EP2552129B1 - Hearing aid with special sound channel - Google Patents

Hearing aid with special sound channel Download PDF

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Publication number
EP2552129B1
EP2552129B1 EP12177639.7A EP12177639A EP2552129B1 EP 2552129 B1 EP2552129 B1 EP 2552129B1 EP 12177639 A EP12177639 A EP 12177639A EP 2552129 B1 EP2552129 B1 EP 2552129B1
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EP
European Patent Office
Prior art keywords
housing
sound
cover piece
sound channel
hearing apparatus
Prior art date
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Application number
EP12177639.7A
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German (de)
French (fr)
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EP2552129A1 (en
Inventor
Hartmut Ritter
Michael Sattler
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Sivantos Pte Ltd
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Siemens Medical Instruments Pte Ltd
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Publication of EP2552129A1 publication Critical patent/EP2552129A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Electric hearing aids
    • H04R25/60Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Electric hearing aids
    • H04R25/60Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Electric hearing aids
    • H04R25/60Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/607Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of earhooks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Electric hearing aids
    • H04R25/65Housing parts, e.g. shells, tips or moulds, or their manufacture

Definitions

  • Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
  • the input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil.
  • the output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit. This basic structure is in FIG. 1 shown using the example of a behind-the-ear hearing aid. In a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed.
  • FIG. 2 Also shows FIG. 2 a cover piece 13 that can be inserted into the housing 10.
  • the cover piece 13 has approximately the shape of an elongate plate. At one end, a nozzle 14 is provided, through which the outwardly conductive sound is passed. At the other end of the cover piece 13 is a connection point 15 to produce a soundproof connection to the adapter 11 (see FIG. 3 ).

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Telephone Set Structure (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Description

Die vorliegende Erfindung betrifft eine Hörvorrichtung mit einem Gehäuse, einem Hörer, der in dem Gehäuse angeordnet ist, und einem Schallleitstück, durch das hindurch Schall von dem Hörer aus dem Gehäuse geleitet wird. Unter einer Hörvorrichtung wird hier jedes im oder am Ohr tragbare, schallausgebende Gerät verstanden, insbesondere ein Hörgerät, ein Headset, Kopfhörer und dergleichen.The present invention relates to a hearing device comprising a housing, a receiver arranged in the housing, and a sound conductor, through which sound from the receiver is guided out of the housing. A hearing device is understood here to mean any sound-emitting device which can be worn in or on the ear, in particular a hearing device, a headset, headphones and the like.

Hörgeräte sind tragbare Hörvorrichtungen, die zur Versorgung von Schwerhörenden dienen. Um den zahlreichen individuellen Bedürfnissen entgegenzukommen, werden unterschiedliche Bauformen von Hörgeräten wie Hinter-dem-Ohr-Hörgeräte (HdO), Hörgerät mit externem Hörer (RIC: receiver in the canal) und In-dem-Ohr-Hörgeräte (IdO), z.B. auch Concha-Hörgeräte oder Kanal-Hörgeräte (ITE, CIC), bereitgestellt. Die beispielhaft aufgeführten Hörgeräte werden am Außenohr oder im Gehörgang getragen. Darüber hinaus stehen auf dem Markt aber auch Knochenleitungshörhilfen, implantierbare oder vibrotaktile Hörhilfen zur Verfügung. Dabei erfolgt die Stimulation des geschädigten Gehörs entweder mechanisch oder elektrisch.Hearing aids are portable hearing aids that are used to care for the hearing impaired. In order to meet the numerous individual needs, different types of hearing aids such as behind-the-ear hearing aids (BTE), hearing aid with external receiver (RIC: receiver in the canal) and in-the-ear hearing aids (IDO), e.g. Concha hearing aids or canal hearing aids (ITE, CIC). The hearing aids listed by way of example are worn on the outer ear or in the ear canal. In addition, bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.

