CN207070335U - Loudspeaker monomer and loudspeaker module - Google Patents
Loudspeaker monomer and loudspeaker module Download PDFInfo
- Publication number
- CN207070335U CN207070335U CN201720778268.7U CN201720778268U CN207070335U CN 207070335 U CN207070335 U CN 207070335U CN 201720778268 U CN201720778268 U CN 201720778268U CN 207070335 U CN207070335 U CN 207070335U
- Authority
- CN
- China
- Prior art keywords
- lead
- voice coil
- groove
- length
- loudspeaker
- 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.)
- Active
Links
- 239000000178 monomer Substances 0.000 title claims abstract description 40
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000010287 polarization Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
It the utility model is related to a kind of loudspeaker monomer and loudspeaker module.The monomer includes:Voice coil loudspeaker voice coil, voice coil loudspeaker voice coil include voice coil loudspeaker voice coil body and at least two leads, and every lead includes suspending part and connecting portion, and one end of suspending part is connected with connecting portion, and the other end is connected with voice coil loudspeaker voice coil body;And washer, supporting part is provided with washer, supporting part corresponds with lead, bearing of trend of the connecting portion of lead along supporting part connects up and is fixed on supporting part, wherein, the length of supporting part corresponding to i-th lead at least two leads is less than the length of supporting part corresponding to j-th strip lead, is compensated with the suspending part to i-th lead, reduces the length difference of i-th lead and the suspending part of j-th strip lead.One purposes of utility model is to be used for loudspeaker module.
Description
Technical field
Electroacoustic switch technology field is the utility model is related to, more specifically, the utility model is related to a kind of loudspeaker monomer
And loudspeaker module.
Background technology
In the prior art, coil-moving speaker monomer includes vibration component and magnetic circuit component, and vibration component includes vibrating diaphragm
The voice coil loudspeaker voice coil being connected with vibrating diaphragm.Magnetic circuit component includes frame, magnet and washer.Magnet is arranged in frame, and washer is set
On magnet.Magnetic circuit component forms magnetic gap.In voice coil loudspeaker voice coil insertion magnetic gap.
The positive and negative electrode lead of voice coil loudspeaker voice coil needs part hanging after extraction, to provide the free degree for the vibration of vibration component.So
Afterwards, lead is fixed with washer.Washer plays a part of supporting wire.Lead can be designed to the structure of camber line after extraction.
However, being limited to the influence of manufacture craft, the usual radian of camber line of positive and negative electrode lead is not of uniform size, causes camber line
Different in size, the structure of washer is symmetrical and equidistant structure.So, after lead is fixed on washer, can cause just,
The length of negative pole overhanging portion is unequal.In vibration, the length of this overhanging portion is unequal to cause what two leads were subject to
Power is inconsistent, so that the amplitude of vibration component both sides is different, polarization phenomena occurs, influences the pronunciation effect of loudspeaker monomer
Fruit.
Utility model content
A purpose of the present utility model is to provide a kind of new solution of loudspeaker monomer
According to one side of the present utility model, there is provided a kind of loudspeaker monomer.The monomer includes:Voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil
Including voice coil loudspeaker voice coil body and at least two leads, the every lead includes suspending part and connecting portion, one end of the suspending part with
The connecting portion connection, the other end are connected with the voice coil loudspeaker voice coil body;And washer, supporting part, institute are provided with the washer
State supporting part and the lead to correspond, the bearing of trend of the connecting portion of the lead along the supporting part is connected up and consolidated
The supporting part is scheduled on, wherein, the length of supporting part is less than j-th strip corresponding to i-th lead at least two leads
The length of supporting part corresponding to lead, compensated with the suspending part to i-th lead, reduce i-th lead with
The length difference of the suspending part of j-th strip lead.
Alternatively, the supporting part includes groove, the bearing of trend wiring of the connecting portion of the lead along the groove.
