EP4106348A1 - Hearing device - Google Patents
Hearing device Download PDFInfo
- Publication number
- EP4106348A1 EP4106348A1 EP22171850.5A EP22171850A EP4106348A1 EP 4106348 A1 EP4106348 A1 EP 4106348A1 EP 22171850 A EP22171850 A EP 22171850A EP 4106348 A1 EP4106348 A1 EP 4106348A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- loudspeaker
- housing
- hearing device
- box
- sound
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 3
- 238000013016 damping Methods 0.000 claims description 25
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000000806 elastomer Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 206010011878 Deafness Diseases 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 208000016354 hearing loss disease Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 208000009205 Tinnitus Diseases 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010370 hearing loss Effects 0.000 description 1
- 231100000888 hearing loss Toxicity 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000595 mu-metal Inorganic materials 0.000 description 1
- 231100000886 tinnitus Toxicity 0.000 description 1
Images
Classifications
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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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
- H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/42—Combinations of transducers with fluid-pressure or other non-electrical amplifying means
-
- 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
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
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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
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
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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
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/021—Behind the ear [BTE] hearing aids
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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
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/49—Reducing the effects of electromagnetic noise on the functioning of hearing aids, by, e.g. shielding, signal processing adaptation, selective (de)activation of electronic parts in hearing aid
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/01—Transducers used as a loudspeaker to generate sound aswell as a microphone to detect sound
Definitions
- the invention relates to a hearing device, for example in the form of a hearing aid device.
- Hearing devices are usually used to output an audio signal to the hearing of the wearer of this hearing device.
- the output takes place by means of an output converter, usually acoustically via airborne sound using a loudspeaker (also referred to as “listener” or “receiver”).
- Hearing devices of this type are often used as so-called hearing aid devices (also: hearing aids for short).
- the hearing devices normally comprise an acoustic input converter (in particular a microphone) and a signal processor which is set up to process the input signal (also: microphone signal) generated by the input converter from the ambient sound using at least one signal processing algorithm which is usually stored in a user-specific manner in such a way that a Hearing loss of the wearer of the hearing device is at least partially compensated.
- the output converter can also be, in addition to a loudspeaker, alternatively a so-called bone conduction receiver or a cochlear implant, which are set up for mechanically or electrically coupling the audio signal into the wearer's hearing.
- hearing devices also includes devices such as so-called tinnitus maskers, headsets, headphones and the like.
- Typical designs of hearing devices are behind-the-ear (“BTE” or “BTE”) and in-the-ear (“ITE” or “ITE”) hearing devices. These designations are aimed at the intended wearing position.
- Behind-the-ear hearing devices have a (main) housing that worn behind the ear cup.
- the sound output to the ear usually takes place by means of a sound tube, the end of which is positioned in the auditory canal, and in models that have an external loudspeaker that is placed in the auditory canal.
- In-the-ear hearing devices on the other hand, have a housing that is worn in the auricle or even completely in the auditory canal.
- loudspeakers are used, which can generate a comparatively high sound pressure level (for example of at least approximately 90 dB SPL).
- the loudspeakers are arranged in an additional housing (“loudspeaker box”) within the housing of the hearing device so that the sound generated does not react on other components, in particular on the microphone or microphones in question.
- the loudspeaker is usually suspended by means of an elastomer coating and/or supported only at certain points in order to prevent structure-borne noise from being transmitted to the other components.
- the loudspeaker with its sound output socket is connected - usually even independently of the loudspeaker box - by means of an internal sound conduction element, usually a flexible tube, to a sound output opening of the hearing device, in the case of a BTE usually to a sound tube leading from the BTE housing to the ear.
- an internal sound conduction element usually a flexible tube
- structure-borne noise causes feedback ("feedback") in the range of around 1 to 2 kHz and airborne noise feedback (also known as open loop gain feedback) in the range of around 3-5 kHz.
- the invention is based on the object of specifying an improved hearing device.
- the hearing device has a loudspeaker which includes a loudspeaker membrane for generating acoustic signals, a drive acting on the loudspeaker membrane and a loudspeaker housing in which the drive and the loudspeaker membrane are accommodated.
- the hearing device also has a housing, which encloses a housing interior, and a loudspeaker box which is arranged in the housing interior and in which the loudspeaker is sealed in a fluid-tight manner with respect to the housing interior.
- the loudspeaker box has a sound outlet opening coupled to a sound conductor leading out of the housing.
- the loudspeaker is arranged in the loudspeaker box free of a sound channel element (or: sound conduction element) which is arranged inside the loudspeaker box and couples the loudspeaker to the sound outlet opening.
- the loudspeaker is used in the loudspeaker box without such a usually flexible sound-conducting element, also referred to as a sound tube.
- the drive of the loudspeaker is understood to mean any form of movement generation and transmission to the loudspeaker membrane, as is known in particular in the field of hearing devices.
- this is the Drive around an electromagnetically moved "armature”, which forms a so-called “balanced armature”, or around a so-called “dynamic driver”.
- MEMS technology can also be used.
- the hearing device is preferably a BTE hearing aid device, referred to as “BTE” for short.
- the loudspeaker housing is also designed in such a way that the loudspeaker has an open front volume.
- the front volume of the loudspeaker is expediently designed to be open in that the loudspeaker membrane is kept free of a housing wall of the loudspeaker housing over a large part of its surface on the sound emission side.
- at least 50 percent of the loudspeaker membrane, preferably the entire surface is kept free of the housing wall.
- the wall part that would cover the loudspeaker membrane is missing.
- the corresponding side wall is therefore missing.
