EP2557816A2 - Assemblage d'un composant de traitement de signaux dans un boîtier d'un appareil auditif - Google Patents

Assemblage d'un composant de traitement de signaux dans un boîtier d'un appareil auditif Download PDF

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Publication number
EP2557816A2
EP2557816A2 EP12175401A EP12175401A EP2557816A2 EP 2557816 A2 EP2557816 A2 EP 2557816A2 EP 12175401 A EP12175401 A EP 12175401A EP 12175401 A EP12175401 A EP 12175401A EP 2557816 A2 EP2557816 A2 EP 2557816A2
Authority
EP
European Patent Office
Prior art keywords
housing
frame
opening
signal processing
end position
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
EP12175401A
Other languages
German (de)
English (en)
Other versions
EP2557816A3 (fr
EP2557816B1 (fr
Inventor
Sebastian Lackert
Marco Lederer
Hartmut Ritter
Friedrich Zenk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sivantos Pte Ltd
Original Assignee
Siemens Medical Instruments Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2557816A2 publication Critical patent/EP2557816A2/fr
Publication of EP2557816A3 publication Critical patent/EP2557816A3/fr
Application granted granted Critical
Publication of EP2557816B1 publication Critical patent/EP2557816B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • 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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • H04R1/086—Protective screens, e.g. all weather or wind screens
    • 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
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/405—Arrangements for obtaining a desired directivity characteristic by combining a plurality of transducers
    • 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
    • H04R25/607—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of earhooks

