EP1272002B1 - Dispositif microphone pour prothèse auditive à placer derrière l'oreille - Google Patents

Dispositif microphone pour prothèse auditive à placer derrière l'oreille Download PDF

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Publication number
EP1272002B1
EP1272002B1 EP02013819A EP02013819A EP1272002B1 EP 1272002 B1 EP1272002 B1 EP 1272002B1 EP 02013819 A EP02013819 A EP 02013819A EP 02013819 A EP02013819 A EP 02013819A EP 1272002 B1 EP1272002 B1 EP 1272002B1
Authority
EP
European Patent Office
Prior art keywords
microphone
hearing aid
sound inlet
housing
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.)
Expired - Lifetime
Application number
EP02013819A
Other languages
German (de)
English (en)
Other versions
EP1272002A3 (fr
EP1272002A2 (fr
Inventor
Torsten Dr. Niederdränk
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 GmbH
Original Assignee
Siemens Audioligische Technik GmbH
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 Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1272002A2 publication Critical patent/EP1272002A2/fr
Publication of EP1272002A3 publication Critical patent/EP1272002A3/fr
Application granted granted Critical
Publication of EP1272002B1 publication Critical patent/EP1272002B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40Arrangements for obtaining a desired directivity characteristic
    • H04R25/402Arrangements for obtaining a desired directivity characteristic using contructional means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/38Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers

Definitions

  • the invention relates to a hearing aid worn behind the ear with a hearing aid housing and a microphone arranged in the hearing aid housing with a microphone housing.
  • microphones play a decisive role in modern hearing aids, since with directional microphone arrays often several individual microphones have to be integrated into the hearing aids.
  • the position of the microphones is often predetermined for acoustic reasons, so that the limits of miniaturization are quickly reached by the arrangement of the microphones and the design of the hearing aids is given.
  • Known microphones provide a microphone body, which is connected to a nozzle-shaped microphone inlet.
  • This sound inlet nozzle is inserted into a corresponding receptacle in the hearing aid housing, wherein the sound inlet nozzle for acoustic and mechanical reasons usually leads directly through the housing surface to the sound inlet opening in the hearing aid housing.
  • a microphone for an electric hearing aid is known, which is provided with a sound inlet nozzle.
  • the hearing aid in addition to a first microphone on another microphone, which is sensitive only for near-sound and coupled to a second input of the amplifier, both microphones are coupled to the associated inputs of the amplifier, that upon supply of the output signals of the two Microphones to the concerned Inputs of the amplifier, the amplifier provides almost no output signal, provided that the output signals of the two microphones are caused by near-noise.
  • a behind the ear portable hearing aid is known with a connected to an amplifier circuit microphone system.
  • the microphone system which includes at least one microphone and two sound inlets, the recording characteristic of the microphone system is changeable.
  • a microphone for placement in a hearing aid wherein the microphone has three sound entry openings, which are all arranged in a common plane.
  • the object of the present invention is to improve the arrangement of a microphone with a microphone housing in a hearing aid worn behind the ear.
  • a hearing aid worn behind the ear with a hearing aid housing and disposed in the hearing aid housing microphone with a microphone housing in that the hearing aid housing each has a sound inlet opening in opposite sides and arranged on two opposite sides of the microphone housing each a sound inlet nozzle with a sound inlet opening is, wherein the sound inlet nozzle protrude into the sound inlet openings of the hearing aid housing and wherein at least approximately the sound inlet opening of a sound inlet nozzle distal and the sound inlet opening of the other sound inlet nozzle is disposed proximal to the head of a hearing aid wearer with worn hearing aid.
  • the hearing aid designed in accordance with the invention enables in a simple manner the arrangement of lateral sound entry openings in the hearing device housing. Due to the small design of the microphone and the elimination of additional sound channels between the microphone and the sound inlet opening in the hearing device housing the microphone is possible both in the middle and at one end within the hearing aid housing.
  • the proposed arrangement has a microphone with two sound inlet nozzle. These are arranged on two opposite sides of the microphone and also give the incident sound signals access to the front microphone volume.
  • Microphones with opposite sound inlet nozzles can be integrated in a simple manner in hearing aid housing and allow with minimal space requirements a bilateral sound entry. The required for physical reasons cross-section of the sound inlet surface is thus distributed to the two sound inlet nozzle, whereby they can be made relatively small.
  • the sound channels between the lateral sound entry openings in the hearing aid housing and the microphone diaphragm are made very short and simple by the microphone according to the invention, which has an advantageous effect on the acoustic properties.
  • the sound inlet nozzles can advantageously simultaneously serve as means for fastening the microphone in the hearing device. Other fasteners can be omitted.
  • the microphone according to the invention accommodates both acoustic and design specifications.
  • the sound sockets of the microphone and the sound inlet openings in opposite sides of the hearing aid housing arranged on a common axis of symmetry.
  • the thus achieved symmetrical design of the microphone housing simplifies installation and alignment in the hearing aid housing. Furthermore, the moisture or contamination entering through a sound inlet opening can escape again through the opposite sound inlet opening or be blown out if necessary.
  • a directional microphone system can be realized.
  • all microphones are preferably designed according to the invention.
  • the simple space-saving placement of a microphone according to the invention in the housing of the hearing aid facilitates the placement of several such microphones within a hearing aid housing.
  • the microphone comprises a plurality of pairs of sound inlet nozzles, wherein each of the sound inlet nozzles of a pair are arranged on two opposite sides of the microphone housing and open into a chamber on one side of a microphone diaphragm.
  • the sound inlet nozzle of a pair are each introduced into a sound inlet opening in opposite sides of the hearing aid housing, wherein at least approximately the sound inlet opening of a sound inlet nozzle distal and the sound inlet opening of the other sound inlet nozzle of a pair is arranged proximal to the head with worn hearing aid.
  • FIGS. 1 to 3 a microphone in three side views.
  • FIGS. 4 and 5 show side views of a behind the ear portable hearing aid for the arrangement of a microphone according to the invention.
  • FIG. 6 shows a hearing aid worn behind the ear in section with a microphone arranged according to the invention.
  • FIG. 7 shows a microphone in cross section.
  • FIG. 1 shows a microphone 1 in plan view.
  • the microphone 1 has a microphone housing 2, on each of which a sound inlet connection 3 or 4 is arranged on two opposite sides.
  • the sound inlet ports 3 and 4 each form a sound inlet opening 3A and 4A at their free end and lead via their other end to a microphone chamber in the interior of the microphone 1.
  • the microphone 1 comprises three connection contacts 5, 6 and 7.
  • FIG. 2 shows the microphone 1 in a side view.
  • the housing 2 of the drawing plane outwardly facing sound inlet nozzle 3 is arranged with the sound inlet opening 3A. Furthermore, the drawing of the electrical connection contact 5 can be removed.
  • FIG. 3 is a front side of the microphone 1 shown. Also from this, the housing 2 with the two, arranged on opposite sides of the sound inlet nozzle 3 and 4 can be seen.
  • the hearing aid 8 comprises a hearing aid housing 9, at its upper end a Support hook 10 is formed.
  • the hearing aid housing 9 each have a sound inlet opening 11 and 12, in which the sound inlet nozzle for receiving the microphone according to the invention are introduced. Due to the space-saving arrangement of the microphone according to the invention in the hearing aid housing 9, the sound inlet openings 11 and 12 can be positioned almost arbitrarily on two opposite sides of the hearing aid housing 9. Preferably, the sound inlet openings 11 and 12 and thus the sound inlet nozzle of the respective microphone lie on a common axis.
  • FIG. 6 shows a simplified representation of a section through the hearing aid housing 9.
  • Two opposite housing shells 9A and 9B each have a sound inlet opening 11 and 12, which are formed by the two housing feedthroughs 11A and 12A.
  • the microphone 1 is supported on both sides of the sound inlet nozzle 3 and 4, which are positively inserted into the two housing bushings 11A and 12A.
  • the microphone 1 is pivotally mounted in the hearing aid housing 9.
  • the microphone 1 also has the electrical connection contacts 5, 6 and 7.
  • FIG. 6 the very space-saving accommodation of the microphone 1 within the hearing aid housing can be seen.
  • the microphone is held by means of the two sound inlet ports 3 and 4.
  • FIG. 6 the very short sound conduction paths from the sound inlet openings 11 and 12 into the interior of the microphone 1 can be removed. This has a positive effect on the acoustic properties of the hearing aid microphone unit.
  • FIG. 7 shows a schematic representation of a microphone 13 in cross section.
  • the microphone housing 14 On two opposite sides of the microphone housing 14 is the sound inlet nozzle pair 15 and 16 as well the sound inlet nozzle pair 17 and 18 attached.
  • the sound inlet nozzle 15 and 16 open on one side of a microphone diaphragm 23 and the sound inlet nozzle 17 and 18 on the opposite side of the microphone diaphragm 23.
  • the microphone 13 is formed as a differential microphone.
  • the sound inlet connection pieces 15 and 16 or 17 and 18 of a respective pair of sound entry nozzles are arranged along a common line of symmetry 24A or 24B.
  • any moisture or dirt entering through a sound inlet opening 19, 20, 21, 22 can escape or be blown out again on the other side.
  • a microphone with a microphone housing for placement in a hearing aid worn behind the ear with a hearing aid housing on two opposite sides of the microphone housing each have a sound inlet nozzle arranged with a sound inlet opening.
  • the sound inlet nozzles open into a chamber on one side of the microphone diaphragm, wherein the sound inlet nozzles are inserted into a respective receptacle in opposite sides of the hearing aid housing and wherein at least approximately the sound inlet opening of a sound inlet nozzle distal and the sound inlet opening of the other sound inlet nozzle is arranged proximal to the head with worn hearing aid ,
  • the trained microphone is space-saving and easy to arrange in the hearing aid.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Claims (4)