Alternatively, at least two leads include the first lead and the second lead, first lead and described second
Wherein one, lead is the electrode line of voice coil loudspeaker voice coil, and another is negative line;First lead includes the first suspending part and first and connected
Socket part, second lead include the second suspending part and second connecting portion;
The washer includes the first groove corresponding with first lead and corresponding with second lead second recessed
Groove, the length of first groove are less than the length of second groove, to be carried out to the suspending part of first lead (13)
Compensation, reduce first lead (13) and the length difference of the suspending part of the second lead (14);Either, first groove
Length is more than the length of second groove, is compensated with the suspending part to second lead (14), reduces described first
The length difference of lead (13) and the suspending part of the second lead (14).
Alternatively, the connecting portion is fixed in the groove by binding agent.
Alternatively, the magnetic circuit component of the loudspeaker monomer includes side magnet, and the washer is annular washer, the annular
Washer is arranged on the side magnet, and the groove is provided with the annular washer.
Alternatively, the groove is located at the inner side of the annular washer.
Alternatively, first groove and the second groove are oppositely arranged.
Alternatively, the washer is injected into by insert injection moulding in the housing of the loudspeaker monomer, or, the China
Department is adhered in the housing of the loudspeaker monomer.
Alternatively, the voice coil loudspeaker voice coil body is circular, rectangle or track type.
According to other side of the present utility model, there is provided a kind of loudspeaker module.The module includes the utility model
The loudspeaker monomer provided.
One of the present utility model has technical effect that, in the utility model embodiment, the length of multiple supporting parts is not
Together, the length of this connecting portion for causing lead is different.Wherein, the length for the connecting portion being connected with shorter supporting part is shorter, makes
The length increase of the suspending part of the lead is obtained, so as to which the length of the suspending part to the lead compensates;With longer supporting part
The length of the connecting portion of connection is longer so that the length of the suspending part of the lead reduces.The corresponding shorter arc of shorter supporting part
Line portion, the corresponding longer camber line portion of longer supporting part.In this way, the length of the suspending part of two leads can be reduced
Difference, there is situation about polarizing in vibration to reduce vibration component, improve the sound effect of loudspeaker monomer.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing of a part for constitution instruction describes embodiment of the present utility model, and uses together with the description
In explanation principle of the present utility model.
Fig. 1 is the exploded view according to a part for the loudspeaker monomer of one embodiment of the present utility model.
Fig. 2 is Fig. 1 installation diagram.
Fig. 3 is the structural representation according to the annular washer of one embodiment of the present utility model.
Description of reference numerals:
11:Center washer;12:Voice coil loudspeaker voice coil body;13:First lead;14:Second lead;15:First camber line portion;16:Second
Camber line portion;17:First connecting portion;18:Second connecting portion;19:Housing;20:Annular washer;21:Centring magnet;22:First is recessed
Groove;23:Side magnet;24:Frame;25:Pad;26:Second groove;27:First suspending part;28:Second suspending part.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that:It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in appropriate situation
Under, the technology and equipment should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 is the exploded view according to a part for the loudspeaker monomer of one embodiment of the present utility model.Fig. 2 is Fig. 1
Installation diagram.Fig. 3 is the structural representation according to the annular washer of one embodiment of the present utility model.
According to one embodiment of the present utility model, there is provided a kind of loudspeaker monomer.The loudspeaker monomer is moving-coil type
Monomer, it is used for various electronic equipments.
Loudspeaker monomer includes voice coil loudspeaker voice coil and washer.In the monomer, voice coil loudspeaker voice coil is connected with vibrating diaphragm, to form vibration component.Forever
Magnet is used to form magnetic gap.In voice coil loudspeaker voice coil insertion magnetic gap.Permanent magnet is fixed in frame 24, to form magnetic circuit component.Vibration
Component is suspended at the top of magnetic circuit component.Washer is provided with permanent magnet.Washer is made by magnetic conductive material.Washer energy
Enough improve the magnetic induction in magnetic field in magnetic gap.
