CN109348384A - Loudspeaker and electronic equipment - Google Patents
Loudspeaker and electronic equipment Download PDFInfo
- Publication number
- CN109348384A CN109348384A CN201811501422.1A CN201811501422A CN109348384A CN 109348384 A CN109348384 A CN 109348384A CN 201811501422 A CN201811501422 A CN 201811501422A CN 109348384 A CN109348384 A CN 109348384A
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- elastic gel
- shell
- acoustic aperture
- casing
- 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.)
- Granted
Links
- 239000000178 monomer Substances 0.000 claims abstract description 20
- 239000000499 gel Substances 0.000 claims description 69
- 238000007789 sealing Methods 0.000 claims description 17
- 230000004308 accommodation Effects 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000012790 adhesive layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention discloses a kind of loudspeaker and electronic equipment, loudspeaker includes loudspeaker monomer and the shell for accommodating the loudspeaker monomer, the shell is equipped with acoustic aperture, and the outer surface of the shell is coated with elastic gel, the elastic gel is annular in shape along the setting of acoustic aperture out, and the elastic gel with electronic equipment to seal against.Technical solution of the present invention can guarantee the leakproofness of loudspeaker and complete machine cooperation.
Description
Technical field
The present invention relates to sound energy switch technology field, in particular to a kind of loudspeaker and electronic equipment.
Background technique
When loudspeaker and complete machine are installed, in order to guarantee the leakproofness between loudspeaker and complete machine, in general, on a speaker
Equipped with elastic component, elastic component goes out acoustic aperture setting around loudspeaker, and abuts with complete machine shell, realizes the sealing to acoustic aperture out.
However, since elastic component is bonded on a speaker, the reliability of bonding is lower, while in loudspeaker and complete machine assembling process
In, loudspeaker can be mobile relative to complete machine, and downthrust can be generated between elastic component and complete machine shell, is easy to cause elastic component opposite
Loudspeaker is mobile, and sealing effect is caused to be deteriorated.
Summary of the invention
The main object of the present invention is to propose a kind of loudspeaker, it is intended to guarantee the leakproofness of loudspeaker and complete machine cooperation.
To achieve the above object, loudspeaker proposed by the present invention, including loudspeaker monomer and the receiving loudspeaker monomer
Shell, the shell is equipped with acoustic aperture, and the outer surface of the shell is coated with elastic gel, and the elastic gel is along institute
State out acoustic aperture setting and it is annular in shape, the elastic gel with electronic equipment to seal against.
Optionally, the outer surface of the shell is equipped with accommodation groove, and the accommodation groove is annular in shape along the setting of acoustic aperture out,
The elastic gel, which applies, is set to the accommodation groove.
Optionally, the peritreme interval of the elastic gel and the acoustic aperture out is arranged.
Optionally, the elastic gel and described the distance between acoustic aperture peritreme out are equal everywhere.
Optionally, the elastic gel with a thickness of 0.1mm-0.5mm.
Optionally, the width of the elastic gel is 0.3mm-0.7mm.
Optionally, the elastic gel is silica gel or silicon rubber.
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, acoustic aperture and the elastic gel out are arranged at the upper casing.
The present invention also proposes a kind of electronic equipment, and electronic equipment includes casing and loudspeaker, and the loudspeaker includes raising
Sound device monomer and the shell for accommodating the loudspeaker monomer, the shell is equipped with acoustic aperture, and the outer surface of the shell applies
Equipped with elastic gel, the elastic gel is arranged and annular in shape, the elastic gel and the casing sealing along the acoustic aperture out
It abuts.