  1. Prothèse ( 8 ) auditive pouvant être portée derrière l'oreille et comprenant un boîtier ( 9 ) de prothèse auditive et un microphone ( 1, 13 ) disposé dans le boîtier de la prothèse auditive et ayant un boîtier ( 2, 14 ) de microphone,
    caractérisée en ce que le boîtier de la prothèse auditive a, sur des faces opposées, respectivement une ouverture ( 11, 12 ) d'entrée du son et respectivement une tubulure ( 3, 4, 15, 16, 17, 18 ) d'entrée du son ayant une ouverture ( 3A, 4A, 19, 20, 21, 22 ) d'entrée du son et disposée sur deux faces opposées du boîtier ( 2, 14 ) du microphone, les tubulures ( 3, 4, 15, 16, 17, 18 ) d'entrée du son pénétrant dans les ouvertures ( 11, 12 ) d'entrée du son du boîtier ( 9 ) de la prothèse auditive, et lorsque la prothèse ( 8 ) auditive est portée, au moins approximativement, l'ouverture ( 3A ) d'entrée du son de l'une des tubulures ( 3 ) d'entrée du son est disposée distalement et l'ouverture ( 4A ) d'entrée du son de l'autre tubulure ( 4 ) d'entrée du son est disposée proximalement à la tête d'un porteur de la prothèse auditive.
  2. Prothèse ( 8 ) auditive pouvant être portée derrière l'oreille suivant la revendication 1, caractérisée en ce que le microphone ( 13 ) comprend plusieurs paires de tubulures ( 15, 16, 17, 18 ) d'entrée du son, les tubulures d'entrée du son d'une paire étant disposées sur des faces opposées du boîtier du microphone.
  3. Prothèse ( 8 ) auditive pouvant être portée derrière l'oreille suivant la revendication 2, caractérisée en ce que les tubulures ( 15, 16, 17, 18 ) d'entrée du son d'une paire débouchent dans une chambre ( 25, 26 ) d'un côté d'une membrane ( 23 ) de microphone.
  4. Prothèse ( 8 ) auditive pouvant être portée derrière l'oreille suivant l'une des revendications 1 à 3, caractérisée en ce que respectivement deux tubulures ( 3, 4, 15, 16, 17, 18 ) d'entrée du son ainsi que respectivement deux ouvertures ( 11, 12 ) d'entrée du son sont disposées dans des faces opposées du boîtier ( 9 ) de l'appareil auditif sur un axe ( 24A, 24B ) commun de symétrie.
EP02013819A 2001-06-28 2002-06-21 Dispositif microphone pour prothèse auditive à placer derrière l'oreille Expired - Lifetime EP1272002B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10131214A DE10131214C1 (de) 2001-06-28 2001-06-28 Mikrofonanordnung in einem hinter dem Ohr tragbaren Hörgerät
DE10131214 2001-06-28

