EP2515556A2 - Réduction des contre-réactions acoustiques par le raccourcissement de l'appareil auditif par technique de vibration - Google Patents

Réduction des contre-réactions acoustiques par le raccourcissement de l'appareil auditif par technique de vibration Download PDF

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Publication number
EP2515556A2
EP2515556A2 EP12161537A EP12161537A EP2515556A2 EP 2515556 A2 EP2515556 A2 EP 2515556A2 EP 12161537 A EP12161537 A EP 12161537A EP 12161537 A EP12161537 A EP 12161537A EP 2515556 A2 EP2515556 A2 EP 2515556A2
Authority
EP
European Patent Office
Prior art keywords
hearing aid
housing part
housing
connection
hook
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
EP12161537A
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German (de)
English (en)
Other versions
EP2515556B1 (fr
EP2515556A3 (fr
Inventor
Endre Barti
Hartmut Ritter
Michael Sattler
Christian Weistenhöfer
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
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Publication date
Application filed by Siemens Medical Instruments Pte Ltd filed Critical Siemens Medical Instruments Pte Ltd
Publication of EP2515556A2 publication Critical patent/EP2515556A2/fr
Publication of EP2515556A3 publication Critical patent/EP2515556A3/fr
Application granted granted Critical
Publication of EP2515556B1 publication Critical patent/EP2515556B1/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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically

Definitions

  • the invention relates to a hearing aid.
  • Hearing aids generate acoustic feedbacks (feedback), which are caused by various design features.
  • Two key features that affect feedback are the weight and length of the hearing aid. Therefore, especially high performance hearing aids (so-called super power devices) with a high gain and heavy batteries tend to generate feedback in the acoustic range between 2 and 6 kHz. In almost all cases, therefore, sufficient amplification can not be achieved in directional microphone mode.
  • Such hearing aids are usually designed as behind-the-ear hearing aids (BTE) and have a housing which is worn behind the ear by means of a hook. The housing encloses the speaker (earphone) and houses batteries for power supply.
  • BTE behind-the-ear hearing aids
  • the object of the invention is to provide a hearing aid which has reduced feedback. This object is achieved by the hearing aid according to claim 1.
  • the invention relates to a hearing aid comprising a housing in which a receiver and a battery are arranged, wherein the housing has a first housing part and a second housing part, which are connected to one another via a connection, wherein at least one housing part or a damping element provided in the connection is formed of an elastic material.
  • the damping element is preferably arranged between the first and the second housing part.
  • the hearing aid may be a behind-the-ear hearing aid with a hook.
  • the first housing part is formed from an elastic material.
  • the battery is arranged in the first housing part.
  • the receiver is arranged in the second housing part.
  • the battery is arranged in the first housing part and the receiver in the second housing part.
  • the second housing part is formed of a non-elastic material.
  • non-elastic material is a thermoset plastic, in particular ABS.
  • the elastic material be an elastomeric plastic, e.g. Silicone rubber, a thermoplastic elastomer (TPE) or a fluoroelastomer such as Viton® is.
  • elastomeric plastic e.g. Silicone rubber, a thermoplastic elastomer (TPE) or a fluoroelastomer such as Viton® is.
  • connection between the first and second housing part is a plug connection, screw connection or bayonet connection.
  • the decoupling can be achieved by a damping element which is arranged between the first and second housing part, for example a ring or a disk of damping material, for example an elastomeric material.
  • a housing part preferably the part which contains the battery, may be formed from a damping material, eg an elastomeric material.
  • the other housing part can accommodate the microphone and the handset and from a rigid, non-elastic material, such as a thermoset material or a rigid thermoplastic material may be formed.
  • the inventors have found that already a decoupling of the hook from the rest of the housing by a compound containing a damping element is an effective measure for the reduction of feedback.
  • An even more effective damping is possible if the housing is divided into two housing parts, wherein in one housing part the battery and the other housing part of the listener is housed and wherein a housing part made of an elastic or soft damping material or a damping element between the two housing parts is arranged.
  • the embodiment with a housing part made of an elastic or soft damping material has proved in experiments as the most effective measure for suppressing feedback.
  • FIG. 1 1 schematically shows a BTE hearing aid 1 according to the prior art, with a rigid housing 11, microphone opening 13, hook 15 and a connection 17 for a hearing tube (not shown), which leads into the ear.
  • the housing 11 is integrally formed integrally with the hook 15.
  • FIG. 2 schematically shows a first embodiment of a hearing aid 1 'according to the invention, with a first housing part 111 and second housing part 112.
  • a battery (not shown) is arranged in the first housing part 111.
  • the microphone behind a microphone opening 13 and the receiver (not shown) are arranged.
  • the first housing part 111 is formed from an elastomeric plastic, for example TPE.
  • the connection 19 is designed as a simple plug-in or latching connection.
  • FIG. 3 schematically shows a second embodiment of a hearing aid 1 'according to the invention, with a first housing part 111 and second housing part 112.
  • a battery (not shown) is arranged in the first housing part 111.
  • the microphone 13 and the handset (not shown) are arranged in the second housing part 112, the microphone 13 and the handset (not shown) are arranged in the second housing part 112, the microphone 13 and the handset (not shown) are arranged.
  • the first housing part 111 is formed of a Duroplastvasesstoff.
  • the connection 19 ' is designed as a simple plug connection, wherein a damping element made of elastomeric material between the first housing part 111 and the second housing part 112 is arranged.
  • FIG. 4 schematically shows a third embodiment of a hearing aid according to the invention, in which the hook 151 is connected via a damped connection 191 with the first housing part 111 '.
  • a battery not shown
  • the handset not shown
  • FIG. 5 shows the hook 151 with connecting elements 193, 195, 197 according to the third embodiment FIG. 4 .
  • the connection here comprises a damping element 193 made of a damping soft material, for example TPE, and first connecting element 195, which act together as a bayonet closure.
  • first connecting element 195 which act together as a bayonet closure.
  • second connection element 197 is arranged.
  • FIG. 6 shows the hook 151 with connecting elements 193, 195, 197 according to the third embodiment FIG. 4 or 5 in a sectional view.
  • FIG. 8 shows a diagram showing the feedback behavior of the hearing aid according to the invention according to the embodiment according to Figure 4-6 represents.
  • This embodiment has a damping element between the hook and the rest of the housing.
  • the dashed line shows the feedback behavior of a hearing aid according to the prior art with a one-piece, rigid housing. At approx. 4 kHz and 6 kHz, high maxima of the transfer function can be seen.
  • the solid thin line shows the feedback behavior of the hearing aid according to the invention with a damping element between the hook and the rest of the housing, which is the embodiment according to FIGS. 4 to 6 equivalent. It can be seen that the sharply delimited maxima are no longer present at approx.
  • this damping measure is surprisingly well suited to minimize feedback effectively if the same construction with a housing part made of an elastic or soft damping material is more effective (see. Fig. 7 where the feedback is completely suppressed at about 6-7 kHz).
EP12161537.1A 2011-04-21 2012-03-27 Réduction des contre-réactions acoustiques par le raccourcissement de l'appareil auditif par technique de vibration Active EP2515556B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011007848A DE102011007848A1 (de) 2011-04-21 2011-04-21 Reduktion von akustischen Rückkopplungen durch vibrationstechnische Verkürzung des Hörgeräts

