EP0129788B1 - Hearing aid - Google Patents

Hearing aid Download PDF

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Publication number
EP0129788B1
EP0129788B1 EP84106814A EP84106814A EP0129788B1 EP 0129788 B1 EP0129788 B1 EP 0129788B1 EP 84106814 A EP84106814 A EP 84106814A EP 84106814 A EP84106814 A EP 84106814A EP 0129788 B1 EP0129788 B1 EP 0129788B1
Authority
EP
European Patent Office
Prior art keywords
cover
housing
battery
source
current
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.)
Expired
Application number
EP84106814A
Other languages
German (de)
French (fr)
Other versions
EP0129788A1 (en
Inventor
Hans Henneberger
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to AT84106814T priority Critical patent/ATE34268T1/en
Publication of EP0129788A1 publication Critical patent/EP0129788A1/en
Application granted granted Critical
Publication of EP0129788B1 publication Critical patent/EP0129788B1/en
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/609—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of circuitry
    • 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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/603—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of mechanical or electronic switches or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/025—In the ear hearing aids [ITE] hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • 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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/602—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of batteries

Definitions

  • the invention relates to a hearing aid according to the preamble of claim 1.
  • Hearing aids which can at least largely be inserted into the ear canal are known, for example, from GB-A 2 070 890.
  • the installation space for the individual parts of the hearing aid is extremely limited.
  • the arrangement of the individual parts is very important.
  • the largest component i.e. the power source (battery or rechargeable battery) stored in a recess in the outer wall, which closes the housing to the outside in order to maintain the location for it, which usually has the largest diameter in the ear canal. Since this large diameter usually does not go very deep, the arrangement of the power source with its surface parallel to the end wall was chosen. However, a swivel cover is used so that a smooth outer surface is achieved.
  • the invention has for its object to provide an arrangement of the components in a hearing aid according to the preamble of claim 1, which is space-saving and enables the practical accommodation of an additional actuator. This object is achieved by the features mentioned in the characterizing part of the aforementioned claim.
  • FIG. 1 shows a perspective diagram of the external view of a channel hearing aid designed according to the invention
  • FIG. 2 shows the device according to FIG. 1 with the lid of the battery compartment open
  • FIG. 3 shows schematically the arrangement of the components accommodated in the housing of the device according to FIG. 1 from the point of view 111-111, which is indicated in FIG.
  • FIG. 5 shows a partially broken away view of the installation of an adapter in the battery compartment, seen in the direction of the hint V-V in FIG. 1.
  • FIG. 1 denotes the housing made of plastic, which is modeled on the shape of the ear canal in which it is to be used. It therefore has the shape of an irregular cone, on the large surface of which a lid 2 of a battery installation space, a rotary knob 3 of a volume control and an opening 4 for the entry of sound into the device can be recognized.
  • a lid 2 of a battery installation space On the inside of the cover there is a battery 8 which is bound to the cover 2 by a holder 9 adapted to the shape of this battery 8.
  • the holder 9 has, in addition to the bowl-shaped lower part, two tab-shaped lugs 11 and 12 which, at a distance from one another designated by 13, continue the part 10 over the surface of the battery and are bent towards the cover 2, so that they are inserted when the battery is inserted 8 clamp in the holder 9 and hold the battery 8.
  • the cover 2 On its hinge secured with a pin 14, the cover 2 can be folded.
  • the cover 2 has an extension 15 opposite the hinge, which, as can be seen in FIG. 1, protrudes from the large area of the housing 1.
  • the mode of operation of the device can be seen from FIGS. 3 and 4.
  • sound reaches a microphone 20, where it is converted into electrical signals, which then reach an amplifier 22 via lines 21.
  • This amplifier 22 is powered by the battery 8 and its volume can be changed by the volume control 3.
  • a network 23 is also assigned to the amplifier, with which the desired pitch of the signals to be transmitted can be set on the adapter 7 by means of its actuating element 7.1 which is attached to the spring of the contact 6 in the installation space of the battery.
  • a receiver 24 is provided for the audible output of the sound signals, from which sound can be emitted to the ear via a channel 25.
  • the device is switched on by closing the cover 2, the contacts 5 and 6 of the amplifier 22 attacking the battery.
  • the contact 6 enters the space 13 between the resilient mounting tabs 11 and 12, while the second contact 5 engages the circumference of the battery 8.