- a configuration of the loudspeaker with an open front volume improves the sensitivity in the high frequency range, in particular in the range of frequencies relevant to speech.
- the loudspeaker is firmly connected to a bottom wall of the loudspeaker box by means of a damping element, which forms a damping mat, in particular only via a side surface of the loudspeaker.
- the loudspeaker is therefore not arranged in a cover and by means of this is suspended in the loudspeaker box (hereinafter referred to as "box") or supported by means of selective support elements. Due to the fixed connection, especially in combination with the open front volume, due to which a so-called "spout” or sound outlet socket on the loudspeaker housing can be omitted (and in particular is not available), the loudspeaker can advantageously also be positioned and aligned comparatively freely in the box.
- the loudspeaker can be aligned in such a way that it reacts comparatively insensitively to impacts.
- Loudspeakers are fastened to the damping mat with their "rear side" facing away from the loudspeaker membrane and by means of them to the bottom wall of the box.
- the damping mat has a support layer made of an elastomer.
- This supporting layer in turn forms at least one damping chamber filled with a fluid, in particular with a gas, between the loudspeaker and the loudspeaker box.
- the support layer preferably has a number of columnar support elements. These support elements are designed as cylindrical or hourglass-like columns ("pillars"), cones, pyramids or the like and support the damping chamber against the loudspeaker, the loudspeaker box or a cover layer of the damping mat.
- the supporting layer preferably forms a type of trough which is open towards an upper side and in which the supporting elements are distributed. During the production of the damping mat, this trough is preferably covered (i.e. closed) and filled with the fluid by means of a cover layer optionally made of a different material, in particular a harder material, e.g. an elastomer with a higher Shore hardness than the support layer.
- the support elements advantageously enable a uniform load distribution over the entire surface of the damping mat.
- the box is made of a soft magnetic alloy with high magnetic permeability, known for example under the trade name "Mumetall".
- Mometall a soft magnetic alloy with high magnetic permeability
- the box is comparatively stiff and can also contribute to shielding other electrical and/or electronic components of the hearing device from the loudspeaker.
- the box is preferably formed from two partial shells.
- the loudspeaker is attached to the bottom wall facing the housing of the hearing device, in particular to the "lower" partial shell. This is preferably flat on the Connected housing of the hearing device or arranged in the housing electronics carrier.
- the box is designed by means of a simulation in relation to the lowest possible resonance, both for airborne and structure-borne sound excitation.
- the volume of the box is preferably also kept as small as possible by means of this or a comparable simulation.
- the loudspeaker box preferably also has a line bushing sealed by means of an elastomer, through which connection lines (in particular connection wires) of the loudspeaker (or for the loudspeaker) are passed.
- In 1 shows a hearing device in the form of a hearing aid device, specifically a hearing aid device to be worn behind the ear of a user (also referred to as a hearing device for short, referred to here as “BTE 1”).
- the BTE 1 comprises a housing 2 in which the electronic components of the BTE 1 are arranged. These electronic components are, for example, two microphones 4, one Loudspeaker 6, a signal processor 8 and a battery module 10.
- the microphones 4 are used to receive ambient noise and convert it into electrical input signals (also: “microphone signals MS”), which are transmitted by the signal processor 8 (also called “controller ”) are processed (particularly filtered, amplified and/or attenuated as a function of frequency, etc.).
- the processed input signals are then output as output signals AS to the loudspeaker 6, which converts them into sound signals and forwards them to the user's hearing.
- a loudspeaker box (abbreviated: "box 12" for short) arranged within the housing 2 .
- the loudspeaker 6 is fastened in this box 12 in a manner that is as vibration-decoupled as possible by means of a damping element 14 described in more detail below.
- a tube-like sound tunnel 16 connects to the box 12, which is used to conduct the airborne sound generated by the loudspeaker 6 into a sound tube 18 leading from the housing 2 to the ear of the user, specifically first into a so-called ear hook 20 (in 1 not shown), serves.
- a sound tube between the loudspeaker 6 and a sound outlet opening 22 (see Fig. 3 ) of box 12 available. This prevents or reduces the transmission of vibrations via the sound tube to the box 12 and thus to the housing 2 of the BTE 1 and in turn to the microphones 4 thereabove.
- no sound pressure-related pumping of the sound tube can occur within the box 12, which can lead to a loss of performance on the one hand and airborne feedback on the other.
- the speaker 6 can also be adjusted.
- the loudspeaker 6 is designed with an open front volume, in that a "cover” of the loudspeaker housing, which would be arranged above the sound emission side of a loudspeaker membrane 24 (see Fig. 3 ) is missing.
- the speaker 6 is designed as a "balanced armature receiver".
- the open front volume enables a high sensitivity of the BTE 1 in the high frequency range, especially in the voice range.
- the loudspeaker 6 is also fixed to the box 12, specifically to a bottom wall 26 of a lower partial shell (the figures do not show any dividing lines between an upper and lower partial shell) of the box 12, concretely glued.
- the aforementioned damping element 14 is interposed.
- the damping element 14 represents a damping mat. This is formed by a damping layer 30 (also: “support layer”) made of a first elastomer with a comparatively low Shore hardness and has an approximately rectangular trough, from the trough floor of which several columns 32 protrude as a support structure.
- the tub is closed by a cover layer 34 made of a second elastomer with a higher Shore hardness, so that the interior of the tub forms a gas-filled damping chamber 36 .
- the damping element 14 is glued to the bottom wall 26 and the loudspeaker 6 in turn to the damping element 14.
- An opening 38 in the box 12 for leading through connecting wires 39 to the loudspeaker 6 is sealed sufficiently tightly by means of a rubber insert 40 .
