EP1871140A1 - Hearing device with an oscillating circuit and corresponding method - Google Patents

Hearing device with an oscillating circuit and corresponding method Download PDF

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Publication number
EP1871140A1
EP1871140A1 EP07104288A EP07104288A EP1871140A1 EP 1871140 A1 EP1871140 A1 EP 1871140A1 EP 07104288 A EP07104288 A EP 07104288A EP 07104288 A EP07104288 A EP 07104288A EP 1871140 A1 EP1871140 A1 EP 1871140A1
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EP
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Prior art keywords
hearing
coil
hearing device
current
resonant circuit
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EP07104288A
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German (de)
French (fr)
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EP1871140B1 (en
Inventor
Kunibert Husung
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Sivantos GmbH
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Siemens Audioligische Technik GmbH
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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
    • H04R25/558—Remote control, e.g. of amplification, frequency
    • 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
    • H04R2225/61—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
    • H04R25/43—Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics

Definitions

  • the present invention relates to a hearing device having a housing and a coil arranged in the housing for wireless transmission. Moreover, the present invention relates to a method for controlling a hearing device.
  • the term hearing device is understood in particular to mean a hearing device. But there are also headsets, headphones and the like under this term.
  • Hearing aids are usually switched off and on by means of appropriate switches or buttons.
  • Suitable switches for this purpose are sliding, rotary or battery switch.
  • these switching elements require space in the device, which is often not available because of the small size of the device.
  • a problem with a battery-operated switch is that it may no longer be possible to operate it with an audio shoe attached.
  • hearing aid devices with integrated reed contacts, so that the hearing aids can be switched off and on with permanent magnets from the outside.
  • the magnet used in each case for switching is located, for example, in a storage box of the hearing aid. When not in use, the device is placed in this box and switched off.
  • the object of the present invention is also to propose a non-contact switch-off possibility for a hearing device, wherein optionally a further reduction of the hearing device is possible.
  • a hearing device comprising a housing and a coil arranged in the housing, and a current detection device connected to the coil for detecting a current flowing through the coil and a resonant circuit, which is located outside of the housing and with the aid of the coil Vibrations can be excited, the current flowing to the vibration excitation by the coil current is detected by the current detection device for controlling the hearing.
  • the invention provides a method for controlling a hearing device by moving a resonant circuit relative to a coil of the hearing device, detecting a current through the coil, which serves to excite the resonant circuit and which varies in dependence on the distance between the coil and the resonant circuit, and Controlling the hearing device in dependence on the detected current.
  • the invention is based on the idea that the principle used in anti-theft alarm systems in department stores to electronically secure goods is used for switching or controlling hearing devices.
  • the anti-theft alarm system triggers an alarm when a product label containing a printed circuit of an inductor and a capacitor passes the output.
  • the resonant circuit formed by the inductance and the capacitor is precisely tuned to a transmitting coil located at the output.
  • the electronic label deprives the transmitter energy, which has an increase in power consumption in the transmitter result.
  • the current change is evaluated and leads to the alarm triggering.
  • this principle is used for wireless switching or controlling the hearing device.
  • in hearing aids can be used on electronic components that are already integrated into the hearing aid anyway. Especially in this case, a reduction in the size of the hearing aid can be achieved because of special circuit components can be dispensed with on and off in the hearing aid.
  • the coil of the hearing device is a transceiver coil for communication with a further hearing device.
  • the transceiver coil is the inductive element that is installed in each hearing aid in the case of binaural supply, so that these two hearing aids can communicate with one another.
  • the current detection device may be part of an integrated circuit of the hearing device. This also saves space in the hearing device.
  • the hearing device has a switching element for switching on / off the hearing device, wherein the switching element is switched in dependence on the detected current.
  • the switching element the hearing device off when the detected current exceeds a predetermined first threshold.
