EP2219392A2 - Module de microphone pour appareil auditif - Google Patents

Module de microphone pour appareil auditif Download PDF

Info

Publication number
EP2219392A2
EP2219392A2 EP10153249A EP10153249A EP2219392A2 EP 2219392 A2 EP2219392 A2 EP 2219392A2 EP 10153249 A EP10153249 A EP 10153249A EP 10153249 A EP10153249 A EP 10153249A EP 2219392 A2 EP2219392 A2 EP 2219392A2
Authority
EP
European Patent Office
Prior art keywords
microphone
housing
module
hearing device
hearing
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
EP10153249A
Other languages
German (de)
English (en)
Other versions
EP2219392A3 (fr
EP2219392B1 (fr
Inventor
Hartmut Ritter
Michael Sattler
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 EP2219392A2 publication Critical patent/EP2219392A2/fr
Publication of EP2219392A3 publication Critical patent/EP2219392A3/fr
Application granted granted Critical
Publication of EP2219392B1 publication Critical patent/EP2219392B1/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
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational 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
    • H04R25/45—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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • 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

Definitions

  • the present invention relates to a microphone module for a hearing device.
  • a hearing device is understood to mean any sound-emitting device that can be worn in or on the ear or on the head, in particular a hearing aid, 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 (IDO), e.g. Concha hearing aids or canal hearing aids (ITE, CIC).
  • BTE behind-the-ear hearing aids
  • RIC hearing aid with external receiver
  • IDO in-the-ear hearing aids
  • ITE 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 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 she.
  • 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
  • one of the main problems in achieving these high demands is the structure-borne noise and feedback suppression on the microphones. It is in principle to be avoided that structure-borne noise is transmitted from a built-in hearing aid housing handset directly to the or also in the hearing aid housing built-in microphones. If the feedbacks are too high, then either the amplification is to be reduced or appropriate damping measures are to be provided.
  • Attenuation measures are usually only that the microphones are stored in an elastic shell.
  • An interference fit clamps the microphones so mounted against the housing and / or its internal rack (frame).
  • the object of the present invention is thus to be able to better dampen the structure-borne noise in hearing aids with high amplification.
  • a microphone module for a hearing device is provided with a module housing which is not part of the housing of the hearing device, a microphone including a microphone housing which is arranged in the module housing, an inductive receiver arranged in the module housing, and a bearing device for elastic bearings the module housing in the housing of the hearing device.
  • a microphone including a microphone housing which is arranged in the module housing, an inductive receiver arranged in the module housing, and a bearing device for elastic bearings the module housing in the housing of the hearing device.
  • the additional receiver can also be used to change the mass of the module so that the coupling between the module and the hearing device housing can be varied as a result.
  • the microphone is additionally decoupled from the housing of the hearing device by the module housing.
  • high gains can be realized with less risk of feedback.
  • a further microphone with its own microphone housing is housed in the module housing. This results in the same high quality decoupling for both microphones.
  • the microphone can be contacted with a flexible printed circuit board, which is led out of the module housing. This would be an alternative to individually led stranded and brings advantages in the assembly.
  • the module housing is hermetically sealed except for one sound inlet opening for each microphone. This is particularly advantageous when the microphone module is installed in a hearing aid or another hearing device and due to the tightness no sound penetrates undesirably into the interior of the module housing and to the microphones.
  • the microphone housing may be mounted in the module housing with a body sound-damping microphone pocket.
  • a microphone pocket decouples the microphone housing or the microphone from the module housing with regard to the transmission of structure-borne noise.
  • the microphone pocket may have a sound conduit for guiding sound from a sound inlet opening of the module housing to an opening in the microphone housing.
  • a sound pipe connection can bring benefits when it comes to transmitting the sound as undisturbed as possible to each microphone.
  • the bearing device can have a plurality of rubber studs which can be plugged into or onto the housing of the hearing device. In this way, a robust and easy to install storage of the microphone module can be realized.
  • the described microphone module can be used in a hearing device that is designed as a hearing aid.
  • the risk of feedback is significantly reduced by a microphone module of this type in a hearing aid.
  • This in FIG. 2 reproduced microphone module is a separate easily installed in a hearing aid housing or from him easily removable unit. It has a module housing 10, in which two microphones 11, 12 are housed here. The microphones 11, 12 are supported by microphone pockets 13, 14 in the module housing 10. The module pockets 13, 14 each have a sound conductor stub 15, 16. About this sound pipe stub 15, 16 penetrates the male sound from the outside to the microphones 11, 12. To dampen structure-borne noise, the micro pockets 13, 14 made of a soft material such as rubber or Foam made. The housings of the microphones 11, 12 do not directly contact the module housing 10. As a result, structure-borne noise can only reach the microphone housings or the microphones 11, 12 via the microphone pockets 13, 14 from the module housing 10.
  • an inductive receiver 17 is arranged here between the microphones 11 and 12. It is only optional included in the microphone module. This can bring advantages in terms of wiring, because the inductive receiver 17 as the microphones 11, 12 is an input converter whose signals are to be transmitted to an amplifier.
  • the module housing 10 has a foot 18, on the outside of a rubber bearing element 19 is inserted.
  • This rubber bearing element 19 is in the 3 and 4 better to recognize. It has four nubs 20 here, which protrude in pairs to the side. They can be plugged into corresponding holders of a hearing aid housing (not shown).
  • a lid 21 is provided, which closes the module housing 10 upwards or outwards. He serves here at the same time for fixing the inductive receiver 17th
  • the microphone module is shown from its top, ie the outward-facing side.
  • the elongated shape of the microphone module can be seen, at the ends of each of the microphone inlets with the sound conduit 15, 16 are arranged.
  • the lid 21 extends in the central region of the module housing 10, the lid 21 extends.
  • FIG. 4 shows an oblique view of the microphone module, wherein the lid 21 is removed.
  • a flexible circuit board 22 which extends in the interior of the microphone module to the microphones 11, 12 and contacts them.
  • FIG. 5 the microphone module is shown installed in a hearing aid.
  • the figure shows a section through both the microphone module and the corresponding part of the hearing aid.
  • FIG. 5 shows a cladding 23 at the top.
  • the flexible printed circuit board 22 which is guided through a gap 24 in the module housing 10. A part of the circuit board 22 contacts the left microphone 11 and another part of the flexible circuit board 22 contacts the right microphone 12. Because the circuit board 22 is flexible, virtually no structure-borne noise from the hearing aid housing or a component located therein to the microphone module or to the microphones 11, 12 are transmitted.
  • the microphone module according to the invention integrates in this example the two microphones 11, 12 necessary for a directivity, as well as a hearing coil in an independent unit which is completely separated from the hearing aid housing 25 and is decoupled by an elastic bearing.
  • the sealing of the microphones 11, 12 within this module is - as was explained above - conventionally achieved by micro pockets 13, 14 with or without corresponding sound conduit 15, 16.
  • a particular advantage of the microphone module according to the invention is again the better decoupling of the microphones from the hearing aid housing or its internal rack (frame) to mention.
  • a hermetic seal against the hearing aid interior can be achieved. This has the consequence that the background noise can be better suppressed by the listener.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
EP10153249.7A 2009-02-17 2010-02-11 Module de microphone pour un dispositif auditif Active EP2219392B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009009274 2009-02-17