Hörgeräte besitzen prinzipiell als wesentliche Komponenten einen Eingangswandler, einen Verstärker und einen Ausgangswandler. Der Eingangswandler ist in der Regel ein Schallempfänger, z. B. ein Mikrofon, und/oder ein elektromagnetischer Empfänger, z. B. eine Induktionsspule. Der Ausgangswandler ist meist als elektroakustischer Wandler, z. B. Miniaturlautsprecher, oder als elektromechanischer Wandler, z. B. Knochenleitungshörer, realisiert. Der Verstärker ist üblicherweise in eine Signalverarbeitungseinheit integriert. Dieser prinzipielle Aufbau ist in FIG 1 am Beispiel eines Hinter-dem-Ohr-Hörgeräts dargestellt. In ein Hörgerätegehäuse 1 zum Tragen hinter dem Ohr sind ein oder mehrere Mikrofone 2 zur Aufnahme des Schalls aus der Umgebung eingebaut. Eine Signalverarbeitungseinheit 3, die ebenfalls in das Hörgerätegehäuse 1 integriert ist, verarbeitet die Mikrofonsignale und verstärkt sie. Das Ausgangssignal der Signalverarbeitungseinheit 3 wird an einen Lautsprecher bzw. Hörer 4 übertragen, der ein akustisches Signal ausgibt. Der Schall wird gegebenenfalls über einen Schallschlauch, der mit einer Otoplastik im Gehörgang fixiert ist, zum Trommelfell des Geräteträgers übertragen. Die Energieversorgung des Hörgeräts und insbesondere die der Signalverarbeitungseinheit 3 erfolgt durch eine ebenfalls ins Hörgerätegehäuse 1 integrierte Batterie 5.Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer. The input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil. The output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized. The amplifier is usually integrated in a signal processing unit. This basic structure is in FIG. 1 shown using the example of a behind-the-ear hearing aid. In a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed. A signal processing unit 3, which is also integrated into the hearing aid housing 1, processes the microphone signals and amplifies them. The output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal. The sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier. The power supply of the hearing device and in particular the signal processing unit 3 is effected by a likewise integrated into the hearing aid housing 1 battery. 5

EP 1962555 zeigt so ein System. EP 1962555 shows such a system.

In den meisten Hörgeräten ist innerhalb des Gehäuses ein Hörer vorgesehen, der den verstärkten Schall für den Hörgeräteträger erzeugt. Der Schall muss von dem Hörer aus dem Gehäuse des Hörgeräts heraus zum Gehörgang des Hörgeräteträgers übertragen werden. Diese Übertragungsstrecke erfordert mehrere Schallkanäle. Einige dieser Schallkanäle befinden sich innerhalb des Gehäuses und einige außerhalb des Gehäuses des Hörgeräts. Außerhalb des Hörgerätegehäuses befindet sich beispielsweise ein Schallkanal im Tragehaken des Hörgeräts und ein Schallkanal im Schallschlauch vom Tragehaken zum Gehörgang. Innerhalb des Hörgerätegehäuses befinden sich Schallkanäle im Hörerstutzen, vom Hörerstutzen zu einem Adapter, an dem der Tragehaken befestigt ist, und in dem Adapter selbst.In most hearing aids, a receiver is provided within the housing, which generates the amplified sound for the hearing aid wearer. The sound must be transmitted by the listener out of the housing of the hearing aid to the auditory canal of the hearing aid wearer. This transmission path requires several sound channels. Some of these sound channels are inside the case and some outside the case of the hearing aid. Outside the hearing aid housing, for example, there is a sound channel in the carrying hook of the hearing device and a sound channel in the sound tube from the carrying hook to the auditory canal. Within the hearing aid housing are sound channels in the earpiece, from the earphone to an adapter to which the carrying hook is attached, and in the adapter itself.

Zwischen dem Hörerstutzen und dem Adapter im Inneren des Gehäuses wird bislang ein Schallschlauch verlegt, der einen bestimmten Querschnitt nicht unterschreiten darf. Bei zu geringem Querschnitt hätte der Schallschlauch oder das Rohr einen zu starken Tiefpasscharakter.Between the earpiece and the adapter inside the housing so far a sound tube is laid, which may not fall below a certain cross-section. If the cross-section is too small, the sound tube or the tube would have too strong a low-pass character.

