EP0196366B1 - Hearing aid to be worn in the auditory canal - Google Patents

Hearing aid to be worn in the auditory canal Download PDF

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Publication number
EP0196366B1
EP0196366B1 EP85114685A EP85114685A EP0196366B1 EP 0196366 B1 EP0196366 B1 EP 0196366B1 EP 85114685 A EP85114685 A EP 85114685A EP 85114685 A EP85114685 A EP 85114685A EP 0196366 B1 EP0196366 B1 EP 0196366B1
Authority
EP
European Patent Office
Prior art keywords
hearing aid
housing
regulator
rotary knob
circuit board
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 - Lifetime
Application number
EP85114685A
Other languages
German (de)
French (fr)
Other versions
EP0196366A3 (en
EP0196366A2 (en
Inventor
Albert Eggert
Manfred Müller
Jürgen Dipl.-Ing. Montag
Peter Wiener
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 AT85114685T priority Critical patent/ATE59521T1/en
Publication of EP0196366A2 publication Critical patent/EP0196366A2/en
Publication of EP0196366A3 publication Critical patent/EP0196366A3/en
Application granted granted Critical
Publication of EP0196366B1 publication Critical patent/EP0196366B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • 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
    • 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
    • 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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts

Definitions

  • the invention is based on a hearing aid to be worn in the ear canal according to the preamble of claim 1.
  • a hearing aid to be worn in the ear canal is known (DE-GM 83 23 464), which has a flat hollow cylindrical housing with a cover which is rotatably mounted about a hollow shaft serving as a sound inlet opening.
  • the cover also serves as an actuating element for a reinforcement actuator and an on-off switch.
  • the hearing aid according to the invention with the characterizing features of claim 1 has the advantage that it does not contain any opening on the outside that the user can unintentionally hide.
  • a hearing aid according to the invention is particularly advantageous in which the flattening contains at least one further opening for the free passage of an adjusting element for an actuator arranged in the interior of the housing.
  • the openings provided in the known hearing aid on the outside of the housing and therefore exposed to soiling for setting trimmer resistors arranged in the interior of the housing are arranged at a location which is protected by the rotary knob.
  • a hearing aid 10 according to the invention to be worn in the ear canal has a housing made of an approximately hemispherical lower housing part 11 with a flattened portion 12 on the underside and a housing upper part 13 adapted to the spherical shape of the lower part, which is provided with a flat side 14 on its upper side.
  • the flattened portion 12 has an eccentric hollow cylindrical connector 15.
  • the socket receives in its interior the sound outlet end of a receiver 16 (see FIG. 2), the hollow cylindrical sound outlet socket 17 of which passes through an opening 18 at the free end of the socket when the hearing device is fully assembled.
  • the receiver is stored in a highly elastic envelope 19.
  • a battery flap 20 which can be swung out of the lower housing part 11 forms a part of the lower housing part 11 in the pivoted-in state and is adapted to its spherical shape.
  • the battery flap receives a battery 21 or an accumulator, the negative pole of which is in electrically conductive connection with a first contact spring 22 fastened in the lower housing part 11 and the positive pole of which is connected to a second contact spring 23.
  • the contact springs 22, 23 belong to contact spring parts 24 and 25 which are perpendicular to the flattened portion 12 of the lower housing part 11 and which establish a mechanical and electrical connection to a first printed circuit board 27 and for this purpose have tabs 24a, 24b and 25a which fit into corresponding openings in FIG fit the first printed circuit board and are connected to conductor tracks ending at the aforementioned openings, for example by soldering.
  • the first printed circuit board 27 carries electrical components 28 and 29 of the hearing aid amplifier, which is connected to the receiver 16 via lines 30.
  • a second printed circuit board 31 which is aligned parallel to the first printed circuit board, serves as a support for a gain regulator 32, trimmer resistors 33 and further electrical components, of which only one component 34 can be seen in FIG. 2.
  • the gain controller 32 has a disk-shaped adjusting element 35 and the trimmer resistor 33 has a screw-shaped adjusting element 36 (cf. also FIG. 3) with an adjusting slot 37.
  • the second printed circuit board 31 is mechanically and electrically connected to the first printed circuit board 27 preferably via plug pins 3B provided on the underside of the second printed circuit board and sockets 39 provided on the upper side of the first printed circuit board.
  • the upper housing part 13 contains in the area of the flat 14 an eccentric sound passage opening 42 (see FIGS. 2 and 3), in which one end of an elastic hose 43 is fastened. The other end of the hose sits on a hollow cylindrical sound inlet connector 44 of a microphone 45, which is elastically fastened to the upper housing part in the manner described above and is connected to the second printed circuit board 31 via lines 46.
  • An opening 47 lying in the axial direction of the upper housing part 13 (cf. also FIG. 3) serves for the free passage of the adjusting element 35 of the reinforcement actuator 32 and two eccentric openings 48, 49 for the free passage of the adjusting elements 36 of the trimmer resistors 33.
  • a preferably cap-shaped knob 50 has on its inside 51 an annular collar 52 which is dimensioned such that it can be snapped onto the adjusting element 35.
  • the collar 52 has at its free end an inwardly directed annular projection 53 with a bevel 54 which makes it easier to snap on.
  • the gain controller 32 can be adjusted with the rotary knob 50.
  • h cf. FIG. 1
  • the rotary knob 50 can be pulled off at any time if, for example, it is necessary to set the trimmer resistance 33. When the rotary knob is removed, the setting elements 36 are freely accessible.
  • the second printed circuit board 31 cannot be mechanically connected to the first printed circuit board 27, but to the upper housing part 13, for example by screwing.
  • the housing is preferably made of a plastic.
  • Lower housing part 11 and upper housing part 13 are connected to one another either by a snap connection or by gluing, screwing or the like.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Headphones And Earphones (AREA)
  • Adjustable Resistors (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Networks Using Active Elements (AREA)
  • Eye Examination Apparatus (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

