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EP2166781B1 - Reconnaissance droite-gauche dans des appareils d'aide auditive - Google Patents

Reconnaissance droite-gauche dans des appareils d'aide auditive Download PDF

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Publication number
EP2166781B1
EP2166781B1 EP09169685A EP09169685A EP2166781B1 EP 2166781 B1 EP2166781 B1 EP 2166781B1 EP 09169685 A EP09169685 A EP 09169685A EP 09169685 A EP09169685 A EP 09169685A EP 2166781 B1 EP2166781 B1 EP 2166781B1
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EP
European Patent Office
Prior art keywords
hearing aid
detection
hearing
ear
signal
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Application number
EP09169685A
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German (de)
English (en)
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EP2166781A1 (fr
Inventor
Claus-Dieter Schwerdtner
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Sivantos Pte Ltd
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Siemens Medical Instruments Pte Ltd
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Publication of EP2166781A1 publication Critical patent/EP2166781A1/fr
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    • 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
    • H04R25/552—Binaural
    • 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
    • H04R2225/61—Aspects relating to mechanical or electronic switches or control elements, e.g. functioning
    • 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

Definitions

  • the invention relates to a hearing aid device system having a first and a second hearing aid device which can be worn in each case both on the left ear and on the right ear of a user.
  • hearing aids Most users of hearing aids are affected by a bilateral hearing loss. It is therefore advisable to provide both ears of the user with a hearing aid (binaural supply). In many cases, however, the hearing loss of the left and right ear of the user is different, so that the hearing aids must be adjusted by different parameter settings to the hearing loss of the respective ear. Frequently, however, hearing aids are not specific to the page in terms of their housing design. This is especially true for hearing aids (BTE) that can be worn on the ear, especially behind the ear, but also for universal hearing aids (IDOs) that can be worn in the ear. This can easily lead to confusion, so that e.g.
  • BTE hearing aids
  • IDOs universal hearing aids
  • a hearing aid is worn with the parameter settings to compensate for the hearing loss of the left ear of a user in the right ear, and vice versa.
  • the hearing aids is known to provide color markers on the hearing aids.
  • the hearing aid for the supply of the right ear can be provided with a red mark. The hearing aid wearer must make sure that the hearing aid is used for the right ear.
  • a device for position determination by means of a mobile transponder wherein the transponder comprises two spaced-apart antennas and the determination of a field strength difference signal, the direction is visible, from which a signal is sent to the antennas.
  • the object of the present invention is to avoid the operation of the hearing aid devices having parameter settings which are unsuitable for the supply of the respective ear of a user in a hearing aid device system with a first and a second hearing aid device for the binaural supply of a user.
  • an identification element for a hearing aid unit of a hearing aid system wherein the hearing aid system has a hearing aid unit provided for the left ear of a wearer and a hearing aid unit provided for the right ear of the wearer, wherein the identification element visibly identifies the hearing aid unit from the outside, which is characterized in that the identification element visibly identifies the hearing aid unit as a left or right hearing aid unit and has a means for assigning a puncture as a left or right hearing aid unit to a signal processing device of the hearing aid unit.
  • This object is achieved by a hearing aid device system having the features according to claim 1. Furthermore, the object is achieved by a method for operating a hearing aid system with the method steps according to claim 8.
  • an input signal is recorded by means of an input transducer and converted into an electrical input signal.
  • an input transducer usually serves as an input transducer at least one microphone which receives an acoustic input signal and converts it into an electrical input signal.
  • Modern hearing aids often comprise a microphone system with a plurality of microphones in order to achieve a direction dependent on the direction of arrival of acoustic signals reception, a directional characteristic.
  • telephone coils or antennas for receiving electromagnetic input signals and conversion to electrical input signals are also common as input transducers.
  • the input signals converted by the input transducer into electrical input signals are used for further processing and amplification of a signal processing unit fed.
  • the further processing and amplification takes place to compensate for the individual hearing loss of a user usually in response to the signal frequency of the input signal.