Das Rohr von dem Hörer zu dem Adapter wird üblicherweise unter einem Mikrofon hindurch verlegt und verläuft damit meist am Boden des Hörgerätegehäuses, der die größte Gehäusequerschnittskrümmung aufweist. Für das Rohr bzw. den Schlauch ist entsprechend viel Platz unter dem Mikrofon vorzusehen.The tube from the handset to the adapter is usually routed under a microphone and thus usually runs at the bottom of the hearing aid housing, which has the largest housing cross-sectional curvature. For the tube or the hose must be provided according to a lot of space under the microphone.

Die Aufgabe der vorliegenden Erfindung besteht darin, das Volumen einer Hörvorrichtung und insbesondere eines Hörgeräts zu reduzieren.The object of the present invention is to reduce the volume of a hearing device and in particular of a hearing aid.

Erfindungsgemäß wird diese Aufgabe gelöst durch eine Hörvorrichtung mit

  • einem Gehäuse,
  • einem Hörer, der in dem Gehäuse angeordnet ist, und
  • einem Schallleitstück, durch das hindurch Schall von dem Hörer aus dem Gehäuse geleitet wird, sowie
  • mit einem Deckstück, das in das Gehäuse so eingesetzt ist, dass sich ein Schallkanal zwischen dem Hörer und dem Schallleitstück bildet, wobei
  • der Schallkanal seitlich durch das Gehäuse und das Deckstück begrenzt ist.
According to the invention, this object is achieved by a hearing device
  • a housing,
  • a handset, which is arranged in the housing, and
  • a Schallleitstück, through which sound is passed from the listener from the housing, as well as
  • with a cover piece, which is inserted into the housing so that a sound channel between the listener and the Schallleitstück forms, wherein
  • the sound channel is bounded laterally by the housing and the cover piece.

In vorteilhafter Weise wird also ein Deckstück in das Gehäuse der Hörvorrichtung eingesetzt, sodass sich ein Schallkanal zwischen dem Hörer und einem Schallleitstück bildet, der durch das Gehäuse und das Deckstück seitlich begrenzt ist. Es wird also das Gehäuse als Schallkanalwand genutzt. Dies aber bedeutet, dass der gesamte Raum in dem Gehäuse unterhalb des Deckstücks als Schallkanal verwendet wird. Damit wird der Gehäuseinnenraum besser ausgenutzt, es verbleibt kein ungenutzter Raum im Gehäuse um einen Schallkanal herum, und das Gehäuse kann entsprechend kleiner gefertigt werden.Advantageously, therefore, a cover piece is inserted into the housing of the hearing, so that a sound channel between the listener and a Schallleitstück forms, which is bounded laterally by the housing and the cover piece. Thus, the housing is used as a sound channel wall. But this means that the entire space in the housing below the cover piece is used as a sound channel. Thus, the housing interior is better utilized, there is no unused space in the housing around a sound channel around, and the housing can be made smaller accordingly.

In einer Ausführungsform kann das Gehäuse im Querschnitt in etwa eine D-Form besitzen, und ein Gehäuseabschnitt mit der größten Querschnittskrümmung den Schallkanal mitbilden. Diese D-Querschnittsform ist bei Hinter-dem-Ohr-Hörgeräten üblich, da sie an die Anatomie des Außenohrs angepasst ist. In dem Bereich der größten Querschnittskrümmung kann in der Regel kein Mikrofon eingebaut werden, sodass sich dieser Bereich für den Schallkanal anbietet und durch das Deckstück nun vollständig genutzt werden kann.In one embodiment, the housing may have approximately a D-shape in cross section, and a housing section with the largest cross-sectional curvature may form the sound channel. This D-cross-sectional shape is common in behind-the-ear hearing aids as it is adapted to the anatomy of the outer ear. As a rule, no microphone can be installed in the area of the greatest cross-sectional curvature, so that this area is offered for the sound channel and can now be fully utilized by the cover piece.

Vorzugsweise besitzt das Deckstück im Wesentlichen eine plättchenförmige Gestalt. Das Deckstück ist somit einfach herstellbar und kann gleichzeitig als Auflage für ein Mikrofon verwendet werden.Preferably, the cover piece has a substantially platelike shape. The cover piece is thus easy to manufacture and can also be used as a support for a microphone.