Abstract

A hearing aid has a housing insertable into the auditory canal, wherein the housing contains at least a microphone, an amplifier, an earpiece and a power source. In instruments of this kind it has turned out to be desirable to have, in addition to the usual volume control, an additional control for varying the way the incoming sound signals are influenced by the amplifier (i.e. its characteristic) to adapt to individual hearing impairments. For this purpose the hearing aid provides in the housing space for the battery a pitch control in such a manner that its actuating member can be operated at least when the power source is removed from the instrument. This makes it possible to reduce the space requirement for the pitch control so that even hearing aids insertable into the auditory canal can contain such an additional control.

Description

Die Erfindung betrifft ein Hörgerät nach dem Oberbegriff des Anspruches 1. Wenigstens weitgehend in den Ohrkanal einführbare Hörgeräte sind etwa bekannt aus der GB-A 2 070 890.The invention relates to a hearing aid according to the preamble of claim 1. Hearing aids which can at least largely be inserted into the ear canal are known, for example, from GB-A 2 070 890.

Gerade bei den in den Ohrkanal einführbaren, den sogenannten Kanal-Hörgeräten ist der Einbauraum für die Einzelteile des Hörgerätes äusserst beschränkt. Es kommt daher sehr auf die Anordnung der einzelnen Teile an. Bei einem Gerät nach der obengenannten GB-A ist das grösste Bauteil, d.h. die Stromquelle (Batterie oder Akku), in eine Vertiefung der Aussenwand gelagert, die das Gehäuse nach aussen abschliesst, um den Ort dafür zu erhalten, der im Ohrkanal in der Regel den grössten Durchmesser hat. Da dieser grosse Durchmesser in der Regel nicht weit in die Tiefe geht, hat man die Anordnung der Stromquelle mit ihrer Fläche parallel zur Endwand gewählt. Dabei ist aber ein Schwenkdeckel benutzt, so dass eine glatte äussere Fläche erreicht wird. Dies hat aber den Nachteil, dass für das Herausziehen des Gerätes aus dem Ohr nur gerinfügige Angriffsmöglichkeiten zur Verfügung stehen. Anderseits fehlt Platz, um neben dem üblichen Lautstärkesteller einen zusätzlichen Steller anbringen zu können, der es gestattet, die Verstärkungscharakteristik des Gerätes an einem individuellen Hörschaden etc. anzupassen.Especially in the case of the so-called canal hearing aids that can be inserted into the ear canal, the installation space for the individual parts of the hearing aid is extremely limited. The arrangement of the individual parts is very important. In a device according to the GB-A mentioned above, the largest component, i.e. the power source (battery or rechargeable battery), stored in a recess in the outer wall, which closes the housing to the outside in order to maintain the location for it, which usually has the largest diameter in the ear canal. Since this large diameter usually does not go very deep, the arrangement of the power source with its surface parallel to the end wall was chosen. However, a swivel cover is used so that a smooth outer surface is achieved. However, this has the disadvantage that only slight possibilities of attack are available for pulling the device out of the ear. On the other hand, there is not enough space to be able to attach an additional control in addition to the usual volume control, which allows the amplification characteristics of the device to be adapted to individual hearing loss, etc.