This hearing aid has no openings on the outside which are easily accessible to the user. For this purpose, the hearing aid housing (10) consisting of the housing bottom (11) and housing top (13) exhibits at the top a flattened area (14) through which an adjusting element (35) of a gain controller (32) protrudes. A rotary knob (50) is snapped onto the adjusting element, a small distance (h) to the sound inlet existing between the lower edge (55) of the rotary knob and the flattened area (14) in the snapped-on state. The flattened area contains a sound penetration opening (42) which is connected to a microphone (45) contained in the hearing aid housing. The flattened area furthermore contains openings (48, 49) for the free passage of adjusting elements (36) which belong to trimming resistors (33) and are covered by the rotary knob (50). <IMAGE>

Description

Stand der TechnikState of the art

Die Erfindung geht von einem im Ohrkanal zu tragenden Hörgerät nach der Gattung des Anspruchs 1 aus.The invention is based on a hearing aid to be worn in the ear canal according to the preamble of claim 1.

Es ist ein im Ohrkanal zu tragendes Hörgerät bekannt (DE-GM 83 23 464), das ein flaches hohlzylinderförmiges Gehäuse mit einem Deckel aufweist, der um eine als Schalleintrittsöffnung dienende Hohlwelle drehbar gelagert ist. Der Deckel dient gleichzeitig als Betätigungselement für einen Verstärkungssteller und einen Ein-Ausschalter.A hearing aid to be worn in the ear canal is known (DE-GM 83 23 464), which has a flat hollow cylindrical housing with a cover which is rotatably mounted about a hollow shaft serving as a sound inlet opening. The cover also serves as an actuating element for a reinforcement actuator and an on-off switch.