Darüber hinaus kann das Deckstück eine Öffnung als Eingang des Schallkanals aufweisen. Damit ergibt sich eine definierte Öffnung des Schallkanals, die beim Spritzen des Gehäuses noch nicht berücksichtigt werden muss.In addition, the cover piece may have an opening as an input of the sound channel. This results in a defined opening of the sound channel, which does not yet have to be considered when spraying the housing.

Um die Öffnung des Schallkanals kann am Deckstück ein Stutzen gebildet sein, auf den ein Hörerstutzen des Hörers gesteckt ist. Damit erfüllt das Deckstück zusätzlich die Funktion eines Adapters.To the opening of the sound channel can be formed on the cover piece a nozzle on which a receiver neck of the listener is inserted. Thus, the cover piece additionally fulfills the function of an adapter.

Des Weiteren kann das Schallleitstück am anderen Ende des Schallkanals ein Adapter sein, der eine Schallverbindung zwischen einem Schallleitungskanal eines an dem Gehäuse befestigten Tragehakens und dem Schallkanal im Gehäuse bildet. Der Adapater hat dabei die Funktionalität sowohl der Schallleitung als auch der mechanischen Befestigung.Furthermore, the sound conductor at the other end of the sound channel may be an adapter that forms a sound connection between a sound conduit of a carrying hook attached to the housing and the sound channel in the housing. The adapater has the functionality of both the sound conduction and the mechanical attachment.

Darüber hinaus kann in dem Gehäuse ein Mikrofon angeordnet sein, wobei der Schallkanal unter dem Mikrofon hindurchgeführt ist. Somit kann beispielsweise die Spitze, d. h. das schmalste Ende des Hörgerätegehäuses räumlich am besten ausgenutzt werden.In addition, a microphone may be arranged in the housing, wherein the sound channel is passed under the microphone. Thus, for example, the peak, i. H. the narrowest end of the hearing aid housing are spatially best utilized.

Zudem kann der Schallkanal durch das Deckstück luftdicht gegenüber dem Innenraum des Gehäuses abgedichtet sein. Dadurch lassen sich Rückkopplungen im Inneren des Gehäuses vermeiden. Insbesondere kann das Deckstück an das Gehäuse geklebt oder geschweißt sein. Derartige Verbindungstechniken eignen sich speziell dafür, einen luftdichten Schallkanal zu erzielen.In addition, the sound channel can be hermetically sealed from the interior of the housing by the cover piece. This makes it possible to avoid feedback inside the housing. In particular, the cover piece may be glued or welded to the housing. Such connection techniques are particularly suitable for achieving an airtight sound channel.

Wie oben bereits angedeutet wurde, ist es besonders vorteilhaft, die genannte Hörvorrichtung als Hinter-dem-Ohr-Hörgerät auszubilden. Durch die erfindungsgemäße Technik können kleinere Hörgeräte gebaut werden, sodass deren Akzeptanz steigt.As already indicated above, it is particularly advantageous to use the said hearing device as a behind-the-ear hearing device train. The inventive technique smaller hearing aids can be built so that their acceptance increases.

Die vorliegende Erfindung ist anhand der beigefügten Zeichnungen näher erläutert, in denen zeigen:

FIG 1
den prinzipiellen Aufbau eines Hörgeräts gemäß dem Stand der Technik;
FIG 2
eine Explosionsdarstellung eines vorderen Abschnitts eines Hörgerätegehäuses und
FIG 3
einen Längsschnitt durch den vorderen Abschnitt eines Hörgeräts.
The present invention will be explained in more detail with reference to the accompanying drawings, in which:
FIG. 1
the basic structure of a hearing aid according to the prior art;
FIG. 2
an exploded view of a front portion of a hearing aid housing and
FIG. 3
a longitudinal section through the front portion of a hearing aid.

Die nachfolgend näher geschilderten Ausführungsbeispiele stellen bevorzugte Ausführungsformen der vorliegenden Erfindung dar.The embodiments described in more detail below represent preferred embodiments of the present invention.