- the box 12 is also formed of a high permeability, soft magnetic metal.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Die Erfindung betrifft eine Hörvorrichtung (1), die einen Lautsprecher (6), der eine Lautsprechermembran (24) zur Erzeugung von akustischen Signalen, einen auf die Lautsprechermembran (24) wirkenden Antrieb und ein Lautsprechergehäuse, in dem der Antrieb und die Lautsprechermembran (24) aufgenommen sind, umfasst, ein Gehäuse (2), das einen Gehäuseinnenraum umhüllt, und eine in dem Gehäuseinnenraum angeordnete Lautsprecherbox (12), in der der Lautsprecher (6) gegenüber dem Gehäuseinnenraum fluiddicht abgeschlossen ist, und die eine mit einem aus dem Gehäuse (2) führenden Schallleiter (18, 20) gekoppelte Schallaustrittsöffnung (22) aufweist, umfasst. Der Lautsprecher (6) ist dabei frei von einem innerhalb der Lautsprecherbox (12) angeordneten und den Lautsprecher (6) mit der Schallaustrittsöffnung (22) koppelndem Schallkanalelement in der Lautsprecherbox (12) angeordnet.The invention relates to a hearing device (1), which has a loudspeaker (6), a loudspeaker membrane (24) for generating acoustic signals, a drive acting on the loudspeaker membrane (24), and a loudspeaker housing in which the drive and the loudspeaker membrane (24 ) are accommodated, comprises a housing (2), which encloses a housing interior, and a loudspeaker box (12) arranged in the housing interior, in which the loudspeaker (6) is fluid-tightly sealed off from the housing interior, and one with a housing (2) leading sound conductor (18, 20) coupled sound outlet opening (22) comprises. The loudspeaker (6) is arranged in the loudspeaker box (12) free of a sound channel element which is arranged inside the loudspeaker box (12) and couples the loudspeaker (6) to the sound outlet opening (22).
Description
Die Erfindung betrifft eine Hörvorrichtung, bspw. in Form eines Hörhilfegeräts.The invention relates to a hearing device, for example in the form of a hearing aid device.
Hörvorrichtungen dienen üblicherweise zur Ausgabe eines Tonsignals an das Gehör des Trägers dieser Hörvorrichtung. Die Ausgabe erfolgt dabei mittels eines Ausgabewandlers, meist auf akustischem Weg über Luftschall mittels eines Lautsprechers (auch als "Hörer" oder "Receiver" bezeichnet). Häufig kommen derartige Hörvorrichtungen dabei als sogenannte Hörhilfegeräte (auch kurz: Hörgeräte) zum Einsatz. Dazu umfassen die Hörvorrichtungen normalerweise einen akustischen Eingangswandler (insbesondere ein Mikrofon) und einen Signalprozessor, der dazu eingerichtet ist, das von dem Eingangswandler aus dem Umgebungsschall erzeugte Eingangssignal (auch: Mikrofonsignal) unter Anwendung mindestens eines üblicherweise nutzerspezifisch hinterlegten Signalverarbeitungsalgorithmus derart zu verarbeiten, dass eine Hörminderung des Trägers der Hörvorrichtung zumindest teilweise kompensiert wird. Insbesondere im Fall eines Hörhilfegeräts kann es sich bei dem Ausgabewandler neben einem Lautsprecher auch alternativ um einen sogenannten Knochenleitungshörer oder ein Cochlea-Implantat handeln, die zur mechanischen oder elektrischen Einkopplung des Tonsignals in das Gehör des Trägers eingerichtet sind. Unter dem Begriff Hörvorrichtungen fallen zusätzlich insbesondere auch Geräte wie z.B. sogenannte Tinnitus-Masker, Headsets, Kopfhörer und dergleichen.Hearing devices are usually used to output an audio signal to the hearing of the wearer of this hearing device. The output takes place by means of an output converter, usually acoustically via airborne sound using a loudspeaker (also referred to as "listener" or "receiver"). Hearing devices of this type are often used as so-called hearing aid devices (also: hearing aids for short). For this purpose, the hearing devices normally comprise an acoustic input converter (in particular a microphone) and a signal processor which is set up to process the input signal (also: microphone signal) generated by the input converter from the ambient sound using at least one signal processing algorithm which is usually stored in a user-specific manner in such a way that a Hearing loss of the wearer of the hearing device is at least partially compensated. In the case of a hearing aid device in particular, the output converter can also be, in addition to a loudspeaker, alternatively a so-called bone conduction receiver or a cochlear implant, which are set up for mechanically or electrically coupling the audio signal into the wearer's hearing. The term hearing devices also includes devices such as so-called tinnitus maskers, headsets, headphones and the like.
Typische Bauformen von Hörvorrichtungen, insbesondere Hörgeräten, sind Hinter-dem-Ohr- ("HdO"- oder "BTE"-) und In-dem-Ohr- ("IdO"- oder "ITE"-) Hörvorrichtungen. Diese Bezeichnungen zielen auf die bestimmungsgemäße Trageposition ab. So weisen Hinter-dem-Ohr-Hörvorrichtungen ein (Haupt-) Gehäuse auf, das hinter der Ohrmuschel getragen wird. Hier kann in Modelle unterschieden werden, deren Lautsprecher in diesem Gehäuse angeordnet ist. Die Schallausgabe an das Ohr erfolgt dabei üblicherweise mittels eines Schallschlauchs, dessen Ende im Gehörgang positioniert getragen wird, sowie in Modelle, die einen externen Lautsprecher, der im Gehörgang platziert wird, aufweisen. In-dem-Ohr-Hörvorrichtungen weisen hingegen ein Gehäuse auf, das in der Ohrmuschel oder sogar vollständig im Gehörgang getragen wird.Typical designs of hearing devices, in particular hearing aids, are behind-the-ear ("BTE" or "BTE") and in-the-ear ("ITE" or "ITE") hearing devices. These designations are aimed at the intended wearing position. Behind-the-ear hearing devices have a (main) housing that worn behind the ear cup. A distinction can be made between models whose loudspeakers are arranged in this housing. The sound output to the ear usually takes place by means of a sound tube, the end of which is positioned in the auditory canal, and in models that have an external loudspeaker that is placed in the auditory canal. In-the-ear hearing devices, on the other hand, have a housing that is worn in the auricle or even completely in the auditory canal.