  • the switching element can switch on the hearing device if the detected current falls below a predetermined second threshold value.
  • the oscillating circuit circuit can also be used to switch the hearing device.
  • a hearing aid can be switched to another hearing aid program.
  • the current intensity of the current flowing through the coil is detected quantitatively and a parameter of the hearing device is controlled depending on the current intensity. It is thus possible, for example, to control the volume or the amplification of a hearing device by bringing the resonant circuit into the desired distance from the hearing device for a specific time. Thus, therefore, a continuous control of the hearing by wireless technology is possible.
  • the oscillating circuit circuit is integrated in a storage box for the hearing device.
  • the hearing device is switched off when it is in the storage box and is not needed. In this way it can be avoided that the user forgets to switch off the hearing device when not in use.
  • the circuit diagram reproduced in the FIGURE shows, inter alia, the basic components of a hearing aid. Accordingly, a microphone M picks up the sound and outputs a corresponding input signal to a preamplifier VV.
  • This preamplifier VV includes an A / D converter and a voltage regulator.
  • Another input source is a telecoil TS, which receives inductive signals from telephones.
  • the output signal of the preamplifier is forwarded to a digital signal processing SV with clocked output stage. This is powered by a battery B together with the preamplifier with energy. Furthermore, the signal processing SV receives a control signal from a controller VC for volume adjustment. In addition, the digital signal processing SV can also be controlled by a situation key ST. This can be switched depending on the hearing situation in a corresponding hearing aid program. In addition, the digital signal processing SV can be supplied with programming data via a programming socket PB. The output signal of the digital signal processing is finally supplied to a receiver H.
  • the hearing aid device shown by way of example in FIG. 1 is equipped with a transceiver coil TC, with which communication with, for example, another hearing device is possible.
  • the radio transmission takes place at a certain frequency.
  • a resonant circuit RK consisting of an inductance L and a capacitance C, tuned to the operating frequency of the transmission system with the transceiver coil TC in the immediate vicinity of the transmitter, ie. H. brought the transceiver coil TC. This deprives the transmitter of energy. This physical effect is now used to turn off the hearing aid in a defined manner.
  • the transceiver coil TC thus receives the additional functionality of a transmitter for an RF switch.
  • the necessary detector for detecting the current or the current through the transceiver coil TC is here integrated into the wireless signal processing WS for the sake of simplicity.
  • the detector can thus be used together with the transceiver coil TC and the resonant circuit RK as an RF switch.
  • the resonant circuit RK is conveniently integrated into the storage box of the hearing aid. Then, when an on-hook hearing aid is placed in the box, it is turned off by utilizing the above-described effect. If you take the device out of the box again, the transceiver coil will no longer be deprived of energy so that the hearing aid is automatically switched on again. When switched off, the monitoring circuit requires only a small standby current.
  • the breaker since the breaker only requires a resonant circuit as an actuator, no separate power supply for the actuator is necessary. In addition, the resonant circuit causes little cost.
  • a magnetic switch can be used for switching, for example, in a telephone program, since the two switches do not influence each other.
  • the interference immunity to other electronic components can be ensured by correspondingly high frequency selectivity, namely by the quality of the resonant circuit is chosen suitably high.
  • the RF switch can save a mechanical switch, which usually reduces the frequency of repairs. In addition, the saving leads to smaller devices, which is why the RF switch is particularly advantageous for in-ear hearing aids with e 2 e technology.

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  • Otolaryngology (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Neurosurgery (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
  • Prostheses (AREA)
  • Transmitters (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Amplifiers (AREA)
  • Headphones And Earphones (AREA)

Abstract

The device has a transceiver coil (TC) in a housing. A wireless signal processing and detector device (WS) is connected to the coil for detection of current flowing through the coil. A resonant circuit (RK) is provided outside the housing, where the current flowing through the coil is controlled by the detector device for controlling the hearing aid device. A switching unit is provided for switching on and off the hearing aid device. An independent claim is also included for a method for controlling a hearing device.