Nachteilig ist bei dem bekannten Hörgerät, daß der Benutzer zum Einstellen der Verstärkung mit seinen Fingern die im Deckel enthaltene Schalleintrittsöffnung verdeckt, so daß eine unzureichende Verstärkung des Hörgerätes vorgetäuscht wird und der Benutzer die Verstärkung möglicherweise weiter erhöht. Nach dem Loslassen des Deckels ist dann die eingestellte Verstärkung viel zu hoch, und es tritt ein den Benutzer störender hoher Ausgangsschalldruckpegel auf.It is a disadvantage of the known hearing aid that the user hides the sound entry opening contained in the cover with his fingers to adjust the gain, so that inadequate gain of the hearing aid is simulated and the user may increase the gain further. After the lid has been released, the set gain is much too high, and a high output sound pressure level which bothers the user occurs.

Vorteile der ErfindungAdvantages of the invention

Das erfindungsgemäße Hörgerät mit den kennzeichnenden Merkmalen des Anspruchs 1 hat den Vorteil, daß es an der außen liegenden Seite keine Öffnung enthält, die der Benutzer unbeabsichtigterweise verdecken kann.The hearing aid according to the invention with the characterizing features of claim 1 has the advantage that it does not contain any opening on the outside that the user can unintentionally hide.

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 Abflachung mindestens eine weitere Öffnung zum freien Durchtritt eines Einstellelementes für einen im Innern des Gehäuses angeordneten Steller enthält. Dadurch werden die bei dem bekannten Hörgerät an der Gehäuseaußenseite vorgesehenen und daher einer Verschmutzung ausgesetzten Öffnungen zum Einstellen von im Gehäuseinnern angeordneten Trimmerwiderständen an einer Stelle angeordnet, die durch den Drehknopf geschützt ist.Advantageous further developments and improvements of the hearing aid specified in claim 1 are possible through the measures listed in the subclaims. A hearing aid according to the invention is particularly advantageous in which the flattening contains at least one further opening for the free passage of an adjusting element for an actuator arranged in the interior of the housing. As a result, the openings provided in the known hearing aid on the outside of the housing and therefore exposed to soiling for setting trimmer resistors arranged in the interior of the housing are arranged at a location which is protected by the rotary knob.

Zeichnungdrawing

Ein Ausführungsbeispiel der Erfindung wird in der Zeichnung anhand mehrerer Figuren dargestellt und in der nachfolgenden Beschreibung näher erläutert. Die Zeichnung zeigt in

  • Fig. 1 eine Ansicht eines erfindungsgemäßen Hörgerätes in stark vergrößertem Maßstab,
  • Fig. 2 eine auseinandergezogene Schnittansicht des Hörgerätes nach Fig. 1 und
  • Fig. 3 eine Draufsicht auf ein erfindungsgemäßes Hörgerät bei abgenommenem Drehknopf.
An embodiment of the invention is shown in the drawing with the aid of several figures and explained in more detail in the following description. The drawing shows in
  • 1 is a view of a hearing aid according to the invention on a greatly enlarged scale,
  • Fig. 2 is an exploded sectional view of the hearing aid according to Fig. 1 and
  • Fig. 3 is a plan view of an inventive hearing aid with the knob removed.