Insbesondere bei Hörhilfegeräten für Personen mit starker Hörminderung kommen - meist bei BTE-Hörgeräten - besonders leistungsfähige Lautsprecher zum Einsatz, die einen vergleichsweise hohen Schalldruckpegel (bspw. von mindestens etwa 90 dB SPL) erzeugen können. Damit der erzeugte Schall nicht auf andere Komponenten, insbesondere auf das oder das jeweilige Mikrofon rückwirkt, sind die Lautsprecher in einer zusätzlichen Einhausung ("Lautsprecherbox") innerhalb des Gehäuses der Hörvorrichtung angeordnet. In dieser Lautsprecherbox ist der Lautsprecher üblicherweise mittels eines Elastomerüberzugs aufgehängt und/oder nur punktuell abgestützt, um eine Übertragung von Körperschall auf die anderen Komponenten zu vermeiden. Zudem ist der Lautsprecher mit seinem Schallausgangsstutzen - meist sogar unabhängig von der Lautsprecherbox - mittels eines internen Schallleitungselements, meist ein flexibler Schlauch, an eine Schallausgangsöffnung der Hörvorrichtung, bei einem BTE meist an einen vom BTE-Gehäuse zum Ohr führenden Schallschlauch angebunden.Especially in the case of hearing aid devices for people with a severe hearing loss--usually in the case of BTE hearing devices--particularly powerful loudspeakers are used, which can generate a comparatively high sound pressure level (for example of at least approximately 90 dB SPL). The loudspeakers are arranged in an additional housing (“loudspeaker box”) within the housing of the hearing device so that the sound generated does not react on other components, in particular on the microphone or microphones in question. In this loudspeaker box, the loudspeaker is usually suspended by means of an elastomer coating and/or supported only at certain points in order to prevent structure-borne noise from being transmitted to the other components. In addition, the loudspeaker with its sound output socket is connected - usually even independently of the loudspeaker box - by means of an internal sound conduction element, usually a flexible tube, to a sound output opening of the hearing device, in the case of a BTE usually to a sound tube leading from the BTE housing to the ear.
Gerade bei solchen besonders leistungsfähigen Lautsprechern kommt es allerdings häufig unter anderem zu sogenannten Pumpeffekten in den flexiblen Schallleitungselementen, die die erzielbare Verstärkung reduzieren. Teilweise kommt es aufgrund von Körperschall zu einem Feedback ("Rückkopplung") im Bereich von etwa 1 bis 2 kHz und einer Luftschall-Rückkopplung (auch als open loop gain feedback bezeichnet) im Bereich von etwa 3-5 kHz.However, it is precisely with such particularly powerful loudspeakers that, among other things, so-called pump effects often occur in the flexible sound-conducting elements, which reduce the amplification that can be achieved. In some cases, structure-borne noise causes feedback ("feedback") in the range of around 1 to 2 kHz and airborne noise feedback (also known as open loop gain feedback) in the range of around 3-5 kHz.
Der Erfindung liegt die Aufgabe zugrunde, eine verbesserte Hörvorrichtung anzugeben.The invention is based on the object of specifying an improved hearing device.
Diese Aufgabe wird erfindungsgemäß gelöst durch eine Hörvorrichtung mit den Merkmalen des Anspruchs 1. Vorteilhafte und teils für sich erfinderische Ausführungsformen und Weiterentwicklungen der Erfindung sind in den Unteransprüchen und der nachfolgenden Beschreibung dargelegt.This object is achieved according to the invention by a hearing device with the features of
Die erfindungsgemäße Hörvorrichtung weist einen Lautsprecher auf, der eine Lautsprechermembran zur Erzeugung von akustischen Signalen, einen auf die Lautsprechermembran wirkenden Antrieb und ein Lautsprechergehäuse, in dem der Antrieb und die Lautsprechermembran aufgenommen sind, umfasst. Die Hörvorrichtung weist außerdem ein Gehäuse auf, das einen Gehäuseinnenraum umhüllt, sowie eine in dem Gehäuseinnenraum angeordnete Lautsprecherbox, in der der Lautsprecher gegenüber dem Gehäuseinnenraum fluiddicht abgeschlossen ist. Die Lautsprecherbox weist dabei eine mit einem aus dem Gehäuse führenden Schallleiter gekoppelte Schallaustrittsöffnung auf. Außerdem ist der Lautsprecher frei von einem innerhalb der Lautsprecherbox angeordneten und den Lautsprecher mit der Schallaustrittsöffnung koppelnden Schallkanalelement (oder: Schallleitungselement) in der Lautsprecherbox angeordnet.The hearing device according to the invention has a loudspeaker which includes a loudspeaker membrane for generating acoustic signals, a drive acting on the loudspeaker membrane and a loudspeaker housing in which the drive and the loudspeaker membrane are accommodated. The hearing device also has a housing, which encloses a housing interior, and a loudspeaker box which is arranged in the housing interior and in which the loudspeaker is sealed in a fluid-tight manner with respect to the housing interior. The loudspeaker box has a sound outlet opening coupled to a sound conductor leading out of the housing. In addition, the loudspeaker is arranged in the loudspeaker box free of a sound channel element (or: sound conduction element) which is arranged inside the loudspeaker box and couples the loudspeaker to the sound outlet opening.