In the utility model embodiment, voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil body 12 and at least two leads.Specifically, voice coil loudspeaker voice coil body
12 be around the tubular structure formed by conductor loop.Optionally, voice coil loudspeaker voice coil body 12 is circular, rectangle or track type etc., with suitable
Answer magnetic gap of different shapes.
Every lead includes suspending part and connecting portion.Suspending part is part hanging in lead.The part is vibration component
Vibration provide the free degree.Connecting portion is used to be connected with washer.One end of suspending part is connected with connecting portion, the other end and voice coil loudspeaker voice coil
Body 12 connects.Suspending part has camber line portion.Camber line portion is the part being connected in suspending part with voice coil loudspeaker voice coil body 12.
Supporting part is provided with washer.Supporting part is used to carry lead.For example, using binding agent by the connecting portion of lead
It is adhered to supporting part.Washer is used to gather magnetic induction line.Supporting part corresponds with lead, and the quantity of the two is equal.The company of lead
Bearing of trend of the socket part along supporting part connects up and is fixed on supporting part.Lead is connected after being drawn by supporting part with pad 25,
Electrically connected by pad 25 with external circuit.
It should be noted that the direction of the wiring of lead can be parallel with the bearing of trend of supporting part or not
Parallel, as long as lead is located in supporting part and substantially along the bearing of trend cabling of supporting part.
In the utility model embodiment, at least two leads, the length of supporting part is less than corresponding to i-th lead
The length of supporting part corresponding to j-th strip lead, is compensated with the suspending part to i-th lead, reduces i-th lead and jth
The length difference of the suspending part of bar lead.
In the prior art, the length of the suspending part of i-th lead is less than the length of j-th strip lead suspending part, causes
During vibration, vibration component is different by the pulling force of two leads, and causes to polarize.In the utility model, by i-th lead pair
The Design of length for the supporting part answered is the length less than supporting part corresponding to j-th strip lead, so as to the i-th lead
Suspending part compensates, and as adds the length of the suspending part of i-th lead, and i-th lead of reduction is outstanding with j-th strip lead
The length difference in empty portion so that vibration component is tended to be identical by the pulling force of two leads, so as to improve polarization.
It should be noted that because every lead is because the length in the camber line portion connected from voice coil loudspeaker voice coil body is different, and cause
The length of suspending part is different, and therefore, the length of the suspending part of i-th lead is less than the length of the suspending part of j-th strip lead, is
The length in the camber line portion of i-th lead is less than the length in the camber line portion of j-th strip lead.I-th lead is at least two leads
Other leads in addition to the most long lead of the length of suspending part.J-th strip lead is the length that suspending part is removed at least two leads
Other leads outside the most short lead of degree.And i-th lead is different leads from j-th strip lead.
By taking two leads as an example.The length in the camber line portion of two leads is different, if two full symmetric settings of supporting part,
Then the length of two wire connections is identical, the length of the suspending part of two leads can be caused different, the hanging lead of two such
It is supplied to the vibrational degrees of freedom of vibration component different.In vibration, vibration component is different by the pulling force of two leads, and causes
Polarization.
In the utility model embodiment, the length of two supporting parts is different, and this causes the length of the connecting portion of two leads
Degree is different.Wherein, the length for the connecting portion being connected with shorter supporting part is shorter so that the length of the suspending part of the lead increases
Add, so as to which the length of the suspending part to the lead compensates;The length for the connecting portion being connected with longer supporting part is longer, makes
The length for obtaining the suspending part of the lead reduces.The corresponding shorter camber line portion of shorter supporting part, longer supporting part are corresponding longer
Camber line portion, so as to the length of the connecting portion by shortening the lead compared with short arc line portion, and then add compared with short arc line portion
Lead suspending part length, the length of the suspending part of this lead is compensated so as to reach, makes shorter camber line portion
Length after the compensation of the suspending part of lead, reduce with the length difference of the suspending part of the lead compared with spiral portion.Pass through this side
Formula, it can ensure that the length difference of the suspending part of two leads reduces, to reduce the problem of vibration component polarizes in vibration,
Improve the sound effect of loudspeaker monomer.
