CN101263736A - Receiver - Google Patents

Receiver Download PDF

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Publication number
CN101263736A
CN101263736A CNA2005800513980A CN200580051398A CN101263736A CN 101263736 A CN101263736 A CN 101263736A CN A2005800513980 A CNA2005800513980 A CN A2005800513980A CN 200580051398 A CN200580051398 A CN 200580051398A CN 101263736 A CN101263736 A CN 101263736A
Authority
CN
China
Prior art keywords
receiver
signal
telecommunication
shell
solenoid
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.)
Pending
Application number
CNA2005800513980A
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Chinese (zh)
Inventor
陈明海
何伟杰
邱威豪
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.)
Sivantos GmbH
Original Assignee
Siemens Audioligische Technik 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 Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Priority to CNA2005800513980A priority Critical patent/CN101263736A/en
Publication of CN101263736A publication Critical patent/CN101263736A/en
Pending legal-status Critical Current

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Abstract

A receiver for a hearing aid device that converts input electric signals, generated by a solenoid located adjacent a proximate region of a casing of the receiver, to acoustic waves which are emitted from an output of the casing remote from the proximate region, wherein the receiver is adapted to allow the input signals to be fed into the casing at a location spaced from the solenoid and towards the output of the receiver.

Description

Receiver
Technical field
The present invention relates to a kind of receiver that is used for auditory prosthesis.
Background technology
Auditory prosthesis generally includes a microphone, an amplifier and a receiver.The sound wave of microphone checkout gear outside, and produce the signal of telecommunication of representing these sound waves.The signal of telecommunication is amplified by amplifier and handles, and receiver produces the sound wave of the signal of telecommunication of expression through amplifying.Auditory prosthesis shown in Figure 1 has showed that the typical case of above assembly is provided with.Described assembly is through being provided with to utilize available minimal internal space best.
Receiver mainly comprises a solenoid (eletromagnetic coil) and a vibrating diaphragm, and solenoid produces magnetic field according to the mentioned signal of telecommunication through amplifying, and vibrating diaphragm produces sound wave according to changes of magnetic field.By outlet receiver is left in described sound wave guiding, enter in people's ear.
The magnetic field that is produced by solenoid may influence the performance of other assembly in the circuit of auditory prosthesis unfriendly.For this reason, the assembly of receiver is arranged on the conducting metal enclosure that is used for limit magnetic field usually.Metal shell serves as Faraday cage, and it protects other assembly to avoid the influence of magnetic field that receiver produces.
Described shell has comprised plurality of orifices, and the plural conductive pad that is connected to solenoid passes these apertures from the signal of telecommunication of amplifier reception through amplifying.These apertures are positioned on the rear wall of metal shell, as shown in Figure 1, near amplifier so that distance therebetween reduces to minimum.
The external conductive casing of receiver suppresses electromagnetic wave usually and passes receiver.Yet receiver has leaked magnetic flux by the opening that is used for pad.The quality and the performance of other assembly of device can be disturbed and reduce to this leakage.
The pad of the receiver of auditory prosthesis shown in Figure 1 is positioned on the rear wall of receiver, near amplifier.Like this, the magnetic flux bleed-through from receiver is directed to amplifier.Flux leakage may not necessarily influence the performance of amplifier unfriendly.Yet described leakage will influence the performance that is positioned near other assembly (for example, telecoil (telecoil)) of amplifier probably.As mentioned above, the finite size of auditory prosthesis makes and is necessary the closely assembly of setting device.So, for instance, reorientating telecoil perhaps is impossible with the influence that reduces from the magnetic flux bleed-through of receiver.
Telecoil provides the alternative input at hearing aids.Telecoil generally includes the lead loop (that is, solenoid) that is positioned at around unshakable in one's determination, and when described coil is in the magnetic field of variation, described solenoid will respond to the generation electric current in coil.Telecoil can be used as substituting or additional input unit of hearing aids.Usually, hearing aids " is listened to " with its microphone, then amplifies the content that its institute " hears ".Telecoil makes hearing aids can " hear " magnetic signal of expression sound as substituting microphone or the input source except that microphone.