Bei etwa aus der US-A 2 987 584 bekannten Geräten ist ein Klappdeckel für den Halterungsraum der Stromquelle verwendet. Wenn dieser Deckel geöffnet ist, kann er als Handhabe zum Herausziehen des Gerätes aus dem Ohr dienen. Abweichend von der vorgenannten Lösung ist bei einem Kanal-Hörgerät eine Festklammerung der Stromquelle im Gehäuse nicht möglich, weil diese Halterung einerseits Raum beansprucht und anderseits die im Gehäuse liegende Stromquelle nur sehr schwer herausgenommen werden kann. Man hat daher bei anderen, etwa aus der EP-A 0 085 032 bekannten Lösungen davon abgesehen, die Batterie im Gehäuse zu halten; dies führt dazu, dass beim Herausziehen des Gerätes am Deckel die Stromquelle verloren gehen kann. Andererseits ist auch bei dieser Ausbildung keine Einstellung der Verstärkercharakteristik möglich. Das Einbauen eines zusätzlichen Stellers zur Regelung der Verstärkercharakteristik erfolgte bei bisherigen Kanal-Hörgeräten nur auf unpraktische und platzraubende Weise. Z.B. ist bei dem aus der US-A 3598928 bekannten Gerät ausser der Batterielade eine zusätzliche vom Batterieaufnahmeraum entfernt liegende Öffnung am Gehäuse erforderlich, um den im Inneren des Hörgerätes gelagerten Stellwiderstand mit einem Schraubenzieher zu verstellen. Die zusätzliche Öffnung benötigt unnötig viel Platz. Unpraktisch ist ausserdem, dass die Öffnung hinsichtlich des im Innenraum des Hörgerätgehäuses liegenden Stellers sowie eines weiteren Loches in einer Leiterplatte exakt zentriert sein muss und darüber hinaus, dass der Steller erst nach umständlichem Einfädeln des Schraubenziehers durch die Öffnung hindurch in den unsichtbaren Schlitz der Stellschraube des Stellers verstellt werden kann.In devices known from US-A 2 987 584, a hinged cover is used for the mounting space of the power source. When this lid is open, it can serve as a handle for pulling the device out of the ear. Deviating from the above-mentioned solution, it is not possible to clamp the power source in the housing in a channel hearing aid because this holder on the one hand takes up space and on the other hand it is very difficult to remove the power source located in the housing. In other solutions, for example from EP-A 0 085 032, one has therefore refrained from holding the battery in the housing; this means that the power source can be lost when the device is removed from the cover. On the other hand, no adjustment of the amplifier characteristic is possible with this configuration either. The installation of an additional actuator to regulate the amplifier characteristics was only impractical and space-consuming in previous channel hearing aids. E.g. In the device known from US-A 3598928, in addition to the battery drawer, an additional opening on the housing, which is located away from the battery receiving space, is required in order to adjust the variable resistance stored in the interior of the hearing aid with a screwdriver. The additional opening takes up an unnecessarily large amount of space. It is also impractical that the opening must be exactly centered with respect to the actuator located in the interior of the hearing aid housing and a further hole in a printed circuit board, and that the actuator should only be threaded through the opening into the invisible slot of the set screw after the intricate opening of the screwdriver Stellers can be adjusted.

Der Erfindung liegt die Aufgabe zugrunde, bei einem Hörgerät nach dem Oberbegriff des Anspruches 1 eine Anordnung der Bauelemente vorzusehen, die raumsparend ist und die praktische Unterbringung eines zusätzlichen Stellers ermöglicht. Diese Aufgabe wird durch die im Kennzeichen des vorgenannten Anspruches genannten Merkmale gelöst.The invention has for its object to provide an arrangement of the components in a hearing aid according to the preamble of claim 1, which is space-saving and enables the practical accommodation of an additional actuator. This object is achieved by the features mentioned in the characterizing part of the aforementioned claim.

Durch die Verwendung eines Klappdeckels als Verschluss des Batterieeinbauraumes und auch noch durch die Einsenkung des Deckels in die Oberfläche des Gerätes wird die Möglichkeit geschaffen, das Betätigungsglied eines Anpassstellers mit in diesem Raum unterzubringen. Dies beruht hauptsächlich darauf, dass der Einbauraum in das Gerät hineinragt, so dass an seiner Wand Platz zum Anbringen des Betätigungsgliedes eines Anpassstellers zur Verfügung steht. Eine besonders günstige Anbringung, insbesondere für die Bedienung, wird durch Schrägstellung des Betätigungsgliedes erreicht, weil dieses dann besonders günstig von der Öffnung des Batterieeinbauraumes aus erreicht werden kann. Platzsparend kann der Einbau auch dadurch erfolgen, dass der Anpasssteller selbst an einer der Kontaktfedern des Verstärkers angebracht wird. So wird erreicht, dass ohne Vergrösserung der Abschlussplatte (face-plate) auch bei den sehr kleinen Kanal-Hörgeräten, d.h. solchen, die weitestgehend im Ohrkanal verschwinden, zusätzliche Steller verwendet werden können.By using a hinged lid as a closure of the battery installation space and also by lowering the lid into the surface of the device, the possibility is created to accommodate the actuator of an adapter in this room. This is mainly due to the fact that the installation space protrudes into the device, so that there is space on its wall for attaching the actuator of an adapter. A particularly favorable attachment, in particular for operation, is achieved by tilting the actuating element, because this can then be achieved particularly cheaply from the opening of the battery installation space. Space-saving installation can also be done by attaching the adapter itself to one of the contact springs on the amplifier. This ensures that without enlarging the faceplate, even with very small canal hearing aids, i.e. Those that largely disappear in the ear canal, additional controls can be used.

Weitere Einzelheiten und Vorteile der Erfindung werden nachfolgend anhand der in den Figuren dargestellten Ausführungsbeispiele erläutert.Further details and advantages of the invention are explained below using the exemplary embodiments shown in the figures.

