the inner ring 10 and / or the outer ring 16 at an angle of less than 45 ° to the radius, So initially approximately at right angles with preference over the web width enlarged cross-section by which Vibrational forces that later also when operating the exciter arise to withstand particularly well.

Schließlich ist noch innerhalb des Innenrings eine Dämpfungsscheibe 26 schraffiert hervorgehoben, die die zur Dämpfung des innerhalb der Klebfläche 12 befindlichen Schwingflächenabschnitts notwendige Masse zentriert wie in der Zeichnung ggf. aber auch azentrisch am gewünschten Ort anordnet. Diese Masse 26 kann verklebt werden, kann aber auch lediglich durch die sie haltenden Stege am Ort gehalten werden. Zusätzliches Filzmaterial kann zwischen sie und die Schwingfläche gelegt werden, oder es können für besondere Schwingflächen noch zusätzliche Gewichte an der Rückseite in - nicht dargestellte - Passungen eingesetzt werden.Finally, there is a damping disc inside the inner ring 26 hatched highlighted, those for Damping that located within the adhesive surface 12 Center of vibration area necessary mass such as in the drawing, if necessary, also eccentrically at the desired one Orders location. This mass 26 can be glued but also only by the webs holding them in place being held. Additional felt material can be between it and the vibrating surface can be placed, or it can additional weights for special vibrating surfaces the back in - not shown - fits become.

Ferner kann die Montage des Formteils und des Magnetsystems noch dadurch vereinfacht werden, daß Einschübe 24 zur Aufnahme von Lötösen oder Lötstiften an dem Außenring 16 für die Aufnahme solcher mit dem Magnetsystem vorgefertigter Elemente vorgesehen sind.Furthermore, the assembly of the molded part and the magnet system are further simplified by the fact that inserts 24 for receiving solder lugs or solder pins on the outer ring 16 for the inclusion of such with the magnet system prefabricated elements are provided.

Schließlich können in einer weiter bevorzugten Ausführungsform noch weitere Ösen zur Halterung beispielsweise von Spiralfederelementen vorgesehen werden, die das Magnetsystem zusätzlich an der Membran halten, und die zudem bei besonderer Belastung die mechanische Beanspruchung der Brückenstege 22 positiv beeinflussen.Finally, in a more preferred embodiment other eyelets for mounting, for example of coil spring elements are provided, which the magnet system additionally hold on to the membrane, and that too mechanical stress in the case of special loads of the bridge webs 22 have a positive influence.

Claims (8)

Formteil zur Halterung eines Exciters für einen Flachmembranlautsprecher mit einem eine Spule aufnehmenden Innenring (10), der mit der schallabgebenden Membran verklebt ist und einem mit dem Innenring (10) über eine Mehrzahl geschwungen ausgebildeter Brückenstege (22) verbundenen Außenring (16) zur Befestigung eines oder mehrerer Magnetsysteme,
dadurch gekennzeichnet, daß wenigstens zwei Gruppen von über den Umfang verteilten Brückenstegen (22) vorgesehen sind, wobei die wenigstens zwei Gruppen in wenigstens zwei mit unterschiedlichem Abstand zur schallabgebenden Membran liegenden Ebenen angeordnet sind.Shaped part for holding an exciter for a flat membrane loudspeaker with an inner ring (10) receiving a coil, which is glued to the sound-emitting membrane and an outer ring (16) connected to the inner ring (10) via a plurality of curved bridge webs (22) for fastening an or several magnet systems,
characterized in that at least two groups of bridge webs (22) distributed over the circumference are provided, the at least two groups being arranged in at least two planes lying at different distances from the sound-emitting membrane. Formteil nach Anspruch 1, dadurch gekennzeichnet, daß der Innenring (10) einen mit dem flächig an der Membran anliegenden Innenbereich einstückigen, rechtwinklig von der Membran wegweisenden Außenmantel aufweist, der an seiner die Spule tragenden Innenseite mit einer Vielzahl von Belüftungsöffnungen (14) versehen ist, die sich zu dem neben den mit der Membran verklebten Innenbereich öffnen, wobei die Brückenstege (22) an die Außenseite des Außenmantels angesetzt angesetzt sind. Shaped part according to claim 1, characterized in that the inner ring (10) has an outer jacket which is integral with the inner area lying flat against the membrane and points away from the membrane at right angles and which is provided on its inner side carrying the coil with a plurality of ventilation openings (14) which open to the inner region glued to the membrane, the bridge webs (22) being attached to the outside of the outer casing. Formteil nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß ein einzelner Brückensteg (22) eine Wellenform aus wenigstens zwei gegeneinander gerichteten Biegungen aufweist.Shaped part according to one of the preceding claims, characterized in that a single bridge web (22) has a wave shape from at least two bends directed towards one another. Formteil nach einem der vorangehenden Ansprüche, dadurch gekennzeicnet, daß die Verbindung eines Brückenstegs (22) mit dem Innenring (10) und/oder dem Außenring (16) mit einem Winkel von weniger als 45° zum Radius erfolgt.Molding according to one of the preceding claims, characterized gekennzeicnet that the connection of a bridge (22) with the inner ring (10) and / or the outer ring (16) at an angle of less than 45 ° to the Radius occurs. Formteil nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Außenring (16) rechtwinklig zur Ringebene von der Membran wegweisenden Hakenzungen (18) zum einschnappenden Eingriff in die an ihm zu befestigenden Magnetsyteme aufweist.Shaped part according to one of the preceding claims, characterized in that the outer ring (16) has hook tongues (18) pointing away from the membrane at right angles to the ring plane for snapping engagement in the magnet systems to be fastened to it. Formteil nach Anspruch 5, dadurch gekennzeichnet, daß am Außenring jeder Hakenzungen (18) benachbart zwei "L"-förmige Zentrierpassungen (22) angeordnet sind.Shaped part according to claim 5, characterized in that two "L" -shaped centering fits (22) are arranged on the outer ring of each hook tongue (18). Formteil nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß die Hakenzungen (18) und/oder Zentrierpassungen (28) aus der Innenmantelfläche des Außenringes (16) nach innen vorspringen.Shaped part according to claim 5 or 6, characterized in that the hook tongues (18) and / or centering fits (28) project inwards from the inner circumferential surface of the outer ring (16). Formteil nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Außenring (16) am äußeren Umfang Einschübe (24) zum Einschub von Lötösen und oder Lötstiften aufweist.Shaped part according to one of the preceding claims, characterized in that the outer ring (16) has inserts (24) on the outer circumference for inserting soldering lugs and or soldering pins.
EP01125046A 2000-10-26 2001-10-20 Molded part for holding the driver of a flat diaphragm loudspeaker Expired - Lifetime EP1207716B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10053252 2000-10-26
DE10053252A DE10053252C2 (en) 2000-10-26 2000-10-26 Molding for holding an exciter for a flat diaphragm loudspeaker