In the present invention, by the way that elastic gel is arranged on the shell of loudspeaker and around acoustic aperture is gone out, pacify when by the loudspeaker
When being filled on terminal electronic device, elastic gel is abutted with the casing sealing of electronic equipment, and can guarantee loudspeaker goes out acoustic aperture
Edge and electronic equipment casing between the leakproofness that combines, guarantee the acoustical behavior of electronic equipment entirety.In addition, due to bullet
Property colloid is to apply to be located on the shell of loudspeaker by way of smearing, and the mode of the smearing makes elastic gel and loudspeaker
Binding performance between shell is more preferable, forms the structure of a similar entirety, therefore the two has more stability, therefore can avoid elasticity
Movement is generated relative to the shell of loudspeaker when colloid is collided, to can guarantee the leakproofness of loudspeaker and complete machine cooperation.Generally
Ground is bonded with sealing element on a speaker and abuts with casing, due to the shape of sealing element be it is fixed, in order to adapt to not similar shape
The loudspeaker of shape needs to process sealing element of different shapes, and the applicability by the way of sealing element is poor, causes to be produced into
This is higher.And in the present invention, it is only necessary to elastic gel is smeared according to the shape of acoustic aperture out or the shape of loudspeaker, it can be with
Loudspeaker suitable for various complicated shapes.Furthermore since the mode smeared in the present invention does not need that adhesive layer is additionally arranged again,
Be equivalent to this thickness that adhesive layer is omitted, thus compared to the form of adhesive sealant for, the present invention in loudspeaker
Integral thickness after in conjunction with complete machine is smaller, can preferably utilize complete machine space.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of loudspeaker of the present invention；
Fig. 2 is the structural schematic diagram of one embodiment of casing of electronic equipment of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 10 | Loudspeaker | 12 | Elastic gel |
| 11 | Shell | 20 | Casing |
| 111 | Acoustic aperture out | 21 | Acoustic aperture |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of loudspeaker.
Referring to FIG. 1, loudspeaker 10 includes shell 11 and loudspeaker monomer, accommodating chamber, and shell are formed in shell 11
11 are equipped with acoustic aperture 111, and loudspeaker monomer is set in accommodating chamber, and accommodating chamber is spoken every being set as the preceding operatic tunes and the rear operatic tunes
Hole 111 is connected to the preceding operatic tunes.In the present embodiment, loudspeaker monomer includes vibrational system and magnetic circuit system, and vibrational system includes vibration
Film and the voice coil for being fixed on vibrating diaphragm side, vibrating diaphragm include central part, around the ring portion of central part setting and around ring
The fixed part of portion's setting, vibrating diaphragm can also include the composite layer for being incorporated into central part.Loudspeaker monomer may also include auxiliary system,
Auxiliary system includes shell, and shell is for accommodating fixed vibrational system and magnetic circuit system.In addition, before auxiliary system may also include
Lid, front cover are incorporated into the top of shell, and front cover and shell enclose the protect-ing frame structure of loudspeaker monomer.Magnetic circuit system include with outside
The fixed conductive magnetic yoke of shell, conductive magnetic yoke are equipped with internal magnetic circuit part and exterior portion, are formed between the magnetic for accommodating voice coil between the two
Gap.Wherein, in a kind of situation, internal magnetic circuit part includes set on the centring magnet of the central location of conductive magnetic yoke and set on centring magnet
On center magnetic conductive board, exterior portion include set on conductive magnetic yoke marginal position while magnet and set on while magnet on side lead
Magnetic sheet.
In the present embodiment, shell 11 includes upper casing and lower casing, and upper casing and lower casing, which combine, forms the fixed loudspeaker monomer of receiving
Accommodating chamber.Optionally, loudspeaker monomer and upper casing surround the preceding operatic tunes jointly, and loudspeaker monomer, lower casing and upper casing enclose jointly
The operatic tunes after formation.In other embodiments, shell 11 may also include middle shell, before loudspeaker monomer surrounds jointly with upper casing and middle shell
The operatic tunes.