In der Figur 1 ist in einem perspektivischen Schaubild die Aussenansicht eines nach der Erfindung gestalteten Kanal-Hörgerätes gezeichnet,FIG. 1 shows a perspective diagram of the external view of a channel hearing aid designed according to the invention,

in der Figur 2 das Gerät nach Figur 1 mit geöffnetem Deckel des Batterieraumes,2 shows the device according to FIG. 1 with the lid of the battery compartment open,

in der Figur 3 schematisch die Anordnung der im Gehäuse des Gerätes nach Figur 1 untergebrachten Bauteile aus der Sicht 111-111, die in Figur angedeutet ist,3 shows schematically the arrangement of the components accommodated in the housing of the device according to FIG. 1 from the point of view 111-111, which is indicated in FIG.

in der Figur 4 in einem schematischen Schaltbild das Zusammenwirken derTeile, undin Figure 4 in a schematic circuit diagram the interaction of the parts, and

in der Figur 5 ist eine in Richtung der Andeutung V-V in Figur 1 gesehene, teilweise aufgebrochene Darstellung des Einbaues eines Anpassstellers in den Batterieraum dargestellt.FIG. 5 shows a partially broken away view of the installation of an adapter in the battery compartment, seen in the direction of the hint V-V in FIG. 1.

In der Figur 1 ist mit 1 das aus Kunststoff bestehende Gehäuse bezeichnet, welches der Form des Ohrkanals nachgebildet ist, in welchen es eingesetzt werden soll. Es besitzt daher die Form eines unregelmässigen Konus, an dessen grosser Fläche ein Deckel 2 eines Batterieeinbauraumes, ein Drehknopf 3 eines Lautstärkestellers und eine Öffnung 4für den Eintritt von Schall in das Gerät erkennbar sind. Bei dem in der Darstellung nach Figur 2 geöffnet dargestellten Deckel 2 sind im Innern des Gehäuses 1 Kontakte 5 und 6 sowie das Betätigungsglied 7.1 eines Anpassstellers 7 zu erkennen. An der Innenseite des Deckels befindet sich eine Batterie 8, die durch eine der Form dieser Batterie 8 angepasste Halterung 9 an den Deckel 2 gebunden ist. Die Halterung 9 weist neben dem schalenförmigen Unterteil zwei lappenförmige Ansätze 11 und 12 auf, die in einem mit 13 bezeichneten Abstand voneinander das Teil 10 über die Fläche der Batterie hinweg fortsetzen und auf den Deckel 2 zu gebogen sind, so dass sie beim Einführen der Batterie 8 in die Halterung 9 klemmend wirken und die Batterie 8 festhalten. An ihrem mit einem Stift 14 gesicherten Scharnier ist der Deckel 2 klappbar. Zur besseren Handhabung besitzt der Deckel 2 gegenüber dem Scharnier einen Ansatz 15, der, wie auf Figur 1 ersichtlich ist, aus der grossen Fläche des Gehäuses 1 hervorsteht.In FIG. 1, 1 denotes the housing made of plastic, which is modeled on the shape of the ear canal in which it is to be used. It therefore has the shape of an irregular cone, on the large surface of which a lid 2 of a battery installation space, a rotary knob 3 of a volume control and an opening 4 for the entry of sound into the device can be recognized. In the lid 2 shown open in the illustration of Figure 2 are in Nern of the housing 1 contacts 5 and 6 and the actuator 7.1 of an adjuster 7 can be seen. On the inside of the cover there is a battery 8 which is bound to the cover 2 by a holder 9 adapted to the shape of this battery 8. The holder 9 has, in addition to the bowl-shaped lower part, two tab-shaped lugs 11 and 12 which, at a distance from one another designated by 13, continue the part 10 over the surface of the battery and are bent towards the cover 2, so that they are inserted when the battery is inserted 8 clamp in the holder 9 and hold the battery 8. On its hinge secured with a pin 14, the cover 2 can be folded. For better handling, the cover 2 has an extension 15 opposite the hinge, which, as can be seen in FIG. 1, protrudes from the large area of the housing 1.