Auditory prosthesis comprises that also another magnetic masking layer avoids the influence of mentioned magnetic flux bleed-through with the protection assembly.Auditory prosthesis had comprised also before that the electromagnetic compensation device was with the compensation magnetic flux bleed-through.Yet extra assembly may occupy the inner valuable area of auditory prosthesis, and may increase the cost and the complexity of its structure.
In general, need overcome or improve one or more in the above-mentioned difficulties, a kind of useful substitute perhaps is provided at least.
Summary of the invention
According to an aspect of the present invention, a kind of receiver that is used for auditory prosthesis is provided, it will be converted to sound wave by the input electrical signal that a solenoid produces, the proximal region (proximate region) of the contiguous receiver shell of described solenoid is located, described sound wave sends from the output of described shell away from described proximal region, wherein said receiver be suitable for allowing spaced apart with described solenoid and towards the position of the output of described receiver with the described shell of described input signal feed-in.
Preferably, described and solenoid spaced positions approaches described output.
According to a further aspect in the invention, provide a kind of receiver that is used for auditory prosthesis, it comprises:
(a) solenoid is used to receive the signal of telecommunication, and produces magnetic field according to described induction of signal;
(b) vibrating diaphragm, in response to the variation in described magnetic field so that produce the audible sound of the described signal of telecommunication of expression;
(c) pipe is used to receive described sound wave, and in a predetermined direction described sound wave is directed in the auditory prosthesis; And
(d) shell is suitable for described magnetic field is substantially limited in the receiver,
Wherein said receiver is suitable for receiving the described signal of telecommunication by described shell at a side joint of described predetermined direction upper shed.
According to another aspect of the invention, provide a kind of auditory prosthesis, it comprises:
(a) solenoid is used for the changes of magnetic field of checkout gear outside, and produces the signal of telecommunication of the described changes of magnetic field of expression; And
(b) receiver is used to receive the described signal of telecommunication, and produces the audible sound of the described signal of telecommunication of expression, and this receiver comprises the shell that an inhibition is therefrom passed by the magnetic field of receiver generation,
Wherein said receiver is kept off in a described solenoidal side joint by described shell and is received the described signal of telecommunication.
Preferably, a described side of described shell comprises an aperture, can pass arrange of being used to transmit the described signal of telecommunication or more than the lead of an insulation of described aperture.
Preferably, described aperture is sealed by encapsulant.
Preferably, a described side of described shell comprises and is used for receiving one of the described signal of telecommunication or more than a conductive contact piece from solenoid.
Description of drawings
Hereinafter only the preferred embodiments of the present invention are described in the mode of non-limiting example referring to accompanying drawing, in the accompanying drawings:
Fig. 1 is the perspective view of typical auditory prosthesis, wherein removes the part of outer cover so that show the inner body of described device;
Fig. 2 is the perspective view of auditory prosthesis according to the preferred embodiment of the invention, wherein removes the part of outer cover so that show the inner body of described device;
Fig. 3 is the perspective view of the receiver of auditory prosthesis shown in Figure 2;
Fig. 4 is the back perspective view of receiver shown in Figure 3;
Fig. 5 is the perspective view of the shell of receiver shown in Figure 3;
Fig. 6 is the perspective view that substitutes receiver;
Fig. 7 is the back perspective view of receiver shown in Figure 6; And
Fig. 8 is the perspective view of the shell of receiver shown in Figure 6.
Embodiment
