EP2930947A1 - A hearing aid receiver and a hearing aid comprising such a receiver - Google Patents
A hearing aid receiver and a hearing aid comprising such a receiver Download PDFInfo
- Publication number
- EP2930947A1 EP2930947A1 EP14164145.6A EP14164145A EP2930947A1 EP 2930947 A1 EP2930947 A1 EP 2930947A1 EP 14164145 A EP14164145 A EP 14164145A EP 2930947 A1 EP2930947 A1 EP 2930947A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- receiver
- filter
- hearing aid
- filter holder
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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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
- H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
-
- 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
- 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
- H04R25/654—Ear wax retarders
Definitions
- the present invention relates to a receiver/loudspeaker adapted for being mounted in a hearing aid, and comprising a receiver housing having a first substantially plane side face with a sound opening, and a filter holder with a filter, such as a cerumen filter, and where the filter holder comprises a substantially plane bottom face and a sound channel extending between a first opening arranged in the substantially plane bottom face, and a second opening adapted for releasably mounting of the filter in the filter holder in the sound channel.
- the invention also relates to a hearing aid comprising such a receiver.
- Hearing aids of the above mentioned kind are known in a lot of different embodiments, where the filter is mostly used as a wax guard with the primary purpose of avoiding ear wax from migrating into the receiver.
- ITE hearing aids with optimal sound quality and performance on the one hand, and on the other hand providing a hearing aid being as discrete as possible in the ear of the user.
- the purpose of the present invention is therefore to provide a hearing aid where especially the receiver and the filter socket requires reduced volume in a hearing aid.
- the substantially plane bottom plate is fastened to the first substantially plane side face of the receiver housing.
- the filter holder may preferably be fastened to the receiver housing by gluing, soldering or welding.
- the receiver housing may in a preferred embodiment extend within a substantially uniform rectangular cross section in all planes parallel to the first substantially plane side face, and the filter holder may have a cylindrical outer surface defining an outer diameter, and where the diagonal dimension of the substantially uniform cross section of the receiver housing is smaller than the outer diameter of the filter holder.
- the filter holder defines a direction of detachment of the filter from the filter socket, and the receiver/loudspeaker defines a primary direction of sound outlet being perpendicular to the substantially plane side face, and wherein the direction of detachment is arranged obliquely with respect to the primary direction of sound outlet, so that the receiver/loudspeaker is easy to build into a number of different hearing aids.
- the angle between the direction of detachment and the primary direction of sound is within the range from 5° to 45° and preferably in the range from 10° to 30°.
- a hearing aid according to the invention comprises a hearing aid housing with a receiver as mentioned above.
- the hearing aid housing comprises an outer surface and an internal cavity adapted for containing the receiver and the hearing aid housing comprises a filter socket wherein the filter holder is releasably mounted, so that the filter holder provides a sound channel extending through the filter between the outer surface and the receiver housing.
- the filter socket and the receiver are relatively sized in order to allow for insertion of the receiver housing through the channel and into the internal cavity, when the filter is dismantled from the filter socket.
- the filter holder may in one preferred embodiment be permanently fastened to the receiver housing by gluing, soldering or welding.
- the filter holder may be releasably attached to the receiver housing with a press fit, a frictional fit, or by means of heat releasable glue.
- Fig. 1 and 2 shows a perspective view and a side view of one embodiment of a receiver according to the invention.
- the receiver comprises a receiver housing 5 integral with a filter holder 6 fixed to a side face 12 of the receiver housing 5.
- FIG. 3 and 6 are principle drawings showing a cross section through hearing aids according to different embodiments of the invention.
- These hearing aids are both of the ITE (in the ear) type being adapted for being positioned completely in the ear of the user, but it will be apparent to the skilled person that the invention will also be applicable to other types of hearing aids being only partly positioned in the ear of the user.
- the hearing aids shown in figure 3 and 6 has a hearing aid housing 1 being closed at one end by a face plate 2, which will normally be the only visible part of the hearing aid, when the hearing aid is positioned in the ear of a user. Thereby the hearing aid housing 1 and the face plate 2 encloses an internal cavity 8.
