DE3508830A1 - Hearing aid - Google Patents

Hearing aid

Info

Publication number
DE3508830A1
DE3508830A1 DE19853508830 DE3508830A DE3508830A1 DE 3508830 A1 DE3508830 A1 DE 3508830A1 DE 19853508830 DE19853508830 DE 19853508830 DE 3508830 A DE3508830 A DE 3508830A DE 3508830 A1 DE3508830 A1 DE 3508830A1
Authority
DE
Germany
Prior art keywords
hearing aid
receiver
transmitter
otoplastic
power source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
DE19853508830
Other languages
German (de)
Inventor
Wolfgang Backasch
Rainer Dipl.-Ing. 1000 Berlin Maas
Werner Dipl.-Ing. 4000 Düsseldorf Oberbach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19853508830 priority Critical patent/DE3508830A1/en
Priority to CH535285A priority patent/CH668341A5/en
Priority to DK102086A priority patent/DK102086A/en
Priority to JP5161586A priority patent/JPS61213000A/en
Publication of DE3508830A1 publication Critical patent/DE3508830A1/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55—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

Abstract

A hearing aid is proposed which combines the advantages of a hearing aid to be worn in the ear with the advantages of a hearing aid to be worn behind the ear or in the pocket. In the hearing aid according to the invention, the earpiece (22) is located outside the hearing aid housing (10) in an otoplastic body (20). The connection between an amplifier (12) of the hearing aid and the earpiece (22) is wireless. In an illustrative embodiment, an ultrasonic or infrared connection is provided as wireless connection. In this arrangement, an ultrasonic or infrared transmitter accommodated in the hearing aid housing (10) is connected to the amplifier output (13). The otoplastic body (20) contains a corresponding ultrasonic or infrared receiver and its own power source (23) for supplying the receiver with power. The output of the receiver is connected to the earpiece (22), the sound exit piece (24) of which passes into a sound duct (25) which ends in a sound exit opening (26) in the otoplastic body. <IMAGE>

Description

HörgerätHearing aid

Stand der Technik Die Erfindung geht von einem Hörgerät nach der Gattung des Anspruchs 1 aus.PRIOR ART The invention is based on a hearing aid of the type of claim 1 from.

Es ist schon ein Hörgerät bekannt (Philips, "Hör-System"), bei dem die Vorteile eines in dem Ohr zu tragenden Hörers und eines hinter dem Ohr zu tragenden Verstärkers kombiniert werden. Der in der Otoplastik befindliche Hörer läßt die Schallübertragung für den Hörgerätebenutzer besonders natürlich erscheinen, und der hinter dem Ohr zu tragende Verstärker hat den Vorteil, daß er auch für kompliziertere Hörstörungen konzipiert sein kann. Bei dem bekannten Hörgerät wird der Hörbügel eines hinter dem Ohr zu tragenden Verstärkers über eine an den Hörgeräteverstärker angeschlossene elektrische Leitung mit dem Hörer in der Otoplastik verbunden. Die erforderliche elektrische Leitung stellt jedoch ebenso wie der Hörschlauch bekannter hinter dem Ohr zu tragender Hörgeräte ein störendes Bauelement dar, das nicht nur unschön aussieht, sondern das zum Beispiel bei einem Taschenhörgerät den Benutzer behindern kann.A hearing aid is already known (Philips, "hearing system") in which the advantages of an in-ear and behind-the-ear earphone Amplifier can be combined. The listener located in the otoplastic leaves the Sound transmission appear particularly natural to the hearing aid user, and the behind-the-ear amplifier has the advantage that it can also be used for more complex ones Hearing impairment can be designed. In the known hearing aid, the hearing bracket an amplifier to be worn behind the ear via one to the hearing aid amplifier connected electrical line connected to the receiver in the otoplastic. the However, the necessary electrical line, like the hearing tube, is better known Hearing aids to be worn behind the ear represent a disruptive component that not only looks unattractive, but that, for example with a pocket hearing aid, affects the user can hinder.