Publications (3)

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EP1207716A2 true EP1207716A2 (en) 2002-05-22
EP1207716A3 EP1207716A3 (en) 2006-10-18
EP1207716B1 EP1207716B1 (en) 2011-07-06

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Application Number Title Priority Date Filing Date
EP01125046A Expired - Lifetime EP1207716B1 (en) 2000-10-26 2001-10-20 Molded part for holding the driver of a flat diaphragm loudspeaker

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EP (1) EP1207716B1 (en)
AT (1) ATE515894T1 (en)
DE (1) DE10053252C2 (en)
ES (1) ES2369197T3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006031433B4 (en) * 2006-07-05 2011-06-22 ELAC Electroacustic GmbH, 24113 Exciter for area diaphragm loudspeakers
RU2456764C2 (en) * 2008-01-04 2012-07-20 Эйрбас Оперэйшнз Гмбх Oscillator for flat loudspeaker, flat loudspeaker and transport vehicle equipped with such loudspeaker
US8542860B2 (en) 2008-01-04 2013-09-24 Airbus Operations Gmbh Oscillator for a flat loudspeaker, flat loudspeaker and vehicle
CN114531634A (en) * 2020-11-09 2022-05-24 玻音先创科技股份有限公司 Mixed diaphragm structure of loudspeaker and plane type diaphragm loudspeaker

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004001215B3 (en) * 2004-01-06 2005-04-21 Elac Electroacustic Gmbh Removable frame for exciter of flat membrane loudspeaker has inner ring holding membrane and fitting in outer ring with set of spring clips
DE202010006188U1 (en) * 2010-04-28 2011-03-03 Elac Electroacustic Gmbh Speaker with actuator and sealing membrane

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810930A1 (en) 1977-03-15 1978-09-21 Kenkichi Tsukamoto SPEAKER
WO1998034320A2 (en) 1997-01-31 1998-08-06 New Transducers Limited Electro-dynamic inertial vibration exciter
US6095280A (en) 1996-07-19 2000-08-01 Proni; Lucio Concentric tube suspension system for loudspeakers
WO2000052961A1 (en) 1999-03-03 2000-09-08 Tokin Corporation Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810930A1 (en) 1977-03-15 1978-09-21 Kenkichi Tsukamoto SPEAKER
US6095280A (en) 1996-07-19 2000-08-01 Proni; Lucio Concentric tube suspension system for loudspeakers
WO1998034320A2 (en) 1997-01-31 1998-08-06 New Transducers Limited Electro-dynamic inertial vibration exciter
WO2000052961A1 (en) 1999-03-03 2000-09-08 Tokin Corporation Vibration actuator having magnetic circuit elastically supported by a spiral damper with increased compliance

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006031433B4 (en) * 2006-07-05 2011-06-22 ELAC Electroacustic GmbH, 24113 Exciter for area diaphragm loudspeakers
RU2456764C2 (en) * 2008-01-04 2012-07-20 Эйрбас Оперэйшнз Гмбх Oscillator for flat loudspeaker, flat loudspeaker and transport vehicle equipped with such loudspeaker
US8542860B2 (en) 2008-01-04 2013-09-24 Airbus Operations Gmbh Oscillator for a flat loudspeaker, flat loudspeaker and vehicle
CN114531634A (en) * 2020-11-09 2022-05-24 玻音先创科技股份有限公司 Mixed diaphragm structure of loudspeaker and plane type diaphragm loudspeaker

Also Published As

Publication number Publication date
ES2369197T3 (en) 2011-11-28
EP1207716B1 (en) 2011-07-06
EP1207716A3 (en) 2006-10-18
DE10053252A1 (en) 2002-03-14
DE10053252C2 (en) 2002-10-10
ATE515894T1 (en) 2011-07-15

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