Definitions

  • the present invention relates to a hearing device comprising a housing having a first opening and a second opening and a frame in or on which a signal processing component is mounted and which is insertable into the first opening of the housing to an end position. Moreover, the present invention relates to a method for mounting a frame with a signal processing component in a housing of a hearing device, which has a first opening and a second opening by the frame is pushed into the first opening of the housing to an end position.
  • a hearing device here means any device which can be worn in or on the ear and triggers a stimulus, in particular a hearing device, a headset, headphones and the like.
  • Hearing aids are portable hearing aids that are used to care for the hearing impaired.
  • 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 (ITE), e.g. Concha hearing aids or canal hearing aids (ITE, CIC).
  • BTE behind-the-ear hearing aids
  • RIC hearing aid with external receiver
  • ITE in-the-ear hearing aids
  • ITE in-the-ear hearing aids
  • ITE in-the-ear hearing aids
  • ITE concha hearing aids or canal hearing aids
  • the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
  • 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.
  • 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 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 in 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
  • Hearing aids are sensitive to dust and water, which can penetrate into microphone openings. Therefore, the microphone inputs are often protected with membranes. These membranes are usually welded to the housing shell of the hearing aid.
  • Housing shells often have the shape of a bottle.
  • a frame In such a bottle-shaped housing, a frame is inserted, which carries a variety of signal processing components such as microphones, amplifiers and listeners.
  • signal processing components such as microphones, amplifiers and listeners.
  • it is not easy to create a soundproof connection between the frame and the housing shell in the area of the microphones. Specifically, it should be avoided that, for example, sound from the listener passes through the interior of the housing to the microphone or microphones. A small gap between the frame and the housing would most likely lead to feedback or, for example, affect the directionality of a microphone system.
  • the object of the present invention is therefore to propose a hearing device in which a signal processing component attached to a frame can be mounted in a suitable manner on an opening of a housing.
  • a hearing device having a housing, which has a first opening and a second opening, and a frame, in or on which a signal processing component is fastened, and which can be pushed into the first opening of the housing up to an end position, wherein in the housing a ramp is arranged, which cooperates with the frame so that the frame when inserted into the housing along a direction of insertion only in a section to the end position, which is less than 30% of the insertion distance from the first opening to the end position is also moved perpendicular to the insertion direction to the second opening, wherein the signal processing component is mounted in the end position soundproof to the interior of the housing at the second opening.
  • a method of mounting a frame having a signal processing component in a housing of a hearing device having a first opening and a second opening by inserting the frame into the first opening of the housing to an end position, the frame being inserted into the housing along a direction of insertion through a ramp in the housing only in a section up to the end position which is smaller than 30% of the insertion distance from the first opening to the end position, also being moved perpendicular to the insertion direction towards the second opening, wherein the signal processing component is mounted in the end position soundproof to the interior of the housing at the second opening.
  • a ramp is arranged in the housing, which deflects an insertion movement of the frame so that the insertion movement at the end of the insertion process receives a movement component which is perpendicular to the initial insertion direction.
  • the signal processing component is mounted in the end position soundproof with respect to the interior of the housing at the second opening.
  • the soundproofing is achieved in that the frame is pressed in the region of the second opening by the movement component perpendicular to the insertion direction of the housing. In this way, acoustic feedback can be avoided over the interior of the housing.
  • the effect of the ramp is based on the fact that over a pitch angle not only a movement along an insertion direction in a movement in the direction perpendicular to the insertion direction is "translated", but also a force along a direction of insertion into a force in the direction perpendicular to the insertion direction.
  • the resulting normal force can be adjusted by the ratio of the two distances - insertion distance or normal movement to it - depending on a insertion force. Ie. the smaller the pitch angle or the flatter the ramp, the stronger the force action or in this case the applied contact pressure of the frame introduced into the housing onto an inner wall of the housing receiving the frame.
  • the portion or the ramp is shorter than 10% of the insertion distance. This has the advantage that the deflection of the insertion movement takes place just before the end position of the frame.
  • the ramp is realized by means of an insertable into the housing wedge.
  • the ramp is designed in one piece with the housing. Such a construction is particularly stable and can thus absorb greater forces.
  • the signal processing component may be a microphone. Then it is possible to place the microphone by the additional component of movement perpendicular to the insertion direction as close as possible to the second opening (sound inlet opening). Otherwise, if the signal processing component is, for example, a switch, this can be pressed by the movement perpendicular to the insertion direction in an opening whose opening edge spans a plane substantially parallel to the insertion direction.
  • the signal processing component may also be incorporated in a pocket. This isolates the signal processing component from the frame.
  • a microphone as a signal processing component can be acoustically isolated from the frame.
  • the bag may be formed integrally with the sealing element. In this way, the installation of the hearing aid can be simplified because no two separate components must be mounted.
  • the sealing element is formed of a rubbery or foam-like material. As a result, a sound-proof connection can usually be reliably established. Although such a material has a high coefficient of friction and would represent a high resistance when inserting the frame to the housing, but in that the pressing of the frame with the sealing element until the last phase of the insertion takes place, created by the sealing element during insertion virtually no resistance.