In FIG 2 ist ein Abschnitt eines Gehäuses 10 für ein HdO-Hörgerät wiedergegeben. Für Darstellungszwecke ist das Gehäuse 10 nach oben offen eingezeichnet. In die Stirnseite des Gehäuses 10 lässt sich ein Adapter 11 einfügen, der als Schallleitstück dient, um den im Gehäuse erzeugten Schall nach außen zu leiten. Dazu besitzt er eine entsprechende Bohrung 12.In FIG. 2 a section of a housing 10 for a BTE hearing aid is reproduced. For illustration purposes, the housing 10 is shown open at the top. In the front side of the housing 10, an adapter 11 can be inserted, which serves as Schallleitstück to direct the sound generated in the housing to the outside. For this he has a corresponding hole 12th

Außerdem zeigt FIG 2 ein Deckstück 13, das sich in das Gehäuse 10 einsetzen lässt. Das Deckstück 13 besitzt in etwa die Form eines länglichen Plättchens. An einem Ende ist ein Stutzen 14 vorgesehen, durch den der nach außen zu leitende Schall hindurchgeleitet wird. Am anderen Ende des Deckstücks 13 befindet sich eine Anschlussstelle 15, um eine schalldichte Verbindung zu dem Adapter 11 herzustellen (vergleiche FIG 3).Also shows FIG. 2 a cover piece 13 that can be inserted into the housing 10. The cover piece 13 has approximately the shape of an elongate plate. At one end, a nozzle 14 is provided, through which the outwardly conductive sound is passed. At the other end of the cover piece 13 is a connection point 15 to produce a soundproof connection to the adapter 11 (see FIG. 3 ).

Das Gehäuse 10 besitzt im Querschnitt eine Form, die annähernd D-förmig ist. Dabei besitzt der untere Abschnitt 16 des Gehäuses eine deutlich stärkere Krümmung als der obere Abschnitt 17. Der untere Abschnitt 16 ist beim Tragen hinter dem Ohr nach unten gewandt und liegt in dem Spalt zwischen Ohrmuschel und Schädelknochen. Da der Innenraum im Gehäuse 10 im Bereich des unteren Abschnitts 16 sehr schmal ist, kann er für übliche Signalverarbeitungskomponenten wie Mikrofone, Hörer und Verstärker nicht genutzt werden. In den Raum im Bereich des unteren Abschnitts 16 wird erfindungsgemäß auch keine Schallröhre eingelegt, sondern der Raum wird insgesamt als Schallkanal genutzt. Nach oben hin wird dieser Raum durch das Deckstück 13 begrenzt.The housing 10 has a shape in cross-section which is approximately D-shaped. In this case, the lower portion 16 of the Housing a much greater curvature than the upper portion 17. The lower portion 16 is turned when worn behind the ear down and lies in the gap between the pinna and the skull bone. Since the interior space in the housing 10 in the region of the lower portion 16 is very narrow, it can not be used for conventional signal processing components such as microphones, earphones and amplifiers. In the space in the region of the lower portion 16 according to the invention no sound tube is inserted, but the room is used in total as a sound channel. At the top, this space is limited by the cover piece 13.

In FIG 3 ist der vordere Abschnitt des HdO-Hörgeräts im nahezu vollständig montierten Zustand im Längsschnitt dargestellt. In das Gehäuse 10 ist der Adapter 11 eingesetzt. An den Adapter 11 ist ein Tragehaken 18 montiert, der selbst einen Schallkanal 19 vom Adapter 11 bis zu seiner Spitze besitzt.In FIG. 3 The front section of the BTE hearing aid is shown in almost fully assembled state in longitudinal section. In the housing 10, the adapter 11 is inserted. To the adapter 11, a carrying hook 18 is mounted, which itself has a sound channel 19 from the adapter 11 to its tip.

Außerdem ist in das Gehäuse 10 ein Hörer 20 eingesetzt, der den verstärkten Schall erzeugt. Er besitzt an seinem Ausgang einen Hörerstutzen 21, durch den sein Ausgangsschall hindurchgeleitet wird.In addition, a receiver 20 is used in the housing 10, which generates the amplified sound. He has at its output a earpiece 21 through which its output sound is passed.