Auditory prosthesis 10 shown in Figure 2 comprises microphone 12, the signal of telecommunication that it is used to receive the sound wave of auditory prosthesis 10 outsides and produces these sound waves of expression.The signal of telecommunication that microphone 12 is produced is received by an amplifier (not shown), and described amplifier is handled and amplification signal.Receiver 14 receives through amplifying signal from amplifier, and produces the audible sound of the described signal of telecommunication through amplifying of expression.Auditory prosthesis 10 is directed to the sound wave that receiver 14 produces in the passage 16, and passage 16 extends in the people's who wears auditory prosthesis 10 the ear.
Auditory prosthesis 10 also comprises telecoil 18, and it provides to auditory prosthesis 10 and substitutes input.Telecoil 18 comprises solenoid 20, and its induction when having the magnetic field that changes produces electric current.Telecoil 18 produces the signal of telecommunication of the changes of magnetic field of loud speaker in expression (for example) telephone receiver.The signal of telecommunication that telecoil 18 is produced is received by amplifier (not shown), and described amplifier is handled and amplification signal.Receiver 14 receives through amplifying signal from amplifier, and produces the audible sound of the described signal of telecommunication through amplifying of expression.
Auditory prosthesis 10 comprises a switch (not shown), and it is used for selecting between a plurality of input sources of receiver 14.Telecoil 18 substitutes the input source of microphone 12 as receiver 14, perhaps is used as the input source of receiver 14 outside microphone 12, makes auditory prosthesis 10 can " hear " magnetic signal of expression sound.
Fig. 3 and receiver 14 shown in Figure 4 comprise a solenoid (not shown), and it produces magnetic field according to the signal of telecommunication through amplifying that receives from amplifier.Receiver 14 also comprises a vibrating diaphragm (not shown), and the magnetic field that its motion is produced by solenoid is controlled.Vibrating diaphragm makes the vibration of vibrating diaphragm ambient air, produces the sound wave of expression from the signal of telecommunication through amplifying of microphone 12 or telecoil 18 receptions.Sound wave is directed leaving (pipe out) receiver 14 by the cylindrical tube 23 that extends from receiver 14 front sides 21, in the admission passage 16.The front side 21 of receiver 14 makes to guide the sound wave that leaves receiver 14 by cylindrical tube 23 towards passage 16 usually in the direction upper shed of passage 16.
The assembly of auditory prosthesis 10 (for example microphone 12, amplifier (not shown) and telecoil 18) before was developed, so be not described in detail at this.These assemblies preferably are arranged in the device 10 with known configurations, and use standard technique to communicate.
Similarly, the intraware of receiver 14 (not shown) (for example solenoid and vibrating diaphragm) before was developed, so be not described in detail at this.These assemblies preferably are arranged in the receiver 14 with known configurations, and use standard technique to communicate.
The mentioned intraware (not shown) of receiver 14 is arranged on external conductive casing 22 inside, and external conductive casing 22 serves as Faraday cage, and the magnetic confinement that will be produced by solenoid is in receiver 14.Metal shell 22 suppresses electromagnetic wave and passes.
Shell 22 preferably includes upper casing 22a and the lower casing 22b with respective shapes, as shown in Figure 5.The intraware of receiver 14 (for example solenoid and vibrating diaphragm) preferably is connected to lower casing 22b.Upper casing 22a surrounds these assemblies in the shell 22 when (for example) is arranged on lower casing 22b top with Fig. 3 and mode shown in Figure 4.Upper casing 22a and lower casing 22b preferably weld together.Perhaps, shell 22a, 22b can use any suitable way to link together.
Receiver 14 is by means of a plurality of leads 24 that are connected to receiver mentioned above 14 front sides 21, from other assembly reception signal of telecommunication of auditory prosthesis 10.By doing like this, will leave telecoil 18 from any magnetic flux bleed-through guiding of receiver 14.
The front side 21 of shell 22 comprises left aperture 26a and right aperture 26b, and its shape is designed to admit respectively conductive contact piece 28a, the 28b in the circuit (not shown) of receiver 14.A plurality of leads 24 are welded to contact 28a, 28b respectively.For instance, contact 28a, 28b connect the intraware of amplifier and receiver 14 as interface.
The front side 21 of shell 22 is generally oriented to the direction of passage 16, thereby will be directed in the passage 16 by the sound wave that cylindrical tube 23 leaves receiver 14.This allows receiver 14 to leak any magnetic field that is produced by solenoid by contact 28a, 28b on the direction of passage 16.Described leakage is promptly kept off in an end of telecoil by receiver 14 and is taken place by the front side 21 of receiver 14.Receiver 14 reduces the influence that flux leakage is produced the telecoil performance whereby.