Description

Die vorliegende Erfindung betrifft eine Hörvorrichtung mit einem Gehäuse und einer in dem Gehäuse angeordneten Spule zur drahtlosen Übertragung. Darüber hinaus betrifft die vorliegende Erfindung ein Verfahren zum Steuern einer Hörvorrichtung. Unter dem Begriff Hörvorrichtung wird hier insbesondere ein Hörgerät verstanden. Es fallen aber auch Headsets, Kopfhörer und dergleichen unter diesen Begriff.The present invention relates to a hearing device having a housing and a coil arranged in the housing for wireless transmission. Moreover, the present invention relates to a method for controlling a hearing device. The term hearing device is understood in particular to mean a hearing device. But there are also headsets, headphones and the like under this term.

Hörhilfegeräte werden in der Regel mittels entsprechender Schalter bzw. Taster aus- und eingeschaltet. Geeignete Schalter hierfür sind Schiebe-, Dreh- oder Batteriefachschalter. Diese Schaltelemente benötigen jedoch Bauraum im Gerät, welcher häufig wegen der Kleinheit der Geräte nicht zur Verfügung steht. Bei einem Batteriefachschalter besteht darüber hinaus das Problem, dass dieser bei einem aufgesteckten Audioschuh unter Umständen nicht mehr bedient werden kann.Hearing aids are usually switched off and on by means of appropriate switches or buttons. Suitable switches for this purpose are sliding, rotary or battery switch. However, these switching elements require space in the device, which is often not available because of the small size of the device. In addition, a problem with a battery-operated switch is that it may no longer be possible to operate it with an audio shoe attached.

Zur Vermeidung von voluminösen Schaltern gibt es auch Hörhilfegeräte mit integrierten Reedkontakten, so dass sich die Hörhilfegeräte von außen mit Permanentmagneten aus- und einschalten lassen. Der jeweils zum Schalten verwendete Magnet befindet sich beispielsweise in einer Aufbewahrungsbox des Hörhilfegeräts. Bei Nichtgebrauch wird das Gerät in diese Box gelegt und damit ausgeschaltet.To avoid voluminous switches, there are also hearing aid devices with integrated reed contacts, so that the hearing aids can be switched off and on with permanent magnets from the outside. The magnet used in each case for switching is located, for example, in a storage box of the hearing aid. When not in use, the device is placed in this box and switched off.

Aus der DE 31 09 049 C2 ist ein Hörgerät mit einem gegen äußere Beeinträchtigungen unempfindlichen Reed-Kontakt-Schalter bekannt.From the DE 31 09 049 C2 is a hearing aid with a insensitive to external impairments reed contact switch known.

Die Aufgabe der vorliegenden Erfindung besteht darin, ebenfalls eine berührungslose Ausschaltmöglichkeit für eine Hörvorrichtung vorzuschlagen, wobei gegebenenfalls eine weitere Verkleinerung der Hörvorrichtung möglich ist. Erfindungsgemäß wird diese Aufgabe gelöst durch eine Hörvorrichtung mit einem Gehäuse und einer in dem Gehäuse angeordneten Spule, sowie einer an die Spule angeschlossene Stromerfassungseinrichtung zum Erfassen eines durch die Spule fließenden Stroms und einer Schwingkreisschaltung, die sich außerhalb des Gehäuses befindet und die mit Hilfe der Spule zu Schwingungen anregbar ist, wobei der zur Schwingungsanregung durch die Spule fließende Strom von der Stromerfassungseinrichtung zur Steuerung der Hörvorrichtung erfasst wird.The object of the present invention is also to propose a non-contact switch-off possibility for a hearing device, wherein optionally a further reduction of the hearing device is possible. According to the invention This object is achieved by a hearing device comprising a housing and a coil arranged in the housing, and a current detection device connected to the coil for detecting a current flowing through the coil and a resonant circuit, which is located outside of the housing and with the aid of the coil Vibrations can be excited, the current flowing to the vibration excitation by the coil current is detected by the current detection device for controlling the hearing.