Preferably, supporting part includes groove.Bearing of trend wiring of the connecting portion of lead along groove.Groove can limit
Lead moves.
Further, connecting portion is fixed in groove by binding agent.In this way, can prevent outside binding agent
Overflow, this make it that the bonding strength of connecting portion and supporting part is high.
In one example, as shown in Figure 1-2, voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil body 12, the first lead 13 and the second lead 14.Example
Such as, the first lead 13 and the electrode line that wherein one, the second lead 14 is voice coil loudspeaker voice coil, another is negative line.
Or, the first lead 13 and the second lead 14 are any in a plurality of leads of voice coil loudspeaker voice coil in other examples
Two.
First lead 13 includes the first suspending part 27 and first connecting portion 17.First connecting portion 17 is used to be connected with washer.
First connecting portion 17 is connected by the first suspending part 27 with voice coil loudspeaker voice coil body 12.Further, the first suspending part 27 includes the first arc
Line portion 15, and the first camber line portion 15 of the first suspending part 27 is connected with voice coil loudspeaker voice coil body 12, as by the first suspending part 27 with sound
The part that circle body 12 connects is referred to as the first camber line portion 15.
Second lead 14 includes the second suspending part 28 and second connecting portion 18.Second connecting portion 18 is used to be connected with washer.
Second connecting portion 18 is connected by the second suspending part 28 with voice coil loudspeaker voice coil body 12.Further, the second suspending part 28 includes the second arc
Line portion 16, and the second camber line portion 16 of the second suspending part 28 is connected with voice coil loudspeaker voice coil body 12, as by the second suspending part 28 with sound
The part that circle body 12 connects is referred to as the second camber line portion 16.It is limited to the processing technology of voice coil loudspeaker voice coil so that the length in the first camber line portion 15
It is typically different with the length in the second camber line portion 16, so, the length of the first suspending part 27 and the second suspending part 28 is also different.
In this example embodiment, supporting part is groove.The first groove 22 and the second groove 26 are provided with washer.And first is recessed
Groove 22 is corresponding with the first lead 13, bearing of trend wiring of the first connecting portion 17 along the first groove 22, and is fixed on the
In one groove 22.Second groove 26 is corresponding with the second lead 14, bearing of trend cloth of the second connecting portion 18 along the second groove 26
Line, and be fixed in the second groove 26.For example, first connecting portion 17 is fixed in the first groove 22 by binding agent.
Second connecting portion 18 is fixed in the second groove 26 by binding agent.
In one example, the length in the first camber line portion 15 is less than the length in the second camber line portion 16, as the first suspending part
27 length is less than the length of the second suspending part 28., can be by the first groove when setting the first groove 22 and the second groove 26
22 length is set smaller than the length of the second groove 26.So so that the length of first connecting portion 17 is shorter, then corresponding to increase
The length of the first suspending part 27 is added, so as to be compensated the length of the first suspending part 27.In this way, can reduce
The length difference of first suspending part 27 and the second suspending part 28, improve polarization problem.
In another example, the length in the first camber line portion 15 is more than the length in the second camber line portion 16, and as first is hanging
The length in portion 27 is more than the length of the second suspending part 28., can be recessed by first when setting the first groove 22 and the second groove 26
The length of groove 22 is set greater than the length of the second groove 26.
So so that the length of second connecting portion 18 is shorter, then has accordingly increased the length of the second suspending part 28, so as to
The length of second suspending part 28 is compensated.In this way, the first suspending part 27 and the second suspending part 28 can be reduced
Length difference, improve polarization problem.
In one example, as shown in figure 1, the magnetic circuit component of loudspeaker monomer includes side magnet 23 and centring magnet 21.
Side magnet 23 is located at around centring magnet 21, to form magnetic gap between.Washer includes center washer 11 and Bian Hua
Department.Washer for supporting wire is side washer.Wherein, side washer can be annular washer 20, and annular washer 20 includes
Supporting part, for example, being provided with the first groove 22 and the second groove 26 in annular washer 20.
