EP0140078B1 - Hearing aid having a housing to be worn behind the ear - Google Patents

Hearing aid having a housing to be worn behind the ear Download PDF

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Publication number
EP0140078B1
EP0140078B1 EP84110776A EP84110776A EP0140078B1 EP 0140078 B1 EP0140078 B1 EP 0140078B1 EP 84110776 A EP84110776 A EP 84110776A EP 84110776 A EP84110776 A EP 84110776A EP 0140078 B1 EP0140078 B1 EP 0140078B1
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EP
European Patent Office
Prior art keywords
mounting
control units
appliance according
hearing
housing
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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
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EP84110776A
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German (de)
French (fr)
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EP0140078A1 (en
Inventor
Gerhard Büttner
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
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Siemens AG
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Priority to AT84110776T priority Critical patent/ATE39803T1/en
Publication of EP0140078A1 publication Critical patent/EP0140078A1/en
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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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • 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
    • H04R25/603—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of mechanical or electronic switches or control elements

Definitions

  • the invention relates to a hearing aid with a housing to be worn behind the ear according to the preamble of claim 1, d.
  • Hearing aids with a housing to be worn behind the ear in which components for amplifying and adapting the sound signals to the type and extent of the hearing impairment of a hearing impaired person are accommodated. These are usually a microphone, amplifier, power source, hearing coil and handset, as well as controls for adjusting the volume, timbre and other settings that affect the operating data of the amplifier, such as automatic gain control (AVC) or tip clipping (PC).
  • AVC automatic gain control
  • PC tip clipping
  • the invention is based on the object of simplifying the installation of the necessary actuators and the hearing coil while maintaining precise assignment and mutual electrical insulation in a hearing device according to the preamble of claim 1. This object is achieved according to the invention according to the measures indicated in the characterizing part of claim 1.
  • the combination of the actuator and the hearing coil to form a unit that can be connected to the amplifier ensures that the similar assignment of these parts to one another remains constant without the effort of special adjustment measures. Otherwise necessary space-consuming tolerances can be saved because the arrangement is predetermined by the summarizing component.
  • the actuator and the hearing coil are electrically isolated from one another.
  • 1 denotes a hearing aid to be worn behind the ear, the housing of which is composed of two shells 2 and 2.1. At the lower end of the housing a battery drawer 3 is visible and at the upper end a carrying hook 4 with which the device 1 is worn behind the ear. The hook 4 is continued at its free end with a tube 5, which opens into an ear olive 6, which can be inserted into the ear canal, so that the amplified audio signals reach the ear directly.
  • the device works in its mode of operation in accordance with the usual devices of this type in that a sound signal, which enters the device through an inlet opening 10, arrives at the microphone 11, is converted there into electrical signals, which are transmitted in an amplifier 12 by means of the electrical energy of a battery 13 amplified and then converted back into sound signals in a receiver 14. These amplified signals finally pass through a formwork channel 15, which continues as channel 16 in the support hook 7 to the hose 5 and finally to the ear olive 6.
  • the amplifier 12 consists of components 17 which are mounted on a mounting plate 18. On this plate there is a spring contact 20 at the lower end for taking the current from the battery 13 and a second contact below the battery, which is not visible in the figure.
  • the plate On its edge facing the convex side of the housing 1, the plate carries a structural unit 21, in which actuators 22 to 25 and a hearing coil 26 are combined.
  • the coil 26 can be switched on by means of the switch 9 in the position T indicated in FIG. 1, which in the figure causes the connection of the amplifier to the microphone in the M position. When the switch is set to 0, the device is switched off.
  • the actuators contained in the assembly 21 are indicated by dashed lines in FIG. 2 by opening the flap 7 Position 7.1 accessible so that the actuators 22 to 25 can be adjusted on their actuators 27 to 30.
  • the actuator 22 is used to set a tip clipping (PC). In FIG. 3 it is switched off, as can be seen from the direction of the screw slot of its actuating member 27 which can be adjusted with a screwdriver.
  • PC tip clipping
  • the actuator 23 is used to switch on an automatic gain control (AVC) and is set to a maximum gain of 90 dB. As can be seen from the other digits of the label, settings of 60 and 75 dB could also be selected.
  • AVC automatic gain control
  • the amplifier 24 is regulated with the steepener 24 in accordance with the position on L such that the transmission of low frequencies is preferred. With a position on N, i. H. normal, uniform transmission of all frequencies would be achieved.
  • the actuator 25 which is switched off in the illustration, the high frequencies could be preferred when set to H, while with N, as with the actuator 24, a uniform transmission of all frequencies would be achieved.
  • the actuators 22 to 25 and the hearing coil 26 are attached to a holding part 35.
  • This part shown separately in FIG. 5 in a side view has recesses 50 to 53 in which the actuators 22 to 25 fit.
  • it also has an extension 36, on which a correspondingly designed eyelet 37, which is located on the hearing coil 26, can be attached.
  • the actuators 22 to 25 are located side by side in the illustration shown in FIG. 3.
  • the actuators 22 to 25 are located on a curved surface which corresponds to that according to which the rear of the housing 1 is curved.
  • the winding 38 of the hearing coil 26 is injected into a plastic body 39, on which an extension 40 is located next to the eyelet 37.
  • This approach closes off the openings for the actuators 22 to 25 after the installation space of the amplifier, while the opposite side is closed by the holding part 35 itself.
  • the top 41 of the part 35 forms the end of the installation of the stepper 22 to 25.
  • the mounting plate 18 of the amplifier 12 forms the still free end downward.
  • the attachment to this part is carried out by means of tabs 42 to 45 of the actuators 22 to 25, which protrude from the holder 35 after they have been inserted and can be inserted into the plate 18. They are soldered there for attachment and for connection to the circuit of the amplifier 12, as indicated in FIG. 4 with 46. (See the patent claims of divisional application EP-A-238 887 for this application.)
  • the curvature of the wall 40 which can be seen in FIG. 5 and is designated by 47, mechanically stabilizes the arrangement as well as by curving the part 35.
  • the part 35 also has a recess 40 in which the extension 36 is located, onto which the eyelet 37 can be attached.
  • the recess 48 also has a shape adapted to the eyelet 37, which is narrowly defined with respect to this eyelet 37, as well as the openings for the actuators 22 to 25, indicated by dashed lines in FIG. 5, for the actuators 22 to 25. This ensures that the assembly becomes mechanically stable when it is plugged together so that it can be attached to the mounting plate 18 of the amplifier 12 as a component.
  • a simplification and further stabilization of the structure can be achieved by including the holding part 35 in the plastic body 39 of the hearing coil 38 in addition to its own parts 37 and 40, as shown in FIG.
  • a further stabilization of the structural unit can be achieved through the compact mounting part 56.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Casings For Electric Apparatus (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Telephone Set Structure (AREA)
  • Structure Of Receivers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