Darüber hinaus wird erfindungsgemäß bereitgestellt ein Verfahren zum Steuern einer Hörvorrichtung durch Bewegen einer Schwingkreisschaltung relativ zu einer Spule der Hörvorrichtung, Erfassen eines Stroms durch die Spule, der zur Anregung der Schwingkreisschaltung dient und der sich in Abhängigkeit von dem Abstand zwischen Spule und Schwingkreisschaltung ändert, und Steuern der Hörvorrichtung in Abhängigkeit von dem erfassten Strom.Moreover, the invention provides a method for controlling a hearing device by moving a resonant circuit relative to a coil of the hearing device, detecting a current through the coil, which serves to excite the resonant circuit and which varies in dependence on the distance between the coil and the resonant circuit, and Controlling the hearing device in dependence on the detected current.

Der Erfindung liegt der Gedanke zu Grunde, das bei Diebstahlwarnanlagen in Kaufhäusern eingesetzte Prinzip, Waren elektronisch zu sichern, zum Schalten bzw. Steuern von Hörvorrichtungen zu verwenden. Bei der Diebstahlwarnanlage wird ein Alarm ausgelöst, wenn ein Warenetikett, das eine gedruckte Schaltung aus einer Induktivität und einem Kondensator beinhaltet, den Ausgang passiert. Der aus der Induktivität und dem Kondensator gebildete Resonanzkreis ist auf eine am Ausgang befindliche Sendespule genau abgestimmt. Das elektronische Etikett entzieht dem Sender Energie, was eine Stromaufnahmeerhöhung im Sender zur Folge hat. Die Stromänderung wird ausgewertet und führt zu der Alarmauslösung. In vorteilhafter Weise wird dieses Prinzip zum drahtlosen Schalten bzw. Steuern der Hörvorrichtung verwendet. Insbesondere bei Hörgeräten kann dabei auf Elektronikkomponenten zurückgegriffen werden, die ohnehin bereits in das Hörgerät integriert sind. Besonders in diesem Fall lässt sich eine Reduzierung der Baugröße des Hörgeräts erreichen, da auf spezielle Schaltungskomponenten zum Ein- und Ausschalten im Hörgerät verzichtet werden kann.The invention is based on the idea that the principle used in anti-theft alarm systems in department stores to electronically secure goods is used for switching or controlling hearing devices. The anti-theft alarm system triggers an alarm when a product label containing a printed circuit of an inductor and a capacitor passes the output. The resonant circuit formed by the inductance and the capacitor is precisely tuned to a transmitting coil located at the output. The electronic label deprives the transmitter energy, which has an increase in power consumption in the transmitter result. The current change is evaluated and leads to the alarm triggering. Advantageously, this principle is used for wireless switching or controlling the hearing device. In particular, in hearing aids can be used on electronic components that are already integrated into the hearing aid anyway. Especially in this case, a reduction in the size of the hearing aid can be achieved because of special circuit components can be dispensed with on and off in the hearing aid.

Vorzugsweise ist die Spule der Hörvorrichtung eine Transceiverspule zur Kommunikation mit einer weiteren Hörvorrichtung. Insbesondere handelt es sich bei der Transceiverspule um das induktive Element, das bei binauraler Versorgung in jedem Hörgerät eingebaut wird, so dass diese beiden Hörgeräte miteinander kommunizieren können.Preferably, the coil of the hearing device is a transceiver coil for communication with a further hearing device. In particular, the transceiver coil is the inductive element that is installed in each hearing aid in the case of binaural supply, so that these two hearing aids can communicate with one another.

Die Stromerfassungseinrichtung kann Teil eines integrierten Schaltkreises der Hörvorrichtung sein. Auch hierdurch lässt sich Platz in der Hörvorrichtung einsparen.The current detection device may be part of an integrated circuit of the hearing device. This also saves space in the hearing device.

Darüber hinaus ist es vorteilhaft, wenn die Hörvorrichtung ein Schaltelement zum Ein/Ausschalten der Hörvorrichtung aufweist, wobei das Schaltelement in Abhängigkeit von dem erfassten Strom geschaltet wird. Dabei kann das Schaltelement die Hörvorrichtung ausschalten, wenn der erfasste Strom einen vorgegebenen ersten Schwellwert übersteigt. Des Weiteren kann das Schaltelement die Hörvorrichtung einschalten, wenn der erfasste Strom einen vorgegebenen zweiten Schwellwert unterschreitet.Moreover, it is advantageous if the hearing device has a switching element for switching on / off the hearing device, wherein the switching element is switched in dependence on the detected current. In this case, the switching element, the hearing device off when the detected current exceeds a predetermined first threshold. Furthermore, the switching element can switch on the hearing device if the detected current falls below a predetermined second threshold value.