Publications (3)

Publication Number Publication Date
EP2515556A2 true EP2515556A2 (fr) 2012-10-24
EP2515556A3 EP2515556A3 (fr) 2013-05-01
EP2515556B1 EP2515556B1 (fr) 2016-07-20

Family

ID=46000729

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12161537.1A Active EP2515556B1 (fr) 2011-04-21 2012-03-27 Réduction des contre-réactions acoustiques par le raccourcissement de l'appareil auditif par technique de vibration

Country Status (4)

Country Link
US (1) US8855346B2 (fr)
EP (1) EP2515556B1 (fr)
DE (1) DE102011007848A1 (fr)
DK (1) DK2515556T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5888879B2 (ja) * 2011-06-02 2016-03-22 株式会社ミツバ 駆動装置、及び停止位置検出方法
EP3437330B1 (fr) * 2016-04-01 2021-06-09 Widex A/S Suspension d'un haut-parleur dans un appareil auditif

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080085024A1 (en) 2005-05-25 2008-04-10 Widex A/S Hook for a hearing aid
US20100208927A1 (en) 2009-02-17 2010-08-19 Hartmut Ritter Microphone module for a hearing device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19825998C2 (de) * 1998-06-10 2003-01-30 Siemens Audiologische Technik Am Kopf tragbares Hörgerät
EP1120010B1 (fr) * 1998-10-07 2010-04-21 Oticon A/S Prothese auditive
WO2003088710A1 (fr) 2002-04-18 2003-10-23 Oticon A/S Transducteur electrique-acoustique pour appareil auditif
DE10248755B4 (de) * 2002-10-18 2006-04-06 Siemens Audiologische Technik Gmbh Dämpfungsvorrichtung für Hörgerätegehäuse
CH699444B1 (de) 2006-10-11 2010-03-15 Phonak Ag Hörgerät.
DE102007023054A1 (de) * 2007-05-16 2008-11-27 Siemens Medical Instruments Pte. Ltd. Ohrpassstück mit Adapterdichtung
DE102007061310A1 (de) * 2007-12-19 2009-06-25 Siemens Medical Instruments Pte. Ltd. Elektroakustischer Miniaturwandler mit Haltemittel zum Einbau in ein Hörgerät

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080085024A1 (en) 2005-05-25 2008-04-10 Widex A/S Hook for a hearing aid
US20100208927A1 (en) 2009-02-17 2010-08-19 Hartmut Ritter Microphone module for a hearing device

Also Published As

Publication number Publication date
DK2515556T3 (da) 2016-11-14
US20120269370A1 (en) 2012-10-25
US8855346B2 (en) 2014-10-07
EP2515556B1 (fr) 2016-07-20
EP2515556A3 (fr) 2013-05-01
DE102011007848A1 (de) 2012-10-25

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