  • the signal processing unit supplies at its output an electrical output signal, which is supplied via an output transducer to the hearing of the hearing aid wearer, so that the latter perceives the output signal as an acoustic signal.
  • output transducers usually listeners are used, which generate an acoustic output signal.
  • output transducers for generating mechanical vibrations are also known, which directly excite certain parts of the ear, such as the ossicles, to vibrate.
  • output transducers are known which directly stimulate neurons of the ear.
  • a hearing aid further comprises a voltage source (battery or rechargeable battery) for powering the electronic components.
  • controls on / off switch, program switch, volume control, etc. may be present.
  • the hearing aid can be adapted to the individual hearing loss of the user's ear.
  • the adjustments are usually made by a hearing care professional during a fitting session, with a subject hearing aid usually being associated with a customization fitting computer.
  • the hearing care professional determines the parameter settings for the respective hearing aid and transmits them to the hearing aid at the end of a fitting session. These determine from then on the signal processing in the signal processing unit of the hearing aid in question to compensate for the individual hearing loss of each ear.
  • hearing aid devices can also be adjusted manually or automatically to the user's preferences and changing environmental conditions by means of further parameter settings.
  • the user can manually adjust the volume vary or the hearing aid in question automatically adjusts to changing listening environments (conversation in peace, conversation in noise, television, phone calls etc).
  • Modern hearing aid systems with a left and a right hearing aid have the ability to wireless data transmission between the hearing aids.
  • a one-time made on a hearing aid manual volume adjustment in both hearing aids of the relevant hearing aid system affect.
  • the hearing aids are equipped for this purpose with appropriate transmitting and receiving units.
  • the hearing aid device system has a first and a second hearing aid device which can be worn both on the left ear and the right ear of the user via a side recognition device for automatically recognizing which of the two hearing aid devices is currently on the left ear and which of the two hearing aid devices are currently on the worn on the user's right ear.
  • An embodiment of the invention provides that the user is made aware of it by a signal that can be heard by him if the hearing aids are not in each case located on the ear provided for this purpose.
  • the hearing aid wearer by means of speech output, for example in the form: "Please swap left and right hearing! be asked to change the hearing aids.
  • both hearing aids of a respective hearing aid system have stored both the parameter settings to compensate for the hearing loss of the left ear and the parameter settings to compensate for the hearing loss of the right ear.
  • the parameter settings for Compensation of hearing loss of the ear automatically activated. This is particularly convenient for the user, since he no longer has to distinguish a left and a right hearing aid and a hearing aid attached to the ear is always correctly adapted to the hearing loss of the ear in question. An unintentional exchange of the two hearing aids and the operation with inappropriate for each ear parameter settings are impossible.
  • the hearing aid device system there is advantageously a device for wireless signal transmission between the hearing aid devices.
  • at least one of the hearing aid devices comprises a transmitting coil for emitting a detection signal and at least the other hearing aid device two spatially spaced receiving coils for receiving the transmitted from the first hearing aid detection signal.
  • the two receiving coils do not necessarily have to be two completely detached coils. Rather, two coils may be wound on a common core or the two coils are formed by a winding with a central tap.
  • the transmitting coil of one hearing aid and the two receiving coils of the other hearing aid are advantageously aligned with each other such that a detection signal emanating from the transmitting coil of the first hearing aid first the first receiving coil and then the reaches second receiver coil of the second hearing aid.
  • This is made possible, for example, by arranging the transmitting coil of one hearing aid device and the two receiving coils of the respective other hearing aid device with worn hearing aid devices at least approximately along a straight line.
  • the detection signal emanating from the first hearing aid lies with different field strength at the two receiving coils of the receiving hearing aid.
  • This difference can be detected and evaluated by means of an evaluation unit.
  • the different field strengths result, for example, in a level difference between the first detection reception signal generated by the first reception coil in response to the transmitted detection signal and the second detection reception signal generated by the second reception coil in response to the transmitted detection signal.
  • This level difference can be recorded and evaluated.