Vorteile der Erfindung Das erfindungsgemäße Hörgerät mit den kennzeichnenden Merkmalen des Anspruchs 1 hat den Vorteil, daß zwischen dem Hörgerätegehäuse und der Otoplastik bzw. dem darin enthaltenen Hörer keine kosmetisch oder mechanisch störende Verbindung besteht. Ein weiterer Vorteil ergibt sich aus der räumlichen Trennung von Hörer und Mikrofon, so daß Hörgeräte mit verhältnismäßig hohem Ausgangsschalldruckpegel realisiert werden können, ohne daß eine Rückkopplung zu befürchten ist.Advantages of the invention The hearing aid according to the invention with the characterizing Features of claim 1 has the advantage that between the hearing aid housing and the otoplastic or the receiver contained therein is not cosmetic or mechanical there is a disturbing connection. Another benefit arises from the spatial separation of the listener and microphone, so that hearing aids with relative high output sound pressure level can be realized without feedback is to be feared.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im Anspruch 1 angegebenen Hörgerätes möglich. Besonders vorteilhaft ist ein erfindungsgemäßes Hörgerät, bei dem die übertragungsstrecke eine induktive Übertragungsstrecke ist, wobei der Sender eine Sendespule, der Empfänger eine Empfangsspule und die Otoplastik eine Stromquelle zum Betreiben des Empfängers aufweisen. Bei dieser Art der drahtlosen Verbindung sind keine technischen Schwierigkeiten zu erwarten.The measures listed in the subclaims are advantageous Further developments and improvements of the hearing aid specified in claim 1 are possible. A hearing aid according to the invention in which the transmission path is an inductive transmission path, the transmitter being a transmitter coil, the receiver a receiving coil and the otoplastic a power source for operating the receiver exhibit. There are no technical difficulties with this type of wireless connection expected.

Zeichnung Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung an Hand einer einzigen Figur in Form eines stark vereinfachten Blockschaltbildes dargestellt.Drawing An embodiment of the invention is shown in the drawing using a single figure in the form of a greatly simplified block diagram shown.

Beschreibung der Erfindung In der einzigen Figur bezeichnet 10 ein durch strichpunktierte Linien angedeutetes Gehäuse eines zum Beispiel in einer Tasche eines Kleidungsstücks zu tragenden Hörgerätes. Das Gehäuse enthält ein Mikrofon 11, an das sich ein Hörgeräteverstärker 12 anschließt, dessen Ausgang 13 mit einem Sender 14 verbunden ist. Eine Stromquelle 15 dient zur Stromversorgung von Mikrofon, Verstärker und Sender. Eine von dem Hörgerätebenutzer im Ohr getragene Otoplastik 20 enthält einen Empfänger 21, einen damit verbundenen Hörer 22 und gegebenenfalls eine eigene Stromquelle 23 für den Empfänger. Der Hörer weist einen Schallaustrittsstutzen 24 auf, der über einen Schallkanal 25 mit einer Schallöffnung 26 der Otoplastik 20 in Verbindung steht. Zwischen dem Sender 14 und dem Empfänger 21 besteht eine durch gestrichelte Linien angedeutete Übertragungsstrecke 27.Description of the invention In the single figure, 10 denotes a Housing indicated by dash-dotted lines, for example in a pocket of a piece of clothing to be worn hearing aid. The case contains a microphone 11, which is followed by a hearing aid amplifier 12, the output 13 of which is connected to a Transmitter 14 is connected. A power source 15 is used to power the microphone, Amplifier and transmitter. An otoplastic worn in the ear by the hearing aid user 20 contains a receiver 21, a receiver 22 connected to it, and optionally its own power source 23 for the receiver. The receiver has a sound outlet nozzle 24, which has a sound channel 25 with a sound opening 26 of the otoplastic 20 communicates. There is one between the transmitter 14 and the receiver 21 Transmission path 27 indicated by dashed lines.

Die Wirkungsweise eines Hörgerätes gemäß dem vorstehend erläuterten Blockschaltbild ist folgende.The mode of operation of a hearing aid according to that explained above The block diagram is as follows.

Das Hörgerätegehäuse 10 mit dem Mikrofon 11, dem Verstärker 12, dem Sender 14 und der Stromquelle 15 sowie die Otoplastik 20 mit dem Empfänger 21, dem Hörer 22 und der Stromquelle 23 bilden zusammen ein erfindungsgemäßes Hörgerät. Ein von dem Mikrofon 11 aufgenommenes Schallsignal wird in bekannter Weise in ein elektrisches Signal umgewandelt und mit dem Verstärker 12 verstärkt. Das Ausgangssignal des Verstärkers 12 gelangt nun nicht, wie bei den bisherigen Hörgeräten, über eine galvanische Verbindung an den Hörer 22, sondern zunächst an den Sender 14, der die verstärkten Signale drahtlos aussendet.The hearing aid housing 10 with the microphone 11, the amplifier 12, the Transmitter 14 and the power source 15 and the otoplastic 20 with the receiver 21, the The earpiece 22 and the power source 23 together form a hearing aid according to the invention. A sound signal picked up by the microphone 11 is in a known manner in a electrical signal converted and amplified with the amplifier 12. The output signal of the amplifier 12 is now not, as in previous hearing aids, on a galvanic connection to the handset 22, but first to the transmitter 14, which the sends out amplified signals wirelessly.