- hearing aids of the ITE type all functional devices, such as electronics 3, batteries (not shown), wiring 4, a microphone (not shown), a receiver housing 5 and a cerumen filter holder 6 necessary for the function of the hearing aid have to be positioned in the narrow space provided by the internal cavity 8 in the hearing aid housing 1, and therefore it is important to have a high degree of freedom with respect to positioning each device in an optimal position in order to optimally utilize the space in the hearing aid housing 1.
- the hearing aid housing 1 further comprises e.g. a pressure equalizing channel 7 extending from the internal cavity 8 and to the outer surface 9 on the hearing aid housing 1.
- This pressure equalizing channel 7 must be arranged so that it is able to equalize pressure differences between the faceplate 2 at the outside of the hearing aid and the closed space in the ear of the user carrying the hearing aid, and thereby further reducing the freedom to position the functional devices in the internal cavity 8 of the hearing aid housing 1.
- a cerumen filter socket 13 is arranged in the end of the hearing aid housing facing the inside of the ear of the user, and the filter holder 6 is mounted in the filter socket 13, having a sound channel 10 extending between the filter holder 6 and the receiver housing 5.
- the filter holder 6 shown in fig. 1, 2 , 3, 4 and 5 is made from by deep drawing a sheet of metal to the shape shown in the figures, and is thereafter fixed to the plane side face 12 of the receiver housing 5 by welding, gluing or soldering.
- the filter holder 6 is as an alternative made from a plastic material, e.g. by injection moulding, and the filter holder 6 is thereafter mounted on the receiver housing 5 by means of a friction fit, a snap fit or by gluing.
- receiver housing 5 and the filter holder 6 forms a sturdy connection allowing the receiver housing 5 to be suspended only by the filter holder 6.
- the filter socket 6 is adapted for insertion and detachment of a filter unit 11, such as a cerumen filter, and so that the filter unit 11 can be inserted or detached in a direction of detachment as shown by the dotted line A in fig. 4 and 7 , and the receiver housing 5 has a plane side face 12 with a sound exit opening defining a primary direction of the sound outlet from the receiver housing 5 being perpendicular to the plane side face 12 as shown by the dotted line B in fig. 2 and 5 .
- a filter unit 11 such as a cerumen filter
- the filter holder 6, the sound channel 10, and the receiver housing 5 are designed so that the direction A of detachment is arranged obliquely to the primary direction B of the sound outlet.
- the filter/filter holder 6 is mounted in the filter socket 13 in the hearing aid housing 1, and the filter socket 13 provides a channel to the internal cavity 8 from the outside of the hearing aid housing 1. According to the invention this passage is made sufficiently large to allow for insertion of the receiver into the internal cavity 8 through the channel.
- the disclosed embodiments of a hearing aid according to the invention shows that the receiver housing 5 is mounted on the filter holder 6 which is mounted in the filter socket 13. As shown in the figures this provides the option of having the receiver 5 suspended only by the filter holder 6, so that it does not touch any parts of the hearing aid housing 1.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
- The present invention relates to a receiver/loudspeaker adapted for being mounted in a hearing aid, and comprising a receiver housing having a first substantially plane side face with a sound opening, and a filter holder with a filter, such as a cerumen filter, and where the filter holder comprises a substantially plane bottom face and a sound channel extending between a first opening arranged in the substantially plane bottom face, and a second opening adapted for releasably mounting of the filter in the filter holder in the sound channel.
- The invention also relates to a hearing aid comprising such a receiver.
- Hearing aids of the above mentioned kind are known in a lot of different embodiments, where the filter is mostly used as a wax guard with the primary purpose of avoiding ear wax from migrating into the receiver.
- Especially in relation to ITE "In The Ear" hearing aids there is an ongoing research and development with respect to provide ITE hearing aids with optimal sound quality and performance on the one hand, and on the other hand providing a hearing aid being as discrete as possible in the ear of the user. This requires that the components of the hearing aid, such as e.g. the receiver, the filter and its socket, and the electronics used for providing the audible signal are to be arranged in ever smaller spaces, and at the same time providing good sound quality.
- The purpose of the present invention is therefore to provide a hearing aid where especially the receiver and the filter socket requires reduced volume in a hearing aid.