The front side of shell 22 comprises that also its shape is designed to admit the aperture 30 of cylindrical tube 23.
It is sealed and cover with the opposing magnetic dispersion that receiver 14 shells 22 approach the rear wall 32 of telecoil 18.The rear wall 32 of shell 22 suppresses the magnetic dispersion of receiver 14 on the telecoil direction.
Fig. 6 and alternative receiver 40 shown in Figure 7 comprise solenoid (not shown), and it produces magnetic field according to the signal of telecommunication through amplifying that the amplifier from auditory prosthesis shown in Figure 2 10 receives.Receiver 40 also comprises vibrating diaphragm (not shown), and its motion is subjected to be controlled by the magnetic field that solenoid produces.Vibrating diaphragm makes the vibration of vibrating diaphragm ambient air, and generation is represented from the sound wave of the signal of telecommunication through amplifying of the microphone 12 of auditory prosthesis 10 or telecoil 18 receptions.Described sound wave is directed leaving receiver 40 by the cylindrical tube 42 that extends from receiver 40 front sides 44, in the admission passage 16.The front side 44 of receiver 40 makes to guide the sound wave that leaves receiver 40 by cylindrical tube 42 towards passage 16 usually in the direction upper shed of passage 16.
The intraware of receiver 40 (not shown) (for example solenoid and vibrating diaphragm) before was developed, so be not described in detail at this.These assemblies preferably are arranged in the receiver 40 with known configurations, and use standard technique to communicate.
The mentioned intraware (not shown) of receiver 40 is arranged on external conductive casing 46 inside, described external conductive casing 46 serve as Faraday cage with magnetic confinement that solenoid was produced in receiver 40.Metal shell 46 suppresses electromagnetic wave and passes.
Shell 46 preferably includes upper casing 46a and the lower casing 46b with respective shapes, as shown in Figure 8.The intraware of receiver 40 (for example solenoid and vibrating diaphragm) preferably is connected to lower casing 46b.Upper casing 46a surrounds these assemblies in the shell 46 when (for example) is arranged on lower casing 46b top in the mode shown in Fig. 6 and 7.Upper casing 46a and lower casing 46b preferably weld together.Perhaps, shell 46a, 46b can use any suitable way to link together.
Receiver 40 is by means of a plurality of leads 48 that are connected to the intraware of receiver 40 by an aperture 50 in receiver mentioned above 40 front sides 44, and receives signal of telecommunication from other assembly of auditory prosthesis 10.By doing like this, will leave telecoil 18 from any magnetic flux bleed-through guiding of receiver 14.Aperture 50 is enough little, snugly to cooperate the conduction insulated wire (electricallyconductive insulated wires) 48 that passes therethrough.
When having assembled auditory prosthesis 10 and having arranged lead,, reduce to minimum and guarantee that line 48 is in the fixed position so that the sound wave of receiver 40 is leaked then with suitable encapsulant seal orifice 50 by aperture 50.
The front side 44 of shell 46 is generally oriented to the direction of passage 16, makes to be directed in the passage 16 by the sound wave that cylindrical tube 42 leaves receiver 40.
Receiver 40 is arranged in the auditory prosthesis 10, makes the front end 44 of receiver 40 towards passage 16 and keep off in telecoil 18.
The front side of shell 44 comprises that also its shape is designed to admit the aperture 52 of cylindrical tube 42.
The rear wall that approaches telecoil 18 54 of the shell 46 of receiver 40 is sealed and cover with the opposing magnetic dispersion.The rear wall 54 of shell 46 suppresses the magnetic dispersion of receiver 14 on the direction of telecoil 18.
Although we have showed and have described specific embodiments of the invention that the those skilled in the art can understand further modification and improvement.Therefore, we wish and should understand, and the invention is not restricted to the particular form of being showed, and we wish to contain all modifications that does not break away from spirit and scope of the invention in appended claims.
The element tabulation
Auditory prosthesis 10
Microphone 12
Receiver 14
Passage 16
Telecoil 18
Solenoid 20
The front side 21 of receiver
External conductive casing 22
The upper casing 22a of shell
The lower casing 22b of shell
Cylindrical tube 23
Conduction insulated wire 24
Conductive contact piece 26a, 26b
Aperture 28a, 28b, 30
The rear side 32 of receiver
Receiver 40
Cylindrical tube 42
The front side 44 of receiver
External conductive casing 46
The upper casing 46a of shell
The lower casing 46b of shell
Conduction insulated wire 48
Aperture 50,52
The rear side 54 of receiver