Als Sender 14 kommt wahlweise ein Ultraschallsender, ein Infrarotsender, ein für eine induktive Übertragung geeigneter Sender oder ein Hochfrequenzsender in Frage. Die von dem Sender 14 abgestrahlten Signale werden mit dem entsprechenden Empfänger 21 der Otoplastik 20 empfangen. Der Ausgang des Empfängers liefert dann die tonfrequenten Signale an den Hörer 22, der diese in Schallsignale umwandelt, die über den Schallkanal 25 der Otoplastik in das Ohr des Hörgerätebenutzers gelangen.The transmitter 14 optionally includes an ultrasonic transmitter, an infrared transmitter, a transmitter suitable for inductive transmission or a high-frequency transmitter in question. The signals emitted by the transmitter 14 are matched with the corresponding Receiver 21 of the otoplastic 20 received. The output of the receiver then delivers the audio-frequency signals to the listener 22, who converts them into sound signals, which reach the ear of the hearing aid user via the sound channel 25 of the otoplastic.

Einen gegebenenfalls für den Empfänger 21 benötigten Gleichstrom liefert die Stromquelle 23, das ist vorzugsweise eine auswechselbar in der Otoplastik untergebrachte Batterie bzw. ein Akkumulator.Provides a direct current that may be required for the receiver 21 the power source 23, which is preferably a replaceable one housed in the otoplastic Battery or an accumulator.

Bei einem hinter dem Ohr zu tragenden Hörgerät mit optischem Sender und optischem Empfänger kann die Übertragungsstrecke 27 vorteilhafterweise aus einem Lichtwellenleiter bestehen, da diese Strecke nur sehr kurz zu sein braucht und im Gegensatz zu einer Drahtverbindung kaum zu sehen ist. Während bei einer hochfrequenten Übertragungsstrecke 27 Sender und Empfänger eine Sende- oder Empfangsantenne aufweisen, ist bei einer induktiven Übertragung eine Sendeschleife bzw. eine Empfangsspule vorzusehen.For a behind-the-ear hearing aid with an optical transmitter and optical receiver, the transmission link 27 can advantageously consist of one There are fiber optic cables because this route only needs to be very short and in the In contrast to a wire connection, it can hardly be seen. While at a high frequency Transmission path 27 transmitter and receiver have a transmitting or receiving antenna, is a transmitting loop or a receiving coil for inductive transmission to be provided.

Bei einer Ultraschall- oder Infrarotübertragungsstrecke muß darauf geachtet werden, daß das Signal möglichst streut, damit der Empfänger 21 der Otoplastik 20 auch bei einer weniger günstigen Tragweise des Hörgerätes die Signale empfangen kann.In the case of an ultrasonic or infrared transmission path, this must be done Care must be taken that the signal scatters as possible so that the receiver 21 of the otoplastic 20 receive the signals even if the hearing aid is less conveniently worn can.

Im übrigen kann der Empfänger 21 der Otoplastik 20 gleichzeitig auch über eine übertragungsstrecke 28 übertragene Signale einer Sendeanlage 29 empfangen, die nach demselben Übertragungsprinzip arbeitet und zum Beispiel dem Personenruf oder der Übertragung von für den Hörgerätebenutzer besonders wichtigen Informationen dient.In addition, the receiver 21 of the otoplastic 20 can also be used at the same time receive signals from a transmission system 29 transmitted via a transmission link 28, which works according to the same transmission principle and, for example, the paging or the transmission of information that is particularly important for the hearing aid user serves.

Anstelle der Otoplastik 20 mit dem Empfänger 21 und dem Hörer 22 kann gegebenenfalls ein piezoelektrisches Bauelement 30 treten (vgl.Instead of the otoplastic 20 with the receiver 21 and the earpiece 22 can if necessary, a piezoelectric component 30 step (cf.

Abbildung eines Gehörkanals 31 oberhalb der Otoplastik 20). Das Bauelement wird direkt auf dem Trommelfell 32 befestigt. Ein derartiges Bauelement reagiert unmittelbar auf von dem Sender 14 ausgestrahlte tonfrequenzmodulierte Trägerfrequenzen und versetzt das Trommelfell in der übertragenen Tonfrequenz entsprechende Schwingungen.Illustration of an auditory canal 31 above the otoplastic 20). The component is attached directly to the eardrum 32. Such a component reacts directly to audio frequency modulated carrier frequencies emitted by the transmitter 14 and sets the eardrum in the transmitted audio frequency corresponding vibrations.

Es sei noch erwähnt, daß die Übertragung auch digital erfolgen kann.It should also be mentioned that the transmission can also take place digitally.