A hearing aid has a behind-the-ear housing containing a microphone, an amplifier, a current source and an ear phone, and a group of regulators for controlling various operating characteristics and an acoustic coil. The regulators and the acoustic coil are insertable through an opening in the rear of the housing and are combined in a single unitary unit which can be attached to the amplifier. The precise orientation of the regulators and the coil with respect to each other is thus always the same and can be easily achieved during assembly. The necessary electrical separation between the parts is also guaranteed.

Description

Die Erfindung betrifft ein Hörgerät mit einem hinter dem Ohr zu tragenden Gehäuse nach dem Oberbegriff des Anspruchs 1, d. h. Hörgeräte mit einem hinter dem Ohr zu tragenden Gehäuse, in welchem Bauteile zur Verstärkung und zur Anpassung der Schallsignale an die Art und den Umfang der Behinderung des Gehörs eines Schwerhörigen untergebracht sind. Dies sind in der Regel Mikrofon, Verstärker, Stromquelle, Hörspule und Hörer sowie Steller zur Anpassung von Lautstärke, Klangfarbe und andere, die Betriebsdaten des Verstärkers betreffende Einstellmöglichkeiten, wie etwa automatische Verstärkungsregelung (AVC) oder Spitzenabschneidung (PC).The invention relates to a hearing aid with a housing to be worn behind the ear according to the preamble of claim 1, d. H. Hearing aids with a housing to be worn behind the ear, in which components for amplifying and adapting the sound signals to the type and extent of the hearing impairment of a hearing impaired person are accommodated. These are usually a microphone, amplifier, power source, hearing coil and handset, as well as controls for adjusting the volume, timbre and other settings that affect the operating data of the amplifier, such as automatic gain control (AVC) or tip clipping (PC).

