CN207304900U - Electroacoustic transducer - Google Patents
Electroacoustic transducer Download PDFInfo
- Publication number
- CN207304900U CN207304900U CN201720930277.3U CN201720930277U CN207304900U CN 207304900 U CN207304900 U CN 207304900U CN 201720930277 U CN201720930277 U CN 201720930277U CN 207304900 U CN207304900 U CN 207304900U
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- electroacoustic transducer
- suspension member
- voice coil
- auxiliary suspension
- auxiliary
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Abstract
The utility model embodiment provides a kind of electroacoustic transducer.Wherein, which is rectangle, including fixed component and vibrational system, and the vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, and the vibrating diaphragm includes central part and is incorporated into around the ring portion that the central part is set, the voice coil loudspeaker voice coil on the central part；Electroacoustic transducer further includes at least one auxiliary suspension member；The auxiliary suspension member is arranged between the vibrational system and the fixed component；The auxiliary suspension member includes deformations, the first connecting portion positioned at the deformations outer end and the second connecting portion positioned at deformations the inner；The deformations are opposite with the ring portion of the vibrating diaphragm；And all auxiliary suspension members are arranged relative at least one center line of electroacoustic transducer in unsymmetric structure.The technical solution that the utility model embodiment provides, helps to improve bad vibration state, such as polarizes, tiltedly shakes, uneven, shake, and then improve the listening quality of electroacoustic transducer up and down, moreover it is possible to effectively extending its service life.
Description
Technical field
It the utility model is related to electroacoustic techniques field, more particularly to a kind of electroacoustic transducer.
Background technology
In present electroacoustic transducer, such as loudspeaker, usually there are some can cause vibrational system to vibrate undesirable factor,
Such as the effect of pullling of the one side of hanging lead, asymmetrical magnetic Circuit Design, unbalanced leakage pore size distribution, the cavity of modular structure
Interference in air flow etc., can cause polarization, tiltedly shake (amplitude big side amplitude in side is small), upper and lower amplitude is asymmetric, shake etc. is bad
Vibrational state.Simultaneously as the acoustical behavior and lower f0, relatively thin vibrating diaphragm of pursuit higher are often employed, and by this
The loudspeaker suspension system that relatively thin vibrating diaphragm is formed, its intensity is weaker, is not enough to correct the foregoing undesirable generation of vibration, makes loudspeaker
There are the hidden danger such as noise, broken string, service life reduction.
Utility model content
The utility model embodiment provides a kind of electroacoustic transducer, to improve the bad vibration of vibrating diaphragm.
In one embodiment of the utility model, there is provided a kind of electroacoustic transducer.The electroacoustic transducer is rectangle, its
Including fixed component and vibrational system, the vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil, and the vibrating diaphragm includes central part and around institute
The ring portion of central part setting is stated, the voice coil loudspeaker voice coil is incorporated on the central part.The electroacoustic transducer further includes at least one
Aid in suspension member；Wherein, the auxiliary suspension member is arranged between the vibrational system and the fixed component；It is described auxiliary
Suspension member is helped to include deformations, the first connecting portion positioned at the deformations outer end and second positioned at deformations the inner
Connecting portion；The deformations are opposite with the ring portion of the vibrating diaphragm；And all auxiliary suspension members are relative to electroacoustic
At least one center line of converter is arranged in unsymmetric structure.
Alternatively, the deformations are the arch suspending part being connected between first connecting portion and second connecting portion.
Alternatively, the arch suspending part is equipped with reinforcing rib；And/or sprayed on the shaped interior side of the arch suspending part
Damping paint or glue；And/or the arch suspending part is equipped with the conductive layer for being used for connecting voice coil leads and external circuit.
Alternatively, the reinforcing rib can be multiple.
Alternatively, the electroacoustic transducer may also include：
The auxiliary suspension member is bonded setting with the vibrating diaphragm, and the auxiliary suspension member is located at the top of vibrating diaphragm
Or the lower section of vibrating diaphragm, first connecting portion are fixed in the fixed component；
Or the auxiliary suspension member is arranged between the lower part of the voice coil loudspeaker voice coil and the fixed component.