Neben diesem reinen Ein- und Ausschalten kann die Schwingkreisschaltung auch dazu verwendet werden, die Hörvorrichtung umzuschalten. So kann beispielsweise ein Hörgerät in ein anderes Hörgeräteprogramm geschaltet werden. In einer weiter verfeinerten Ausgestaltung wird die Stromstärke des durch die Spule fließenden Stroms quantitativ erfasst und ein Parameter der Hörvorrichtung stromstärkeabhängig gesteuert. So ist es beispielsweise möglich, die Lautstärke bzw. die Verstärkung eines Hörgeräts dadurch zu steuern, dass der Schwingkreis für eine bestimmte Zeit in die gewünschte Entfernung zum Hörgerät gebracht wird. Damit ist also auch eine kontinuierliche Steuerung der Hörvorrichtung durch drahtlose Technik möglich.In addition to this pure switching on and off, the oscillating circuit circuit can also be used to switch the hearing device. For example, a hearing aid can be switched to another hearing aid program. In a further refinement, the current intensity of the current flowing through the coil is detected quantitatively and a parameter of the hearing device is controlled depending on the current intensity. It is thus possible, for example, to control the volume or the amplification of a hearing device by bringing the resonant circuit into the desired distance from the hearing device for a specific time. Thus, therefore, a continuous control of the hearing by wireless technology is possible.

Entsprechend einer vorteilhaften Weiterbildung der erfindungsgemäßen Hörvorrichtung ist die Schwingkreisschaltung in eine Aufbewahrungsbox für die Hörvorrichtung integriert. In diesem Fall wird die Hörvorrichtung ausgeschaltet, wenn sie sich in der Aufbewahrungsbox befindet und nicht gebraucht wird. Auf diese Weise kann vermieden werden, dass der Benutzer vergisst, die Hörvorrichtung bei Nichtgebrauch abzuschalten.According to an advantageous development of the hearing device according to the invention, the oscillating circuit circuit is integrated in a storage box for the hearing device. In this case, the hearing device is switched off when it is in the storage box and is not needed. In this way it can be avoided that the user forgets to switch off the hearing device when not in use.

Die vorliegende Erfindung wird nun anhand der beigefügten Zeichnung näher erläutert, die ein Prinzipschaltbild eines erfindungsgemäßen Hörhilfegeräts zeigt.The present invention will now be explained in more detail with reference to the accompanying drawing, which shows a block diagram of a hearing aid according to the invention.

Die nachfolgend näher geschilderten Ausführungsbeispiele stellen bevorzugte Ausführungsformen der vorliegenden Erfindung dar.The embodiments described in more detail below represent preferred embodiments of the present invention.

Das in der FIG wiedergegebene Schaltbild zeigt unter anderem die Grundkomponenten eines Hörhilfegeräts. Demnach nimmt ein Mikrofon M den Schall auf und gibt ein entsprechendes Eingangssignal an einen Vorverstärker VV weiter. Dieser Vorverstärker VV beinhaltet einen A/D-Wandler und einen Spannungsregler. Als weitere Eingangsquelle dient eine Telefonspule TS, die induktive Signale von Telefonen aufnimmt.The circuit diagram reproduced in the FIGURE shows, inter alia, the basic components of a hearing aid. Accordingly, a microphone M picks up the sound and outputs a corresponding input signal to a preamplifier VV. This preamplifier VV includes an A / D converter and a voltage regulator. Another input source is a telecoil TS, which receives inductive signals from telephones.