Bei bekannten Geräten (siehe DE-U-7 707 594) sind an der Montageplatte für den Verstärker und andere Bauteile zusätzlich auch Batteriekontakte und gegebenenfalls eine Hörspule sowie die Anpassungssteller untergebracht, um die Funktionsfähigkeit des Geräts auch schon vor endgültiger Fertigstellung des Geräts mit Gehäuse etc, feststellen zu können. Insbesondere hinsichtlich der Anbringung der Steiler für die Anpassung und die Verstärkungsregelung und die Anpassung der Verstärkung der Frequenzverteilung besteht dabei aber die Schwierigkeit, die Zuordnung der hinsichtlich der Steller erforderlichen Teile zueinander durch besonders sorgfältigen Aufbau ebenso wie die elektrische Trennung durch Einhaltung ausreichender Toleranzen zu gewährleisten. Bei Hörgeräten, die zusätzlich noch für die Aufnahme von Induktionssignalen mit einer Hörspule ausgestattet sind, müssen noch zusätzliche Einbauvorrichtungen für dieses Bauteil vorgesehen werden.In known devices (see DE-U-7 707 594) on the mounting plate for the amplifier and other components, battery contacts and, if necessary, a hearing coil and the adjustment plate are also accommodated in order to ensure the functionality of the device even before the final completion of the device with housing, etc. to be able to determine. In particular with regard to the attachment of the stepper for the adjustment and the gain control and the adjustment of the gain of the frequency distribution, there is the difficulty in ensuring the assignment of the parts required with respect to the adjuster by particularly careful construction as well as the electrical separation by maintaining sufficient tolerances. In the case of hearing aids which are additionally equipped with a hearing coil for recording induction signals, additional installation devices must also be provided for this component.

Der Erfindung liegt die Aufgabe zugrunde, bei einem Hörgerät nach dem Oberbegriff des Anspruchs 1 den Einbau notwendiger Steller und der Hörspule unter Einhaltung genauer Zuordnung sowie gegenseitiger elektrischer Isolierung zu vereinfachen. Diese Aufgabe wird nach der Erfindung gemäß den im Kennzeichen des Anspruchs 1 angegebenen Maßnahmen gelöst.The invention is based on the object of simplifying the installation of the necessary actuators and the hearing coil while maintaining precise assignment and mutual electrical insulation in a hearing device according to the preamble of claim 1. This object is achieved according to the invention according to the measures indicated in the characterizing part of claim 1.

Durch die Zusammenfassung der Steller und der Hörspule zu einer Baueinheit, die mit dem Verstärker verbindbar ist, wird erreicht, daß die gleichartige Zuordnung dieser Teile zueinander ohne Aufwand von besonderen Justiermaßnahmen konstant bleibt. Es können sonst notwendige raumbeanspruchende Toleranzen eingespart werden, weil die Anordnung durch das zusammenfassende Bauteil vorgegeben ist. Außerdem sind Steller und Hörspule voneinander elektrisch isoliert.The combination of the actuator and the hearing coil to form a unit that can be connected to the amplifier ensures that the similar assignment of these parts to one another remains constant without the effort of special adjustment measures. Otherwise necessary space-consuming tolerances can be saved because the arrangement is predetermined by the summarizing component. In addition, the actuator and the hearing coil are electrically isolated from one another.

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

  • In der Figur 1 ist ein perspektivisches Schaubild eines erfindungsgemäß ausgestatteten, hinter dem Ohr zu tragenden Hörgerätes gezeichnet,1 shows a perspective diagram of a hearing device equipped according to the invention and to be worn behind the ear,
  • in der Figur 2 die Draufsicht auf das Gerät, von dem eine Hälfte des Gehäuses abgenommen ist,2 shows the top view of the device, from which half of the housing has been removed,
  • in der Figur 3 ein Blick auf das Gerät bei abgenommener, nach außen gewölbter Rückwand des Gerätes,3 shows a view of the device with the rear wall of the device removed and curved outwards,
  • in der Figur 4 ein Querschnitt entsprechend IV - IV (Figur 3) durch eine erfindungsgemäße Baueinheit, die auf einer Verstärkerplatte angebracht ist,4 shows a cross section corresponding to IV - IV (FIG. 3) through a structural unit according to the invention, which is attached to an amplifier plate,
  • in der Figur 5 die Seitenansicht einer Halterungsplatte der Baueinheit undin Figure 5, the side view of a mounting plate of the unit and
  • in der Figur 6 ein Querschnitt durch eine Baueinheit entsprechend Figur 4 mit zusammengefaßtem Halterungsteil.6 shows a cross section through a structural unit corresponding to FIG. 4 with a combined mounting part.