- This is obtained with the hearing aid mentioned in the introduction, and where the filter holder is fastened to the receiver housing, so that the substantially plane bottom plate of the filter holder abuts the substantially plane side face of the receiver housing, and so that the sound opening is aligned with the first opening. Thereby the sound channel between the filter and the receiver is kept very short, so that the required length of the hearing aid is reduced.
- In a preferred embodiment the substantially plane bottom plate is fastened to the first substantially plane side face of the receiver housing.
- Furthermore the filter holder may preferably be fastened to the receiver housing by gluing, soldering or welding.
- The receiver housing may in a preferred embodiment extend within a substantially uniform rectangular cross section in all planes parallel to the first substantially plane side face, and the filter holder may have a cylindrical outer surface defining an outer diameter, and where the diagonal dimension of the substantially uniform cross section of the receiver housing is smaller than the outer diameter of the filter holder.
- In a further preferred embodiment the filter holder defines a direction of detachment of the filter from the filter socket, and the receiver/loudspeaker defines a primary direction of sound outlet being perpendicular to the substantially plane side face, and wherein the direction of detachment is arranged obliquely with respect to the primary direction of sound outlet, so that the receiver/loudspeaker is easy to build into a number of different hearing aids.
- In a preferred embodiment the angle between the direction of detachment and the primary direction of sound is within the range from 5° to 45° and preferably in the range from 10° to 30°.
- A hearing aid according to the invention comprises a hearing aid housing with a receiver as mentioned above. The hearing aid housing comprises an outer surface and an internal cavity adapted for containing the receiver and the hearing aid housing comprises a filter socket wherein the filter holder is releasably mounted, so that the filter holder provides a sound channel extending through the filter between the outer surface and the receiver housing.
- In a preferred embodiment of the hearing aid according to the invention the filter socket and the receiver are relatively sized in order to allow for insertion of the receiver housing through the channel and into the internal cavity, when the filter is dismantled from the filter socket.
- In this relation the filter holder may in one preferred embodiment be permanently fastened to the receiver housing by gluing, soldering or welding.
- In an alternative embodiment the filter holder may be releasably attached to the receiver housing with a press fit, a frictional fit, or by means of heat releasable glue.
- In the following, the invention will be described in greater detail with reference to embodiments shown by the enclosed figures. It should be emphasized that the embodiments shown are used for example purposes only and should not be used to limit the scope of the invention.
-
Fig. 1 : Is a perspective view of a receiver according to the invention. -
Fig. 2 : is a side view of the receiver shown infigure 1 . -
Fig. 3 : Is a principle drawing showing a cross section of a hearing aid according to the invention. -
Fig. 4 : Shows the receiver assembly shown infig. 3 . -
Fig. 5 : Is a perspective view of the receiver assembly shown infig. 3 and 4 . -
Fig. 6 : Is a principle drawing showing a cross section of another embodiment of a hearing aid according to the invention. -
Fig. 7 : Shows the receiver assembly shown infig. 6 . -
Fig. 8 Is a perspective view of the receiver assembly shown infig. 6 and 7 . -
Fig. 1 and 2 shows a perspective view and a side view of one embodiment of a receiver according to the invention. The receiver comprises areceiver housing 5 integral with afilter holder 6 fixed to aside face 12 of thereceiver housing 5. -
Fig. 3 and6 are principle drawings showing a cross section through hearing aids according to different embodiments of the invention, These hearing aids are both of the ITE (in the ear) type being adapted for being positioned completely in the ear of the user, but it will be apparent to the skilled person that the invention will also be applicable to other types of hearing aids being only partly positioned in the ear of the user. - The hearing aids shown in
figure 3 and6 has a hearing aid housing 1 being closed at one end by aface plate 2, which will normally be the only visible part of the hearing aid, when the hearing aid is positioned in the ear of a user. Thereby the hearing aid housing 1 and theface plate 2 encloses aninternal cavity 8. - In hearing aids of the ITE type all functional devices, such as