Das Ausgangssignal des Vorverstärkers wird an eine digitale Signalverarbeitung SV mit getakteter Endstufe weitergeleitet. Diese wird zusammen mit dem Vorverstärker von einer Batterie B mit Energie gespeist. Weiterhin erhält die Signalverarbeitung SV ein Stellsignal von einem Steller VC zur Lautstärkeeinstellung. Darüber hinaus kann die digitale Signalverarbeitung SV auch durch eine Situationstaste ST angesteuert werden. Dadurch kann je nach Hörsituation in ein entsprechendes Hörgeräteprogramm geschaltet werden. Außerdem kann die digitale Signalverarbeitung SV über eine Programmierbuchse PB mit Programmierdaten versorgt werden. Das Ausgangssignal der digitalen Signalverarbeitung wird schließlich einem Hörer H zugeführt.The output signal of the preamplifier is forwarded to a digital signal processing SV with clocked output stage. This is powered by a battery B together with the preamplifier with energy. Furthermore, the signal processing SV receives a control signal from a controller VC for volume adjustment. In addition, the digital signal processing SV can also be controlled by a situation key ST. This can be switched depending on the hearing situation in a corresponding hearing aid program. In addition, the digital signal processing SV can be supplied with programming data via a programming socket PB. The output signal of the digital signal processing is finally supplied to a receiver H.

Weiterhin ist das in der FIG beispielhaft dargestellte Hörhilfegerät mit einer Transceiverspule TC ausgestattet, mit der eine Kommunikation beispielsweise mit einem anderen Hörgerät möglich ist. Die Auswertung bzw. Ansteuerung der Transceiverspule TC erfolgt über eine Wireless-Signalverarbeitung WS, die mit der zentralen Signalverarbeitung SV verbunden ist. Die Funkübertragung erfolgt auf einer bestimmten Frequenz.Furthermore, the hearing aid device shown by way of example in FIG. 1 is equipped with a transceiver coil TC, with which communication with, for example, another hearing device is possible. The evaluation or control of the transceiver coil TC via a wireless signal processing WS, which is connected to the central signal processing SV. The radio transmission takes place at a certain frequency.

Erfindungsgemäß wird nun ein Schwing- bzw. Resonanzkreis RK bestehend aus einer Induktivität L und einer Kapazität C, abgestimmt auf die Arbeitsfrequenz des Übertragungssystems mit der Transceiverspule TC in unmittelbare Nähe des Senders, d. h. der Transceiverspule TC gebracht. Dadurch wird dem Sender Energie entzogen. Dieser physikalische Effekt wird nun dazu genutzt, das Hörhilfegerät definiert auszuschalten.According to the invention, a resonant circuit RK consisting of an inductance L and a capacitance C, tuned to the operating frequency of the transmission system with the transceiver coil TC in the immediate vicinity of the transmitter, ie. H. brought the transceiver coil TC. This deprives the transmitter of energy. This physical effect is now used to turn off the hearing aid in a defined manner.

Die Transceiverspule TC erhält somit die zusätzliche Funktionalität eines Senders für einen HF-Schalter. Der notwendige Detektor zur Erfassung des Stroms bzw. der Stromstärke durch die Transceiverspule TC ist der Einfachheit halber hier in die Wireless-Signalverarbeitung WS integriert. Der Detektor kann somit zusammen mit der Transceiverspule TC und dem Resonanzkreis RK als HF-Schalter verwendet werden.The transceiver coil TC thus receives the additional functionality of a transmitter for an RF switch. The necessary detector for detecting the current or the current through the transceiver coil TC is here integrated into the wireless signal processing WS for the sake of simplicity. The detector can thus be used together with the transceiver coil TC and the resonant circuit RK as an RF switch.

Der Resonanzkreis RK wird günstigerweise in die Aufbewahrungsbox des Hörhilfegeräts integriert. Wenn dann ein eingeschaltetes Hörhilfegerät in der Box platziert wird, wird es unter Ausnutzung des oben beschriebenen Effekts ausgeschaltet. Nimmt man das Gerät wieder aus der Box, so wird der Transceiverspule keine Energie mehr entzogen, so dass das Hörhilfegerät wieder automatisch eingeschaltet wird. Im ausgeschalteten Zustand benötigt die Überwachungsschaltung nur einen geringen Standby-Strom.The resonant circuit RK is conveniently integrated into the storage box of the hearing aid. Then, when an on-hook hearing aid is placed in the box, it is turned off by utilizing the above-described effect. If you take the device out of the box again, the transceiver coil will no longer be deprived of energy so that the hearing aid is automatically switched on again. When switched off, the monitoring circuit requires only a small standby current.