In this example embodiment, as shown in figure 3, side washer is annular washer 20.Annular washer 20 is arranged on side magnet 23.
Center washer 11 is arranged on centring magnet 21.Annular washer 20 is embedded in housing 19.Because annular washer 20 is located at center
The outside of washer 11, so that the extraction of lead is easier.
Preferably, supporting part is located at the inner ring of annular washer 20.For example, the first groove 22 and the second groove 26 are respectively positioned on
The inner ring of annular washer 20.In this way, two grooves are close to voice coil loudspeaker voice coil body, lead draw after by shorter path just
It can be connected with groove, this causes the fixation of lead and groove to be easier.
In one example, the first lead 13 is oppositely arranged with the second lead 14.Draw with first the position of first groove 22
The position of line 13 is corresponding.The position of second groove 26 is corresponding with the position of the second lead 14, as the first groove 22 and
Two grooves 26 are oppositely arranged.In this way, the suspending part of two leads is distributed in the both sides of voice coil loudspeaker voice coil body.In vibration,
Vibration component is symmetrical by the pulling force of two leads, can so reduce the generation of polarization.
In other examples, can be set in center washer 11 fluted.For example, groove is 2 and length.This
Sample, two leads are connected with two grooves positioned at center washer 11 respectively after drawing.Equally, the generation of polarization can be reduced.
Further, washer body is injected into the housing 19 of loudspeaker monomer by insert injection moulding.Pass through this side
Formula, the bonding strength of washer and housing 19 is higher, and the stability of loudspeaker monomer is higher.
Or washer body is affixed to by way of stickup in the housing 19 of loudspeaker monomer.
According to another embodiment of the present utility model, there is provided a kind of loudspeaker module.It is new that the module includes this practicality
The loudspeaker monomer that type provides.
The module has the characteristics of noise is small, and sound effect is good.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that above example merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
- A kind of 1. loudspeaker monomer, it is characterised in that including:Voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil include voice coil loudspeaker voice coil body (12) and at least two leads, and the every lead includes suspending part and connection Portion, one end of the suspending part are connected with the connecting portion, and the other end is connected with the voice coil loudspeaker voice coil body (12);AndWasher, supporting part is provided with the washer, the supporting part corresponds with the lead, the connection of the lead Bearing of trend of the portion along the supporting part connects up and is fixed on the supporting part, wherein, at least two leads The length of supporting part corresponding to i-th lead is less than the length of supporting part corresponding to j-th strip lead, with to i-th lead Suspending part compensates, and reduces the length difference of i-th lead and the suspending part of j-th strip lead.
- 2. loudspeaker monomer according to claim 1, it is characterised in that the supporting part includes groove, the lead Bearing of trend wiring of the connecting portion along the groove.
- 3. loudspeaker monomer according to claim 2, it is characterised in that at least two leads include the first lead (13) and the second lead (14), first lead (13) and the electrode line that wherein one, second lead (14) is voice coil loudspeaker voice coil, Another is negative line;First lead (13) includes the first suspending part (27) and first connecting portion (17), and described second draws Line (14) includes the second suspending part (28) and second connecting portion (18);The washer include with first lead (13) corresponding to the first groove (22) and corresponding with second lead (14) The second groove (26), the length of first groove (22) is less than the length of second groove (26), with to described first The suspending part of lead (13) compensates, and reduces first lead (13) and the length difference of the suspending part of the second lead (14); Either, the length of first groove (22) is more than the length of second groove (26), with to second lead (14) Suspending part compensate, reduce first lead (13) and the length difference of the suspending part of the second lead (14).
- 4. the loudspeaker monomer according to Claims 2 or 3, it is characterised in that the connecting portion is fixed by binding agent In the groove.