Publications (3)

Publication Number Publication Date
EP1272002A2 EP1272002A2 (fr) 2003-01-02
EP1272002A3 EP1272002A3 (fr) 2009-04-15
EP1272002B1 true EP1272002B1 (fr) 2009-12-02

Family

ID=7689785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02013819A Expired - Lifetime EP1272002B1 (fr) 2001-06-28 2002-06-21 Dispositif microphone pour prothèse auditive à placer derrière l'oreille

Country Status (5)

Country Link
US (1) US6724903B2 (fr)
EP (1) EP1272002B1 (fr)
AT (1) ATE450984T1 (fr)
DE (2) DE10131214C1 (fr)
DK (1) DK1272002T3 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1692918B1 (fr) * 2003-12-05 2018-08-15 Oticon A/S Dispositif de communication comportant un micro
US7542580B2 (en) * 2005-02-25 2009-06-02 Starkey Laboratories, Inc. Microphone placement in hearing assistance devices to provide controlled directivity
US8121320B2 (en) * 2008-01-11 2012-02-21 Songbird Hearing, Inc. Hearing aid
JP2010034990A (ja) * 2008-07-30 2010-02-12 Funai Electric Co Ltd 差動マイクロホンユニット
US20110085685A1 (en) * 2009-10-08 2011-04-14 Victor Kingsun Wai Sound Amp Ear Device with Ear Phone Jack
KR102008374B1 (ko) 2012-08-03 2019-10-23 삼성전자주식회사 휴대용 단말기의 입력장치
CN111477768B (zh) 2015-12-15 2023-04-07 默克专利有限公司 作为用于有机电子制剂的溶剂的含芳族基团的酯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802516A (nl) * 1988-10-13 1990-05-01 Philips Nv Hoorapparaat met rondzing onderdrukking.
DE29621611U1 (de) * 1996-12-12 1997-02-27 Siemens Audiologische Technik Gmbh, 91058 Erlangen Mikrofon, insbesondere für elektrische Hörhilfegeräte
US6151399A (en) * 1996-12-31 2000-11-21 Etymotic Research, Inc. Directional microphone system providing for ease of assembly and disassembly
DE19852758C2 (de) * 1998-11-16 2001-05-23 Siemens Audiologische Technik Hinter dem Ohr tragbares Hörhilfegerät

Also Published As

Publication number Publication date
DK1272002T3 (da) 2010-03-29
DE10131214C1 (de) 2003-01-09
ATE450984T1 (de) 2009-12-15
US6724903B2 (en) 2004-04-20
EP1272002A3 (fr) 2009-04-15
EP1272002A2 (fr) 2003-01-02
US20030002701A1 (en) 2003-01-02
DE50214032D1 (de) 2010-01-14

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