Üblicherweise ist bei der drahtlosen Kommunikation zwischen zwei Hörgeräten (e2e Wireless) bereits eine Auswerteschaltung zum Erfassen des durch die Transceiverspule TC fließenden Sendestroms in die Wireless-Signalverarbeitung WS integriert. Dadurch ist eine Kalibrierung des Stroms durch die Spule möglich. Diese Stromerfassungseinheit kann nun auch für die Stromerfassung beim Schalten mit dem externen Resonanzkreis RK genutzt werden, so dass für dieses erfindungsgemäße drahtlose Schalten keine zusätzliche Spule und kaum zusätzliche Auswerteschaltungselemente notwendig sind. Die für das Schalten notwendigen zusätzlichen Elemente können in das bestehende IC der Hörhilfevorrichtung integriert werden.Usually, in the wireless communication between two hearing aids (e 2 e wireless) already an evaluation circuit integrated into the wireless signal processing WS for detecting the transmission current flowing through the transceiver coil TC. This allows calibration of the current through the coil. This current detection unit can now also be used for current detection when switching with the external resonant circuit RK, so that no additional coil and hardly any additional evaluation circuit elements are necessary for this inventive wireless switching. The additional elements necessary for the switching can be integrated into the existing IC of the hearing aid device.

Da der Ausschalter als Betätigungselement lediglich einen Resonanzkreis benötigt, ist keine eigene Stromversorgung für das Betätigungselement notwendig. Außerdem verursacht der Resonanzkreis nur geringe Kosten.Since the breaker only requires a resonant circuit as an actuator, no separate power supply for the actuator is necessary. In addition, the resonant circuit causes little cost.

Wird der erfindungsgemäße HF-Schalter zum An- und Ausschalten des Hörhilfegeräts eingesetzt, so kann weiterhin ein Magnetschalter zum Schalten beispielsweise in ein Telefonprogramm verwendet werden, da sich die beiden Schalter gegenseitig nicht beeinflussen. Die Störsicherheit auch gegenüber anderen elektronischen Komponenten kann durch entsprechend hohe Frequenzselektivität gewährleistet werden, indem nämlich die Güte des Resonanzkreises geeignet hoch gewählt wird.If the RF switch according to the invention is used for switching the hearing aid on and off, then a magnetic switch can be used for switching, for example, in a telephone program, since the two switches do not influence each other. The interference immunity to other electronic components can be ensured by correspondingly high frequency selectivity, namely by the quality of the resonant circuit is chosen suitably high.

Durch den HF-Schalter kann ein mechanischer Schalter eingespart werden, wodurch in der Regel auch die Häufigkeit von Reparaturen sinkt. Außerdem führt die Einsparung zu kleineren Geräten, weshalb der HF-Schalter insbesondere auch bei Indem-Ohr-Hörgeräten mit e2e-Technologie vorteilhaft ist.The RF switch can save a mechanical switch, which usually reduces the frequency of repairs. In addition, the saving leads to smaller devices, which is why the RF switch is particularly advantageous for in-ear hearing aids with e 2 e technology.