- 5. the loudspeaker monomer according to Claims 2 or 3, it is characterised in that the magnetic circuit component bag of the loudspeaker monomer Side magnet (23) is included, the washer is annular washer (20), and the annular washer (20) is arranged on the side magnet (23), The groove is provided with the annular washer (20).
- 6. loudspeaker monomer according to claim 5, it is characterised in that the groove is located at the annular washer (20) Inner side.
- 7. loudspeaker monomer according to claim 3, it is characterised in that first groove (22) and the second groove (26) It is oppositely arranged.
- 8. loudspeaker monomer according to claim 1, it is characterised in that the washer is injected into institute by insert injection moulding In the housing (19) for stating loudspeaker monomer, or, the washer is adhered in the housing (19) of the loudspeaker monomer.
- 9. loudspeaker monomer according to claim 1, it is characterised in that the voice coil loudspeaker voice coil body (12) for circular, rectangle or Person's track type.
- 10. a kind of loudspeaker module, it is characterised in that including the loudspeaker list as described in any one in claim 1-9 Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778268.7U CN207070335U (en) | 2017-06-29 | 2017-06-29 | Loudspeaker monomer and loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778268.7U CN207070335U (en) | 2017-06-29 | 2017-06-29 | Loudspeaker monomer and loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207070335U true CN207070335U (en) | 2018-03-02 |
Family
ID=61506278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778268.7U Active CN207070335U (en) | 2017-06-29 | 2017-06-29 | Loudspeaker monomer and loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207070335U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418256A (en) * | 2018-04-27 | 2019-11-05 | 歌尔股份有限公司 | Sounding device monomer, sounding module and electric terminal |
| CN115460523A (en) * | 2022-10-31 | 2022-12-09 | 歌尔股份有限公司 | Sound production device and electronic equipment |
-
2017
- 2017-06-29 CN CN201720778268.7U patent/CN207070335U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418256A (en) * | 2018-04-27 | 2019-11-05 | 歌尔股份有限公司 | Sounding device monomer, sounding module and electric terminal |
| CN110418256B (en) * | 2018-04-27 | 2022-03-11 | 歌尔股份有限公司 | Sound production device monomer, sound production module and electronic terminal |
| CN115460523A (en) * | 2022-10-31 | 2022-12-09 | 歌尔股份有限公司 | Sound production device and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209283487U (en) | Two-sided microphone device and electronic product | |
| CN205622865U (en) | Speaker monomer and speaker module | |
| CN104869508A (en) | Electroacoustic conversion device | |
| WO2022068081A1 (en) | Sound generator, and electronic product comprising same | |
| CN105828257A (en) | Loudspeaker | |
| CN207070335U (en) | Loudspeaker monomer and loudspeaker module | |
| CN114125669B (en) | Sound generating device and electronic equipment | |
| CN104581579A (en) | Improved small-size receiver | |
| CN110337053A (en) | A kind of Ultrathin speaker | |
| CN207124750U (en) | Loudspeaker monomer, loudspeaker module and electronic equipment | |
| CN205987359U (en) | Mini loudspeaker | |
| CN207505133U (en) | Loud speaker module and the electronic equipment using the loud speaker module | |
| CN205510396U (en) | Vibrating diaphragm and voice coil loudspeaker voice coil subassembly | |
| CN107529115B (en) | Tesla magnetic group loudspeaker | |
| CN207070339U (en) | A kind of sound-producing device | |
| CN109788405A (en) | A kind of sounding device and assemble method | |
| CN205510378U (en) | Speaker monomer and speaker module | |
| CN220965136U (en) | A miniature speaker | |
| WO2021103527A1 (en) | Vibration exciter for electronic product and electronic product | |
| CN209526870U (en) | Loudspeaker and earphone | |
| CN204652640U (en) | A kind of electro-acoustic conversion device | |
| CN218830618U (en) | Sound production unit and speaker | |
| CN106101964A (en) | A kind of Microspeaker | |
| WO2019015069A1 (en) | Loudspeaker | |
| CN110912369A (en) | Electronic product and electronic product assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |