EP2302953B1 - Appareil auditif à conduction osseuse - Google Patents

Appareil auditif à conduction osseuse Download PDF

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Publication number
EP2302953B1
EP2302953B1 EP10008827A EP10008827A EP2302953B1 EP 2302953 B1 EP2302953 B1 EP 2302953B1 EP 10008827 A EP10008827 A EP 10008827A EP 10008827 A EP10008827 A EP 10008827A EP 2302953 B1 EP2302953 B1 EP 2302953B1
Authority
EP
European Patent Office
Prior art keywords
bone
conduction hearing
aid according
sound
vibration
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.)
Not-in-force
Application number
EP10008827A
Other languages
German (de)
English (en)
Other versions
EP2302953A3 (fr
EP2302953A2 (fr
Inventor
Henning Bruckhoff
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.)
Bruckhoff Hannover GmbH
Original Assignee
Bruckhoff Hannover 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 Bruckhoff Hannover GmbH filed Critical Bruckhoff Hannover GmbH
Publication of EP2302953A2 publication Critical patent/EP2302953A2/fr
Publication of EP2302953A3 publication Critical patent/EP2302953A3/fr
Application granted granted Critical
Publication of EP2302953B1 publication Critical patent/EP2302953B1/fr
Not-in-force 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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • 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
    • H04R2225/025—In the ear hearing aids [ITE] hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction 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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • H04R25/656—Non-customized, universal ear tips, i.e. ear tips which are not specifically adapted to the size or shape of the ear or ear canal
    • 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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts

Definitions

  • the invention relates to a bone conduction hearing aid.
  • Bone conduction hearing aids generally comprise a vibration transducer which is pressed against the head of the user with a sufficient contact force or pressure and emits vibrations which are conducted via bone of the head as sound waves to the inner ear.
  • they may also be e.g. be used with a closed outer ear or with outflow from the ear.
  • the attachment can be made on a bone of the user's head, generally the mastoid located somewhat behind the ear.
  • the attachment of the vibratory transducer is generally carried out by glasses or a suitable other headset.
  • the EP 1 967 893 A1 shows such a pair of hearing glasses with a Vibrationungskonduktor, wherein the attachment to ensure the contact force is carried out by the spectacle frame.
  • bone anchored hearing instruments are known in which the hearing aid is anchored in a bone, generally by a screw turned into the bone.
  • the anchoring protrudes thus out of the bone and the scalp upwards and ensures a firm connection of the vibrating condutor.
  • Such anchoring can only be done by surgery, but not e.g. be made by an acoustician.
  • the risk of infection is relatively large.
  • the US Pat. No. 6,603,863 B1 shows a bone conduction hearing aid, in which in the two ears of the user earplugs are used, which hold a bracket with a vibration transducer.
  • the vibration conductor is located on one Neck vertebrae on; the bracket is compared to the earplugs pivotable and spring-biased.
  • the US 2006/0056649 A1 shows a bone conduction hearing aid with a mold fitting to be inserted into the ear canal, in which a microphone is inserted.
  • the hearing aid further has a behind-the-ear part and an electrical connection line between the latter and the mold fitting. The hearing aid is thus placed as a hook around the ear.
  • the US 2008/0112581 A1 shows a headphone system for playing music pieces, z.
  • MP3 data in which earplugs are set to music input in both outer ears and in addition the supply of low-frequency components via one or two Vibrationskonduktoren done.
  • the earplugs are each connected via a hook-shaped hanging part with the BTE part.
  • the hanging parts can be placed around the outer ear to define on each side the position of the vibration conductor behind the outer ear; Furthermore, the placement of the vibrating conductor centrally on the head is possible by the two hook-shaped hanging parts are guided by each outer ear up to the center.
  • the invention has for its object to provide a bone conduction hearing aid that allows a secure connection and training of the contact force of the vibration with relatively little effort.
  • a mold fitting in particular an earmold, is placed in the ear canal and / or the concha, wherein the mold fitting is provided for supporting the contact force of the vibration coupler, i. for forming the counterforce is used to form the contact force of the vibration on a suitable bone of the user's head.
  • an elastic support arm is mounted, which is adjustable to a different positions or bending positions, and on the other in each of these set bending positions then each suitable for forming an elastic bending force or restoring force.
  • the mold fitting or earmold is open, i. formed with a continuous opening, so that the inner ear is still ventilated and, where appropriate, an outflow of secretions from the inner ear is made possible.
  • the use of the bone conduction system according to the invention is also made possible in those diseases in which sound introduction into the ear canal is problematic or impossible, e.g. if it comes from the middle ear, otitis media.
  • the mold fitting is advantageously pressure-free or without tension in the ear canal.
  • the mold fitting may not only abut the wall of the ear canal, but may additionally rest against the concha, e.g. with an annular area.
  • a mold fitting or an earmold can not only serve for safe reception, for example, of a sound tube, but is also suitable for supporting a holding arm, which is made of the concha or the outer ear, by its fit and the resulting uniform force distribution out to a bone of the user's head outside the outer ear.
  • the holding arm according to the invention in this case the elastic contact force or contact force can be exerted, wherein the mold fitting serves as an abutment for intercepting the contact force.
  • an electrical unit i. in particular a control device, user-actuated actuators e.g. for adjusting the volume as well as further an amplifier, according to different embodiments on the mold fitting, in the region of the vibration or even in an additional BTE area are arranged.
  • the microphone may also be included in the electrical unit;
  • an attachment in or on the mold fitting, in particular in the region of the continuous opening, is advantageous, so that a natural hearing sensation can be achieved.
  • a particular advantage of the invention is the variability of the positioning of the vibration transducer, which can be done on different bones.
  • it can firstly be attached to the mastoid or behind the ear, so that the holding arm is guided, for example, from the mold fitting first to the front and above the upper ear shell edge and behind the outer ear or the auricle back to the contact point to the mastoid ,
  • the holding arm can be guided forwardly by the mold fitting, for example for installation on the zygomatic bone or a jawbone, for example, in the area of the temporomandibular joint.
  • the respective selection of the contact point can be made depending on the anatomy of the user and / or aesthetic considerations.
  • the mold fitting itself can be formed as a standardized component or by an individual impression
  • the z. B. can make an acoustician in a conventional manner.
  • the holding arm is in this case either directly fixedly connected to the mold fitting or the earmold or solvable by e.g. a connector coupled, said connector is advantageously sufficiently stiff to not affect the transmission of the counterforce or the recording of the elastic support arm by a high compliance. Further adjustment is made by appropriately bending and adjusting the support arm, which may be done by the user himself or by an assistant, e.g. even the acoustician can do it.
  • a standardized holding arm can be used or a holding arm with a suitable length can be selected from a corresponding set of holding arms.
  • the electrical signal transmission may be effected by the support arm itself, e.g. may be formed of a plurality of individual wires twisted together, wherein the lines may optionally be part of the wires with aufrigrillt.
  • such a design of the support arm by twisting a plurality of individual wires allows the desired adjustability in under Kunststoffilche bending positions, in which, however, in each case an elasticity to form a restoring force is present.
  • several adjustments can be made without material fatigue.
  • a further development according to the invention comprises the additional use of a further sound-initiating system, the direct acoustic Waves output.
  • This further system may in particular be a hearing tube system, which is replaced by a z. B. arranged in the electrical field handset and an outgoing from the handset sound tube is formed.
  • the sound tube is z. B. in turn passed through the earmold and placed with its free end in the ear canal, the passage through the earmold is not completely closed.
  • a placement in the Concha area is possible.
  • Ex earphone Ex earphone
  • Ex earphone which outputs acoustic signals directly without a sound tube and is connected to the electrical area via lines.
  • a vibration system with a sound-emitting system, in particular a sound tube system
  • frequency ranges can be introduced differently. So sound waves of a lower frequency range, z. B. to about 1300 Hz, at least predominantly on the vibration and acoustic waves of a higher frequency range, z. B. above about 1300 Hz, at least in addition to the handset and the sound tube to be initiated.
  • a crossover can be provided in the electrical area or integrated in another component.
  • an advantageous overall effect can be achieved by the combination with a sound-emitting system, in particular sound tube system.
  • a bone conduction hearing aid 1 according to the invention is according to Fig. 1 attached to an outer ear 2 of a user.
  • the bone conduction hearing aid 1 has as an attachment means an earmold 3, which is set in an auditory canal 4 of the user and thus rests against the auditory canal wall 4a.
  • the earmold 3 is designed as a form fitting and can in particular be made individually for the respective user or the anatomy of his outer ear 2 and ear canal 4, for example by an impression; However, earmolds 3 can also be used as standardized components. According to the section of the Fig. 3 can the earmold 3 z. B. be in two parts.
  • the plant of the earmold 3 on the ear canal wall 4a can be done in particular pressure-free or without direct tension.
  • the earmold 3 Is open, ie it has a through opening 6, which thus the direct passage of sound waves from the outside into the ear canal 4 to the middle ear 5 and on to the inner ear and possibly an escape of liquids or secretions from the middle ear 5 through the ear canal 4 to the outside allows.
  • the continuous opening 6 advantageously extends centrally and axially. For example, it can taper towards the middle ear 5 in a funnel shape.
  • the earmold 3 is advantageously made of a rigid material, such as a sufficiently rigid plastic or rubber material, or also of metal. Sufficiently rigid here means that the counterforce is guaranteed to support the support arm.
  • the earmold 3 may also according to Fig. 3 rest in the concha 2a of the outer ear 2, for example, with an annular region. 7
  • a holding arm 10 connects, which extends from the outer ear 2 out and according to the Figures 1 and 2 different courses, possibly also have different lengths.
  • the holding arm 10 continues forward (with respect to the viewing direction of the user) forward over the tragus or incisura anterior, with a vibrating transducer 12 attached to a bone 13a of the user's head at the end of the holding arm 10.
  • the zygomatic bone or a bone in the region of the jaw for example, the temporomandibular joint anchorage, may be hereby only indicated.
  • Fig. 2 extends the support arm 10 curved, where it first, for example, again forward over the tragus or the incisura anterior and then concealed behind the upper pinna edge, ie behind the outer ear 2 extends to the rear, wherein the vibration 12 rests for example on here only indicated mastoid 13b of the head of the user.
  • this contact pressure force can already be exerted or supported by the support of the earmold 3 in the auditory canal 4 or the opposing force exerted thereby and optionally additionally by abutment of the area 7 on the concha 2a.
  • the elastic support arm 10 can be individually adjusted by cold bending to the shape and anatomy of the human head by the user or an assistant performing the adjustment, but after this deformation in the respectively set position or shape, it is in each case elastically adjustable.
  • the holding arm 10 can in particular according to Fig. 4 be formed by a plurality of twisted individual wires 11, wherein electrical leads 11a to the vibrating conductor 12 are twisted with, alternatively, however, in principle, however, for example, a flexible and elastic in its bending positions or a restoring force building tube used.
  • a control device 14 and actuatable by the user actuators 15 and an amplifier 17 may in particular according to Fig. 1, 2 be arranged in an electrical area 16 behind the outer ear 2 or the auricle or the upper auricle edge. Depending on the embodiment, they may be formed directly on the holding arm 10, or as a thickened area corresponding to conventional BTE hearing aids.
  • this electrical area 16 is connected, for example, to the earmold 3, so that the earmold 3 is connected, on the one hand, to the electrical area 16 located behind the outer ear and, furthermore, to the holding arm 10.
  • the electrical area 16 according to Fig. 1 branch off from the support arm 10, or according to Fig. 1 be designed as a thickening in the support arm 10.
  • a bending position is selected in which the vibration conductor 12 bears against the respective bone 13a, 13b without prestressing, subsequently a further bending of the support arm 10 is set, e.g. when taken from the ear canal 4 otoplasty 3, and subsequently the earmold 3 is inserted again, so that the support arm 10 by its bias the desired contact force of e.g. 100g on the vibration conductor 12 exerts.
  • a microphone 18 may be attached to the earmold 3, in particular in the region of its opening 6, so that it receives sound waves in the region of the ear canal 4, so that a conventional sound recording or a conventional acoustic hearing can be simulated.
  • the electrical area is provided as a Tell or together with the earmold 3, so that no BTE area is required.
  • a hearing tube system is provided.
  • a receiver 20 is provided as an electroacoustic transducer in the electrical area 16 and HdO area 16, to which a sound tube 21 is connected with one end, the other end 21 b serves as a sound outlet and according to Fig. 7 through the continuous opening 6 of the earmold 3 is placed.
  • the continuous opening 6 is not completely closed by the sound tube 21, but the system remains open.
  • the end 21b also before the Concha be arranged 2a and thus reach the sound through the continuous opening 6 in the middle ear 5.
  • the embodiment of the 6 and 7 can be realized instead of a receiver 20 and sound tube 21 with an external handset, which is connected via an electrical line to the electrical area 16 and is either located in the region of the concha 2a and there outputs sound waves, or is placed in the ear canal 4, then the electrical line (like the one in Fig. 7 shown sound tube 21) extends through the opening 6 of the earmold 3.
  • the sound tube 21 and the holding arm 10 may be combined or merged in all embodiments.
  • electrical lines can run in or on the holding arm 10 in accordance with this.

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

Claims (13)

  1. Appareil auditif à conduction osseuse présentant au moins :
    un dispositif de fixation (3) destiné à la fixation sur la tête de l'utilisateur, et
    un conducteur de vibrations (12) destiné à être posé de façon à adhérer à un os (13a, 13b) de l'utilisateur sous l'effet d'une force de pression,
    le conducteur de vibrations (12) étant relié au dispositif de fixation (3) via un bras support (10),
    le dispositif de fixation (3) étant prévu pour soutenir la force de pression exercée par le conducteur de vibrations (12), le bras support (10) étant réglable dans différentes positions pour développer une force de rappel élastique,
    caractérisé en ce que
    le dispositif de fixation est conçu comme pièce moulée sur mesure (3) destinée à être insérée dans le conduit auditif (4) et/ou dans la conque de l'oreille externe (2) de l'utilisateur,
    que la pièce moulée sur mesure (3) présente une ouverture traversante (6) destinée à former un passage libre dans le conduit auditif (4), que les positions réglables du bras support sont des positions de pliage et que le bras support (10) est déformable élastiquement dans les positions de pliage réglées en développant une force de rappel, et
    en ce que le bras support (10) est réglable de sorte que le conducteur de vibrations (12) peut être posé de façon à adhérer à un os (13a) de la tête de l'utilisateur, devant l'oreille externe, par exemple à l'os malaire ou à une mâchoire, et/ou derrière l'oreille externe (2), par exemple à la mastoïde (13).
  2. Appareil auditif à conduction osseuse suivant la revendication 1, caractérisé en ce que la pièce moulée sur mesure (3) est conçue comme otoplastique (3).
  3. Appareil auditif à conduction osseuse suivant la revendication 1 ou 2, caractérisé en ce que la pièce moulée sur mesure (3) présente une zone destinée à être insérée dans le conduit auditif (4) et, de plus, une zone (7) destinée à être posée de façon à adhérer à la conque (2a) de l'oreille externe (2) de l'utilisateur.
  4. Appareil auditif à conduction osseuse suivant une des revendications précédentes, caractérisé en ce que la pièce moulée sur mesure (3) adhère dans le conduit auditif (4) de façon libre de pressions et de tensions.
  5. Appareil auditif à conduction osseuse suivant une des revendications précédentes, caractérisé en ce qu'il présente une zone électrique (16) avec un amplificateur (17), un dispositif de commande (14) et au moins un élément de réglage (15) pour le réglage de l'appareil auditif à conduction osseuse (1) par l'utilisateur.
  6. Appareil auditif à conduction osseuse suivant la revendication 5, caractérisé en ce que la zone électrique (16) est conçue entièrement ou partiellement comme zone de contour d'oreille destinée à être posée derrière l'oreille externe (2) de l'utilisateur.
  7. Appareil auditif à conduction osseuse suivant la revendication 5 ou 6, caractérisé en ce que la zone électrique (16) est conçue entièrement ou partiellement sur la pièce moulée sur mesure (3).
  8. Appareil auditif à conduction osseuse suivant une des revendications précédentes, caractérisé en ce que le bras support (10) est relié à la pièce moulée sur mesure (3) et/ou au conducteur de vibrations (12) via une connexion par fiches amovible.
  9. Appareil auditif à conduction osseuse suivant une des revendications précédentes, caractérisé en ce qu'il présente un microphone (18) qui est fixé dans ou sur la pièce moulée sur mesure (3).
  10. Appareil auditif à conduction osseuse suivant la revendication 9, caractérisé en ce que le microphone (18) est disposé dans l'ouverture traversante (6) de la pièce moulée sur mesure (3).
  11. Appareil auditif à conduction osseuse suivant une des revendications précédentes, caractérisé en ce que le bras support (10) est formé de plusieurs fils individuels torsadés les uns avec les autres (11), les conduits (11 a) faisant partie des fils.
  12. Appareil auditif à conduction osseuse suivant une des revendications précédentes, caractérisé en ce qu'il présente, en plus du conducteur de vibrations (12), un autre système d'introduction acoustique (20, 21), p. ex. un système de tuyau acoustique (20, 21) ou un système d'écouteur externe, qui présente une zone de sortie acoustique (21 b), par exemple une extrémité de tuyau acoustique ou un écouteur externe qui sert à émettre des ondes acoustiques et dont la disposition est prévue dans la zone de la conque (2a) ou dans le conduit auditif (3).
  13. Appareil auditif à conduction osseuse suivant la revendication 12, caractérisé en ce que le système d'introduction acoustique supplémentaire (20, 21) est prévu essentiellement pour des signaux acoustiques dans une gamme de fréquences plus élevées et en ce que le conducteur de vibrations (12) est prévu essentiellement pour des signaux acoustiques dans une gamme de fréquences plus basses.
EP10008827A 2009-08-26 2010-08-25 Appareil auditif à conduction osseuse Not-in-force EP2302953B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009038940A DE102009038940B3 (de) 2009-08-26 2009-08-26 Knochenleitungshörgerät