Claims (11)

1. receiver that is used for auditory prosthesis, this receiver will be converted to sound wave by the input electrical signal that a solenoid produces, the proximal region of the shell of the contiguous described receiver of described solenoid, described sound wave sends from the output of described shell away from described proximal region, wherein, described receiver be suitable for allowing spaced apart with described solenoid and towards the position of the described output of described receiver with the described shell of described input signal feed-in.
2. receiver according to claim 1, wherein said and described solenoid spaced positions is near described output.
3. receiver according to claim 1 and 2, wherein said and described solenoid spaced positions comprises an aperture, the shape in described aperture is designed to admit of transmitting the described signal of telecommunication or more than a conduction insulated wire.
4. receiver according to claim 1, wherein said and described solenoid spaced positions comprise one or more than a conductive contact piece, coil can receive the described signal of telecommunication by described conductive contact piece.
5. receiver that is used for auditory prosthesis comprises:
(a) solenoid is used to receive the signal of telecommunication, and produces magnetic field according to described induction of signal;
(b) vibrating diaphragm, in response to the variation in described magnetic field so that produce the audible sound of the described signal of telecommunication of expression;
(c) pipe is used to receive described sound wave, and in a predetermined direction described sound wave is directed in the described auditory prosthesis; And
(d) shell is suitable for described magnetic field is substantially limited in the described receiver,
Wherein said receiver is suitable for receiving the described signal of telecommunication by described shell at a side joint of described predetermined direction upper shed.
6. auditory prosthesis comprises:
(a) solenoid is used to detect the changes of magnetic field of described auditory prosthesis outside, and produces the signal of telecommunication of the described changes of magnetic field of expression; And
(b) receiver is used to receive the described signal of telecommunication, and produces the audible sound of the described signal of telecommunication of expression, and this receiver comprises a shell, and this shell suppresses therefrom to be passed by the magnetic field that described receiver produces,
Wherein, described receiver is kept off in a described solenoidal side joint by described shell and is received the described signal of telecommunication.
7. auditory prosthesis according to claim 6, a described side of wherein said shell comprises an aperture, can be by arrange of being used to transmit the described signal of telecommunication or more than the lead of an insulation of this aperture.
8. auditory prosthesis according to claim 7, wherein said aperture is sealed by encapsulant.
9. auditory prosthesis according to claim 6, a described side of wherein said shell comprise and are used for receiving one of the described signal of telecommunication or more than a conductive contact piece from described solenoid.
10. according to the described auditory prosthesis of arbitrary claim in the claim 6 to 9, wherein said receiver comprises a pipe, this pipe is used to receive described sound wave, and on the direction of the described side opening of described shell described sound wave is directed in the described auditory prosthesis.
11. according to the described auditory prosthesis of arbitrary claim in the claim 6 to 10, wherein said solenoid is the part of a telecoil.
CNA2005800513980A 2005-08-31 2005-08-31 Receiver Pending CN101263736A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2005800513980A CN101263736A (en) 2005-08-31 2005-08-31 Receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2005800513980A CN101263736A (en) 2005-08-31 2005-08-31 Receiver

Publications (1)

Publication Number Publication Date
CN101263736A true CN101263736A (en) 2008-09-10

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ID=39963070

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2005800513980A Pending CN101263736A (en) 2005-08-31 2005-08-31 Receiver

Country Status (1)

Country Link
CN (1) CN101263736A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109951786A (en) * 2019-03-27 2019-06-28 钰太芯微电子科技（上海）有限公司 A kind of hearing aid device system of cardinar number structured

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109951786A (en) * 2019-03-27 2019-06-28 钰太芯微电子科技（上海）有限公司 A kind of hearing aid device system of cardinar number structured

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Open date: 20080910