EP2109331A2 - Hearing aid with an anti-fall device - Google Patents

Hearing aid with an anti-fall device Download PDF

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Publication number
EP2109331A2
EP2109331A2 EP09155837A EP09155837A EP2109331A2 EP 2109331 A2 EP2109331 A2 EP 2109331A2 EP 09155837 A EP09155837 A EP 09155837A EP 09155837 A EP09155837 A EP 09155837A EP 2109331 A2 EP2109331 A2 EP 2109331A2
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EP
European Patent Office
Prior art keywords
hearing aid
settings
acceleration
memory
designed
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Granted
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EP09155837A
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German (de)
French (fr)
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EP2109331B1 (en
EP2109331A3 (en
Inventor
Meng Kiang Lim
Leep Foong Chew
Chow Lan Stella Yap
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Sivantos Pte Ltd
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Siemens Medical Instruments Pte Ltd
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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
    • H04R25/30—Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
    • H04R25/305—Self-monitoring or self-testing
    • 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
    • H04R2225/39—Aspects relating to automatic logging of sound environment parameters and the performance of the hearing aid during use, e.g. histogram logging, or of user selected programs or settings in the hearing aid, e.g. usage logging

Definitions

  • the invention relates to a hearing aid with a fall protection.
  • Hearing aids for the hard of hearing are usually worn on the ear. When putting on the hearing aid or when removing the hearing aid, it can easily happen that the hearing aid falls to the ground. This can happen even if the hearing aid sits insecurely on the ear and thereby loosens itself.
  • Hearing aids include sensitive electronics that can be damaged when hitting the ground.
  • the current settings can change when the hearing aid is hit. This can be done both by a mechanical adjustment of the controller on the hearing aid, as well as by a direct action of the impact acceleration on the electronics of the hearing aid.
  • the hearing aid Of interest may be all settings and functions of the hearing aid or the signal processing device of the hearing aid. Examples are the volume, the classification parameters for the classification of the prevailing noise environment into different classes, the sound environment currently being classified, the parameters of the noise reduction, the parameters of the directional processing of microphone signals (directionality), the active signal processing program (hearing program ), or the parameters of a wireless or other data connection of the hearing aid with external devices, eg Telephone, mobile phone, consumer electronics, remote control, programming device or household electronics.
  • external devices eg Telephone, mobile phone, consumer electronics, remote control, programming device or household electronics.
  • the parameters of learnable or self-learning settings of the hearing aid are of particular importance Interest. These are settings that the hearing aid has "learned" itself on the basis of past user inputs or the parameters that the hearing aid has learned on the basis of past user inputs in order to be able to make settings on its own basis.
  • the parameters can be different in each case in different frequency bands or in different level levels, wherein the hearing device can also have determined user needs in relation to such dependencies by past user inputs and can base it on self-adjusting settings.
  • An example of this is the adjustment of the volume, which the hearing device can adapt itself automatically according to the user wishes determined from past inputs.
  • Another example is the adjustment of the volume in connection with the respectively classified noise environment, eg the self-raising or lowering of the volume by the hearing aid when classifying certain noise environments according to past entries of the user.
  • the aforementioned structural measures provide for a higher weight of the hearing aid and for a more complex and thus more expensive production of the hearing aid.
  • the adjustment controls must be designed so that they are not impacted by the impact force can be adjusted. This has the disadvantage that this makes the change of the device setting by hand difficult.
  • the publication DE 10 2006 028 682 A1 discloses a hearing aid with sensor structure.
  • the sensor structure may be suitable, inter alia, for measuring accelerations. It serves to record environmental conditions in order to automatically control the hearing aid as a function thereof.
  • the controller can be a directional characteristic (directionality), or a turn on / off function, or affect the volume.
  • the automatically controlled variables in common is that it is the usual operating settings of the hearing aid in trouble-free operating conditions.
  • the invention has for its object to provide a hearing aid that provides protection against changing the settings of the hearing aid in a simple manner.
  • an acceleration sensor which triggers an automatic storage of the respective current settings of the hearing aid in the event of a sudden acceleration via an electronic circuit, it is possible to restore the settings in a simple manner after a strike of the hearing aid from the memory. A change of the settings by an impact is made in this way by the invention reversed immediately after the impact.