Beschreibung der ErfindungDescription of the invention

Nach Fig. 1 weist ein erfindungsgemäßes im Ohrkanal zu tragendes Hörgerät 10 ein Gehäuse aus einem etwa halbkugelförmigen Gehäuseunterteil 11 mit einer Abflachung 12 an der Unterseite und ein der Kugelform des Unterteils angepaßtes Gehäuseoberteil 13 auf, das auf seiner Oberseite mit einer Abflachung 14 versehen ist. Die Abflachung 12 weist einen außermittigen hohlzylindrischen Stutzen 15 auf. Der Stutzen nimmt in seinem Innern das schallaustrittsseitige Ende eines Hörers 16 (vgl. Fig. 2) auf, dessen hohlzylindrischer Schallaustrittsstutzen 17 bei fertig montiertem Hörgerät eine Öffnung 18 am freien Ende des Stutzens durchsetzt. Der Hörer ist in einer hochelastischen Umhüllung 19 gelagert. Eine aus dem Gehäuseunterteil 11 ausschwenkbare Batterieklappe 20 bildet im eingeschwenkten Zustand einen Teil des Gehäuseunterteils 11 und ist dessen Kugelform angepaßt. Die Batterieklappe nimmt eine Batterie 21 bzw. einen Akkumulator auf, dessen Minuspol mit einer im Gehäuseunterteil 11 befestigten ersten Kontaktfeder 22 und dessen Pluspol mit einer zweiten Kontaktfeder 23 in elektrisch leitender Verbindung steht. Die Kontaktfedern 22, 23 gehören zu gegenüber der Abflachung 12 des Gehäuseunterteils 11 senkrecht stehenden Kontaktfederteilen 24 und 25, die eine mechanische und elektrische Verbindung zu einer ersten Leiterplatte 27 herstellen und zu diesem Zweck Lappen 24a, 24b und 25a aufweisen, die in entsprechende Öffnungen der ersten Leiterplatte passen und mit an den vorgenannten Öffnungen endenden Leitungsbahnen zum Beispiel durch Löten verbunden sind. Die erste Leiterplatte 27 trägt elektrische Bauteile 28 und 29 des Hörgeräteverstärkers, der über Leitungen 30 mit dem Hörer 16 verbunden ist.According to FIG. 1, a hearing aid 10 according to the invention to be worn in the ear canal has a housing made of an approximately hemispherical lower housing part 11 with a flattened portion 12 on the underside and a housing upper part 13 adapted to the spherical shape of the lower part, which is provided with a flat side 14 on its upper side. The flattened portion 12 has an eccentric hollow cylindrical connector 15. The socket receives in its interior the sound outlet end of a receiver 16 (see FIG. 2), the hollow cylindrical sound outlet socket 17 of which passes through an opening 18 at the free end of the socket when the hearing device is fully assembled. The receiver is stored in a highly elastic envelope 19. A battery flap 20 which can be swung out of the lower housing part 11 forms a part of the lower housing part 11 in the pivoted-in state and is adapted to its spherical shape. The battery flap receives a battery 21 or an accumulator, the negative pole of which is in electrically conductive connection with a first contact spring 22 fastened in the lower housing part 11 and the positive pole of which is connected to a second contact spring 23. The contact springs 22, 23 belong to contact spring parts 24 and 25 which are perpendicular to the flattened portion 12 of the lower housing part 11 and which establish a mechanical and electrical connection to a first printed circuit board 27 and for this purpose have tabs 24a, 24b and 25a which fit into corresponding openings in FIG fit the first printed circuit board and are connected to conductor tracks ending at the aforementioned openings, for example by soldering. The first printed circuit board 27 carries electrical components 28 and 29 of the hearing aid amplifier, which is connected to the receiver 16 via lines 30.

Eine parallel zu der ersten Leiterplatte ausgerichtete zweite Leiterplatte 31 dient als Träger für einen Verstärkungssteller 32, Trimmerwiderstände 33 sowie weitere elektrische Bauelemente, von denen in Fig. 2 nur ein Bauelement 34 zu sehen ist. Der Verstärkungssteller 32 weist ein scheibenförmiges Einstellelement 35 und der Trimmerwiderstand 33 ein schraubenkopfförmiges Einstellelement 36 (vgl. auch Fig. 3) mit einem Einstellschlitz 37 auf. Die zweite Leiterplatte 31 ist mit der ersten Leiterplatte 27 vorzugsweise über an der Unterseite der zweiten Leiterplatte vorhandene Steckerstifte 3B und an der Oberseite der ersten Leiterplatte vorhandene Buchsen 39 mechanisch und elektrisch verbunden.A second printed circuit board 31, which is aligned parallel to the first printed circuit board, serves as a support for a gain regulator 32, trimmer resistors 33 and further electrical components, of which only one component 34 can be seen in FIG. 2. The gain controller 32 has a disk-shaped adjusting element 35 and the trimmer resistor 33 has a screw-shaped adjusting element 36 (cf. also FIG. 3) with an adjusting slot 37. The second printed circuit board 31 is mechanically and electrically connected to the first printed circuit board 27 preferably via plug pins 3B provided on the underside of the second printed circuit board and sockets 39 provided on the upper side of the first printed circuit board.