Die Wirkungsweise des Gerätes ist aus den Figuren 3 und 4 ersichtlich. Durch die Einsprache- öffnung 4 gelangt Schall zu einem Mikrofon 20, wo dieser in elektrische Signale umgewandelt wird, die dann über Leitungen 21 zu einem Verstärker 22 gelangen. Dieser Verstärker 22 wird über die Batterie 8 mit Strom versorgt und ist vom Lautstärkesteller 3 her in seiner Lautstärke veränderbar. Dem Verstärker ist ausserdem ein Netzwerk 23 zugeordnet, mit welchem am Anpasssteller 7 mittels seines im Einbauraum der Batterie an der Feder des Kontaktes 6 angebrachten Betätigungsgliedes 7.1 die gewünschte Tonlage der zu übertragenden Signale einstellbar ist. Zur hörbaren Ausgabe der Schallsignale ist ein Hörer 24 vorgesehen, von dem aus Schall über einen Kanal 25 an das Ohr abgegeben werden kann. Die Einschaltung des Gerätes erfolgt durch Schliessung des Deckels 2, wobei die Kontakte 5 und 6 des Verstärkers 22 an die Batterie angreifen. Der Kontakt 6 gelangt in den Zwischenraum 13 zwischen den federnden Halterungslappen 11 und 12, während der zweite Kontakt 5 am Umfang der Batterie 8 angreift.The mode of operation of the device can be seen from FIGS. 3 and 4. Through the speech opening 4, sound reaches a microphone 20, where it is converted into electrical signals, which then reach an amplifier 22 via lines 21. This amplifier 22 is powered by the battery 8 and its volume can be changed by the volume control 3. A network 23 is also assigned to the amplifier, with which the desired pitch of the signals to be transmitted can be set on the adapter 7 by means of its actuating element 7.1 which is attached to the spring of the contact 6 in the installation space of the battery. A receiver 24 is provided for the audible output of the sound signals, from which sound can be emitted to the ear via a channel 25. The device is switched on by closing the cover 2, the contacts 5 and 6 of the amplifier 22 attacking the battery. The contact 6 enters the space 13 between the resilient mounting tabs 11 and 12, while the second contact 5 engages the circumference of the battery 8.

Claims (5)

1. Hearing apparatus with a housing (1) able to be introduced at least extensively into the external auditory canal, in wich at least the usual parts, i.e. microphone (20), amplifier (22), receiver (24) and source of current (8) are accommodated, the latter being arranged in a battery mounting space, which is moulded into the outer wall forming the end of the housing and is able to be covered by means of a cover (2), characterised in that at least one actuating member (7.1) of at least one adjustment regulator (7) ist attached in the battery mounting space in such a way that it is able to be reached and, therefore, is adjustable, if the source of current is taken out.
2. Hearing apparatus according to claim 1, characterised in that the cover (2) is inserted in the end plate of the apparatus and the adjustment regulator (7) together with actuating member (7.1) lies in the side wall of the battery mounting space.
3. Hearing apparatus according to claim 1 or 2, characterised in that the adjustment regulator (7) is attached to one of the contact springs (6) connecting the source of current (8) to the apparatus.
4. Hearing apparatus according to one of claims 1 to 3, characterised in that the actuating member (7.1) of the adjustment regulator (7) is tilted relative to the walls of the battery mounting space.
5. Hearing apparatus according to one of claims 1 to 4, characterised in that the cover (2) includes a holder (9) for the source of current (8), so that when the cover is opened the source of current held behind the cover is folded out from the battery mounting space and the actuating member (7.1) of the adjustment regulator (7) is accessible.
EP84106814A 1983-06-27 1984-06-14 Hearing aid Expired EP0129788B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84106814T ATE34268T1 (en) 1983-06-27 1984-06-14 HEARING AID.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8318579U 1983-06-27
DE8318579U DE8318579U1 (en) 1983-06-27 1983-06-27 Hearing aid

Publications (2)

Publication Number Publication Date
EP0129788A1 EP0129788A1 (en) 1985-01-02
EP0129788B1 true EP0129788B1 (en) 1988-05-11

Family

ID=6754640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84106814A Expired EP0129788B1 (en) 1983-06-27 1984-06-14 Hearing aid

Country Status (8)

Country Link
US (1) US4680799A (en)
EP (1) EP0129788B1 (en)
JP (1) JPS6014600U (en)
AT (1) ATE34268T1 (en)
CA (1) CA1236208A (en)
DE (2) DE8318579U1 (en)
DK (1) DK310284A (en)
ES (1) ES280199Y (en)

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Also Published As

Publication number Publication date
CA1236208A (en) 1988-05-03
DE8318579U1 (en) 1983-11-17
EP0129788A1 (en) 1985-01-02
ES280199U (en) 1984-12-16
US4680799A (en) 1987-07-14
DK310284A (en) 1984-12-28
ATE34268T1 (en) 1988-05-15
DK310284D0 (en) 1984-06-26
JPS6014600U (en) 1985-01-31
JPH0432876Y2 (en) 1992-08-06
DE3471227D1 (en) 1988-06-16
ES280199Y (en) 1985-06-16

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