Anders ausgedrückt ist der Lautsprecher ohne ein solches auch als Schallschlauch oder "sound tube" bezeichnetes, üblicherweise flexibles, Schallleitungselement in der Lautsprecherbox eingesetzt.In other words, the loudspeaker is used in the loudspeaker box without such a usually flexible sound-conducting element, also referred to as a sound tube.
Durch das Fehlen eines solchen Schallleitungselements kann dessen bei hoher Verstärkung häufig auftretender Pumpeffekt innerhalb der Lautsprecherbox vermieden werden. Dadurch wird wiederum eine luftschallbedingte Einkopplung von Vibrationen in die Lautsprecherbox und/oder das Gehäuse der Hörvorrichtung. Auch wird eine Übertragung von Vibrationen über das Schallleitungselement hinweg - bedingt durch Vibrationen des Lautsprechers selbst sowie auch durch den Pumpeffekt - vermieden oder zumindest reduziert.Due to the absence of such a sound-conducting element, the pumping effect within the loudspeaker box that often occurs with high amplification can be avoided. This in turn causes vibrations caused by airborne noise to be coupled into the loudspeaker box and/or the housing of the hearing device. A transmission of vibrations across the sound-conducting element—caused by vibrations of the loudspeaker itself and also by the pumping effect—is avoided or at least reduced.
Unter dem Antrieb des Lautsprechers wird jegliche Form der Bewegungserzeugung und -übertragung auf die Lautsprechermembran verstanden, wie sie insbesondere im Bereich von Hörvorrichtung bekannt ist. Bspw. handelt es sich bei dem Antrieb um einen elektromagnetisch bewegten "Anker", der eine sogenannte "balanced armature" bildet, oder um einen sogenannten "dynamic driver". Ebenso kann aber auch die MEMS-Technologie zum Einsatz kommen.The drive of the loudspeaker is understood to mean any form of movement generation and transmission to the loudspeaker membrane, as is known in particular in the field of hearing devices. For example, this is the Drive around an electromagnetically moved "armature", which forms a so-called "balanced armature", or around a so-called "dynamic driver". However, MEMS technology can also be used.
Bevorzugt handelt es sich bei der Hörvorrichtung um ein BTE-Hörhilfegerät, kurz als "BTE" bezeichnet.The hearing device is preferably a BTE hearing aid device, referred to as “BTE” for short.
In einer bevorzugten Ausführung ist außerdem das Lautsprechergehäuse derart gestaltet, dass der Lautsprecher ein offenes Frontvolumen aufweist. Zweckmäßigerweise ist das Frontvolumen des Lautsprechers dadurch offen gestaltet, dass die Lautsprechermembran schallabgabeseitig zu einem Großteil deren Fläche von einer Gehäusewandung des Lautsprechergehäuses freigehalten ist. Vorzugsweise ist die Lautsprechermembran dabei zu wenigstens 50 Prozent, bevorzugt vollflächig, von der Gehäusewandung freigehalten. In letzterem Fall fehlt also mit anderen Worten der Wandungsteil, der die Lautsprechermembran verdecken würde. Bei einem balanced armature Lautsprecher, der üblicherweise quaderförmig ausgebildet ist, fehlt also die entsprechende Seitenwand. Eine Ausgestaltung des Lautsprechers mit offenem Frontvolumen verbessert dabei die Empfindlichkeit im Bereich hoher Frequenzen, insbesondere im Bereich der die Sprache betreffenden Frequenzen.In a preferred embodiment, the loudspeaker housing is also designed in such a way that the loudspeaker has an open front volume. The front volume of the loudspeaker is expediently designed to be open in that the loudspeaker membrane is kept free of a housing wall of the loudspeaker housing over a large part of its surface on the sound emission side. Preferably, at least 50 percent of the loudspeaker membrane, preferably the entire surface, is kept free of the housing wall. In the latter case, in other words, the wall part that would cover the loudspeaker membrane is missing. In the case of a balanced armature loudspeaker, which is usually of cuboid design, the corresponding side wall is therefore missing. A configuration of the loudspeaker with an open front volume improves the sensitivity in the high frequency range, in particular in the range of frequencies relevant to speech.
In einer zweckmäßigen Ausführung ist der Lautsprecher mittels eines Dämpfungselements, das eine Dämpfungsmatte bildet, insbesondere nur über eine Seitenfläche des Lautsprechers, fest mit einer Bodenwand der Lautsprecherbox verbunden. Insbesondere ist der Lautsprecher also nicht in einem Überzug angeordnet und mittels dessen in der Lautsprecherbox (nachfolgend kurz: "Box") aufgehängt oder mittels punktueller Auflageelemente abgestützt. Aufgrund der festen Anbindung, insbesondere in Kombination mit dem offenen Frontvolumen, aufgrund dessen ein sogenannter "spout" oder Schallausgangsstutzen am Lautsprechergehäuse entfallen kann (und insbesondere auch nicht vorhanden ist), kann der Lautsprecher vorteilhafterweise auch vergleichsweise frei in der Box positioniert und ausgerichtet werden. Dadurch kann der Lautsprecher derart ausgerichtet werden, dass er gegen Stöße vergleichsweise unempfindlich reagiert. Insbesondere ist der Lautsprecher dazu mit seiner der Lautsprechermembran abgewandten "Rückseite" an der Dämpfungsmatte und mittels derer an der Bodenwand der Box befestigt.In an expedient embodiment, the loudspeaker is firmly connected to a bottom wall of the loudspeaker box by means of a damping element, which forms a damping mat, in particular only via a side surface of the loudspeaker. In particular, the loudspeaker is therefore not arranged in a cover and by means of this is suspended in the loudspeaker box (hereinafter referred to as "box") or supported by means of selective support elements. Due to the fixed connection, especially in combination with the open front volume, due to which a so-called "spout" or sound outlet socket on the loudspeaker housing can be omitted (and in particular is not available), the loudspeaker can advantageously also be positioned and aligned comparatively freely in the box. As a result, the loudspeaker can be aligned in such a way that it reacts comparatively insensitively to impacts. In particular is the Loudspeakers are fastened to the damping mat with their "rear side" facing away from the loudspeaker membrane and by means of them to the bottom wall of the box.