Claims (10)

Hörvorrichtung mit - einem Gehäuse und - einer in dem Gehäuse angeordneten Spule (TC), gekennzeichnet durch - eine an die Spule (TC) angeschlossene Stromerfassungseinrichtung (WS) zum Erfassen eines durch die Spule fließenden Stroms und - eine Schwingkreisschaltung (RK), die sich außerhalb des Gehäuses befindet und die mit Hilfe der Spule (TC) zu Schwingungen anregbar ist, wobei der zur Schwingungsanregung durch die Spule fließende Strom von der Stromerfassungseinrichtung (WS) zur Steuerung der Hörvorrichtung erfasst wird. Hearing device with - a housing and - A arranged in the housing coil (TC), characterized by - A to the coil (TC) connected current detecting means (WS) for detecting a current flowing through the coil and - A resonant circuit (RK), which is located outside of the housing and which can be excited to oscillate by means of the coil (TC), wherein the voltage for exciting excitation current through the coil is detected by the current detection means (WS) for controlling the hearing device. Hörvorrichtung nach Anspruch 1, wobei die Spule (TC) eine Transceiverspule zur Kommunikation mit einer weiteren Hörvorrichtung ist.Hearing apparatus according to claim 1, wherein the coil (TC) is a transceiver coil for communication with another hearing device. Hörvorrichtung nach Anspruch 1 oder 2, wobei die Stromerfassungseinrichtung (WS) Teil eines integrierten Schaltkreises der Hörvorrichtung ist.Hearing apparatus according to claim 1 or 2, wherein the current detection means (WS) is part of an integrated circuit of the hearing device. Hörvorrichtung nach einem der vorhergehenden Ansprüche, die ein Schaltelement zum Ein/Ausschalten der Hörvorrichtung aufweist, wobei das Schaltelement in Abhängigkeit von dem erfassten Strom geschaltet wird.Hearing apparatus according to one of the preceding claims, comprising a switching element for switching on / off the hearing device, wherein the switching element is switched in response to the detected current. Hörvorrichtung nach Anspruch 4, wobei das Schaltelement die Hörvorrichtung ausschaltet, wenn der erfasste Strom einen vorgegebenen ersten Schwellwert übersteigt.Hearing apparatus according to claim 4, wherein the switching element turns off the hearing device when the detected current exceeds a predetermined first threshold. Hörvorrichtung nach Anspruch 4 oder 5, wobei das Schaltelement die Hörvorrichtung einschaltet, wenn der erfasste Strom einen vorgegebenen zweiten Schwellwert unterschreitet.Hearing apparatus according to claim 4 or 5, wherein the switching element turns on the hearing device when the detected current falls below a predetermined second threshold. Hörvorrichtung nach einem der vorhergehenden Ansprüche, wobei die Schwingkreisschaltung in eine Aufbewahrungsbox für die Hörvorrichtung integriert ist.Hearing apparatus according to one of the preceding claims, wherein the resonant circuit is integrated in a storage box for the hearing device. Hörvorrichtung nach einem der vorhergehenden Ansprüche, die als Hörgerät ausgebildet ist.Hearing apparatus according to one of the preceding claims, which is designed as a hearing aid. Verfahren zum Steuern einer Hörvorrichtung gekennzeichnet durch - Bewegen einer Schwingkreisschaltung (RK) relativ zu einer Spule (TC) der Hörvorrichtung, - Erfassen eines Stroms durch die Spule (TC), der zur Anregung der Schwingkreisschaltung (RK) dient und der sich in Abhängigkeit von dem Abstand zwischen Spule und Schwingkreisschaltung ändert, und - Steuern der Hörvorrichtung in Abhängigkeit von dem erfassten Strom. A method for controlling a hearing device characterized by Moving a resonant circuit (RK) relative to a coil (TC) of the hearing device, - Detecting a current through the coil (TC), which serves to excite the resonant circuit (RK) and which varies as a function of the distance between the coil and the resonant circuit, and - controlling the hearing device as a function of the detected current. Verfahren nach Anspruch 9, wobei die Hörvorrichtung in Abhängigkeit von dem erfassten Strom ein- und ausgeschaltet wird.The method of claim 9, wherein the hearing device is turned on and off in response to the detected current.
EP07104288A 2006-05-26 2007-03-16 Hearing device with an oscillating circuit and corresponding method Active EP1871140B1 (en)

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ATE400159T1 (en) 2008-07-15
DK1871140T3 (en) 2009-01-19
EP1871140B1 (en) 2008-07-02
DE502007000030D1 (en) 2008-08-14

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