Publications (3)

Publication Number Publication Date
EP2302953A2 EP2302953A2 (fr) 2011-03-30
EP2302953A3 EP2302953A3 (fr) 2011-05-04
EP2302953B1 true EP2302953B1 (fr) 2012-08-22

Family

ID=43066608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10008827A Not-in-force EP2302953B1 (fr) 2009-08-26 2010-08-25 Appareil auditif à conduction osseuse

Country Status (3)

Country Link
EP (1) EP2302953B1 (fr)
DE (1) DE102009038940B3 (fr)
DK (1) DK2302953T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2592848T3 (da) * 2011-11-08 2019-10-07 Oticon Medical As Akustisk transmissionsfremgangsmåde og lytteanordning
US11412334B2 (en) 2013-10-23 2022-08-09 Cochlear Limited Contralateral sound capture with respect to stimulation energy source
US8977376B1 (en) 2014-01-06 2015-03-10 Alpine Electronics of Silicon Valley, Inc. Reproducing audio signals with a haptic apparatus on acoustic headphones and their calibration and measurement
US10986454B2 (en) 2014-01-06 2021-04-20 Alpine Electronics of Silicon Valley, Inc. Sound normalization and frequency remapping using haptic feedback
US8767996B1 (en) 2014-01-06 2014-07-01 Alpine Electronics of Silicon Valley, Inc. Methods and devices for reproducing audio signals with a haptic apparatus on acoustic headphones

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB679303A (en) * 1950-06-26 1952-09-17 Fortiphone Ltd Improvements in or relating to hearing aids
JP3623127B2 (ja) * 1998-12-25 2005-02-23 松下電器産業株式会社 ヘッドホン装置
DE20105562U1 (de) * 2001-03-29 2001-07-19 Bruckhoff Apparatebau Gmbh Hörsystem mit einem im Kopf eines Hörgeschädigten subkutan angebrachten Implantat
JP3532537B2 (ja) * 2001-07-05 2004-05-31 株式会社テムコジャパン 骨伝導ヘッドセット
JP4408620B2 (ja) * 2002-11-21 2010-02-03 パイオニア株式会社 受音装置
DE20317963U1 (de) * 2003-11-20 2004-03-04 Hearsafe Technologies Gmbh & Co. Kg Headset bestehend aus einem oder zwei Hörern mit Otoplastik und einem Mikrofon
US7302071B2 (en) * 2004-09-15 2007-11-27 Schumaier Daniel R Bone conduction hearing assistance device
WO2006092831A1 (fr) * 2005-02-28 2006-09-08 Shuuji Kitazawa Systeme de retenue
US20080112581A1 (en) * 2006-11-09 2008-05-15 Stanley Kim Vibrating earphone with enhanced base sound effect
ATE515717T1 (de) * 2007-03-03 2011-07-15 Bruckhoff Apparatebau Gmbh Knochenleitungsmodul zum aufsetzen auf eine brille, knochenleitungshörgerät-brille mit einem derartigen modul und verfahren zu ihrer herstellung

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Publication number Publication date
EP2302953A3 (fr) 2011-05-04
DE102009038940B3 (de) 2011-03-10
EP2302953A2 (fr) 2011-03-30
DK2302953T3 (da) 2012-12-10

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