In der Figur 1 ist mit 1 ein hinter dem Ohr zu tragendes Hörgerät bezeichnet, dessen Gehäuse aus zwei Schalen 2 und 2.1 zusmmengesetzt ist. Am unteren Ende des Gehäuses ist eine Batterielade 3 sichtbar und am oberen Ende ein Traghaken 4, mit welchem das Gerät 1 hinter dem Ohr getragen wird. Der Haken 4 ist an seinem freien Ende fortgesetzt mit einem Schlauch 5, der in einer Ohrolive 6 mündet, die in den Ohrkanal gesteckt werden kann, so daß die verstärkten Hörsignale direkt ins Ohr gelangen. An der konvex nach außen gebogenen Rückseite des Gerätes 1 befinden sich oberhalb einer Verschlußklappe 7 ein Reglerrädchen 8 für die Lautstärker und unterhalb der Klappe 7 ein Schalter 9.In FIG. 1, 1 denotes a hearing aid to be worn behind the ear, the housing of which is composed of two shells 2 and 2.1. At the lower end of the housing a battery drawer 3 is visible and at the upper end a carrying hook 4 with which the device 1 is worn behind the ear. The hook 4 is continued at its free end with a tube 5, which opens into an ear olive 6, which can be inserted into the ear canal, so that the amplified audio signals reach the ear directly. On the rear side of the device 1, which is curved convexly outwards, there is a control wheel 8 for the volume above a closure flap 7 and a switch 9 below the flap 7.

Das Gerät stimmt in seiner Wirkungsweise mit den üblichen Geräten dieser Art überein, indem ein Schallsignal, welches durch eine Eintrittsöffnung 10 ins Gerät gelangt, zum Mikrofon 11 kommt, dort in elektrische Signale umgesetzt wird, welche in einem Verstärker 12 mittels der elektrischen Energie einer Batterie 13 verstärkt und dann in einem Hörer 14 wieder in Schallsignale umgesetzt werden. Diese verstärkten Signale gelangen schließlich über einen Schalleitungskanal 15, der als Kanal 16 im Traghaken 7 fortgesetzt zum Schlauch 5 und schließlich zur Ohrolive 6 führt.The device works in its mode of operation in accordance with the usual devices of this type in that a sound signal, which enters the device through an inlet opening 10, arrives at the microphone 11, is converted there into electrical signals, which are transmitted in an amplifier 12 by means of the electrical energy of a battery 13 amplified and then converted back into sound signals in a receiver 14. These amplified signals finally pass through a formwork channel 15, which continues as channel 16 in the support hook 7 to the hose 5 and finally to the ear olive 6.

Der Verstärker 12 besteht aus Bauteilen 17, die auf einer Montageplatte 18 angebracht sind. An dieser Platte befindet sich am unteren Ende zur Abnahme des Stromes von der Batterie 13 ein Federkontakt 20 sowie ein zweiter unterhalb der Batterie, der in der Figur nicht sichtbar ist. An ihrem, der konvexen Seite des Gehäuses 1 zugewandten Rand trägt die Platte eine Baueinheit 21, in welcher Steller 22 bis 25 und eine Hörspule 26 zusammengefaßt sind. Die Spule 26 kann mittels des Schalters 9 in der in Figur 1 angedeuteten Stellung T eingeschaltet werden, der in der Figur auf der Stellung M die Verbindung des Verstärkers mit dem Mikrofon bewirkt. Bei der Schalterstellung 0 ist das Gerät ausgeschaltet. Die in der Baueinheit 21 enthaltenen Steller sind durch Öffnen der Klappe 7 in die in Figur 2 gestrichelt angedeutete Stellung 7.1 zugänglich, so daß die Steller 22 bis 25 an ihren Betätigungsorganen 27 bis 30 eingestellt werden können.The amplifier 12 consists of components 17 which are mounted on a mounting plate 18. On this plate there is a spring contact 20 at the lower end for taking the current from the battery 13 and a second contact below the battery, which is not visible in the figure. On its edge facing the convex side of the housing 1, the plate carries a structural unit 21, in which actuators 22 to 25 and a hearing coil 26 are combined. The coil 26 can be switched on by means of the switch 9 in the position T indicated in FIG. 1, which in the figure causes the connection of the amplifier to the microphone in the M position. When the switch is set to 0, the device is switched off. The actuators contained in the assembly 21 are indicated by dashed lines in FIG. 2 by opening the flap 7 Position 7.1 accessible so that the actuators 22 to 25 can be adjusted on their actuators 27 to 30.