Das Gehäuseoberteil 13 enthält in dem Bereich der Abflachung 14 eine außermittig liegende Schalldurchtrittsöffnung 42 (vgl. Fig. 2 und 3), in der ein Ende eines elastischen Schlauches 43 befestigt ist. Das andere Ende des Schlauches sitzt auf einem hohlzylindrischen Schalleintrittsstutzen 44 eines Mikrofons 45, das auf die vorstehend beschriebene Weise elastisch an dem Gehäuseoberteil befestigt ist und über Leitungen 46 mit mit der zweiten Leiterplatte 31 verbunden ist. Eine in Achsrichtung des Gehäuseoberteils 13 liegende Öffnung 47 (vgl. auch Fig. 3) dient zum freien Durchtritt des Einstellelementes 35 des Verstärkungsstellers 32 und zwei außermittig liegende Öffnungen 48, 49 zum freien Durchtritt der Einstellelemente 36 der Trimmerwiderstände 33.The upper housing part 13 contains in the area of the flat 14 an eccentric sound passage opening 42 (see FIGS. 2 and 3), in which one end of an elastic hose 43 is fastened. The other end of the hose sits on a hollow cylindrical sound inlet connector 44 of a microphone 45, which is elastically fastened to the upper housing part in the manner described above and is connected to the second printed circuit board 31 via lines 46. An opening 47 lying in the axial direction of the upper housing part 13 (cf. also FIG. 3) serves for the free passage of the adjusting element 35 of the reinforcement actuator 32 and two eccentric openings 48, 49 for the free passage of the adjusting elements 36 of the trimmer resistors 33.

Ein vorzugsweise kappenförmiger Drehknopf 50 weist auf seiner Innenseite 51 einen ringförmigen Kragen 52 auf, der derart bemessen ist, daß er auf das Einstellelement 35 geschnappt werden kann. Zu diesem Zweck weist der Kragen 52 an seinem freien Ende einen nach innen gerichteten ringförmigen Vorsprung 53 mit einer Abschrägung 54 auf, die das Aufschnappen erleichtert. Im aufgeschnappten Zustand kann der Verstärkungssteller 32 mit dem Drehknopf 50 eingestellt werden. Zwischen dem unteren Rand 55 des Drehknopfes 50 und der Abflachung 14 besteht bei aufgeschnapptem Drehknopf 50 ein kleiner Abstand h (vgl. Fig. 1), der den Schalleintritt in den Schlauch 43 gestattet.A preferably cap-shaped knob 50 has on its inside 51 an annular collar 52 which is dimensioned such that it can be snapped onto the adjusting element 35. For this purpose, the collar 52 has at its free end an inwardly directed annular projection 53 with a bevel 54 which makes it easier to snap on. In the snapped-on state, the gain controller 32 can be adjusted with the rotary knob 50. Between the lower edge 55 of the rotary knob 50 and the flattened area 14, when the rotary knob 50 is snapped on, there is a small distance h (cf. FIG. 1) which allows the sound to enter the hose 43.

Der Drehknopf 50 kann jederzeit wieder abgezogen werden, wenn es zum Beispiel erforderlich ist, die Trimmerwidertände 33 einzustellen. Bei abgenommenem Drehknopf sind die Einstellelemente 36 frei zugänglich.The rotary knob 50 can be pulled off at any time if, for example, it is necessary to set the trimmer resistance 33. When the rotary knob is removed, the setting elements 36 are freely accessible.

Die zweite Leiterplatte 31 kann in Abweichung von dem Ausführungsbeispiel nach Fig. 1 nicht mit der ersten Leiterplatte 27 mechanisch verbunden sein, sondern mit dem Gehäuseoberteil 13, zum Beispiel durch Schrauben. Das Gehäuse besteht vorzugsweise aus einem Kunststoff. Gehäuseunterteil 11 und Gehäuseoberteil 13 sind entweder durch eine Rastverbindung oder durch Kleben, Schrauben oder dergleichen miteinander verbunden.In a departure from the exemplary embodiment according to FIG. 1, the second printed circuit board 31 cannot be mechanically connected to the first printed circuit board 27, but to the upper housing part 13, for example by screwing. The housing is preferably made of a plastic. Lower housing part 11 and upper housing part 13 are connected to one another either by a snap connection or by gluing, screwing or the like.