  • At the second opening may also be arranged a membrane.
  • a membrane keeps dirt and water from the signal processing component underlying the second opening.
  • the signal processing components attached to the frame can be mounted in a particularly suitable manner on an opening of the housing, wherein the signal processing components are mounted in the end position soundproof with respect to the interior of the housing at the second opening. In this way, acoustic feedbacks on the interior of the housing and contamination of the interior of the housing are avoided.
  • FIG. 2 shown hearing aid has a housing 10 which has a bottle-shaped shape.
  • Under bottle shape is understood here also a cup shape or the like.
  • the bottle-shaped housing 10 has an opening 11 into which a frame 12 is inserted.
  • the frame 12 serves as a carrier for numerous signal processing components of the hearing aid.
  • signal processing components are microphones 13 and 14, an amplifier electronics 15 and a receiver 16.
  • the frame 12 may also carry other components.
  • switch, battery, sound channels and the like By way of example may be mentioned here: switch, battery, sound channels and the like.
  • the first opening 11 of the bottle-shaped housing 10 is closed by a battery lid 17 here.
  • a battery 18 is mounted in the battery cover 17, a battery 18 is mounted. Connection elements 19 for the battery 18 are also integrated in the frame 12.
  • the carrying hook 20 has a sound channel 21 into which sound is coupled in via a receiver 22 by the receiver 16.
  • the frame 12 When mounting the hearing aid, the frame 12 is first equipped with the signal processing components 13, 14, 15, 16, etc. Then the assembled frame 12 is inserted into the bottle-shaped housing 10. Finally, the battery 18 is inserted and the battery lid 17 is closed.
  • An essential aspect of the satisfactory functionality of the hearing aid is that, among other things, there are as few feedbacks as possible from the earphone 16 within the housing 10 to the microphones 13, 14. However, this means that the outputs of the microphones 13, 14 must be sealed as sound-proof as possible relative to the interior of the housing 10.
  • each of the microphones 13, 14 is surrounded by a pocket 25, 26 of a rubber-like material.
  • These pockets 25, 26 have the function of keeping the microphones 13, 14 acoustically damped in the frame 12.
  • the pockets 25, 26, as in the enlarged view of FIG. 3 becomes clear, a circular sealing lip as a sealing member 27 which projects beyond the surface of the frame 12 and is pressed by a corresponding frame shoulder 28 to a housing portion 29 which surrounds the opening 23.
  • the frame 12 is provided by a ramp 30 located inside the housing 10 at its bottom opposite the opening 11, at the end of the insertion movement towards the opening 23 (second opening) for the signal processing component or the microphone 13 is moved.
  • the ramp 30 is formed integrally with the housing 10.
  • the insertion of the frame 12 into the bottle-shaped housing 10 initially takes place via the essential insertion path along an insertion direction 31, which runs essentially parallel to a center line of the housing interior. In the present example, slightly more than 90% of the insertion path initially along this insertion direction 31.
  • This ramp 30 has here, for example, a surface 32, which is approximately at an angle of 30 ° opposite the inner wall 33 of the housing 10 extends.
  • the frame 12 has a corresponding chamfer 34 so that the insertion movement is here at least partially deflected upward to the opening 23.
  • the insertion movement is replaced by the ramp 30, a component 35 perpendicular to the insertion direction 31.
  • the frame 12 including the sealing lip 27 is pressed against the ramp 30 opposite inner wall of the housing 10 in the region of the opening 23.
  • the angle of the surface 32 of the ramp 30 with respect to the housing inner wall 33 and the length of the ramp 30 in the insertion direction 31 at least define the contact pressure of the frame 12 with respect to the housing inner wall.
  • the contact pressure determines the quality of the soundproofness of the microphone 13 with respect to the interior of the housing.
  • the soundproofness in turn determines the acoustic stability and / or the quality of the directional characteristic of the microphone system.
  • the frame 12 transverse to the insertion direction 31 has a smaller dimension than the interior of the housing 10. This rubs the sealing member 27 and the sealing lip during insertion is not on the housing inner wall, so that it is not moved or damaged and the insertion force can remain low.
  • the ramp 30 is formed by a wedge introduced into the housing 10.
  • the ramp 30 formed by the wedge is in the Fig. 3 indicated by a dashed line.
  • a particular advantage of such a "retrofittable and replaceable" wedge is the possibility of a choice of material and the shape and dimensions of the wedge. This allows relevant mechanical Properties of the ramp 30 and the wedge are easily determined.
  • this allows the desired contact pressure of the frame 12 to be adjusted to the housing inner wall 33.
  • the material of the wedge - elastic or rigid - the inclination of the ramp formed by the wedge 30 - flat or steep - and the size of the wedge thereby determine the contact pressure of the frame 12 to the housing 10, so that an optimal soundproof connection between the frame 12th and the housing inner wall 33 in the region of the microphones 13, 14 can be reached.
  • this can be firmly fixed in a preferred embodiment, for example, glued, welded or the like.
  • the wedge may be loosely inserted into the housing.
  • both the wedge 30 forming the ramp 30 and the frame 12 can be held firmly in position.
  • Such a wedge can be easily replaced or replaced.
  • this frame 12 can be influenced by targeted choice of its wall thickness in its mechanical properties.
  • the ramp 30 or the wedge is designed to be elastic. This can be done either by suitable choice of the material of the wedge and / or by its realization as a frame - see. above - to be reached. This not only allows you to set the desired contact pressure, but at the same time the material of the hearing are optimally protected.
  • the example presented above relates to a behind-the-ear hearing aid.
  • the inventive concept can also be used for example for in-the-ear hearing aids or other hearing devices.
  • a higher acoustic stability and a higher gain can be achieved especially in directional microphones, especially when devices are built with a bottle-shaped housing and inserted frame.
  • the users of these hearing devices thereby benefit in particular with regard to speech intelligibility and sound impression.

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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)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Headphones And Earphones (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP12175401.4A 2011-08-08 2012-07-06 Assemblage d'un composant de traitement de signaux dans un boîtier d'un appareil auditif Active EP2557816B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011080609.1A DE102011080609B4 (de) 2011-08-08 2011-08-08 Montage einer Signalverarbeitungskomponente in einem Gehäuse einer Hörvorrichtung

Publications (3)

Publication Number Publication Date
EP2557816A2 true EP2557816A2 (fr) 2013-02-13
EP2557816A3 EP2557816A3 (fr) 2016-06-29
EP2557816B1 EP2557816B1 (fr) 2018-04-25

Family

ID=46578841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12175401.4A Active EP2557816B1 (fr) 2011-08-08 2012-07-06 Assemblage d'un composant de traitement de signaux dans un boîtier d'un appareil auditif

Country Status (4)

Country Link
US (1) US8644541B2 (fr)
EP (1) EP2557816B1 (fr)
DE (1) DE102011080609B4 (fr)
DK (1) DK2557816T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9179228B2 (en) * 2011-12-09 2015-11-03 Sophono, Inc. Systems devices, components and methods for providing acoustic isolation between microphones and transducers in bone conduction magnetic hearing aids
CN104349256B (zh) * 2013-07-30 2018-12-07 西万拓私人有限公司 用于听力设备的送话器模件制动装置
DE102015208845B3 (de) * 2015-05-13 2016-08-11 Sivantos Pte. Ltd. Hörgerät
CN106358131A (zh) * 2016-08-29 2017-01-25 苏州倍声声学技术有限公司 一种骨传导助听器
WO2021123048A1 (fr) * 2019-12-19 2021-06-24 Gn Hearing A/S Manchon d'étanchéité pour la protection de composants dans un dispositif auditif
CN115004719A (zh) * 2020-01-07 2022-09-02 科利耳有限公司 声学端口盖

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6041128A (en) * 1994-01-31 2000-03-21 Rion Kabushiki Kaisha Battery receiving chamber and hearing aid
US5818946A (en) * 1996-03-22 1998-10-06 Walter; Dieter Waldemar Ruggedized solar charged hearing aid
DE202004019744U1 (de) * 2004-12-22 2005-03-03 Türk + Türk Electronic GmbH Hinter-dem-Ohr-Hörgerät
DE102007047335A1 (de) * 2007-10-04 2009-04-09 Siemens Medical Instruments Pte. Ltd. Hörgerät
DK2219392T3 (da) * 2009-02-17 2018-08-27 Sivantos Pte Ltd Mikrofonmodul til en høreindretning
EP2416595B1 (fr) * 2010-08-03 2016-08-31 Sivantos Pte. Ltd. Appareil auditif doté d'un boîtier moulé par injection en une pièce

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
DE102011080609B4 (de) 2016-10-27
DE102011080609A1 (de) 2013-02-14
EP2557816A3 (fr) 2016-06-29
US20130202139A1 (en) 2013-08-08
DK2557816T3 (da) 2018-08-06
EP2557816B1 (fr) 2018-04-25
US8644541B2 (en) 2014-02-04

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