electronics 3, batteries (not shown),wiring 4, a microphone (not shown), areceiver housing 5 and acerumen filter holder 6 necessary for the function of the hearing aid have to be positioned in the narrow space provided by theinternal cavity 8 in the hearing aid housing 1, and therefore it is important to have a high degree of freedom with respect to positioning each device in an optimal position in order to optimally utilize the space in the hearing aid housing 1. - As it is apparent to the skilled person what functional devices are necessary or nice to have in an ITE hearing aid, then only the
electronics 3, thewiring 4, thecerumen filter holder 6 and thereceiver housing 5 are shown infig. 3 andfig. 6 . Furthermorefig. 3 shows the filter holder without a filter unit mounted therein, whereasfig. 6 shows that afilter unit 11 is mounted in thefilter holder 6. - Normally the hearing aid housing 1 further comprises e.g. a
pressure equalizing channel 7 extending from theinternal cavity 8 and to theouter surface 9 on the hearing aid housing 1. Thispressure equalizing channel 7 must be arranged so that it is able to equalize pressure differences between thefaceplate 2 at the outside of the hearing aid and the closed space in the ear of the user carrying the hearing aid, and thereby further reducing the freedom to position the functional devices in theinternal cavity 8 of the hearing aid housing 1. - In the hearing aid housing 1 a
cerumen filter socket 13 is arranged in the end of the hearing aid housing facing the inside of the ear of the user, and thefilter holder 6 is mounted in thefilter socket 13, having asound channel 10 extending between thefilter holder 6 and thereceiver housing 5. - The
filter holder 6 shown infig. 1, 2 ,3, 4 and 5 is made from by deep drawing a sheet of metal to the shape shown in the figures, and is thereafter fixed to theplane side face 12 of thereceiver housing 5 by welding, gluing or soldering. In the embodiment shown infig. 6, 7 and 8 thefilter holder 6 is as an alternative made from a plastic material, e.g. by injection moulding, and thefilter holder 6 is thereafter mounted on thereceiver housing 5 by means of a friction fit, a snap fit or by gluing. - Thereby the
receiver housing 5 and thefilter holder 6 forms a sturdy connection allowing thereceiver housing 5 to be suspended only by thefilter holder 6. - According to the shown embodiments of the invention the
filter socket 6 is adapted for insertion and detachment of afilter unit 11, such as a cerumen filter, and so that thefilter unit 11 can be inserted or detached in a direction of detachment as shown by the dotted line A infig. 4 and7 , and thereceiver housing 5 has aplane side face 12 with a sound exit opening defining a primary direction of the sound outlet from thereceiver housing 5 being perpendicular to theplane side face 12 as shown by the dotted line B infig. 2 and5 . - In order to provide the best options for positioning the filter/receiver assembly in the hearing aid housing 1, so that the
receiver housing 5 requires as little space as possible in theinternal cavity 8, then thefilter holder 6, thesound channel 10, and thereceiver housing 5 are designed so that the direction A of detachment is arranged obliquely to the primary direction B of the sound outlet. - It will, however, be apparent to the skilled person that for many applications the embodiment of the receiver shown in
fig. 1 and 2 , where thefilter holder 6 is arranged such that the primary direction of detachment is perpendicular to the sound outlet on theside face 12 of thereceiver housing 5, will be the most compact one. - The filter/
filter holder 6 is mounted in thefilter socket 13 in the hearing aid housing 1, and thefilter socket 13 provides a channel to theinternal cavity 8 from the outside of the hearing aid housing 1. According to the invention this passage is made sufficiently large to allow for insertion of the receiver into theinternal cavity 8 through the channel. - Furthermore the disclosed embodiments of a hearing aid according to the invention shows that the
receiver housing 5 is mounted on thefilter holder 6 which is mounted in thefilter socket 13. As shown in the figures this provides the option of having thereceiver 5 suspended only by thefilter holder 6, so that it does not touch any parts of the hearing aid housing 1.
Claims (10)
- A receiver adapted for being mounted in a hearing aid, the receiver comprising a receiver housing having a first substantially plane side face with a sound opening and a filter holder with a filter, such as a cerumen filter, the filter holder comprising a substantially plane bottom face and a sound channel extending between a first opening arranged in the substantially plane bottom face, and a second opening adapted for releasably mounting of the filter in the filter holder in the sound channel, wherein the filter holder is fastened to the receiver housing in such a way that the substantially plane bottom plate of the filter holder abuts the substantially plane side face of the receiver housing and the sound channel is aligned with the first opening.
- A receiver according to claim 1, where the substantially plane bottom plate is fastened to the first substantially plane side face of the receiver housing.