Darüber hinaus ist in FIG 3 das Deckstück 13 in seiner endgültigen Montageposition dargestellt. Zwischen der Gehäuseinnenwand im Bereich des unteren Abschnitts 16 und dem Deckstück 13 ist ein Schallkanal 22 ausgebildet. Der Schallkanal 22 erstreckt sich über die gesamte Breite im Gehäuseinneren unterhalb des Deckstücks 13.In addition, in FIG. 3 the cover piece 13 is shown in its final mounting position. Between the housing inner wall in the region of the lower portion 16 and the cover piece 13, a sound channel 22 is formed. The sound channel 22 extends over the entire width in the housing interior below the cover piece thirteenth

Auf den Stutzen 14 des Deckstücks 13 ist der Hörerstutzen 21 gesteckt. Tragehakenseitig ist die Anschlussstelle 15 des Deckstücks 13 mit dem Adapter 11 verbunden. Damit ergibt sich unterhalb des Deckstücks 13 der Schallkanal 22. Insgesamt ergibt sich damit eine Schallführung schalldicht von dem Hörer 20 durch den Hörerstutzen 21, den Schallkanal 22, den Kanal 12 im Adapter 11 und dem Kanal 19 im Tragehaken 18.On the neck 14 of the cover piece 13 of the earphone 21 is inserted. Carrying hook side, the connection point 15 of the cover piece 13 is connected to the adapter 11. Overall, this results in a sound conduction soundproof from the handset 20 through the earpiece 21, the sound channel 22, the channel 12 in the adapter 11 and the channel 19 in the carrying hook 18th

Im vorliegenden Beispiel erhält man also innerhalb des Gehäuses 10 ein im vorliegenden Fall D-förmiger Schallkanal anstelle eines Schallröhrchens oder Schallschlauchs (runder oder rechteckiger Querschnitt). Zur Realisierung dieses Schallkanals 22 muss dann nur das Deckstück 13 in das Gehäuse 10 beispielsweise durch Ultraschallschweißen oder Kleben eingefügt werden. Insgesamt kann so bei gleichem Kanalquerschnitt der Raum im Hörgerätegehäuse besser ausgenutzt werden, sodass das Gehäuse 10 bzw. das Hörgerät insgesamt kleiner gebaut werden kann.In the present example, therefore, a D-shaped sound channel instead of a sound tube or sound tube (round or rectangular cross-section) is obtained within the housing 10 in the present case. To realize this sound channel 22 then only the cover piece 13 must be inserted into the housing 10, for example by ultrasonic welding or gluing. Overall, the space in the hearing aid housing can be better utilized with the same channel cross-section, so that the housing 10 or the hearing aid can be made smaller overall.

Im vorliegenden Beispiel ist das Deckstück 13 plättchenförmig ausgebildet. Es kann aber grundsätzlich auch jede andere Form einnehmen, um die Wand des Schallkanals 22 zu bilden. Außerdem kann das Deckstück 13 eine weitere Funktion übernehmen, nämlich die eines Trägers für ein Mikrofon des Hörgeräts. Ein derartiges Mikrofon ist in FIG 3 der Übersicht halber nicht eingezeichnet, kann aber in dem Raum oberhalb des Deckstücks 13 platziert werden.In the present example, the cover piece 13 is formed platelet-shaped. In principle, however, it can also assume any other shape in order to form the wall of the sound channel 22. In addition, the cover piece 13 can take on a further function, namely that of a carrier for a microphone of the hearing aid. Such a microphone is in FIG. 3 for the sake of clarity not shown, but can be placed in the space above the cover piece 13.

Claims (10)

  1. Hearing apparatus having
    - a housing (10),
    - a receiver (20) which is arranged in the housing, and
    - a sound conductor (11) through which sound from the receiver is conducted out of the housing,
    characterised by
    - a cover piece (13) which is inserted into the housing such that a sound channel (22) is formed between the receiver and the sound conductor, wherein
    - the sound channel is delimited at the sides by the housing and the cover piece.
  2. Hearing apparatus according to claim 1, wherein the housing (10) is approximately D-shaped in cross section and a housing segment having the greatest cross-sectional curvature helps form the sound channel (22).
  3. Hearing apparatus according to claim 1 or 2, wherein the cover piece (13) is essentially plate-shaped.
  4. Hearing apparatus according to one of the preceding claims, wherein the cover piece (13) has an opening forming an inlet of the sound channel.
  5. Hearing apparatus according to claim 4, wherein a connecting piece (14) is formed around the opening of the cover piece (13), onto which connecting piece (14) a receiver connector (21) of the receiver (20) is mounted.
  6. Hearing apparatus according to one of the preceding claims, wherein the sound conductor (11) is an adapter which forms an acoustic connection between the sound-conducting channel (19) of an earhook (18) attached to the housing (10) and the sound channel (22) in the housing.
  7. Hearing apparatus according to one of the preceding claims, wherein a microphone is arranged in the housing (10) and the sound channel (22) is routed through under the microphone.
  8. Hearing apparatus according to one of the preceding claims, wherein the sound channel (22) is sealed in an air-tight manner by means of the cover piece (13) with respect to the interior space of the housing (10).
  9. Hearing apparatus according to one of the preceding claims, wherein the cover piece (13) is adhesively bonded or welded to the housing (10).
  10. Hearing apparatus according to one of the preceding claims, which is embodied as a behind-the-ear hearing device.
EP12177639.7A 2011-07-29 2012-07-24 Hearing aid with special sound channel Active EP2552129B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011080123A DE102011080123B3 (en) 2011-07-29 2011-07-29 Hearing device with special sound channel

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EP2552129A1 EP2552129A1 (en) 2013-01-30
EP2552129B1 true EP2552129B1 (en) 2015-06-17

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EP12177639.7A Active EP2552129B1 (en) 2011-07-29 2012-07-24 Hearing aid with special sound channel

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US (1) US8755551B2 (en)
EP (1) EP2552129B1 (en)
CN (1) CN102905216B (en)
DE (1) DE102011080123B3 (en)
DK (1) DK2552129T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014200917A1 (en) * 2014-01-20 2015-07-23 Siemens Medical Instruments Pte. Ltd. BTE hearing aid with housing and sound tube
DE102015208845B3 (en) * 2015-05-13 2016-08-11 Sivantos Pte. Ltd. hearing Aid

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2846346A1 (en) * 1978-10-25 1980-05-08 Bosch Gmbh Robert METHOD FOR MEASURING, TESTING, AND IN PARTICULAR FOR SETTING THE MAXIMUM OUTPUT SOUND PRESSURE OF HOER DEVICES
DE4327634C1 (en) * 1993-08-17 1994-06-30 Siemens Audiologische Technik Behind-the-ear hearing aid
JP2837638B2 (en) * 1995-03-07 1998-12-16 リオン株式会社 Ear-hearing hearing aid
WO2000021336A2 (en) * 1998-10-07 2000-04-13 Oticon A/S A hearing aid
EP1183909B1 (en) * 1999-06-16 2011-02-23 Phonak Ag Behind-the-ear hearing aid
DE10214189B4 (en) * 2002-03-28 2004-04-22 Siemens Audiologische Technik Gmbh Device for sonicating an eardrum with a cerumen protection device and hearing aid
DE10333293A1 (en) * 2003-07-22 2005-03-03 Siemens Audiologische Technik Gmbh Connector for hearing aid holder hook
EP1997348B1 (en) * 2006-03-21 2017-06-07 Widex A/S Interchangeable attachment means for attaching a conductor to a hearing aid
ATE540540T1 (en) * 2006-10-18 2012-01-15 Siemens Audiologische Technik HEARING AID
DE102007008737B8 (en) * 2007-02-22 2008-11-27 Siemens Audiologische Technik Gmbh Behind-the-ear hearing aid with magnetically attached ear hook
DE102007046052A1 (en) * 2007-09-26 2009-04-09 Siemens Medical Instruments Pte. Ltd. Sound tube for a hearing device

Also Published As

Publication number Publication date
CN102905216B (en) 2015-06-17
DK2552129T3 (en) 2015-09-28
CN102905216A (en) 2013-01-30
US20130028455A1 (en) 2013-01-31
US8755551B2 (en) 2014-06-17
DE102011080123B3 (en) 2012-10-11
EP2552129A1 (en) 2013-01-30

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