Alternatively, the auxiliary suspension member is arranged on edge position and/or the corner location of the electroacoustic transducer.
Alternatively, the auxiliary suspension member is arranged on the position of the leading point of the remote voice coil leads of the electroacoustic transducer
Or it is provided close to the position of the leak of electroacoustic transducer.
Alternatively, the voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil body and two voice coil leads being connected with the voice coil loudspeaker voice coil body, the sound
Enclose body include two opposite first while and it is two opposite second while, the voice coil leads are respectively from two of the voice coil loudspeaker voice coil body
Described first while first end draw or first end during from two described first corresponding to corner location draw；
The auxiliary suspention portion is equipped with one, and the auxiliary suspension member is arranged on remote two institutes of the electroacoustic transducer
State first while first end described second while on；Alternatively,
The auxiliary suspension member is equipped with two, and described two auxiliary suspension members are respectively arranged on the electroacoustic transducer
The second end on two first sides；Alternatively,
The auxiliary suspension member is equipped with two, and described two auxiliary suspension members are respectively arranged on the electroacoustic transducer
The corresponding corner location of second end on two first sides.
Alternatively, the first connecting portion of at least one auxiliary suspension member is interconnected to form first annular
Part, the second connecting portion of at least one auxiliary suspension member are interconnected to form the second annular element；Second ring
Shape part is in the first annular part.
Alternatively, the length of the first connecting portion and/or the second connecting portion is more than the arch suspending part in length
Spend the size on direction.
The utility model embodiment provide technical solution, using one or more independently of conventional suspension system outside
Suspension member is aided in, which is arranged between vibrational system and the fixed component of electroacoustic transducer, auxiliary suspention
The deformations of the component auxiliary suspension member opposite and all with the ring portion of vibrating diaphragm is relative at least one of electroacoustic transducer
Center line is in unsymmetric structure, helps to improve bad vibration state, such as polarizes, tiltedly shakes, uneven, shake up and down, and then
Improve the listening quality of electroacoustic transducer, moreover it is possible to effectively extend its service life.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 shows the structure diagram for the electroacoustic transducer that the utility model embodiment provides；
Fig. 2 shows a kind of knot realized that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
Structure schematic diagram；
Fig. 3 is the top view of Fig. 1；
Fig. 4 shows a kind of plan of establishment that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
Schematic diagram；
Fig. 5 is the A of Fig. 4 to cross section view；
Fig. 6 shows another setting side that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of case；
Fig. 7 shows another setting side that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of case；
Fig. 8 shows another setting side that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of case；
Fig. 9 shows another setting side that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of case；
Figure 10, which is shown, aids in a kind of of suspension member to realize knot in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of structure；
Figure 11 shows another realization that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of structure；
Figure 12 shows another realization that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of structure；
Figure 13, which is shown, aids in a kind of of suspension member to set position in the electroacoustic transducer that the utility model embodiment provides
The structure diagram put；
Figure 14 shows another setting that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The structure diagram of position；
Figure 15 shows another realization that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of structure；
Figure 16 shows another realization that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of structure；
Figure 17 shows another realization that suspension member is aided in the electroacoustic transducer that the utility model embodiment provides
The schematic diagram of structure.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those skilled in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The structure diagram of Fig. 1, the electroacoustic transducer provided Fig. 2 and Fig. 3 show one embodiment of the utility model.Such as figure
Shown in 1 and 2, electroacoustic transducer provided in this embodiment is rectangle.Electroacoustic transducer includes：Fixed component 7 and vibrational system.Its
In, vibrational system includes vibrating diaphragm 1 and voice coil loudspeaker voice coil 3；Vibrating diaphragm 1 includes central part 11 and around the ring portion 12 that central part 11 is set；Sound
Circle 3 is incorporated on central part 11.As shown in Figure 1, electroacoustic transducer further includes at least one auxiliary suspension member 2；Auxiliary suspention
Component 2 is arranged between vibrational system and fixed component 7；Suspension member 2 is aided in include deformations 21, positioned at 21 outer end of deformations
First connecting portion 22 and positioned at the inner second connecting portion 23 of deformations 21；Deformations 21 are opposite with the ring portion 12 of vibrating diaphragm 1,
And all auxiliary suspension members 2 are relative at least one center line (the first center line 81 shown in Fig. 3 of electroacoustic transducer
With the second center line 82) arranged in unsymmetric structure.