  • the receiving coil, in which the higher field strength is registered is closer to the transmitting coil than the other receiving coil.
  • the relevant hearing aid device automatically recognizes which side of the housing faces the user's head and which side of the housing faces away from the head. This in turn allows a clear conclusion on whether the hearing aid in question is being worn just on the left and on the right ear.
  • An alternative embodiment of the invention provides for evaluating the transit time difference with which a detection signal emanating from the transmission coil of the first hearing aid device arrives at the two reception coils of the second hearing aid device.
  • the delay difference results in a phase difference between the first detection reception signal generated by the first reception coil in response to the transmitted detection signal and the second detection reception signal generated by the second reception coil in response to the transmitted detection signal.
  • a recognition receiving signal leading to a receiving coil in relation to the other receiving coil makes it possible to infer that the respective receiving coil of the receiving hearing aid is closer to the transmitting hearing aid in comparison with the other receiving coil.
  • the relevant hearing aid is located on the left ear of the user.
  • the two receiving coils should be arranged as far apart as possible from each other within the relevant hearing aid.
  • the one receiving coil as close as possible to the left side of the housing and the other receiving coil as close as possible to the opposite right side of the housing of the hearing aid. This distance becomes particularly great when both receiver coils are applied directly to the opposite housing areas, for example by using the MID (Molded Interconnect Device) technology.
  • the transmitting coil of the first hearing aid and at least one of the receiving coils of the second hearing aid also used for wireless signal transmission between the two hearing aids.
  • the additional effort for automatic page recognition thus holds against a conventional hearing aid device system in which a wireless signal transmission is provided within limits.
  • the detection signal transmitted from the first hearing aid to the second can be a signal intended only for automatic page recognition. But it is also possible that in a hearing aid device system, in which a wireless signal transmission between the hearing aids for data transmission is provided anyway, for example, for synchronization of the two hearing aids, a correspondingly transmitted signal in addition is also evaluated according to the invention for page recognition. On a special signal specifically for the page recognition can be dispensed with.
  • the detection reception signals generated by the reception coils in response to the detection signal can be evaluated directly according to the invention, for example with regard to their amplitudes and their phases, but the evaluation can possibly also take place only after further processing of these signals.
  • both hearing aids of a respective hearing aid device system are identical, so that each recognizes in the same way, at which ear of the user it is worn instantaneously. Wireless data transmission between the hearing aids can then be used for control. If both hearing aids recognize the same carrying position, it becomes clear that an error must be present and the automatic page recognition can be carried out again if necessary.
  • FIG. 1 shows in a highly simplified, schematic representation of a hearing aid device 1, 2 according to the invention, which is worn on the head 3 of a user and in particular behind the ears (not shown).
  • the arrow 4 indicates the straight-ahead viewing direction of the user.
  • the hearing aid device system 1, 2 comprises a first hearing aid device 1 and a second, identical to the first hearing aid device 2.
  • the hearing aid devices 1 and 2 are not specific to the page and thus can in principle be worn both on the left and on the right ear of the user.
  • the microphones 11 and 21 are present.
  • the electrical input signals are supplied to the signal processing units 12 and 22 for processing and frequency-dependent amplification.
  • the resulting electrical output signals are supplied to the listeners 13 and 23, respectively, which convert the electrical output signals into acoustic output signals, which are then fed to the user's ear.
  • the signal processing in the signal processing units 12 and 22 can each be adjusted by parameter settings to the individual hearing loss of the respective ear of the user and to the acoustic environment in which the hearing aids 1 and 2 are currently located.
  • the parameter settings for compensating the hearing loss of the left ear and the parameter settings for compensating the hearing loss of the user's right ear are stored both in the signal processing unit 12 and in the signal processing unit 22, wherein in each of the hearing aid devices 1 and 2, only one of the respective sets of parameters is activated in each case.
  • the receiver coils 16 and 17 or 26 and 27 are present, wherein the receiver coils 16 and 26, respectively - With respect to the ordinary method of wear and the straight-ahead viewing direction 4 of the user - closer to the left side of the housing and the receiving coils 17 and 27 closer to the right side of the housing of the hearing aids 1 and 2 are arranged.
  • the wireless data transmission between the hearing aids 1 and 2 ensures that the two hearing aids 1 and 2 are always in the same hearing to adapt to the current listening environment.
  • the hearing aid devices 1 and 2 differ from conventional hearing aid devices suitable for wireless signal transmission in that in each case two spatially separate receiving coils 16 and 17 or 26 and 27 are present.
  • the receiving coils 16, 17 and 26, 27 are arranged within the hearing aid 1 and 2 so that they are different distances far away from the transmitting coil of the other hearing aid. This has two effects when receiving a detection signal.
  • the detection signal has a higher field strength at the location of the receiving coil located nearer to the transmitting coil than in the case of the receiving coil located farther away.
  • the detection signal first arrives at the receiving coil closer to the transmitting coil of the respective other hearing aid, so that the detection signals produced by the two receiving coils have a phase difference.
  • both the peak values and the phase difference of the detection reception signals generated in the reception coils 16 and 17 or 26 and 27 can be determined in the evaluation units 18 and 28.
  • the hearing aid device 2 detects that the detection signal sent by the transmission coil 15 of the hearing aid device 1 has a higher field strength at the location of the reception coil 26 at the location of the reception coil 27 or that a first detection reception signal generated by the reception coil 26 in response to the transmitted detection signal leads a second detection reception signal generated by the reception coil 27, it becomes clear that the reception coil 26 located closer to the left side of the hearing aid 2 compared to the receiving coil 27 is located at a smaller distance to the transmitting coil 15 of the hearing aid 1. Thus, it is automatically recognized that the hearing aid 2 is in the right ear of the user.
  • a corresponding automatic page recognition also takes place in the hearing aid device 1, a detection signal originating from the transmitting coil 25 of the hearing aid device 2 being detected in the spatially spaced receiving coils 16 and 17. Accordingly, the hearing aid 1 recognizes according to the embodiment that it is located in the left ear of the user.
  • the parameter settings for adapting the hearing aid device 1 to the hearing loss of the left ear and in the hearing aid device 2 automatically activate the parameter settings for adapting the hearing aid device 2 to the hearing loss of the right ear of the user in the hearing aid device 1.
  • the automatic side recognition and automatic adjustment of the hearing aid in question to the respective ear creates the greatest possible comfort for the user.
  • the user can attach each of the two hearing aids of the hearing aid device system according to the invention both on his left and on his right ear. Interchanging the two hearing aids and the operation of a hearing aid with parameter settings that are unsuitable for the care of the ear concerned are thereby prevented.
  • FIG. 2 shows the block diagram of the evaluation unit 18 for detecting different field strengths with which the outgoing signal from the second hearing aid 2 detection signal at the location of the receiving coil 16 and at the location of the receiving coil 17 of the first hearing aid 1 is applied.
  • the evaluation unit 18 is supplied at its inputs by the receiver coil 17 generated detection signal received signal I17 and generated by the receiving coil 16 detection reception signal I16.
  • the input signal I17 is first supplied to a peak value detector 31 and the input signal I16 to a peak value detector 32.
  • the peak detector 31 provides the output signal V17 and the peak detector 32 provides the output signal V16.
  • the two signals V17 and V16 are supplied to a comparator 33, which supplies the output signal "OUT".
  • the output signal "OUT” receives a logic 1. If, however, the peak value V16 is greater than the peak value V17, the output signal “OUT” receives a logic O. This is a logical 1 of the output signal "OUT” to a hearing aid worn on the left ear and a logical O of the output signal "OUT" to a hearing aid worn on the right ear.