  • the acceleration sensor can be any type of sensor that directly or indirectly draws a conclusion to a jerky acceleration or a strike of the hearing aid on an object can measure.
  • a particularly effective acceleration sensor is a three-axis acceleration sensor that can measure accelerations in the direction of three axes aligned perpendicular to each other.
  • Such sensors find e.g. their application for securing mobile hard drives.
  • the company Hitachi uses such sensors, for example, in at least some drives of the brand Microdrive under the name "Extra Sensory Protection”.
  • the acceleration sensor can also be designed in the form of a microphone which is provided anyway on the hearing aid. If the microphone measures a volume level or a noise frequency spectrum which is characteristic of a blow of the hearing aid, this represents an indirect measurement of a jerky acceleration.
  • FIG. 1 shows a hearing aid 1 with a volume control 2, a programming socket 3, a program button 4 with on / off function, a battery compartment 5 and a microphone 10. From the outside are not visible in the hearing aid 1, an acceleration sensor 6, an electrical circuit 7 and a memory 8 is arranged.
  • the acceleration sensor 6 is designed in the form of a 3-axis acceleration sensor for measuring an acceleration of the hearing device 1 in the direction of 3 mutually perpendicular axes 9. Of the Acceleration sensor 6 sends signals for the respectively measured acceleration to the electrical circuit 7 by means of an electronic line. Based on these signals, the electrical circuit 7 determines a sudden acceleration of the hearing device 1.
  • the electric circuit 7 is only active when the amount of measured acceleration a predetermined threshold exceeds.
  • the threshold value represents the limit between ordinary accelerations and accelerations caused by the impact of the hearing aid 1.
  • the electrical circuit 7 When the electrical circuit 7 detects a sudden acceleration of the hearing aid 1, it stores the respective current settings in the memory 8 connected to the circuit 7. The storage takes place so fast that the fall could not cause any adjustment of the setting.
  • the circuit 7 it is also possible for the circuit 7 to periodically save (e.g., every 10th of a second) the current settings in the memory 8 and, in the event of a fall after the crash, restore the last settings saved prior to the fall. In this way, a particularly secure storage of the settings is possible, even if the electrical circuit 7 should work comparatively slowly.
  • the electrical circuit 7 can also fall back on measured by the microphone 10 noise.
  • the microphone 10 noise By hitting the hearing aid on a hard Subject takes the microphone 10 a loud noise with a characteristic spectrum.
  • the spectrum depends on the nature of the housing of the hearing aid 1, but usually covers - as most bang - a wide frequency spectrum.
  • the noise also differs in its loudness and in particular in the course of the volume of other sounds, e.g. generated by the application of the hearing aid 1.
  • the impact sound will be comparatively loud and short. In this way, the acceleration can be detected by the impact indirectly through the microphone 10 safely. In this sense, the microphone 10 is operated as an impact sensor.
  • the impact can be detected with particular certainty.
  • the volume control 2 and / or the program key 4 may also be designed in the form of electronic buttons.
  • the fall protection electronic circuit 7 can be both a separate circuit and a circuit integrated in the rest of the hearing aid electronics.
  • the memory 8 may e.g. be in the form of an EEPROM memory.
  • An exemplary embodiment of the invention summarizes a hearing aid with a fall protection comprising an acceleration sensor, an electrical Circuit and a memory.
  • the acceleration sensor generates an electrical signal in response to an acceleration of the hearing aid. This signal is transmitted to the electrical circuit, which determines a jerky acceleration of the hearing aid.
  • the electrical circuit secures the current settings of the hearing aid in the memory. The settings can be reconstructed from the memory after the fall of the hearing aid, so that as a result, a change in the settings of the hearing aid is prevented.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Neurosurgery (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

The hearing device (1) has an antifall guard which consists of an acceleration sensor (6) for producing an electrical signal as a function of acceleration of the hearing device. An electrical circuit (7) is provided for determining a jerky acceleration of the hearing device based on the signal of the acceleration sensor. A memory (8) stores the calibration of the hearing device. The circuit is so formed that the active calibration is protected in the memory in case of a jerky acceleration of the hearing device.

Description

Die Erfindung betrifft ein Hörgerät mit einer Sturzsicherung.The invention relates to a hearing aid with a fall protection.

Hörgeräte für schwerhörige Menschen werden in der Regel am Ohr getragen. Beim Anlegen des Hörgeräts oder beim Abnehmen des Hörgeräts kann es leicht passieren, dass das Hörgerät zu Boden fällt. Dies kann auch dann passieren, wenn das Hörgerät unsicher am Ohr sitzt und sich dadurch von selbst löst.Hearing aids for the hard of hearing are usually worn on the ear. When putting on the hearing aid or when removing the hearing aid, it can easily happen that the hearing aid falls to the ground. This can happen even if the hearing aid sits insecurely on the ear and thereby loosens itself.