In einer zweckmäßigen Weiterbildung weist die Dämpfungsmatte eine aus einem Elastomer gebildete Stützschicht auf. Diese Stützschicht bildet wiederum zwischen dem Lautsprecher und der Lautsprecherbox wenigstens eine mit einem Fluid, insbesondere mit einem Gas, gefüllte Dämpferkammer. Dadurch wird - auch bei nur einseitiger Abstützung gegen das Dämpfungselement - eine vergleichsweise hohe Dämpfungswirkung erzielt.In an expedient development, the damping mat has a support layer made of an elastomer. This supporting layer in turn forms at least one damping chamber filled with a fluid, in particular with a gas, between the loudspeaker and the loudspeaker box. As a result, a comparatively high damping effect is achieved--even with only one-sided support against the damping element.
Des Weiteren weist die Stützschicht vorzugsweise eine Anzahl von säulenartigen Stützelementen auf. Diese Stützelemente sind als zylindrische oder sanduhrartige Säulen ("pillars"), Koni, Pyramiden oder dergleichen ausgebildet und stützen die Dämpferkammer gegen den Lautsprecher, die Lautsprecherbox oder eine Deckschicht der Dämpfungsmatte ab. Bevorzugt bildet die Stützschicht eine Art Wanne, die zu einer Oberseite hin offen ist und in der die Stützelemente verteilt sind. Diese Wanne wird während der Fertigung der Dämpfungsmatte vorzugsweise mittels einer, optional aus einem anderen, insbesondere einem härteren Material, bspw. einem Elastomer mit höherer Shore-Härte, als die Stützschicht, gebildeten Deckschicht abgedeckt (d. h. verschlossen) und mit dem Fluid gefüllt. Durch die Stützelemente wird vorteilhafterweise eine gleichmäßige Lastverteilung über die gesamte Fläche der Dämpfungsmatte ermöglicht.Furthermore, the support layer preferably has a number of columnar support elements. These support elements are designed as cylindrical or hourglass-like columns ("pillars"), cones, pyramids or the like and support the damping chamber against the loudspeaker, the loudspeaker box or a cover layer of the damping mat. The supporting layer preferably forms a type of trough which is open towards an upper side and in which the supporting elements are distributed. During the production of the damping mat, this trough is preferably covered (i.e. closed) and filled with the fluid by means of a cover layer optionally made of a different material, in particular a harder material, e.g. an elastomer with a higher Shore hardness than the support layer. The support elements advantageously enable a uniform load distribution over the entire surface of the damping mat.
In einer zweckmäßigen Ausführung ist die Box aus einer weichmagnetischen Legierung mit hoher magnetischer Permeabilität, bspw. bekannt unter der Marke "Mumetall", gebildet. Dadurch ist die Box vergleichsweise steif und kann auch zur Schirmung weiterer elektrischer und/oder elektronischer Komponenten der Hörvorrichtung gegenüber dem Lautsprecher beitragen.In an expedient embodiment, the box is made of a soft magnetic alloy with high magnetic permeability, known for example under the trade name "Mumetall". As a result, the box is comparatively stiff and can also contribute to shielding other electrical and/or electronic components of the hearing device from the loudspeaker.
Vorzugsweise ist die Box aus zwei Teilschalen gebildet. Der Lautsprecher ist dabei an der dem Gehäuse der Hörvorrichtung zugewandten Bodenwand, insbesondere der "unteren" Teilschale, befestigt. Diese ist vorzugsweise flächig an dem Gehäuse der Hörvorrichtung oder einem im Gehäuse angeordneten Elektronikträger angebunden.The box is preferably formed from two partial shells. The loudspeaker is attached to the bottom wall facing the housing of the hearing device, in particular to the "lower" partial shell. This is preferably flat on the Connected housing of the hearing device or arranged in the housing electronics carrier.
In einer weiteren zweckmäßigen Ausführung ist die Box mittels einer Simulation in Bezug auf eine möglichst geringe Resonanz sowohl bei Luftschall- als auch bei Körperschall-Anregung ausgelegt. Vorzugsweise ist mittels dieser oder einer vergleichbaren Simulation auch das Volumen der Box möglichst gering gehalten.In a further expedient embodiment, the box is designed by means of a simulation in relation to the lowest possible resonance, both for airborne and structure-borne sound excitation. The volume of the box is preferably also kept as small as possible by means of this or a comparable simulation.
