CN209017232U - Loudspeaker mould group and electronic equipment - Google Patents
Loudspeaker mould group and electronic equipment Download PDFInfo
- Publication number
- CN209017232U CN209017232U CN201821998353.5U CN201821998353U CN209017232U CN 209017232 U CN209017232 U CN 209017232U CN 201821998353 U CN201821998353 U CN 201821998353U CN 209017232 U CN209017232 U CN 209017232U
- Authority
- CN
- China
- Prior art keywords
- operatic tunes
- loudspeaker
- shell
- mould group
- ring portion
- 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.)
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- 238000007789 sealing Methods 0.000 claims abstract description 62
- 239000000178 monomer Substances 0.000 claims abstract description 50
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive Effects 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical group 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- 238000000034 method Methods 0.000 description 1
Abstract
The utility model discloses a kind of loudspeaker mould group and electronic equipment, loudspeaker mould group includes loudspeaker monomer and the shell for accommodating the loudspeaker monomer, the shell is equipped with acoustic aperture, the shell is divided into the preceding operatic tunes and the rear operatic tunes by the loudspeaker monomer, the preceding operatic tunes is connected to the acoustic aperture out, the shell has the side wall towards the vibrating diaphragm of the loudspeaker monomer, the preceding operatic tunes and the rear operatic tunes run through the side wall setting and are in open-like shape, and the open periphery of the open periphery of the preceding operatic tunes and the rear operatic tunes is combined with electronic equipment sealing respectively.Technical solutions of the utility model can be realized the reduction of loudspeaker mould group thickness.
Description
Technical field
The utility model relates to sound energy switch technology field, in particular to a kind of loudspeaker mould group and electronic equipment.
Background technique
Nowadays, requirement of the consumer to portable electronic device is increasingly thinned, wherein the group conduct of loudspeaker mould can be sent out
One important acoustic element of the electronic equipment of sound, thickness are severely restricted, to meet the slimming of electronic equipment
Demand.
In order to realize the sealing of the preceding operatic tunes, a steel disc, and steel usually are set in the opening lid of the preceding operatic tunes of loudspeaker mould group
Piece is protruded to be arranged outside upper casing.Since the increase of steel disc accounts for complete machine so that the whole height of loudspeaker mould group becomes larger
It is larger with space, it is unfavorable for product slimming development.
Utility model content
The main purpose of the utility model is to propose a kind of loudspeaker mould group, it is intended to realize subtracting for loudspeaker mould group thickness
It is small.
To achieve the above object, the utility model proposes loudspeaker mould group, including loudspeaker monomer and receiving described in raise
The shell of sound device monomer, the shell are equipped with acoustic aperture, and the shell is divided into the preceding operatic tunes with after by the loudspeaker monomer
The operatic tunes, the preceding operatic tunes are connected to the acoustic aperture out, and the shell has the side wall towards the vibrating diaphragm of the loudspeaker monomer, institute
The operatic tunes and the rear operatic tunes run through the side wall setting and are in open-like shape before stating, and the open periphery of the preceding operatic tunes and institute
The open periphery for stating the rear operatic tunes is combined with electronic equipment sealing respectively.
Optionally, the shell includes upper casing and lower casing, and the upper casing and the lower casing are in conjunction with the formation receiving loudspeaking
The space of device monomer, the loudspeaker monomer and the upper casing surround the preceding operatic tunes jointly, the loudspeaker monomer, it is described under
Shell and the upper casing are enclosed the rear operatic tunes jointly, and the preceding operatic tunes and the rear operatic tunes run through the upper casing.
Optionally, the upper casing includes internal ring portion and the outer portion that is looped around outside the internal ring portion, the internal ring portion and institute
Outer portion interconnection is stated, the lower cover is closed in wherein one end of the outer portion, the opening that the internal ring portion is enclosed
The opening for constituting the preceding operatic tunes, the interval between the internal ring portion and the outer portion constitute the opening of the rear operatic tunes；
The internal ring portion away from the lower casing surface, with the flush away from the lower casing of the outer portion.
Optionally, the upper casing, which is equipped with, seals the sealing element that is combined with the electronic equipment, and the sealing element includes the
One sealing ring portion and the second sealing ring portion, the first sealing ring portion are arranged around the open periphery of the preceding operatic tunes, and described the
Two sealing ring portions are arranged around the open periphery of the rear operatic tunes, and the first sealing ring portion and the second sealing ring portion phase
It connects.
Optionally, the sealing element is any one in foam, sponge, double-sided adhesive, glue, rubber ring or silica gel ring.
Optionally, the shell integrated injection molding of the upper casing and the electronic equipment.
Optionally, the lower casing is equipped with through-hole, and the loudspeaker monomer protrudes into the through-hole, and the hole with the through-hole
Edge sealing combines.
Optionally, the loudspeaker monomer is Nian Jie with the peritreme of the through-hole.
Optionally, on the lower casing and the corresponding loudspeaker monomer is equipped with through-hole, the shell further includes that sealing cover closes
The seal cover board of the through-hole.
The utility model also proposes a kind of electronic equipment, including shell and loudspeaker mould group, the loudspeaker mould group packet
It includes loudspeaker monomer and accommodates the shell of the loudspeaker monomer, the shell is equipped with acoustic aperture, and the loudspeaker monomer will
The shell is divided into the preceding operatic tunes and the rear operatic tunes, and the preceding operatic tunes is connected to the acoustic aperture out, and the shell has described in
The side wall of the vibrating diaphragm of loudspeaker monomer, the preceding operatic tunes and the rear operatic tunes run through the side wall setting and are in open-like shape, institute
The open periphery of the open periphery and the rear operatic tunes of stating the preceding operatic tunes of loudspeaker mould group is combined with shell sealing respectively.
In the utility model, since the preceding operatic tunes is open setting at the vibrating diaphragm of corresponding loudspeaker monomer, and the opening
Periphery be that combination is directly sealed with complete machine, by complete machine come the opening of the Gai Heqian operatic tunes, therefore in the opening of the preceding operatic tunes
Place does not need again the plate bodys such as one steel disc of additional to seal, and the reduction of the steel sheet structure enables to the entirety of loudspeaker mould group
Height reduces, then loudspeaker mould group is less to the occupancy in complete machine space, is conducive to complete machine and realizes slimming.In addition, if the rear operatic tunes
Open direction and the preceding operatic tunes opening it is contrary, then be equipped with sealing element in two opposing sidewalls of shell, complete machine
Height needs while adding the height of two sealing elements, so that complete machine height is larger.However, due in the utility model
The preceding operatic tunes and the rear operatic tunes are through the same side setting of shell, i.e., the opening of the preceding operatic tunes and the open of the rear operatic tunes are arranged in shell
The same side wall on, because sealing element and the rear operatic tunes before this between the open periphery and complete machine of the operatic tunes open periphery with
Sealing element between complete machine is arranged on the same side wall of shell, and the height between the two sealing element is not the pass of superposition
System, the height of complete machine only need the height plus one of sealing element, can so substantially reduce the whole height of complete machine,
It similarly serves to favor complete machine and realizes slimming.
Detailed description of the invention
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, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model loudspeaker mould group；
Fig. 2 is the assembling schematic diagram of loudspeaker mould group and complete machine in Fig. 1；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the decomposition diagram of loudspeaker mould group and complete machine in Fig. 2；
Fig. 5 is the structural schematic diagram of loudspeaker mould group from another viewpoint in Fig. 1.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 10 | Shell | 103 | The operatic tunes afterwards |
| 11 | Upper casing | 104/105 | It is open |
| 111 | Internal ring portion | 20 | Loudspeaker monomer |
| 112 | Outer portion | 30 | Sealing element |
| 12 | Lower casing | 31 | First sealing ring portion |
| 121 | Through-hole | 32 | Second sealing ring portion |
| 101 | Acoustic aperture out | 40 | Shell |
| 102 | The preceding operatic tunes |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of loudspeaker mould groups.
Referring to FIG. 1, loudspeaker mould group includes shell 10 and loudspeaker monomer 20, accommodating chamber is formed in shell 10, and
Shell 10 is equipped with acoustic aperture 101, and loudspeaker monomer 20 is set in accommodating chamber, and by accommodating chamber before be set as the operatic tunes 102 and after
The operatic tunes 103, acoustic aperture 101 is connected to the preceding operatic tunes 102 out.In the present embodiment, loudspeaker monomer 20 includes vibrational system and magnetic circuit system
System, vibrational system include vibrating diaphragm and the voice coil for being fixed on vibrating diaphragm side, and vibrating diaphragm includes central part, around the folding of central part setting
Ring portion and the fixed part being arranged around ring portion, vibrating diaphragm can also include the composite layer for being incorporated into central part.Loudspeaker monomer
20 may also include auxiliary system, and auxiliary system includes shell, and shell is for accommodating fixed vibrational system and magnetic circuit system.In addition,
Auxiliary system may also include front cover, and front cover is incorporated into the top of shell, and front cover and shell enclose the protecting frame of loudspeaker monomer
Frame.Magnetic circuit system includes the conductive magnetic yoke fixed with shell, and conductive magnetic yoke is equipped with internal magnetic circuit part and exterior portion, between the two
Form the magnetic gap for accommodating voice coil.Wherein, in a kind of situation, internal magnetic circuit part includes set on the center of the central location of conductive magnetic yoke
Magnet and the center magnetic conductive board on centring magnet, exterior portion include set on conductive magnetic yoke marginal position side magnet and
Set on the while magnetic conductive board on magnet.
Further, shell 10 has the side wall towards the vibrating diaphragm of loudspeaker monomer 20, the preceding operatic tunes 102 and the rear operatic tunes 103
It is arranged through side wall and is in open-like shape, the opening 105 of the opening 104 and the rear operatic tunes 103 that are equivalent to the preceding operatic tunes 102 is provided with
The same side of shell 10, and 105 periphery of opening of 104 periphery of opening of the preceding operatic tunes 102 and the rear operatic tunes 103 respectively with electronics
Equipment sealing combines.For more convenient description, in the utility model with vibrating diaphragm be towards the side where the preceding operatic tunes 102 it is upper, with
The side away from preceding 102 place of the operatic tunes of vibrating diaphragm is illustrated under being.In the present embodiment, the preceding operatic tunes 102 and the equal court of the rear operatic tunes 103
It is upper to be arranged through shell 10.In addition, the loudspeaker mould group is laterally to go out acoustic form, i.e., acoustic aperture 101 is arranged in the one of shell 10 out
Side, the sound that loudspeaker monomer 20 issues are radiated the external world by going out acoustic aperture 101.Incorporated by reference to referring to figs. 2 to Fig. 4, electronic equipment
Including shell 40,104 periphery of opening of the preceding operatic tunes 102 and 105 periphery of opening of the rear operatic tunes 103 are sealed respectively with shell 40 and are tied
It closes.Certainly, 105 periphery of opening of 104 periphery of opening of the preceding operatic tunes 102 and the rear operatic tunes 103 can also respectively with other portions of complete machine
Part seals against.
In the utility model, since the preceding operatic tunes 102 is open setting at the vibrating diaphragm of corresponding loudspeaker monomer 20, and should
Open periphery is that combination is directly sealed with complete machine, by complete machine come the opening 104 of the Gai Heqian operatic tunes 102, therefore preceding
The plate bodys such as one steel disc of additional are not needed again at the opening 104 of the operatic tunes 102 to seal, the reduction of the steel sheet structure enables to
The whole height of loudspeaker mould group reduces, then loudspeaker mould group is less to the occupancy in complete machine space, and it is slim to be conducive to complete machine realization
Change.In addition, if 105 direction of opening of the rear operatic tunes 103 is contrary with the opening 104 of the preceding operatic tunes 102, at two of shell 10
Sealing element 30 is equipped in opposing sidewalls, the height of complete machine needs while adding the height of two sealing elements 30, so that whole
Machine height is larger.However, due in the utility model the preceding operatic tunes 102 and the rear operatic tunes 103 be through the same side of shell 10 and set
It sets, i.e., the opening 104 of the preceding operatic tunes 102 and the opening 105 of the rear operatic tunes 103 are arranged on the same side wall of shell 10, therefore
Between 105 periphery of opening and complete machine of sealing element between 104 periphery of opening and complete machine of the preceding operatic tunes 102 and the rear operatic tunes 103
Sealing element be to be arranged on the same side wall of shell 10, the height between the two sealing element be not superposition relationship, complete machine
Height only need the height plus one of sealing element, can so substantially reduce the whole height of complete machine, same benefit
It realizes and is thinned in complete machine.
In the present embodiment, shell 10 includes upper casing 11 and lower casing 12, and upper casing 11 and lower casing 12, which combine to be formed, accommodates fixed raise
The operatic tunes 102 before the space of sound device monomer 20, loudspeaker monomer 20 and upper casing 11 surround jointly, loudspeaker monomer 20,12 and of lower casing
Upper casing 11 is enclosed the rear operatic tunes 103 jointly, and the preceding operatic tunes 102 and the rear operatic tunes 103 run through upper casing 11.In other embodiments,
Shell 10 may also include middle shell.Specifically, referring to Figure 5, upper casing 11 includes internal ring portion 111 and is looped around internal ring portion 111
Outer outer portion 112, internal ring portion 111 and outer portion 112 are connected with each other, and the lid of lower casing 12 is closed in wherein one end of outer portion 112, interior
The opening 104 of the operatic tunes 102, the interval structure between internal ring portion 111 and outer portion 112 before the opening that ring portion 111 is enclosed is constituted
At the opening 105 of the rear operatic tunes 103.To seal against convenient for upper casing 11 with complete machine, optionally, internal ring portion 111 deviates from lower casing 12
Surface, with the flush away from lower casing 12 of outer portion 112, be so equivalent to sealing against with complete machine by upper casing 11
Surface is set as a flat surface, and flat surface can be better achieved to be contacted with the globality of complete machine.In addition, upper casing 11 with
The surface that complete machine seals against can also be stepped surfaces, then can be also configured as stepped surfaces for whole corresponding, or by complete machine and
The Structure adaptation stepped surfaces of sealing element 30 between upper casing 11 deform etc..
In the utility model, the mode that upper casing 11 and complete machine sealing combine have it is a variety of, for example, in some embodiments,
Upper casing 11, which is equipped with, seals the sealing element 30 combined with electronic equipment, and sealing element 30 includes the first sealing ring portion 31 and the second sealing
Ring portion 32, the first sealing ring portion 31 are arranged around 104 periphery of opening of the preceding operatic tunes 102, and the second sealing ring portion 32 is around the rear operatic tunes
103 105 periphery of opening setting, and the first sealing ring portion 31 and the second sealing ring portion 32 are connected with each other.By the way that first is sealed
Ring portion 31 is connected with the second sealing ring portion 32, and the globality of sealing element 30 is more preferable, easier for installation.Optionally, sealing element 30
For any one in foam, sponge, double-sided adhesive, glue, rubber ring or silica gel ring, and sealing element 30 can respectively with complete machine and upper
Shell 11 is adhesively fixed.
In further embodiments, 40 integrated injection molding of shell of upper casing 11 and electronic equipment.By by 11 He of upper casing
The mode of 40 integrated injection molding of shell of complete machine, does not need to be assembled between upper casing 11 and complete machine, therefore can avoid the two
Between there is fit-up gap, therefore do not need sealing element 30 additionally is arranged and be sealed, therefore overall structure can be simplified.
Further, lower casing 12 is equipped with through-hole 121, and loudspeaker monomer 20 protrudes into through-hole 121, and the hole with through-hole 121
Edge sealing combines, optionally, the one end of loudspeaker monomer 20 being emerging in outside through-hole 121 and the flush with outer surface of lower casing 12.If
Loudspeaker monomer 20 is abutted with the inner surface of lower casing 12, then the thickness of loudspeaker mould group includes the thickness of loudspeaker monomer 20
Again plus the thickness of lower casing 12, and in the present embodiment, since loudspeaker monomer 20 partially protrudes into the through-hole 121 of lower casing 12, especially
It is loudspeaker monomer 20 the one end being emerging in outside through-hole 121 and lower casing 12 flush with outer surface when, loudspeaker mould group
Thickness is then the thickness for including loudspeaker monomer 20, without the thickness including lower casing 12, therefore uses the aperture on lower casing 12
Mode can reduce the thickness of loudspeaker mould group, be conducive to realize complete machine slimming.In this embodiment, loudspeaker monomer 20 and logical
The peritreme in hole 121 is bonded, to realize sealing between the two.In addition, can also be without aperture on lower casing 12.
In other embodiments, on lower casing 12 and corresponding loudspeaker monomer 20 is equipped with through-hole 121, shell 10 further includes sealing
Lid closes the seal cover board (not shown go out) of through-hole 121, which is chosen as steel plate, and the structure that can be improved lower casing 12 is strong
Degree.
The utility model also proposes a kind of electronic equipment, which includes loudspeaker mould group as above, due to the electricity
Sub- equipment uses whole technical solutions of above-mentioned all embodiments, therefore at least with the technical solution institute band of above-described embodiment
All beneficial effects come, this is no longer going to repeat them.Specifically, electronic equipment can be earphone, mobile phone etc. being capable of sounding
Equipment.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Under the utility model design of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of loudspeaker mould group, which is characterized in that the shell including loudspeaker monomer and the receiving loudspeaker monomer, it is described
Shell is equipped with acoustic aperture, and the shell is divided into the preceding operatic tunes and the rear operatic tunes, the preceding operatic tunes and institute by the loudspeaker monomer
Acoustic aperture connection is stated out, the shell has the side wall towards the vibrating diaphragm of the loudspeaker monomer, the preceding operatic tunes and the rear sound
Chamber runs through the side wall and is in open-like shape, and the open periphery of the open periphery of the preceding operatic tunes and the rear operatic tunes is divided equally
It is not combined with electronic equipment sealing.
2. loudspeaker mould group as described in claim 1, which is characterized in that the shell includes upper casing and lower casing, the upper casing
Institute is surrounded jointly in conjunction with the space for accommodating the loudspeaker monomer, the loudspeaker monomer and the upper casing is formed with the lower casing
State the preceding operatic tunes, the loudspeaker monomer, the lower casing and the upper casing be enclosed jointly it is described after the operatic tunes, the preceding operatic tunes and
The operatic tunes runs through the upper casing after described.
3. loudspeaker mould group as claimed in claim 2, which is characterized in that the upper casing includes internal ring portion and is looped around in described
Outer portion outside ring portion, the internal ring portion and the outer portion are connected with each other, the lower cover close the outer portion wherein
One end, the opening that the internal ring portion is enclosed constitutes the opening of the preceding operatic tunes, between the internal ring portion and the outer portion
Interval constitute it is described after the operatic tunes opening；
The internal ring portion away from the lower casing surface, with the flush away from the lower casing of the outer portion.
4. loudspeaker mould group as claimed in claim 2, which is characterized in that the upper casing is equipped with to be sealed with the electronic equipment
In conjunction with sealing element, the sealing element includes the first sealing ring portion and the second sealing ring portion, and the first sealing ring portion is around institute
The open periphery setting of the operatic tunes before stating, the open periphery setting of second sealing ring portion operatic tunes after described, and described the
One sealing ring portion and the second sealing ring portion are connected with each other.
5. loudspeaker mould group as claimed in claim 4, which is characterized in that the sealing element is foam, sponge, double-sided adhesive, glue
Any one in water, rubber ring or silica gel ring.
6. loudspeaker mould group as claimed in claim 2, which is characterized in that the shell of the upper casing and electronic equipment one
Injection molding.
7. the loudspeaker mould group as described in claim 2 to 6 any one, which is characterized in that the lower casing is equipped with through-hole, institute
It states loudspeaker monomer and protrudes into the through-hole, and combined with the sealing of the peritreme of the through-hole.
8. loudspeaker mould group as claimed in claim 7, which is characterized in that the peritreme of the loudspeaker monomer and the through-hole is viscous
It connects.
9. the loudspeaker mould group as described in claim 2 to 6 any one, which is characterized in that on the lower casing and described in correspondence
Loudspeaker monomer is equipped with through-hole, and the shell further includes the seal cover board that sealing cover closes the through-hole.
10. a kind of electronic equipment, which is characterized in that including shell and loudspeaker as described in any one of claims 1-9
Mould group, the open periphery of the preceding operatic tunes of the loudspeaker mould group and the open periphery of the rear operatic tunes are sealed respectively with the shell and are tied
It closes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998353.5U CN209017232U (en) | 2018-11-30 | 2018-11-30 | Loudspeaker mould group and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998353.5U CN209017232U (en) | 2018-11-30 | 2018-11-30 | Loudspeaker mould group and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209017232U true CN209017232U (en) | 2019-06-21 |
Family
ID=66843373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821998353.5U Active CN209017232U (en) | 2018-11-30 | 2018-11-30 | Loudspeaker mould group and electronic equipment |
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| Country | Link |
|---|---|
| CN (1) | CN209017232U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111417057A (en) * | 2020-03-30 | 2020-07-14 | 歌尔股份有限公司 | Micro speaker module, micro speaker module array and audio-visual equipment |
| WO2022089032A1 (en) * | 2020-10-28 | 2022-05-05 | 华为技术有限公司 | Speaker module and electronic device |
-
2018
- 2018-11-30 CN CN201821998353.5U patent/CN209017232U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111417057A (en) * | 2020-03-30 | 2020-07-14 | 歌尔股份有限公司 | Micro speaker module, micro speaker module array and audio-visual equipment |
| CN111417057B (en) * | 2020-03-30 | 2022-03-15 | 歌尔股份有限公司 | Micro speaker module, micro speaker module array and audio-visual equipment |
| WO2022089032A1 (en) * | 2020-10-28 | 2022-05-05 | 华为技术有限公司 | Speaker module and electronic device |
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