Der Steller 22 dient zur Einstellung einer Spitzenabschneidung (PC). In der Figur 3 ist er, wie aus der Richtung des Schraubenschlitzes seines mit einem Schraubendreher einstellbaren Betätigungsorgans 27 ersichtlich, ausgeschaltet.The actuator 22 is used to set a tip clipping (PC). In FIG. 3 it is switched off, as can be seen from the direction of the screw slot of its actuating member 27 which can be adjusted with a screwdriver.

Der Steller 23 dient zur Einschaltung einer automatischen Verstärkungsregelung (AVC) und ist auf eine maximale Verstärkung von 90 dB eingestellt. Wie aus den weiteren Ziffern der Beschriftung ersichtlich, könnten auch Einstellungen auf 60 und 75 dB gewählt werden.The actuator 23 is used to switch on an automatic gain control (AVC) and is set to a maximum gain of 90 dB. As can be seen from the other digits of the label, settings of 60 and 75 dB could also be selected.

Mit dem Steiler 24 ist der Verstärker entsprechend der Stellung auf L so reguliert, daß die Übertragung tiefer Frequenzen bevorzugt wird. Bei einer Stellung auf N, d. h. normal, würde gleichmäßige Übertragung aller Frequenzen erreicht werden.The amplifier 24 is regulated with the steepener 24 in accordance with the position on L such that the transmission of low frequencies is preferred. With a position on N, i. H. normal, uniform transmission of all frequencies would be achieved.

Mit dem Steller 25, der in der Darstellung ausgeschaltet ist, könnten bei einer Stellung auf H die hohen Frequenzen bevorzugt werden, während bei N, wie beim Steller 24, eine gleichmäßige Übertragung aller Frequenzen erreicht werden würde.With the actuator 25, which is switched off in the illustration, the high frequencies could be preferred when set to H, while with N, as with the actuator 24, a uniform transmission of all frequencies would be achieved.

Die Steller 22 bis 25 und die Hörspule 26 sind an einem Halterungsteil 35 angebracht. Dieses in der Figur 5 in Seitenansicht gesondert herausgezeichnete Teil weist einerseits Ausnehmungen 50 bis 53 auf, in welche die Steller 22 bis 25 passen. Außerdem besitzt es noch einen Ansatz 36, auf welchen eine entsprechend ausgebildete Öse 37, die sich an der Hörspule 26 befindet, aufgesteckt werden kann. Die Steller 22 bis 25 befinden sich in der in Figur 3 gezeichneten Darstellung nebeneinander. Aus der Figur 5 geht andererseits hervor, daß die Steller 22 bis 25 sich außerdem auf einer gebogenen Fläche befinden, die derjenigen entspricht, nach welcher die Rückseite des Gehäuses 1 gebogen ist.The actuators 22 to 25 and the hearing coil 26 are attached to a holding part 35. This part shown separately in FIG. 5 in a side view has recesses 50 to 53 in which the actuators 22 to 25 fit. In addition, it also has an extension 36, on which a correspondingly designed eyelet 37, which is located on the hearing coil 26, can be attached. The actuators 22 to 25 are located side by side in the illustration shown in FIG. 3. On the other hand, it can be seen from FIG. 5 that the actuators 22 to 25 are located on a curved surface which corresponds to that according to which the rear of the housing 1 is curved.

Die Wicklung 38 der Hörspule 26 ist in einen Kunststoffkörper 39 eingespritzt, an welchem sich neben der Öse 37 ein Ansatz 40 befindet. Dieser Ansatz schließt die Öffnungen für die Steller 22 bis 25 nach dem Einbauraum des Verstärkers hin ab, während die gegenüberliegende Seite durch das Halterungsteil 35 selbst geschlossen ist. Nach der in der Figur 2 dem Betrachter zugewandten Seite hin bildet die Oberseite 41 des Teils 35 den Abschluß des Einbaus der Steiler 22 bis 25. Den noch freien Abschluß nach unten bildet die Montageplatte 18 des Verstärkers 12. Die Befestigung an diesem Teil erfolgt mittels Laschen 42 bis 45 der Steller 22 bis 25, die nach ihrem Einfügen in die Halterung 35 aus dieser hervorragen und in die Platte 18 eingefügt werden können. Sie werden dort zur Befestigung und zum Anschluß an die Schaltung des Verstärkers 12, wie in Figur 4 mit 46 angedeutet, angelötet. (Siehe hierzu die Patentansprüche der Teilanmeldung EP-A-238 887 zu dieser Anmeldung.)The winding 38 of the hearing coil 26 is injected into a plastic body 39, on which an extension 40 is located next to the eyelet 37. This approach closes off the openings for the actuators 22 to 25 after the installation space of the amplifier, while the opposite side is closed by the holding part 35 itself. On the side facing the viewer in FIG. 2, the top 41 of the part 35 forms the end of the installation of the stepper 22 to 25. The mounting plate 18 of the amplifier 12 forms the still free end downward. The attachment to this part is carried out by means of tabs 42 to 45 of the actuators 22 to 25, which protrude from the holder 35 after they have been inserted and can be inserted into the plate 18. They are soldered there for attachment and for connection to the circuit of the amplifier 12, as indicated in FIG. 4 with 46. (See the patent claims of divisional application EP-A-238 887 for this application.)