Außerdem weist die Lautsprecherbox vorzugsweise auch eine mittels eines Elastomers abgedichtete Leitungsdurchführung auf, durch die Anschlussleitungen (insbesondere Anschlussdrähte) des Lautsprechers (oder für den Lautsprecher) hindurchgeführt sind.In addition, the loudspeaker box preferably also has a line bushing sealed by means of an elastomer, through which connection lines (in particular connection wires) of the loudspeaker (or for the loudspeaker) are passed.
Die Konjunktion "und/oder" ist hier und im Folgenden insbesondere derart zu verstehen, dass die mittels dieser Konjunktion verknüpften Merkmale sowohl gemeinsam als auch als Alternativen zueinander ausgebildet sein können.The conjunction "and/or" is to be understood here and in the following in particular such that the features linked by means of this conjunction can be configured both together and as alternatives to one another.
Nachfolgend wird ein Ausführungsbeispiel der Erfindung anhand einer Zeichnung näher erläutert. Darin zeigen:
- Fig. 1
- in einer schematischen Darstellung eine Hörvorrichtung,
- Fig. 2
- in einer aufgebrochenen Seitenansicht die Hörvorrichtung, und
- Fig. 3
- in einer schematischen Teilschnittdarstellung eine Lautsprecherbox und einen Lautsprecher der Hörvorrichtung.
- 1
- in a schematic representation a hearing device,
- 2
- in a broken side view the hearing device, and
- 3
- in a schematic partial sectional view, a loudspeaker box and a loudspeaker of the hearing device.
Einander entsprechende Teile sind in allen Figuren stets mit gleichen Bezugszeichen versehen.Corresponding parts are always provided with the same reference symbols in all figures.
In
Um die Mikrofone 4 vor Rückkopplungen ("Feedback") mit dem Lautsprecher 6 zu schützen, ist dieser in einer innerhalb des Gehäuses 2 angeordneten Lautsprecherbox (kurz: "Box 12") eingeschlossen. In dieser Box 12 ist der Lautsprecher 6 mittels eines nachfolgend näher beschriebenen Dämpfungselements 14 möglichst vibrationsentkoppelt befestigt.In order to protect the
Wie aus
Da kein Schallschlauch innerhalb der Box 12 vorhanden ist, kann auch der Lautsprecher 6 angepasst werden. Hierzu ist der Lautsprecher 6 mit offenem Frontvolumen ausgebildet, indem ein "Deckel" des Lautsprechergehäuses, der oberhalb der Schallabgabeseite einer Lautsprechermembran 24 angeordnet wäre (s.
Das offene Frontvolumen ermöglicht eine hohe Empfindlichkeit des BTE 1 im Bereich hoher Frequenzen, insbesondere im Sprachbereich.The open front volume enables a high sensitivity of the
Der Lautsprecher 6 ist außerdem fest mit der Box 12, konkret mit einer Bodenwand 26 einer unteren Teilschale (in den Figuren sind keine Trennlinien zwischen einer oberen und der unteren Teilschale dargestellt) der Box 12 verbunden, konkret verklebt. Dabei ist das vorstehend genannte Dämpfungselement 14 zwischengeschaltet.The
Das Dämpfungselement 14 stellt eine Dämpfungsmatte dar. Diese ist durch eine Dämpfungsschicht 30 (auch: "Stützschicht") aus einem ersten Elastomer mit vergleichsweise geringer Shore-Härte gebildet und weist eine etwa rechteckige Wanne auf, von deren Wannenboden als Stützstruktur mehrere Säulen 32 emporstehen. Die Wanne ist von einer Deckschicht 34 aus einem zweiten Elastomer mit höherer Shore-Härte verschlossen, so dass der Wanneninnenraum eine gasgefüllte Dämpfungskammer 36 bildet. Das Dämpfungselement 14 ist mit der Bodenwand 26 verklebt und der Lautsprecher 6 wiederum mit dem Dämpfungselement 14.The damping
Eine Öffnung 38 der Box 12 zur Durchführung von Anschlussdrähten 39 zum Lautsprecher 6 ist mittels einer Gummi-Einlage 40 hinreichend dicht verschlossen.An
Die Box 12 ist außerdem aus einem weichmagnetischen Metall mit hoher Permeabilität gebildet.The
Der Gegenstand der Erfindung ist nicht auf das vorstehend beschriebene Ausführungsbeispiel beschränkt. Vielmehr können weitere Ausführungsformen der Erfindung von dem Fachmann aus der vorstehenden Beschreibung abgeleitet werden.The subject of the invention is not limited to the embodiment described above. Rather, further embodiments of the invention can be derived by the person skilled in the art from the above description.
- 11
- BTEBTE
- 22
- GehäuseHousing
- 44
- Mikrofonmicrophone
- 66
- Lautsprecherspeaker
- 88th
- Signalprozessorsignal processor
- 1010
- Batteriemodulbattery module
- 1212
- Boxbox
- 1414
- Dämpfungselementdamping element
- 1616
- Schalltunnelsound tunnel
- 1818
- Schallschlauchsound tube
- 2020
- Ohrhakenearhook
- 2222
- Schallaustrittsöffnungsound outlet opening
- 2424
- Lautsprechermembranspeaker membrane
- 2626
- Bodenwandbottom wall
- 3030
- Dämpfungsschichtcushioning layer
- 3232
- Säulepillar
- 3434
- Deckschichttop layer
- 3636
- Dämpfungskammerdamping chamber
- 3838
- Öffnungopening
- 3939
- Anschlussdrahthookup wire
- 4040
- Gummi-Einlagerubber insert
- MSMS
- Mikrofonsignalmicrophone signal
- ASAS
- Ausgangssignaloutput signal
Claims (10)
wobei das Lautsprechergehäuse derart gestaltet ist, dass der Lautsprecher (6) ein offenes Frontvolumen aufweist.Hearing device (1) according to claim 1,
wherein the loudspeaker housing is designed in such a way that the loudspeaker (6) has an open front volume.