Claims (6)

Ansprüche 8 Hörgerät mit Mikrofon, Verstärker und Stromquelle aufnehmendem Hörgerätegehäuse und mit einer davon räumlich getrennten Otoplastik, die einen Hörer enthält, der mit dem Verstärkerausgang verbunden ist, dadurch gekennzeichnet, daß die Verbindung zwischen Verstärkerausgang (13) und Hörer (22) eine drahtlose Übertragungsstrecke (27) ist.Claims 8 hearing aid with microphone, amplifier and power source receiving Hearing aid housing and with an otoplastic that is spatially separated therefrom, which has a listener which is connected to the amplifier output, characterized in that the connection between the amplifier output (13) and the receiver (22) is a wireless transmission path (27) is. 2. Hörgerät nach Anspruch 1, dadurch gekennzeichnet, daß die übertragungsstrecke (27) eine Ultraschall- oder Infrarotübertragungsstrecke ist, daß mit dem Verstärkerausgang (13) ein in dem Hörgerätegehäuse (10) untergebrachter Ultraschall- oder Infrarotsender verbunden ist, daß in der Otoplastik (20) ein entsprechender Empfänger (21) sowie eine eigene Stromquelle (23) vorgesehen sind und daß der Empfänger mit dem Hörer (22) verbunden ist.2. Hearing aid according to claim 1, characterized in that the transmission link (27) is an ultrasonic or infrared transmission link that with the amplifier output (13) an ultrasonic or infrared transmitter housed in the hearing aid housing (10) is connected that in the otoplastic (20) a corresponding receiver (21) as well its own power source (23) are provided and that the receiver with the handset (22) is connected. 3. Hörgerät nach Anspruch 1, dadurch gekennzeichnet, daß die übertragungsstrecke (27) durch einen Lichtwellenleiter gebildet wird, daß der Sender (14) ein optischer Sender und der Empfänger (21) ein optischer Empfänger ist.3. Hearing aid according to claim 1, characterized in that the transmission link (27) is formed by an optical waveguide that the transmitter (14) is an optical The transmitter and the receiver (21) is an optical receiver. 4. Hörgerät nach Anspruch 1, dadurch gekennzeichnet, daß die Übertragungsstrecke (27) durch elektromagnetische Wellen gebildet wird, daß der Sender (14) ein Funksender und der Empfänger (21) ein Funkempfänger ist und daß die Otoplastik (20) gegebenenfalls eine Stromquelle (23) enthält. 4. Hearing aid according to claim 1, characterized in that the transmission path (27) is formed by electromagnetic waves that the transmitter (14) is a radio transmitter and the receiver (21) is a radio receiver and that the otoplastic (20) optionally contains a power source (23). 5. Hörgerät nach Anspruch 1, dadurch gekennzeichnet, daß die Übertragungsstrecke (27) eine induktive Übertragungsstrecke ist, daß der Sender (14) eine Sendespule und der Empfänger (21) eine Empfangsspule aufweisen und daß die Otoplastik 20 eine Stromquelle (23) zum Betreiben des Empfängers aufweist. 5. Hearing aid according to claim 1, characterized in that the transmission path (27) is an inductive transmission path that the transmitter (14) is a transmitter coil and the receiver (21) have a receiving coil and that the otoplastic 20 one Has power source (23) for operating the receiver. 6. Hörgerät nach Anspruch 1, dadurch gekennzeichnet, daß der Hörer durch ein auf dem Trommelfell (32) befestigtes piezoelektrisches Element (30) gebildet ist und der Sender (14) ein tonfrequenzmoduliertes Trägerfrequenzsignal aussendet.6. Hearing aid according to claim 1, characterized in that the listener formed by a piezoelectric element (30) attached to the eardrum (32) and the transmitter (14) transmits an audio frequency modulated carrier frequency signal.
DE19853508830 1985-03-13 1985-03-13 Hearing aid Ceased DE3508830A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19853508830 DE3508830A1 (en) 1985-03-13 1985-03-13 Hearing aid
CH535285A CH668341A5 (en) 1985-03-13 1985-12-16 HOERGERAET.
DK102086A DK102086A (en) 1985-03-13 1986-03-06 Hearing aid
JP5161586A JPS61213000A (en) 1985-03-13 1986-03-11 Hearing aid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853508830 DE3508830A1 (en) 1985-03-13 1985-03-13 Hearing aid

Publications (1)

Publication Number Publication Date
DE3508830A1 true DE3508830A1 (en) 1986-09-18

Family

ID=6264968

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853508830 Ceased DE3508830A1 (en) 1985-03-13 1985-03-13 Hearing aid

Country Status (4)

Country Link
JP (1) JPS61213000A (en)
CH (1) CH668341A5 (en)
DE (1) DE3508830A1 (en)
DK (1) DK102086A (en)

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US10292601B2 (en) 2015-10-02 2019-05-21 Earlens Corporation Wearable customized ear canal apparatus
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