- A receiver according to claim 2, where the filter holder is fastened to the receiver housing by gluing, soldering or welding.
- A receiver according to claim 1, wherein the receiver housing extends within a substantially uniform rectangular cross section in all planes parallel to the first substantially plane side face, the filter holder has an outer surface conforming to the receiver housing and defining an outer opening, and the diagonal dimension of the substantially uniform cross section of the receiver housing is smaller than the outer opening of the filter holder.
- A receiver according to one or more of the preceding claims, wherein the filter holder defines a direction of detachment of the filter from the filter socket, the receiver defines a primary direction of a sound outlet being perpendicular to the substantially plane side face, and wherein the direction of detachment is arranged obliquely with respect to the primary direction of the sound outlet.
- A receiver according to claim 5, wherein the angle between the direction of detachment and the primary direction of sound is within the range from 5° to 45° and preferably in the range from 10° to 30°.
- A hearing aid comprising a hearing aid housing with a receiver according to one or more of the preceding claims, wherein the hearing aid housing comprises an outer surface and an internal cavity adapted for containing the receiver and where the hearing aid housing comprises a filter socket wherein the filter holder is releasably mounted, so that the filter holder provides a sound channel extending through the filter between the outer surface and the receiver housing.
- A hearing aid according to claim 7, wherein the filter socket and the receiver are relatively sized in order to allow for insertion of the receiver housing through the channel and into the internal cavity, when the filter is dismantled from the filter socket.
- A hearing aid according to claim 7 or 8, where the filter holder is permanently fastened to the receiver housing by gluing, soldering or welding.
- A hearing aid according to claim 7 or 8, where the filter holder is releasably attached to the receiver housing with a press fit, a frictional fit, or by means of heat releasable glue.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14164145.6A EP2930947A1 (en) | 2014-04-10 | 2014-04-10 | A hearing aid receiver and a hearing aid comprising such a receiver |
US14/336,471 US9386383B2 (en) | 2014-04-10 | 2014-07-21 | Hearing aid receiver and a hearing aid comprising such a receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14164145.6A EP2930947A1 (en) | 2014-04-10 | 2014-04-10 | A hearing aid receiver and a hearing aid comprising such a receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2930947A1 true EP2930947A1 (en) | 2015-10-14 |
Family
ID=50442424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14164145.6A Ceased EP2930947A1 (en) | 2014-04-10 | 2014-04-10 | A hearing aid receiver and a hearing aid comprising such a receiver |
Country Status (1)
Country | Link |
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EP (1) | EP2930947A1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030198361A1 (en) * | 2002-03-28 | 2003-10-23 | Markus Heerlein | Cerumen protection system for hearing aid devices |
US20050002540A1 (en) * | 2000-06-06 | 2005-01-06 | Andi Vonlanthen | In-ear hearing aid and method for its manufacture |
WO2010147554A1 (en) * | 2009-06-16 | 2010-12-23 | Siemens Medical Instruments Pte Ltd | Hearing aid with a replaceable insertion cap |
DE102010041695A1 (en) * | 2010-09-30 | 2011-08-25 | Siemens Medical Instruments Pte. Ltd. | In-the-ear (ITE) hearing instrument e.g. low ear channel hearing instrument of ear piece, has recordable receiver manufactured by deep-drawing that is provided with collar |
-
2014
- 2014-04-10 EP EP14164145.6A patent/EP2930947A1/en not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050002540A1 (en) * | 2000-06-06 | 2005-01-06 | Andi Vonlanthen | In-ear hearing aid and method for its manufacture |
US20030198361A1 (en) * | 2002-03-28 | 2003-10-23 | Markus Heerlein | Cerumen protection system for hearing aid devices |
WO2010147554A1 (en) * | 2009-06-16 | 2010-12-23 | Siemens Medical Instruments Pte Ltd | Hearing aid with a replaceable insertion cap |
DE102010041695A1 (en) * | 2010-09-30 | 2011-08-25 | Siemens Medical Instruments Pte. Ltd. | In-the-ear (ITE) hearing instrument e.g. low ear channel hearing instrument of ear piece, has recordable receiver manufactured by deep-drawing that is provided with collar |
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