Durch die aus der Figur 5 ersichtliche und mit 47 bezeichnete Krümmung der Wand 40 wird eine mechanische Stabilisierung der Anordnung ebenso wie durch die Krümmung des Teils 35 erreicht. Das Teil 35 weist andererseits noch eine Ausnehmung 40 auf, in welcher sich der Ansatz 36 befindet, auf welchen die Öse 37 aufsteckbar ist. Die Ausnehmung 48 weist außerdem eine der Öse 37 angepaßte Form auf, die bezüglich dieser Öse 37 knapp gefaßt ist, ebenso wie die in der Figur 5 mit 50 bis 53 bezeichnet, gestrichelt angedeuteten Öffnungen für die Steller 22 bis 25. Dadurch wird erreicht, daß die Baueinheit bereits beim Zusammenstecken mechanisch haltbar wird, so daß sie an der Montageplatte 18 des Verstärkers 12 als Bauteil angebracht werden kann.The curvature of the wall 40, which can be seen in FIG. 5 and is designated by 47, mechanically stabilizes the arrangement as well as by curving the part 35. The part 35, on the other hand, also has a recess 40 in which the extension 36 is located, onto which the eyelet 37 can be attached. The recess 48 also has a shape adapted to the eyelet 37, which is narrowly defined with respect to this eyelet 37, as well as the openings for the actuators 22 to 25, indicated by dashed lines in FIG. 5, for the actuators 22 to 25. This ensures that the assembly becomes mechanically stable when it is plugged together so that it can be attached to the mounting plate 18 of the amplifier 12 as a component.

Eine Vereinfachung und weitere Stabilisierung des Aufbaus kann erreicht werden, indem in den Kunststoffkörper 39 der Hörspule 38 neben den eigenen Teilen 37 und 40, wie in Figur 6 gezeichnet, auch noch das Halterungsteil 35 einbezogen ist. Zum Einsetzen der Steller 22 bis 25 braucht dann nur jeweils der bei der Endmontage zur Montageplatte 18 weisende Teil, der in Figur 4 mit 55 bezeichnet ist, weggelassen zu werden; dann können die Steller 22 bis 25 statt durch die Öffnungen 50 bis 53 von der gebogenen Seite 47 (Figur 5) her, von der unteren, nach der Montage durch die Platte 18 abgeschlossenen Seite aus eingefügt werden. Durch das kompakte Halterungsteil 56 ist so eine weitere Stabilisierung der Baueinheit erreichbar.A simplification and further stabilization of the structure can be achieved by including the holding part 35 in the plastic body 39 of the hearing coil 38 in addition to its own parts 37 and 40, as shown in FIG. To insert the actuators 22 to 25, it is then only necessary to omit the part which faces the mounting plate 18 during final assembly and is designated 55 in FIG. 4; then, instead of through the openings 50 to 53, the actuators 22 to 25 can be inserted from the curved side 47 (FIG. 5) from the lower side, which is closed off by the plate 18 after assembly. A further stabilization of the structural unit can be achieved through the compact mounting part 56.