Publications (3)

Publication Number Publication Date
EP2219392A2 true EP2219392A2 (fr) 2010-08-18
EP2219392A3 EP2219392A3 (fr) 2013-02-20
EP2219392B1 EP2219392B1 (fr) 2018-05-16

Family

ID=42173813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10153249.7A Active EP2219392B1 (fr) 2009-02-17 2010-02-11 Module de microphone pour un dispositif auditif

Country Status (3)

Country Link
US (1) US20100208927A1 (fr)
EP (1) EP2219392B1 (fr)
DK (1) DK2219392T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2557816A3 (fr) * 2011-08-08 2016-06-29 Sivantos Pte. Ltd. Assemblage d'un composant de traitement de signaux dans un boîtier d'un appareil auditif
DE102015208845B3 (de) * 2015-05-13 2016-08-11 Sivantos Pte. Ltd. Hörgerät
EP3944636A1 (fr) 2020-07-21 2022-01-26 Sivantos Pte. Ltd. Appareil auditif et module d'appareil auditif

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011007848A1 (de) 2011-04-21 2012-10-25 Siemens Medical Instruments Pte. Ltd. Reduktion von akustischen Rückkopplungen durch vibrationstechnische Verkürzung des Hörgeräts
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
US10015602B2 (en) 2015-08-26 2018-07-03 Cochlear Limited Systems and methods for improving output signals from auditory prostheses
CN108429825B (zh) * 2018-02-14 2020-07-07 Oppo广东移动通信有限公司 电子组件和电子设备
CN108418912B (zh) * 2018-02-14 2020-07-07 Oppo广东移动通信有限公司 电子组件和电子设备

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE1078175B (de) * 1958-08-08 1960-03-24 Micro Technic Hueber & Co Hinter der Ohrmuschel zu tragendes Hoergeraet fuer Schwerhoerige
GB1044027A (en) * 1963-05-10 1966-09-28 Amplivox Ltd Improvements in and relating to hearing aids
CA2014960C (fr) * 1990-04-19 1995-07-25 Horst Arndt Prothese auditive modulaire
AU2068701A (en) * 1999-12-10 2001-06-18 Sonic Innovations, Inc. Hearing device shell with integrated windscreen and microphone suspension
US6786860B2 (en) * 2001-10-03 2004-09-07 Advanced Bionics Corporation Hearing aid design
DE10260303B3 (de) * 2002-12-20 2004-06-17 Siemens Audiologische Technik Gmbh Mikrofonmudul für ein Hörhilfegerät
US7532733B2 (en) * 2003-06-30 2009-05-12 Siemens Hearing Instruments, Inc. Feedback reducing receiver mount and assembly
US20070239294A1 (en) * 2006-03-29 2007-10-11 Andrea Brueckner Hearing instrument having audio feedback capability
WO2008071230A1 (fr) * 2006-12-13 2008-06-19 Phonak Ag Dispositif auditif et procédé pour le faire fonctionner
US20080159558A1 (en) * 2006-12-28 2008-07-03 Fortemedia, Inc. Internal microphone array or microphone module not affecting appearance of electronic device

Non-Patent Citations (1)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2557816A3 (fr) * 2011-08-08 2016-06-29 Sivantos Pte. Ltd. Assemblage d'un composant de traitement de signaux dans un boîtier d'un appareil auditif
DE102015208845B3 (de) * 2015-05-13 2016-08-11 Sivantos Pte. Ltd. Hörgerät
US9877122B2 (en) 2015-05-13 2018-01-23 Sivantos Pte. Ltd. Hearing device
EP3944636A1 (fr) 2020-07-21 2022-01-26 Sivantos Pte. Ltd. Appareil auditif et module d'appareil auditif
DE102020209123A1 (de) 2020-07-21 2022-01-27 Sivantos Pte. Ltd. Hörgerät und Hörgeräte-Modul
US11622204B2 (en) 2020-07-21 2023-04-04 Sivantos Pte. Ltd. Hearing device and hearing device module

Also Published As

Publication number Publication date
DK2219392T3 (da) 2018-08-27
EP2219392A3 (fr) 2013-02-20
EP2219392B1 (fr) 2018-05-16
US20100208927A1 (en) 2010-08-19

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