Further, suspension member 2 is aided in be arranged on edge position and/or the corner location of electroacoustic transducer, such as Fig. 3~figure
Shown in 9.
For example, when electroacoustic transducer includes an auxiliary suspension member 2, unilateral assembly method can be used to set (as schemed
3rd, shown in Fig. 4 and Fig. 6).When electroacoustic transducer includes two or more auxiliary suspension members 2, combination assembling can be used
Mode is configured (as shown in Figure 7, Figure 8 and Figure 9).Unilateral assembly method is by aiding in the tractive force of suspension member to shake to balance
The stress of dynamic system, so as to correct bad vibration state.Combine assembly method for more complicated bad vibration combine two kinds or
A variety of assembly methods, such as major and minor axis side combination assembling, shaft angle combination assembling, are led by the synthesis of multiple auxiliary suspension members
Gravitation carrys out the stress of balance vibration system, so as to correct bad vibration state.Specifically, unilateral assembly method can be found in Fig. 3, figure
4 and Fig. 6.As shown in figure 3, auxiliary suspension member 2 is arranged on the short axle side of rectangle electroacoustic transducer, relative to electroacoustic transducer
Short-axis direction on center line i.e. the second center line 82 in unsymmetric structure arrange；As shown in figure 4, auxiliary suspension member 2 is set
Put on the major axis side of rectangle electroacoustic transducer, relative to the center line on the long axis direction of electroacoustic transducer i.e. the first center line
81 arrange in unsymmetric structure；As shown in fig. 6, auxiliary suspension member 2 is arranged on a corner of rectangle electroacoustic transducer, phase
It is asymmetric for the first center line 81 and the second center line 82.Combination assembly method can be found in Fig. 7~Fig. 9.As shown in fig. 7,
The major axis of rectangle electroacoustic transducer while and during short axle on be equipped with auxiliary suspension member 2, relative to the first center line 81 and second
Center line 82 is asymmetric；As shown in figure 8, the major axis of rectangle electroacoustic transducer in, short axle and corner to be equipped with auxiliary outstanding
Hanging part part 2, it is asymmetric relative to the first center line 81 and the second center line 82.As shown in figure 9, two auxiliary suspension members 2
It is separately positioned on two opposite short axle sides of rectangle electroacoustic transducer, the auxiliary suspension member positioned at left side, which will be longer than, to be located at
The auxiliary suspension member on right side, is arranged relative to the second center line 82 in unsymmetric structure.Here part combination dress is only listed
The mode matched somebody with somebody, can also have other to combine assembly method, such as combination assembly method, turning and the major axis at turning and short axle side except above-mentioned
The combination assembly method on side etc., the utility model embodiment is not especially limited this.
Technical solution provided in this embodiment, suspends in midair using one or more independently of the auxiliary outside conventional suspension system
Component, the auxiliary suspension member are arranged between vibrational system and the fixed component of electroacoustic transducer, aid in the shape of suspension member
The change portion auxiliary suspension member opposite and all with the ring portion of vibrating diaphragm be in relative at least one center line of electroacoustic transducer
Unsymmetric structure, helps to improve bad vibration state, such as polarizes, tiltedly shakes, uneven, shake, and then improve electroacoustic up and down
The listening quality of converter, moreover it is possible to effectively extend its service life.
Explanation is needed exist for, fixation portions part 7 can be the shell of electroacoustic transducer or electroacoustic is changed
Magnetic circuit component in device.
Further, as shown in Fig. 2, above-mentioned deformations 21 are to be connected between first connecting portion 22 and second connecting portion 23
Arch suspending part.Alternatively, deformations are the cantilever portion of bending.
Further, as shown in Figure 10, reinforcing rib 4 can be also equipped with arch suspending part 21, wherein reinforcing rib 4 can be
Multiple, any two reinforcing rib 4 in multiple reinforcing ribs 4 is arranged in a crossed manner；And/or the arch of arch suspending part 21 as shown in figure 11
Damping paint or glue 5 are sprayed on inner side；And/or arch suspending part 21 is equipped with conductive layer 6 as shown in figure 12.Arch suspending part
21 when being equipped with conductive layer 6, can set welding section in the first connecting portion 22 and second connecting portion 23 of auxiliary suspension member 2 respectively
Domain 61.
The stiffness point of auxiliary suspension member can be changed by carrying out the different types of design of reinforcing rib 4 in arch suspending part 21
Cloth；Damping and amortization coating or glue 5 are sprayed on arch suspending part 21, its damping characteristic can be strengthened；Set on arch suspending part 21
The conductive layers such as layers of copper, graphite material are put, and are welded by the technologies such as laser welding and voice coil leads, realize that auxiliary conducting is made
With；Distinguishingly, when using assembly method is combined, it can be directed to each auxiliary suspension member is separately or concurrently more than use special and set
Meter, or the auxiliary suspension member of diverse location use different material and shape, by optimizing the thin of each auxiliary suspension member
Characteristic Design is saved, preferably corrects the working status of product.
In the specific implementation, the material of the auxiliary suspension member involved in above-described embodiment can be polyether-ether-ketone
(polyetheretherketone, abbreviation PEEK), polyethylene terephthalate (Polyethylene
Terephthalate, abbreviation PET), polyethylene naphthalate (PEN), (polyimides) PI, polyurethanes (PU),
The composite material of the monolayer materials such as silica gel and its composition.
In a kind of achievable technical solution, auxiliary suspension member 2 is bonded setting with vibrating diaphragm 1, and aids in suspention portion
Part 2 is located at the top (not shown) of vibrating diaphragm 1 or the lower section (as shown in Figure 1 and Figure 5) of vibrating diaphragm 1, and first connecting portion 22 is solid
Due in fixed component 7.Alternatively, as shown in Figure 13 and Figure 14, auxiliary suspension member 2 is arranged on lower part and the fixed part of voice coil loudspeaker voice coil 3
Between part 7.Figure 13 shows the schematic diagram of auxiliary 2 unilateral setting of suspension member；Figure 14 shows auxiliary, and suspension member 2 is bilateral sets
The schematic diagram put.
Further, aid in suspension member 2 be arranged on electroacoustic transducer 3 lead of remote voice coil loudspeaker voice coil leading point position or
It is provided close to the position of the leak of electroacoustic transducer；Alternatively, the auxiliary suspension member is respectively arranged on away from the leading point
Position and close to the position of the leading point, and the length of the auxiliary suspension member away from the leading point position is more than leaning on
The length of the auxiliary suspension member of the nearly leading point position；The auxiliary suspension member is respectively arranged on close to the leak
Position and the position away from the leak, and the length of suspension member is aided in more than remote close to the leakage hole site
The length of the auxiliary suspension member of the leakage hole site.
Specifically, as shown in figure 3, voice coil loudspeaker voice coil 3 includes voice coil loudspeaker voice coil body and two voice coil leads 34 being connected with voice coil loudspeaker voice coil body, sound
Enclose body include two opposite first while 31 and it is two opposite second while 32, voice coil leads 34 are respectively from two of voice coil loudspeaker voice coil body the
Corner location corresponding to 31 first end extraction on one side or the first end from two the first sides 31 is drawn；Correspondingly,
With reference to shown in Fig. 3, auxiliary suspention portion 2 is equipped with one, and it is remote that auxiliary suspension member 2 is arranged on corresponding to for electroacoustic transducer
From two first in the second of 31 first end 32 position；Alternatively,
Aid in suspension member 2 be equipped with two, two auxiliary suspension members 2 be respectively arranged on electroacoustic transducer correspond to two
The position (not shown) of the second end on the first side 31；Alternatively,
Aid in suspension member 2 be equipped with two, two auxiliary suspension members 2 be respectively arranged on electroacoustic transducer correspond to two
The corresponding corner location of second end (not shown) on the first side 31；Alternatively,
With reference to shown in Fig. 9, auxiliary suspension member 2 is equipped with two, and two auxiliary suspension members 2 are respectively arranged on electroacoustic transducer
The position for corresponding to two the second sides 32, also, the and auxiliary suspension member of the first end position away from the first side 31
Length is more than the length of the auxiliary suspension member of the first end position close to the first side 31.
Further, as shown in figs, 22 phase of the first connecting portion interconnection of at least one auxiliary suspension member 2
Connect to form first annular part, the second connecting portion 23 of at least one auxiliary suspension member 2 is interconnected to form the second annular element；The
Second ring part 23 is in first annular part 21.Two connecting portions are arranged to annular element by the present embodiment, are bonded beneficial to assembling.
The a kind of of described two connecting portions 22 and 23 realizes structure as shown in Fig. 2, the length of described two connecting portions 22 and 23
Degree is equal to the size of arch suspending part 21 in the longitudinal direction.In order to improve bonding fastness, as shown in figure 17, first connecting portion
22 and/or the length of second connecting portion 23 be more than the size of arch suspending part 21 in the longitudinal direction.Alternatively, first connecting portion 22
And/or second connecting portion 23 is equal to the size of the arch suspending part 21 in the longitudinal direction, and from first connecting portion 22 and/or
Second connecting portion 23, which is risen along the direction away from the arch suspending part 21, extends extension 231 (as shown in figure 17).Alternatively, ginseng
As shown in Figure 17, the length of first connecting portion 22 is more than the size of arch suspending part 21 in the longitudinal direction, second connecting portion 23
Length be equal to the size of arch suspending part 21 in the longitudinal direction, and away from arch suspending part 21 from second connecting portion 23
Extend extension 231 in direction.
Need exist for supplement be：The arch suspending part of auxiliary suspension member and the shape of two connecting portions can be according to productions
The structure and process requirements of product are designed, and change the size of auxiliary suspension member on demand；In application mode is assembled in combination,
The adhesive portion of multiple auxiliary suspension members can also be connected, be designed as an entirety and assembled, to simplify assembly technology.
Need exist for explanation be：The arch protrusion direction of arch suspending part provided in this embodiment can be with vibrating diaphragm ring portion
Protrusion direction it is opposite (as shown in Fig. 1,5,13), also can be identical (as shown in figure 14).
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It can still modify the technical solution described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (10)
1. a kind of electroacoustic transducer, the electroacoustic transducer is rectangle, including fixed component and vibrational system, the vibrational system
Including vibrating diaphragm and voice coil loudspeaker voice coil, the vibrating diaphragm includes central part and is incorporated into around the ring portion that the central part is set, the voice coil loudspeaker voice coil
On the central part, it is characterised in that further include at least one auxiliary suspension member；Wherein,
The auxiliary suspension member is arranged between the vibrational system and the fixed component；
The auxiliary suspension member includes deformations, the first connecting portion positioned at the deformations outer end and positioned at the deformations
Inner second connecting portion；
The deformations are opposite with the ring portion of the vibrating diaphragm；
And all auxiliary suspension members are in unsymmetric structure cloth relative at least one center line of electroacoustic transducer
Put.
2. electroacoustic transducer according to claim 1, it is characterised in that the deformations for be connected to first connecting portion and
Arch suspending part between second connecting portion.
3. electroacoustic transducer according to claim 2, it is characterised in that the arch suspending part is equipped with reinforcing rib；With/
Or damping paint or glue are sprayed on the shaped interior side of the arch suspending part；And/or the arch suspending part is equipped with and is used for
Connect the conductive layer of voice coil leads and external circuit.
4. electroacoustic transducer according to claim 3, it is characterised in that the reinforcing rib is multiple.
5. electroacoustic transducer according to any one of claims 1 to 4, it is characterised in that further include：
The auxiliary suspension member is bonded setting with the vibrating diaphragm, and the top for aiding in suspension member to be located at vibrating diaphragm or
The lower section of vibrating diaphragm, first connecting portion are fixed in the fixed component；
Or the auxiliary suspension member is arranged between the lower part of the voice coil loudspeaker voice coil and the fixed component.
6. electroacoustic transducer according to any one of claims 1 to 4, it is characterised in that the auxiliary suspension member is arranged on
The edge position of the electroacoustic transducer and/or corner location.
7. Claims 1-4 any one of them electroacoustic transducer, it is characterised in that the auxiliary suspension member is arranged on
The position of the leading point of the remote voice coil leads of the electroacoustic transducer or be provided close to electroacoustic transducer leak position
Put；
Alternatively, the auxiliary suspension member is respectively arranged on the position of position and the close leading point away from the leading point,
And the length of the auxiliary suspension member away from the leading point position is more than close to the auxiliary suspention portion of the leading point position
The length of part；
Alternatively, the auxiliary suspension member is respectively arranged on close to the position of the leak and the position away from the leak,
And the length of the auxiliary suspension member close to the leakage hole site is more than the auxiliary suspention portion away from the leakage hole site
The length of part.
8. electroacoustic transducer according to claim 7, it is characterised in that the voice coil loudspeaker voice coil include voice coil loudspeaker voice coil body and with the sound
Enclose body connection two voice coil leads, the voice coil loudspeaker voice coil body include two opposite first while and it is two opposite second while, it is described
Voice coil leads respectively from two described first of the voice coil loudspeaker voice coil body while first end draw or during from two described first
Corner location corresponding to first end is drawn；
The auxiliary suspention portion is equipped with one, and the auxiliary suspension member corresponds to away from two arranged on the electroacoustic transducer
Described first while first end described second while position；Alternatively,
The auxiliary suspension member is equipped with two, and described two auxiliary suspension members are respectively arranged on the correspondence of the electroacoustic transducer
In the position of the second end on two first sides；Alternatively,
The auxiliary suspension member is equipped with two, and described two auxiliary suspension members are respectively arranged on the correspondence of the electroacoustic transducer
The corresponding corner location of second end in two first sides；Alternatively,
The auxiliary suspension member is equipped with two, and described two auxiliary suspension members are respectively arranged on the correspondence of the electroacoustic transducer
In the position on two the second sides, also, and away from first side the first end position auxiliary suspension member length it is big
In the length of the auxiliary suspension member of the first end position close to first side.
9. electroacoustic transducer according to any one of claims 1 to 4, it is characterised in that at least one auxiliary suspention
The first connecting portion of component is interconnected to form first annular part, and described the second of at least one auxiliary suspension member
Connecting portion is interconnected to form the second annular element；Second annular element is in the first annular part.
10. according to claim 2 to 4 any one of them electroacoustic transducer, it is characterised in that the first connecting portion and/or
The length of the second connecting portion is more than the size of the arch suspending part in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930277.3U CN207304900U (en) | 2017-07-28 | 2017-07-28 | Electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720930277.3U CN207304900U (en) | 2017-07-28 | 2017-07-28 | Electroacoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207304900U true CN207304900U (en) | 2018-05-01 |
Family
ID=62447905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720930277.3U Active CN207304900U (en) | 2017-07-28 | 2017-07-28 | Electroacoustic transducer |
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| Country | Link |
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| CN (1) | CN207304900U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020057010A1 (en) * | 2018-09-21 | 2020-03-26 | 歌尔股份有限公司 | Speaker apparatus and electronic device |
| WO2020057011A1 (en) * | 2018-09-21 | 2020-03-26 | 歌尔股份有限公司 | Sounding apparatus and electronic device |
| WO2021036128A1 (en) * | 2019-08-31 | 2021-03-04 | 歌尔股份有限公司 | Sound production device and assembling method therefor |
-
2017
- 2017-07-28 CN CN201720930277.3U patent/CN207304900U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020057010A1 (en) * | 2018-09-21 | 2020-03-26 | 歌尔股份有限公司 | Speaker apparatus and electronic device |
| WO2020057011A1 (en) * | 2018-09-21 | 2020-03-26 | 歌尔股份有限公司 | Sounding apparatus and electronic device |
| WO2021036128A1 (en) * | 2019-08-31 | 2021-03-04 | 歌尔股份有限公司 | Sound production device and assembling method therefor |
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