Gegenüber den bekannten Lösungen ergeben sich nach der Erfindung folgende Vorteile:

  • 1. Die Steller 22 bis 25 sind außer an den Lötstellen 46 auch an der auch als Stellerblende bezeichenbaren Halterung 35 geführt und gestützt.
  • 2. Durch den allseitigen Verschluß der Baueinheit 21 durch einen elektrisch isolierenden Werkstoff sind die Steller 22 bis 25 weder im Ruhezustand noch bei Betätigung einer Kontaktgefahr mit der Hörspule 26 oder umliegenden anderen elektrisch leitenden Bauteilen 17 des Verstärkers 12 ausgesetzt.
  • 3. Die Steller 22 bis 25 sind automatisch korrekt zueinander justiert, so daß sich Nachjustierungsmaßnahmen beim Fertigungsvorgang erübrigen.
  • 4. Die Hörspule 26 wird ohne zusätzliche Halterungsmaßnahmen, die an der Gehäuseschale 2 oder am Verstärker 12 erforderlich wären, an der Stellerblende 35 befestigt. Dazu sind nach dem gezeichneten Beispiel an den beiden Teilen 21 und 26 wegen ihrer Herstellung in Kunststoffspritztechnik die erforderlichen Halterungselemente 36 und 37 vorgesehen.
  • 5. Die Endprüfung des Verstärkers 12 kann wie bei den bekannten Geräten schon vor dem Einbau in das aus den Schalen 2 und 2.1 bestehende Gehäuse erfolgen.
  • 6. Der neue Aufbau ist fertigungs- und servicefreundlich, da alle Funktionsteile, außer Wandler 11 und 14 und Batterieschub 3, mit dem Verstärker 12 ein- und ausgebaut werden können.
The advantages of the invention over the known solutions are as follows:
  • 1. In addition to the soldering points 46, the actuators 22 to 25 are also guided and supported on the holder 35, which can also be designated as an actuator cover.
  • 2. The all-round closure of the assembly 21 by an electrically insulating material means that the actuators 22 to 25 are not exposed to the hearing coil 26 or surrounding other electrically conductive components 17 of the amplifier 12 either in the idle state or when actuated.
  • 3. The actuators 22 to 25 are automatically correctly adjusted to one another, so that readjustment measures during the manufacturing process are unnecessary.
  • 4. The hearing coil 26 is fastened to the control panel 35 without additional mounting measures that would be required on the housing shell 2 or on the amplifier 12. For this purpose, the necessary mounting elements 36 and 37 are provided on the two parts 21 and 26 because of their manufacture in plastic injection molding, according to the example shown.
  • 5. The final test of the amplifier 12 can be carried out as in the known devices before installation in the housing consisting of the shells 2 and 2.1.
  • 6. The new structure is manufacturing and Service-friendly, since all functional parts, with the exception of transducers 11 and 14 and battery drawer 3, can be installed and removed with the amplifier 12.

Claims (11)

1. A hearing appliance having a housing (2, 2.1) adapted to be worn behind the ear, into which a microphone (11), amplifier (12), source of current (13) and ear-phone (14) can be built in, and having a listening coil (26) arranged behind an opening (7) in the housing on a mounting plate (18) and a group of control units (22 to 25), each of which includes an actuating member (27 to 30) and a connecting and fastening projection (42 to 45), characterised in that the control units (22 to 25) and the listening coil (26) are combined by an electrically insulating mounting (35 or 56) into a unit (21) that can be mounted on the amplifier.
2. A hearing appliance according to claim 1, characterised in that the mounting (35, 56) has openings into which the control units (22 to 25) can be inserted.
3. A hearing appliance according to claim 1 or claim 2, characterised in that the listening coil (26) is clipped or pushed onto the mounting (35).
4. A hearing appliance according to claim 1 or claim 2, characterised in that the listening coil (26) is enclosed in the mounting (56).
5. A hearing appliance according to claim 3, characterised in that the mounting (35) has a projection (36) to push on a counterpart (37) forming a holder, e.g. an eye, which is attached to the listening coil.
6. A hearing appliance according to any one of claims 1 to 5, characterised in that at the positions where the actuating members (27 to 30) of the control units (22 to 25) are inserted, the mounting (35, 56) has lettering which, together with marrings on the actuating members, indicates the setting of the control units.
7. A hearing appliance according to any one of claims 1 to 6, characterised in that the mounting (35 or 56), like the arrangement of the control units (22 to 25), forms an arc that matches the curvature of the outer rear wall of the housing of the appliance (2, 2.1
8. A hearing appliance according to any one of claims 1 to 7, characterised in that the control units (22 to 25) are mounted in the mounting plate with their connecting and fastening projections (42 to 45) projecting from the mounting (35 or 56).
9. A hearing appliance according to claim 8, characterised in that the mounting plate (18) is provided with openings into which the connecting and fastening projections (42 to 45) of the control units (22 to 25) are inserted.
10. A hearing appliance according to claim 8 or claim 9, characterised in that the connecting and fastening projections (42 to 45) of the control units (22 to 25) are soldered or brazed to the mounting plate (18).
11. A hearing appliance according to claim 3, characterised in that the listening coil (26) is enclosed in a body of plastics material (39) which in at least part of its cross-section has the form of an L in the angle of which the mounting (35), fitted with the control units (22 to 25), is inserted, and that the connecting and fastening projections (42 to 25) of the control units, which project from the long side of the arrangement that remains free, are inserted into the mounting plate (18).
EP84110776A 1983-09-21 1984-09-10 Hearing aid having a housing to be worn behind the ear Expired EP0140078B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84110776T ATE39803T1 (en) 1983-09-21 1984-09-10 HEARING AID WITH A HOUSING TO BE WEARED BEHIND THE EAR.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19838327115U DE8327115U1 (en) 1983-09-21 1983-09-21 HOEREREET WITH A HOUSING TO BE WEARED BEHIND THE EAR
DE8327115U 1983-09-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP87102835.3 Division-Into 1984-09-10

Publications (2)

Publication Number Publication Date
EP0140078A1 EP0140078A1 (en) 1985-05-08
EP0140078B1 true EP0140078B1 (en) 1989-01-04

Family

ID=6757243

Family Applications (2)

Application Number Title Priority Date Filing Date
EP84110776A Expired EP0140078B1 (en) 1983-09-21 1984-09-10 Hearing aid having a housing to be worn behind the ear
EP87102835A Expired - Lifetime EP0238887B1 (en) 1983-09-21 1984-09-10 Hearing aid having a housing to be worn behind the ear

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP87102835A Expired - Lifetime EP0238887B1 (en) 1983-09-21 1984-09-10 Hearing aid having a housing to be worn behind the ear

Country Status (7)

Country Link
US (1) US4638125A (en)
EP (2) EP0140078B1 (en)
JP (2) JPS6057300U (en)
AT (2) ATE39803T1 (en)
CA (1) CA1220144A (en)
DE (3) DE8327115U1 (en)
DK (1) DK163165C (en)

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DE8713086U1 (en) * 1987-09-29 1989-01-26 Siemens AG, 1000 Berlin und 8000 München Hearing aid with housing
US4941179A (en) * 1988-04-27 1990-07-10 Gn Davavox A/S Method for the regulation of a hearing aid, a hearing aid and the use thereof
DK0491072T3 (en) * 1990-12-18 1995-10-16 Siemens Ag Hearing aid
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EP0589308B1 (en) * 1992-09-23 1997-12-03 Siemens Audiologische Technik GmbH Hearing aid
US5802183A (en) * 1995-12-06 1998-09-01 Telex Communications, Inc. BTE assistive listening receiver with interchangeable crystals
US5818946A (en) * 1996-03-22 1998-10-06 Walter; Dieter Waldemar Ruggedized solar charged hearing aid
ATE554607T1 (en) * 1998-10-07 2012-05-15 Oticon As HEARING AID
US7248713B2 (en) 2000-09-11 2007-07-24 Micro Bar Technology, Inc. Integrated automatic telephone switch
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US7110562B1 (en) * 2001-08-10 2006-09-19 Hear-Wear Technologies, Llc BTE/CIC auditory device and modular connector system therefor
US7447325B2 (en) * 2002-09-12 2008-11-04 Micro Ear Technology, Inc. System and method for selectively coupling hearing aids to electromagnetic signals
US8284970B2 (en) * 2002-09-16 2012-10-09 Starkey Laboratories Inc. Switching structures for hearing aid
US7369671B2 (en) * 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
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US9420385B2 (en) 2009-12-21 2016-08-16 Starkey Laboratories, Inc. Low power intermittent messaging for hearing assistance devices
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Also Published As

Publication number Publication date
DE8327115U1 (en) 1985-03-07
ATE39803T1 (en) 1989-01-15
EP0238887B1 (en) 1990-12-12
DE3483749D1 (en) 1991-01-24
ATE59127T1 (en) 1990-12-15
DK448084A (en) 1985-03-22
DE3476008D1 (en) 1989-02-09
DK163165B (en) 1992-01-27
US4638125A (en) 1987-01-20
EP0140078A1 (en) 1985-05-08
JPS6423200U (en) 1989-02-07
CA1220144A (en) 1987-04-07
EP0238887A1 (en) 1987-09-30
JPS6057300U (en) 1985-04-22
DK163165C (en) 1992-06-22
JPH0246160Y2 (en) 1990-12-05
DK448084D0 (en) 1984-09-20
JPH0145200Y2 (en) 1989-12-27

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