Hörgeräte umfassen eine sensible Elektronik, die beim Aufschlagen auf den Boden Schaden nehmen kann. Darüber können sich beim Aufschlagen des Hörgeräts die aktuellen Einstellungen verändern. Dies kann sowohl durch ein mechanisches Verstellen der Regler am Hörgerät erfolgen, als auch durch ein direktes Einwirken der Aufschlagsbeschleunigung auf die Elektronik des Hörgeräts.Hearing aids include sensitive electronics that can be damaged when hitting the ground. In addition, the current settings can change when the hearing aid is hit. This can be done both by a mechanical adjustment of the controller on the hearing aid, as well as by a direct action of the impact acceleration on the electronics of the hearing aid.

Von Interesse können dabei sämtliche Einstellungen und Funktionen des Hörgeräts oder der Signalverarbeitungseinrichtung des Hörgeräts sein. Beispiele sind die Lautstärke, die Klassifizierungs-Parameter für die Klassifikation der jeweils vorherrschenden Geräuschumgebung in unterschiedliche Klassen, die im jeweiligen Moment gerade klassifizierte Geräuschumgebung, die Parameter der Störgeräuschunterdrückung, die Parameter der richtungsabhängigen Verarbeitung von Mikrofonsignalen (Direktionalität), das jeweils aktive Signalverarbeitungsprogramm (Hörprogramm), oder die Parameter einer drahtlosen oder anderweitigen Datenverbindung des Hörgeräts mit externen Geräten, z.B. Telefon, Mobiltelefon, Unterhaltungselektronik, Fernsteuerung, Programmiergerät oder Haushaltselektronik.Of interest may be all settings and functions of the hearing aid or the signal processing device of the hearing aid. Examples are the volume, the classification parameters for the classification of the prevailing noise environment into different classes, the sound environment currently being classified, the parameters of the noise reduction, the parameters of the directional processing of microphone signals (directionality), the active signal processing program (hearing program ), or the parameters of a wireless or other data connection of the hearing aid with external devices, eg Telephone, mobile phone, consumer electronics, remote control, programming device or household electronics.

Darüber hinaus sind die Paramter lernbarer bzw. selbstlernender Einstellungen des Hörgeräts von besonderem Interesse. Es handelt sich dabei um Einstellungen, die das Hörgerät aufgrund von zurückliegenden Benutzereingaben selbst vorzunehmen "gelernt" hat bzw. um die Parameter, die das Hörgerät aufgrund von zurückliegenden Benutzereingaben gelernt hat, um auf deren Grundlage Einstellungen selbsttätig vornehmen zu können. Die Parameter können in unterschiedlichen Frequenzbändern bzw. in unterschiedlichen Pegelstufen jeweils unterschiedlich ausgeprägt sein, wobei das Hörgerät Benutzerbedürfnisse in Bezug auf solche Abhängigkeiten ebenfalls durch zurückliegende Benutzereingaben ermittelt haben und für selbstätige Einstellungen zugrundelegen kann. Ein Beispiel hierfür ist die Einstellung der Lautstärke, die das Hörgerät entsprechend den aus zurückliegenden Eingaben ermittelten Benutzerwünschen selbstätig anpassen kann. Ein weiteres Beispiel ist die Einstellung der Lautstärke in Verbindung mit der jeweils klassifizierten Geräuschumgebung, z.B. die selbstätige Anhebung oder Absenkung der Lautstärke durch die Hörhilfe bei Klassifizierung bestimmter Geräuschumgebungen entsprechend zurückliegender Eingaben des Benutzers.In addition, the parameters of learnable or self-learning settings of the hearing aid are of particular importance Interest. These are settings that the hearing aid has "learned" itself on the basis of past user inputs or the parameters that the hearing aid has learned on the basis of past user inputs in order to be able to make settings on its own basis. The parameters can be different in each case in different frequency bands or in different level levels, wherein the hearing device can also have determined user needs in relation to such dependencies by past user inputs and can base it on self-adjusting settings. An example of this is the adjustment of the volume, which the hearing device can adapt itself automatically according to the user wishes determined from past inputs. Another example is the adjustment of the volume in connection with the respectively classified noise environment, eg the self-raising or lowering of the volume by the hearing aid when classifying certain noise environments according to past entries of the user.

Dieses Problem wurde bisher durch eine mechanisch robuste Konstruktion des Hörgeräts gelöst. Konstruktionsmaßnahmen, die die Robustheit des Hörgeräts erhöhen, sind z.B. separate Gehäuse für die wesentlichen elektronischen Komponenten wie Empfänger, Mikrofon und Verstärker, stützende Verstrebungen innerhalb des Gehäuses, passgenaue Formungen des Gehäuses an die elektrischen Komponenten und eine Vielzahl solider Löt-und Klebverbindungen für die Komponenten des Hörgeräts.This problem has been solved by a mechanically robust construction of the hearing aid. Design measures that increase the robustness of the hearing aid are known e.g. separate housings for the essential electronic components such as receiver, microphone and amplifier, supporting struts within the housing, tailor-made formations of the housing to the electrical components and a variety of solid solder and adhesive joints for the components of the hearing aid.

Die vorgenannten konstruktiven Maßnahmen sorgen allerdings für ein höheres Gewicht des Hörgeräts und für eine aufwendigere und damit teurere Herstellung des Hörgeräts.However, the aforementioned structural measures provide for a higher weight of the hearing aid and for a more complex and thus more expensive production of the hearing aid.

Zum Schutz vor Änderungen der Hörgeräteeinstellungen durch einen Sturz müssen die Einstellungsregler so ausgelegt werden, dass sie durch die Wucht eines Aufschlags nicht verstellt werden können. Dies hat den Nachteil, dass dadurch die Änderung der Geräteeinstellung von Hand erschwert wird.To protect against hearing instrument adjustments due to a fall, the adjustment controls must be designed so that they are not impacted by the impact force can be adjusted. This has the disadvantage that this makes the change of the device setting by hand difficult.

Die Druckschrift DE 10 2006 028 682 A1 offenbart ein Hörgerät mit Sensoraufbau. Der Sensoraufbau kann unter anderem zur Messung von Beschleunigungen geeignet sein. Er dient der Erfassung von Umgebungsbedingungen, um in deren Abhängigkeit das Hörgerät automatisch zu steuern. Die Steuerung kann dabei eine Richtcharakteristik (Direktionalität), oder eine An-/Abschalt-Funktion, oder die Lautstärke betreffen. Den automatisch zu steuernden Größen ist gemein, dass es sich um übliche Betriebseinstellungen des Hörgerätes unter störungsfreien Betriebsbedingungen handelt.The publication DE 10 2006 028 682 A1 discloses a hearing aid with sensor structure. The sensor structure may be suitable, inter alia, for measuring accelerations. It serves to record environmental conditions in order to automatically control the hearing aid as a function thereof. The controller can be a directional characteristic (directionality), or a turn on / off function, or affect the volume. The automatically controlled variables in common is that it is the usual operating settings of the hearing aid in trouble-free operating conditions.

Der Erfindung liegt die Aufgabe zugrunde, ein Hörgerät anzugeben, das in einfacher Weise einen Schutz vor Änderung der Einstellungen des Hörgeräts bietet.The invention has for its object to provide a hearing aid that provides protection against changing the settings of the hearing aid in a simple manner.

Diese Aufgabe wird gelöst durch ein Hörgerät gemäß Patentanspruch 1 und die auf diesen Anspruch rückbezogenen Unteransprüche.This object is achieved by a hearing aid according to claim 1 and the dependent claims on this claim.

Durch einen Beschleunigungssensor, der im Fall einer ruckartigen Beschleunigung über eine elektronische Schaltung ein automatisches Abspeichern der jeweils aktuellen Einstellungen des Hörgeräts auslöst ist es möglich, die Einstellungen in einfacher Weise nach einem Aufschlagen des Hörgeräts aus dem Speicher wieder herzustellen. Eine Änderung der Einstellungen durch einen Aufschlag wird auf diese Weise durch die Erfindung rückgängig sofort nach dem Aufschlagen gemacht.By an acceleration sensor, which triggers an automatic storage of the respective current settings of the hearing aid in the event of a sudden acceleration via an electronic circuit, it is possible to restore the settings in a simple manner after a strike of the hearing aid from the memory. A change of the settings by an impact is made in this way by the invention reversed immediately after the impact.

Besonders vorteilhaft ist die Anwendung der Erfindung auf die häufig verwendeten Einstellungen der Lautstärke und des jeweiligen Hörprogramms.Particularly advantageous is the application of the invention to the frequently used settings of the volume and the respective hearing program.

Der Beschleunigungssensor kann jede Art von Sensor sein, der auf direkte oder indirekte Weise einen Rückschluss auf eine ruckartige Beschleunigung oder ein Aufschlagen des Hörgeräts auf einen Gegenstand messen kann.The acceleration sensor can be any type of sensor that directly or indirectly draws a conclusion to a jerky acceleration or a strike of the hearing aid on an object can measure.

Ein besonders effektiver Beschleunigungssensor ist ein Drei-Achsenbeschleunigungssensor, der Beschleunigungen in Richtung von 3 senkrecht zueinander ausgerichteten Achsen messen kann. Solche Sensoren finden z.B. zur Sicherung von mobilen Festplatten ihre Anwendung. Die Firma Hitachi verwendet solche Sensoren beispielsweise in zumindest einigen Festplatten der Marke Microdrive unter dem Namen "Extra Sensory Protection".A particularly effective acceleration sensor is a three-axis acceleration sensor that can measure accelerations in the direction of three axes aligned perpendicular to each other. Such sensors find e.g. their application for securing mobile hard drives. The company Hitachi uses such sensors, for example, in at least some drives of the brand Microdrive under the name "Extra Sensory Protection".

Der Beschleunigungssensor kann aber auch in Form eines ohnehin am Hörgerät vorgesehenen Mikrofons ausgebildet sein. Misst das Mikrofon einen Lautstärkepegel oder ein Geräuschfrequenzspektrum, das für einen Aufschlag des Hörgeräts charakteristisch ist, so stellt dies eine indirekte Messung einer ruckartigen Beschleunigung dar.The acceleration sensor can also be designed in the form of a microphone which is provided anyway on the hearing aid. If the microphone measures a volume level or a noise frequency spectrum which is characteristic of a blow of the hearing aid, this represents an indirect measurement of a jerky acceleration.

Die Erfindung sowie weitere vorteilhafte Ausgestaltungen der Erfindungen werden anhand der schematischen Zeichnungen näher beschrieben:

FIG 1
Hörgerät umfassend eine Sturzsicherung mit einem Beschleunigungssensor
The invention and further advantageous embodiments of the invention will be described in more detail with reference to the schematic drawings:
FIG. 1
Hearing aid comprising a fall protection with an acceleration sensor

Figur 1 zeigt ein Hörgerät 1 mit einem Lautstärkeregler 2, einer Programmierbuchse 3, einer Programmtaste 4 mit Ein-/Aus-Funktion, einem Batteriefach 5 und einem Mikrofon 10. Von außen nicht sichtbar sind in dem Hörgerät 1 ein Beschleunigungssensor 6, eine elektrische Schaltung 7 und ein Speicher 8 angeordnet. FIG. 1 shows a hearing aid 1 with a volume control 2, a programming socket 3, a program button 4 with on / off function, a battery compartment 5 and a microphone 10. From the outside are not visible in the hearing aid 1, an acceleration sensor 6, an electrical circuit 7 and a memory 8 is arranged.

Der Beschleunigungssensor 6 ist in Form eines 3-Achsen-Beschleunigungssensors zur Messung einer Beschleunigung des Hörgeräts 1 in Richtung von 3 senkrecht zueinander ausgerichteten Achsen 9 ausgebildet. Der Beschleunigungssensor 6 sendet mittels einer elektronischen Leitung Signale zur jeweils gemessenen Beschleunigung an die elektrische Schaltung 7. Basierend auf diesen Signalen ermittelt die elektrische Schaltung 7 eine ruckartige Beschleunigung des Hörgeräts 1.The acceleration sensor 6 is designed in the form of a 3-axis acceleration sensor for measuring an acceleration of the hearing device 1 in the direction of 3 mutually perpendicular axes 9. Of the Acceleration sensor 6 sends signals for the respectively measured acceleration to the electrical circuit 7 by means of an electronic line. Based on these signals, the electrical circuit 7 determines a sudden acceleration of the hearing device 1.

Um gewöhnliche Beschleunigungen, wie z.B. durch Bewegungen des Trägers des Hörgeräts 1 oder die durch Einstellen des Hörgeräts 1 hervorgerufen werden, von Beschleunigungen, die durch einen Sturz des Hörgeräts 1 hervorgerufen werden, zu unterscheiden, wird die elektrische Schaltung 7 nur aktiv, wenn der Betrag der gemessenen Beschleunigung einen vorgegebenen Schwellwert überschreitet. Der Schwellwert stellt die Grenze zwischen gewöhnlichen Beschleunigungen und durch Aufschlag des Hörgeräts 1 verursachte Beschleunigungen dar.To avoid ordinary accelerations, e.g. caused by movements of the wearer of the hearing aid 1 or by setting the hearing aid 1 to different from accelerations caused by a fall of the hearing aid 1, the electric circuit 7 is only active when the amount of measured acceleration a predetermined threshold exceeds. The threshold value represents the limit between ordinary accelerations and accelerations caused by the impact of the hearing aid 1.

Wenn die elektrische Schaltung 7 eine ruckartige Beschleunigung des Hörgeräts 1 ermittelt, speichert sie die jeweils aktuellen Einstellungen in den an der Schaltung 7 angeschlossenen Speicher 8. Die Speicherung erfolgt so schnell, dass der Sturz noch keine Verstellung der Einstellung verursachen konnte.When the electrical circuit 7 detects a sudden acceleration of the hearing aid 1, it stores the respective current settings in the memory 8 connected to the circuit 7. The storage takes place so fast that the fall could not cause any adjustment of the setting.

Es ist auch möglich, dass die Schaltung 7 in regelmäßigen Abständen (z.B. jede 10-tel Sekunde) die aktuellen Einstellungen in den Speicher 8 sichert und im Fall eines Sturzes nach dem Sturz die zuletzt vor dem Sturz gespeicherten Einstellungen wieder herstellt. Auf diese Weise ist eine besonders sichere Speicherung der Einstellungen möglich, auch wenn die elektrische Schaltung 7 vergleichsweise langsam arbeiten sollte.It is also possible for the circuit 7 to periodically save (e.g., every 10th of a second) the current settings in the memory 8 and, in the event of a fall after the crash, restore the last settings saved prior to the fall. In this way, a particularly secure storage of the settings is possible, even if the electrical circuit 7 should work comparatively slowly.

Alternativ oder ergänzend zu dem 3-Achsen-Beschleunigungssensor kann die elektrische Schaltung 7 auch auf durch das Mikrofon 10 gemessene Geräusche zurückgreifen. Durch ein Aufschlagen des Hörgeräts auf einen harten Gegenstand nimmt das Mikrofon 10 ein lautes Geräusch mit einem charakteristischen Spektrum auf.Alternatively or in addition to the 3-axis acceleration sensor, the electrical circuit 7 can also fall back on measured by the microphone 10 noise. By hitting the hearing aid on a hard Subject takes the microphone 10 a loud noise with a characteristic spectrum.

Das Spektrum hängt von der Beschaffenheit des Gehäuses des Hörgeräts 1 ab, deckt aber in der Regel - wie die meisten Knallgeräusche - ein breites Frequenzspektrum ab.The spectrum depends on the nature of the housing of the hearing aid 1, but usually covers - as most bang - a wide frequency spectrum.

Das Geräusch unterscheidet sich auch durch seine Lautstärke und insbesondere durch den Verlauf der Lautstärke von anderen Geräuschen, die z.B. durch das Anlegen des Hörgeräts 1 erzeugt werden. Das Aufschlaggeräusch wird vergleichsweise laut und kurz ausfallen. Auf diese Weise lässt sich die Beschleunigung durch den Aufprall indirekt durch das Mikrofon 10 sicher nachweisen. In diesem Sinne wird das Mikrofon 10 als Aufprallsensor betrieben.The noise also differs in its loudness and in particular in the course of the volume of other sounds, e.g. generated by the application of the hearing aid 1. The impact sound will be comparatively loud and short. In this way, the acceleration can be detected by the impact indirectly through the microphone 10 safely. In this sense, the microphone 10 is operated as an impact sensor.

Durch eine Koinzidenzschaltung zwischen dem Beschleunigungssensor 6 und dem Mikrofon 10 kann der Aufprall besonders sicher detektiert werden.By a coincidence circuit between the acceleration sensor 6 and the microphone 10, the impact can be detected with particular certainty.

In dem vorliegenden Ausführungsbeispiel handelt es sich um einen mechanischen Lautstärkenregler 2 in Form eines Drehrädchens. Die Programmtaste 4 ist ebenfalls ein mechanischer Schalter in Form eines Schiebeschalters, der zur Wahl des gewünschten Hörprogramms nach oben und unten geschoben werden kann. Der Lautstärkeregler 2 und/oder die Programmtaste 4 können auch in Form von elektronischen Tastern ausgelegt sein.In the present embodiment, it is a mechanical volume control 2 in the form of a turning girl. The program button 4 is also a mechanical switch in the form of a slide switch, which can be pushed to select the desired hearing program up and down. The volume control 2 and / or the program key 4 may also be designed in the form of electronic buttons.

Die elektronische Schaltung 7 der Sturzsicherung kann sowohl eine separate Schaltung als auch eine in die übrige Hörgeräteelektronik integrierte Schaltung sein.The fall protection electronic circuit 7 can be both a separate circuit and a circuit integrated in the rest of the hearing aid electronics.

Der Speicher 8 kann z.B. in Form eines EEPROM-Speicher sein.The memory 8 may e.g. be in the form of an EEPROM memory.

Eine beispielhafte Ausführungsform der Erfindung betrifft zusammengefasst ein Hörgerät mit einer Sturzsicherung umfassend einen Beschleunigungssensor, eine elektrische Schaltung und einen Speicher. Der Beschleunigungssensor erzeugt ein elektrisches Signal in Abhängigkeit von einer Beschleunigung des Hörgeräts. Dieses Signal wird zur elektrischen Schaltung übertragen, die daraus eine ruckartige Beschleunigung des Hörgeräts ermittelt. Im Fall einer ruckartigen Beschleunigung des Hörgeräts sichert die elektrische Schaltung die jeweils aktuellen Einstellungen des Hörgeräts in den Speicher. Die Einstellungen können nach dem Sturz des Hörgeräts aus dem Speicher rekonstruiert werden, so dass im Ergebnis eine Änderung der Einstellungen des Hörgeräts verhindert wird.An exemplary embodiment of the invention summarizes a hearing aid with a fall protection comprising an acceleration sensor, an electrical Circuit and a memory. The acceleration sensor generates an electrical signal in response to an acceleration of the hearing aid. This signal is transmitted to the electrical circuit, which determines a jerky acceleration of the hearing aid. In the case of a sudden acceleration of the hearing aid, the electrical circuit secures the current settings of the hearing aid in the memory. The settings can be reconstructed from the memory after the fall of the hearing aid, so that as a result, a change in the settings of the hearing aid is prevented.

Claims (11)

Hörgerät (1) mit einer Sturzsicherung umfassend - einen Beschleunigungssensor (6) zum Erzeugen eines elektrischen Signals in Abhängigkeit von einer Beschleunigung des Hörgeräts (1), - eine elektrische Schaltung (7) zum Ermitteln einer ruckartigen Beschleunigung des Hörgeräts (1) basierend auf dem Signal des Beschleunigungssensors (6) und - einen Speicher (8) zum Abspeichern von Einstellungen des Hörgeräts (1), wobei die Schaltung (7) so ausgelegt ist, dass sie im Fall einer ruckartigen Beschleunigung des Hörgeräts (1) die aktuellen Einstellungen in dem Speicher (8) sichert.Hearing aid (1) comprising a fall protection - An acceleration sensor (6) for generating an electrical signal in response to an acceleration of the hearing aid (1), - An electrical circuit (7) for determining a jerky acceleration of the hearing aid (1) based on the signal of the acceleration sensor (6) and a memory (8) for storing settings of the hearing device (1), wherein the circuit (7) is designed so that it ensures the current settings in the memory (8) in the event of a sudden acceleration of the hearing aid (1). Hörgerät (1) nach Anspruch 1, wobei der Speicher (8) zum sichern von Einstellungen in Bezug auf die Lautstärke des Hörgeräts (1) ausgelegt ist.Hearing aid (1) according to claim 1, wherein the memory (8) is designed to secure settings with respect to the volume of the hearing aid (1). Hörgerät (1) nach Anspruch 1 oder 2, wobei der Speicher (8) zum sichern von Einstellungen in Bezug auf das Hörprogramm ausgelegt ist.Hearing aid (1) according to claim 1 or 2, wherein the memory (8) is designed to secure settings with respect to the hearing program. Hörgerät (1) nach einem der Ansprüche 1-3, wobei die Schaltung (7) so ausgelegt ist, dass sie nach der ruckartigen Beschleunigung des Hörgeräts (1) die Einstellungen des Hörgeräts (1) auf den Stand der in dem Speicher (8) gespeicherten Einstellungen zurücksetzt.Hearing aid (1) according to any one of claims 1-3, wherein the circuit (7) is designed so that it after the jerky acceleration of the hearing aid (1) the settings of the hearing aid (1) on the state of the in the memory (8). resets saved settings. Hörgerät nach einem der Ansprüche 1-4, wobei die Schaltung (7) die Einstellungen in regelmäßigen Abständen speichert und im Fall einer ruckartigen Beschleunigung die Einstellungen des Hörgeräts (1) auf den Stand zuletzt vor der ruckartigen Beschleunigung in dem Speicher (8) gespeicherten Einstellungen zurücksetzt.Hearing aid according to one of claims 1-4, wherein the circuit (7) stores the settings at regular intervals and in the case of a jerky acceleration, the settings of the hearing aid (1) to the last state before the jerky acceleration in the memory (8) stored settings resets. Hörgerät (1) nach einem der Ansprüche 1-5, wobei der Beschleunigungssensor (6) ein Drei-Achsen-Beschleunigungssensor zur Messung einer Beschleunigung des Hörgeräts (1) in Richtung von drei senkrecht zueinander ausgerichteten Achsen (9) ist.Hearing aid (1) according to one of claims 1-5, wherein the acceleration sensor (6) is a three-axis acceleration sensor for measuring an acceleration of the hearing aid (1) in the direction of three axes (9) oriented perpendicular to one another. Hörgerät (1) nach einem der Ansprüche 1-6, wobei die Schaltung (7) so ausgelegt ist, dass die Einstellungen gesichert werden, wenn der Betrag der Beschleunigung einen vorgegebenen Schwellwert überschreitet.Hearing aid (1) according to one of claims 1-6, wherein the circuit (7) is designed so that the settings are saved when the amount of acceleration exceeds a predetermined threshold. Hörgerät (1) nach einem der Ansprüche 1-5, wobei der Beschleunigungssensor (6) ein Mikrofon (10) zur Messung einer bei einem Sturz auftretenden Beschleunigung Anhand eines Aufschlaggeräusches des Hörgeräts (1) ist.Hearing aid (1) according to any one of claims 1-5, wherein the acceleration sensor (6) is a microphone (10) for measuring an acceleration occurring during a fall on the basis of an impact noise of the hearing aid (1). Hörgerät (1) nach Anspruch 8, wobei die Schaltung (7) so ausgelegt ist, dass die Einstellungen gesichert werden, wenn die durch das Mikrofon (10) aufgenommene Lautstärke einen vorgegebenen Pegel überschreitet.Hearing aid (1) according to claim 8, wherein the circuit (7) is designed so that the settings are secured when the volume recorded by the microphone (10) exceeds a predetermined level. Hörgerät (1) nach Anspruch 8 oder 9, wobei die Schaltung (7) so ausgelegt ist, dass die Einstellungen gesichert werden, wenn die durch das Mikrofon (10) aufgenommene Geräusch ein für ein Aufschlagen des Hörgeräts (1) charakteristisches Spektrum aufweist.Hearing aid (1) according to claim 8 or 9, wherein the circuit (7) is designed so that the settings are secured when the sound recorded by the microphone (10) has a characteristic of a striking of the hearing aid (1) spectrum. Hörgerät (1) nach einem der vorhergehenden Ansprüche, wobei der Speicher (8) zum sichern von Einstellungen in Bezug auf aus zurückliegenden Benutzereingaben ermittelten Parametern des Hörgeräts (1), auf deren Grundlage das Hörgerät (1) Einstellungen selbstätig vornehmen kann, ausgelegt ist.Hearing aid (1) according to one of the preceding claims, wherein the memory (8) for securing settings with respect to parameters determined from past user inputs of the hearing aid (1), based on which the hearing aid (1) can make selbstätig settings is designed.
EP09155837A 2008-04-09 2009-03-23 Hearing aid with protection Not-in-force EP2109331B1 (en)

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DE102008018039A1 (en) 2009-10-22
EP2109331B1 (en) 2012-07-25
US20090257608A1 (en) 2009-10-15
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AU2009201358A1 (en) 2009-10-29
DK2109331T3 (en) 2012-10-22
US8175305B2 (en) 2012-05-08

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