Claims (9)

1. A hearing aid to be worn in the ear passage, having a transversely divided, thin-walled housing and an amplification regulator operable from the outside of the housing, characterised in that a rotary knob (50) is provided at a short distance (h) above a flattening (14) of an upper portion (13) of the housing and is releaseably connected to the amplification regulator (32), and that the flattening contains an opening (42) for the passage of sound.
2. A hearing aid as claimed in claim 1, characterised in that the flattening (14) contains at least one further opening (48) for the free passage of an adjusting element (36) for a regulator (33) disposed in the interior of the housing (10).
3. A hearing aid as claimed in claim 1 or 2, characterised in that the amplification regulator (32) has an adjusting element (35) onto which the rotary knob (50) may be snapped.
4. A hearing aid as claimed in claim 1 or 2, characterised in that a microphone (45) accommodated in the interior of the hearing aid housing (10) is rigidly connected to the opening (42) for the passage of sound by way of a resilient tube (43).
5. A hearing aid as claimed in claim 3, characterised in that the adjusting element (35) is in the form of a disc, and that the rotary knob (50) has on its underside (51) a collar (52) embracing the said disc.
6. A hearing aid as claimed in one of the claims 1 to 5, characterised in that the amplification regulator (32) and regulator (33) are disposed on a second printed circuit board (31) which is mechanically and electrically releaseably connected to a first printed circuit board (27) fixedly disposed in the lower portion (11) of the housing.
7. A hearing aid as claimed in one of the claims 1 to 5, characterised in that the amplification regulator (32) and the regulator (33) are secured to a second printed circuit board (31) which is mechanically rigidly connected to the upper portion (13) of the housing and which is electrically releaseably connected to the first printed circuit board (27) fixedly disposed in the lower portion (11) of the housing.
8. A hearing aid as claimed in one of the claims 1 to 7, characterised in that the hearing aid housing (10) is of substantially spherical construction.
9. A hearing aid as claimed in one of the claims 1 to 8, characterised in that the hearing aid housing (10) is made from a plastics material.
EP85114685A 1985-03-30 1985-11-19 Hearing aid to be worn in the auditory canal Expired - Lifetime EP0196366B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85114685T ATE59521T1 (en) 1985-03-30 1985-11-19 HEARING AID TO BE WEARED IN THE EAR CANAL.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853511792 DE3511792A1 (en) 1985-03-30 1985-03-30 HOER DEVICE TO BE WEARED IN THE EAR CHANNEL
DE3511792U 1985-03-30

Publications (3)

Publication Number Publication Date
EP0196366A2 EP0196366A2 (en) 1986-10-08
EP0196366A3 EP0196366A3 (en) 1988-07-06
EP0196366B1 true EP0196366B1 (en) 1990-12-27

Family

ID=6266931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85114685A Expired - Lifetime EP0196366B1 (en) 1985-03-30 1985-11-19 Hearing aid to be worn in the auditory canal

Country Status (6)

Country Link
US (1) US4672672A (en)
EP (1) EP0196366B1 (en)
JP (1) JPS61230499A (en)
AT (1) ATE59521T1 (en)
DE (2) DE3511792A1 (en)
DK (1) DK128686A (en)

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DE3581194D1 (en) 1991-02-07
DE3511792C2 (en) 1992-12-24
EP0196366A3 (en) 1988-07-06
DK128686A (en) 1986-10-01
DK128686D0 (en) 1986-03-20
JPS61230499A (en) 1986-10-14
DE3511792A1 (en) 1986-10-02
US4672672A (en) 1987-06-09
ATE59521T1 (en) 1991-01-15
EP0196366A2 (en) 1986-10-08

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