wobei das Frontvolumen des Lautsprechers (6) dadurch offen gestaltet ist, dass die Lautsprechermembran (24) schallabgabeseitig zu einem Großteil deren Fläche, vorzugsweise zu wenigstens 50 Prozent, bevorzugt vollflächig, von einer Gehäusewandung des Lautsprechergehäuses freigehalten ist.Hearing device (1) according to claim 2,
The front volume of the loudspeaker (6) is designed to be open in that the loudspeaker membrane (24) is kept free of a housing wall of the loudspeaker housing on the sound emission side over a large part of its surface, preferably at least 50 percent, preferably the entire surface.
wobei der Lautsprecher (6) mittels einer Dämpfungsmatte (14) fest mit einer Bodenwand (26) der Lautsprecherbox (12) verbunden ist.Hearing device (1) according to one of Claims 1 to 3,
the loudspeaker (6) being firmly connected to a bottom wall (26) of the loudspeaker box (12) by means of a damping mat (14).
wobei die Dämpfungsmatte (14) eine aus einem Elastomer gebildete Stützschicht (30) aufweist, die zwischen dem Lautsprecher (6) und der Lautsprecherbox (12) wenigstens eine mit einem Fluid gefüllte Dämpferkammer (36) bildet.Hearing device (1) according to claim 4,
wherein the damping mat (14) has a support layer (30) formed from an elastomer, which forms at least one damping chamber (36) filled with a fluid between the loudspeaker (6) and the loudspeaker box (12).
wobei Stützschicht (30) eine Anzahl von säulenartigen Stützelementen (32) aufweist, die die Dämpferkammer (36) gegen den Lautsprecher (6), die Lautsprecherbox (12) oder eine Deckschicht (34) der Dämpfungsmatte (14) abstützen.Hearing device (1) according to claim 5,
the backing layer (30) comprising a number of columnar support members (32) supporting the damper chamber (36) against the loudspeaker (6), loudspeaker box (12) or a cover layer (34) of the damping mat (14).
wobei die Lautsprecherbox (12) aus einer weichmagnetischen Legierung mit hoher magnetischer Permeabilität gebildet ist.Hearing device (1) according to one of Claims 1 to 6,
wherein the loudspeaker box (12) is formed from a soft magnetic alloy with high magnetic permeability.
wobei die Lautsprecherbox (12) aus zwei Teilschalen gebildet ist und wobei der Lautsprecher (6) an der dem Gehäuse (2) der Hörvorrichtung (1) zugewandten Bodenwand (26) befestigt ist.Hearing device (1) according to one of Claims 1 to 7,
the loudspeaker box (12) being formed from two partial shells and the loudspeaker (6) being fastened to the base wall (26) facing the housing (2) of the hearing device (1).
wobei die Lautsprecherbox (12) mittels einer Simulation in Bezug auf eine möglichst geringe Resonanz sowohl bei Luftschall- als auch bei Körperschall-Anregung ausgelegt ist.Hearing device (1) according to one of Claims 1 to 8,
the loudspeaker box (12) being designed by means of a simulation in relation to the lowest possible resonance both for airborne sound and for structure-borne sound excitation.
wobei die Lautsprecherbox (12) eine mittels eines Elastomers abgedichtete Leitungsdurchführung aufweist, durch die Anschlussleitungen des Lautsprechers (6) hindurchgeführt sind.Hearing device (1) according to one of Claims 1 to 9,
wherein the loudspeaker box (12) has a line bushing sealed by means of an elastomer, through which connecting lines of the loudspeaker (6) are passed.
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DE102021206011.0A DE102021206011A1 (en) | 2021-06-14 | 2021-06-14 | hearing device |
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EP4106348A1 true EP4106348A1 (en) | 2022-12-21 |
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EP3337192B1 (en) * | 2016-12-16 | 2021-04-14 | Sonion Nederland B.V. | A receiver assembly |
JP2019145962A (en) * | 2018-02-19 | 2019-08-29 | オンキヨー株式会社 | earphone |
WO2020255596A1 (en) * | 2019-06-21 | 2020-12-24 | ソニー株式会社 | Acoustic output device |
EP4022942A1 (en) * | 2019-08-30 | 2022-07-06 | Starkey Laboratories, Inc. | Hearing instruments with receiver positioned posterior to battery |
US11234085B2 (en) * | 2019-11-21 | 2022-01-25 | Bose Corporation | Earpieces and related articles and devices |
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2021
- 2021-06-14 DE DE102021206011.0A patent/DE102021206011A1/en active Pending
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2022
- 2022-05-05 EP EP22171850.5A patent/EP4106348A1/en active Pending
- 2022-06-07 CN CN202221406328.XU patent/CN218587332U/en active Active
- 2022-06-14 US US17/839,788 patent/US20220400335A1/en active Pending
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US20080112584A1 (en) * | 2006-11-09 | 2008-05-15 | Phonak Ag | Support mount for electronic components |
US20140153755A1 (en) * | 2011-02-01 | 2014-06-05 | Phonak Ag | Hearing device with a transducer module and method for manufacturing a transducer module |
US20160277852A1 (en) * | 2015-03-19 | 2016-09-22 | Sivantos Pte. Ltd. | Hearing device, particularly hearing aid |
DE102018221807A1 (en) * | 2018-01-08 | 2019-07-11 | Knowles Electronics, Llc | AUDIO DEVICE WITH CONTEXTUALLY ACTUATED VALVE |
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