  • the output signal "OUT" of the evaluation unit 18 is fed to the signal processing unit 12, which automatically activates the parameter settings for compensation of the hearing loss of the left ear at a logic 1 and automatically the parameter settings for compensation of the hearing loss of the right ear at a logical 0.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Near-Field Transmission Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)

Claims (10)

  1. Système (1, 2) de prothèse auditive, comprenant une première et une deuxième prothèses ( 1, 2 ) auditives pouvant être portées respectivement tant à l'oreille gauche qu'également à l'oreille droite d'un utilisateur, caractérisé par
    - un dispositif de reconnaissance latérale pour reconnaître automatiquement celle des deux prothèses ( 1, 2 ) auditives, qui est portée à l'oreille gauche de l'utilisateur, et celle des deux prothèses (1, 2 ) auditives, qui est portée à l'oreille droite de l'utilisateur,
    - dans lequel le dispositif de reconnaissance latérale comprend, au moins dans la première prothèse ( 1 ) auditive, une bobine ( 15 ) d'émission pour l'émission d'un signal de reconnaissance,
    - dans lequel le dispositif de reconnaissance latérale comprend, au moins dans la deuxième prothèse ( 2 ) auditive, une première bobine ( 26 ) de réception, pour la réception du signal de reconnaissance émis par la première prothèse ( 1 ) auditive et pour la production d'un premier signal de réception de reconnaissance, et une deuxième bobine ( 27 ) de réception, à distance de la première bobine (26) de réception, pour la réception du signal de reconnaissance émis par la première prothèse (1) auditive et pour la production d'un deuxième signal de réception de reconnaissance,
    - et dans lequel le dispositif de reconnaissance latérale comprend une unité ( 28 ) d'exploitation pour la comparaison des signaux de réception de reconnaissance produits par la première et par la deuxième bobines ( 26, 27 ) de réception.
  2. Système (1, 2 ) de prothèse auditive suivant la revendication 1, dans lequel, par rapport à une direction ( 4 ) de vision droit devant lui de l'utilisateur et d'une position habituelle de portée de la deuxième prothèse ( 2 ) auditive sur une oreille de l'utilisateur, la première bobine ( 26 ) de réception est plus près d'un côté gauche de boîtier et la deuxième bobine ( 27 ) de réception plus près d'un côté droit de boîtier de la deuxième prothèse ( 2 ) auditive.
  3. Système (1, 2 ) de prothèse auditive suivant la revendication 1 ou 2, dans lequel le dispositif de reconnaissance latérale est constitué pour la comparaison des intensités de champ du signal de reconnaissance émis par la bobine d'émission à l'emplacement de la première bobine ( 26 ) de réception et à l'emplacement de la deuxième bobine ( 27 ) de réception et dans lequel la deuxième prothèse (2) auditive reconnaît automatiquement, au moyen d'une intensité de champ plus grande à l'emplacement de la première bobine ( 26 ) de réception, qu'elle est portée à l'oreille droite et reconnaît automatiquement, au moyen d'une intensité de champ plus grande à l'emplacement de la deuxième bobine ( 27 ) de réception, qu'elle est portée à l'oreille gauche.
  4. Système (1, 2 ) de prothèse auditive suivant la revendication 1 ou 2, dans lequel le dispositif de reconnaissance latérale est constitué pour la reconnaissance d'une différence de phase entre le premier signal de réception de reconnaissance produit par la première bobine (26) de réception et le deuxième signal de réception de reconnaissance produit par la deuxième bobine ( 27 ) de réception et dans lequel la deuxième prothèse (2) auditive reconnaît automatiquement, au moyen du premier signal de réception de reconnaissance qui précède le deuxième signal de réception de reconnaissance, qu'elle est portée à l'oreille droite et reconnaît automatiquement, au moyen du premier signal de réception de reconnaissance qui est postérieur au deuxième signal de réception de reconnaissance, qu'elle est portée à l'oreille gauche.
  5. Système ( 1, 2 ) de prothèse auditive suivant l'une des revendications précédentes, dans lequel il est prévu une transmission de données entre les prothèses (1, 2 ) auditives, et les bobines ( 15 ) de réception sont constituées pour l'émission et/ou au moins l'une des bobines ( 26, 27 ) de réception pour la réception de ces données.
  6. Système ( 1, 2 ) de prothèse auditive suivant l'une des revendications précédentes, dans lequel il est mémorisé dans les prothèses ( 1, 2 ) auditives respectivement une information latérale et il peut être donné par le système ( 1, 2 ) de prothèse auditive un signal d'indication perceptible par l'utilisateur, si au moins l'une des prothèses ( 1, 2 ) auditives n'est pas portée sur ou dans l'oreille prévue pour la prothèse ( 1, 2) auditive concernée.
  7. Système ( 1, 2) de prothèse auditive suivant l'une des revendications précédentes, dans lequel les prothèses ( 1, 2 ) auditives peuvent être adaptées au moyen d'un réglage de paramètres à une perte d'audition individuelle de l'oreille gauche ainsi que de l'oreille droite de l'utilisateur et dans lequel, dans les deux prothèses ( 1, 2 ) auditives, sont mémorisés tant les réglages de paramètres pour la compensation de la perte d'audition de l'oreille gauche qu'également les réglages de paramètres pour la compensation de la perte d'audition de l'oreille droite et dans lequel, après la reconnaissance automatique de l'oreille sur laquelle la prothèse ( 1, 2 ) auditive respective est portée, les réglages de paramètres prévus pour l'oreille concernée peuvent être activés dans une unité (12) de traitement du signal automatiquement par la prothèse ( 1, 2 ) auditive respective.
  8. Procédé pour faire fonctionner un système ( 1, 2 ) de prothèse auditive ayant une première et une deuxième prothèses ( 1, 2 ) auditives pouvant être portées respectivement tant à l'oreille gauche qu'également à l'oreille droite d'un utilisateur, comprenant les stades suivantes :
    - émission d'un signal de reconnaissance par la première prothèse ( 1 ) auditive,
    - réception du signal de reconnaissance émis par la première prothèse ( 1 ) auditive et production d'un premier signal de réception de reconnaissance par une première bobine ( 26 ) de réception et d'un deuxième signal de réception de reconnaissance par une deuxième bobine de réception de la deuxième prothèse ( 2 ) auditive en réaction au signal de reconnaissance émis, la deuxième bobine ( 27 ) de réception étant à distance de la première bobine ( 26 ) de réception,
    - comparaison du premier signal de réception de reconnaissance ou d'un signal qui s'en déduit avec le deuxième signal de réception de reconnaissance ou avec un signal qui s'en déduit,
    - reconnaissance automatique du fait que la deuxième prothèse ( 2 ) auditive est portée à l'oreille gauche ou à l'oreille droite de l'utilisateur au moyen du résultat de la comparaison.
  9. Procédé suivant la revendication 8, dans lequel le premier et le deuxième signal de réception de reconnaissance sont comparés l'un à l'autre par leur amplitude.
  10. Procédé suivant la revendication 8, dans lequel le premier et le deuxième signal de réception de reconnaissance sont comparés l'un à l'autre par leur phase.
EP09169685A 2008-09-17 2009-09-08 Reconnaissance droite-gauche dans des appareils d'aide auditive Active EP2166781B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008047577A DE102008047577B3 (de) 2008-09-17 2008-09-17 Rechts-Links-Erkennung bei Hörhilfegeräten

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EP2166781A1 EP2166781A1 (fr) 2010-03-24
EP2166781B1 true EP2166781B1 (fr) 2011-10-26

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US (1) US8605913B2 (fr)
EP (1) EP2166781B1 (fr)
AT (1) ATE531211T1 (fr)
DE (1) DE102008047577B3 (fr)
DK (1) DK2166781T3 (fr)

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EP2166781A1 (fr) 2010-03-24
US8605913B2 (en) 2013-12-10
DK2166781T3 (da) 2012-02-27
ATE531211T1 (de) 2011-11-15
US20100067707A1 (en) 2010-03-18
DE102008047577B3 (de) 2010-08-12

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