Optionally, acoustic aperture 111 is arranged in upper casing out；In addition, notch can also be opened up in upper casing and lower casing and collectively formed
Acoustic aperture 111 out.It should be noted that the loudspeaker 10 can go out acoustic form for side either just goes out acoustic form, the i.e. loudspeaker 10
Go out acoustic aperture 111 can face loudspeaker monomer vibrating diaphragm setting, certainly, loudspeaker 10 go out acoustic aperture 111 can also be with loudspeaker list
The vibrating diaphragm of body is arranged in a staggered manner, that is, is located at the side of vibrating diaphragm.
Loudspeaker 10 in the embodiment of the present invention is mounted on electronic equipment, when carrying out machine assembly, loudspeaker
10 combination (as shown in Figure 2) of casing 20 for going out acoustic aperture 111 and electronic equipment, and be connected with the acoustic aperture 21 on casing 20, with
Guarantee the transmitting of sound.But loudspeaker 10 is with the casing 20 of electronic equipment when being combined, due to the two contact position it is airtight
Property is poor, therefore will be greatly reduced the audio of electronic equipment.
To solve the above problems, the outer surface of the shell 11 is coated with elastic gel 12, elastic gel in the present embodiment
12 is annular in shape along the setting of acoustic aperture 111 out, and elastic gel 12 with electronic equipment to seal against.In the embodiment, carrying out
Before being coated with, elastic gel 12 is in fluid state, and after elastic gel 12 is applied on shell 11, elastic gel 12 passes through wind
It is dry that solid-state can be presented, and realize and fixed with being bonded for shell 11.Elastic gel 12 in the present embodiment is silica gel or silicon rubber etc.
Material with sealing performance.In addition, elastic gel 12 can be circular ring shape, oval ring, racetrack or rectangular etc., the present invention
It is not limited thereto in embodiment.
In the present invention, by the way that elastic gel 12 is arranged on the shell 11 of loudspeaker 10 and around acoustic aperture 111 is gone out, when should
When in the installation to terminal electronic device of loudspeaker 10, elastic gel 12 and the casing 20 of electronic equipment are sealed against, and can guarantee
The leakproofness combined between the edge for going out acoustic aperture 111 of loudspeaker 10 and the casing 20 of electronic equipment guarantees that electronic equipment is whole
Acoustical behavior.In addition, since elastic gel 12 is applied on the shell 11 for being located at loudspeaker 10 by way of smearing, the painting
The mode smeared makes the binding performance between 10 shell 11 of elastic gel 12 and loudspeaker more preferable, forms the knot of a similar entirety
Structure, therefore the two has more stability, therefore the shell 11 that can avoid when elastic gel 12 is collided relative to loudspeaker 10 generates movement,
To can guarantee the leakproofness of loudspeaker 10 and complete machine cooperation.Generally, sealing element is bonded on loudspeaker 10 and and casing
20 abut, due to the shape of sealing element be it is fixed, in order to adapt to loudspeaker 10 of different shapes, need to process different shape
Sealing element, the applicability by the way of sealing element is poor, causes production cost higher.And in the present invention, it is only necessary to according to
The shape of acoustic aperture 111 or the shape of loudspeaker 10 smear elastic gel 12 out, can be adapted for various complicated shapes
Loudspeaker 10.Furthermore it since the mode smeared in the present invention does not need that adhesive layer is additionally arranged again, is equivalent to and adhesive layer is omitted
This thickness, therefore compared to the form of adhesive sealant for, the present invention in loudspeaker 10 in conjunction with complete machine after it is whole
Body thickness is smaller, can preferably utilize complete machine space.
In the present embodiment, the outer surface of shell 11 is equipped with accommodation groove (not shown go out), accommodation groove along going out the setting of acoustic aperture 111 and
Annularly, elastic gel 12, which applies, is set to accommodation groove.In such a way that setting accommodation groove is come for the smearing of elastic gel 12, it can be avoided
Excessive glue phenomenon prevents elastic gel 12 from overflowing into out the audio in acoustic aperture 111 and influencing loudspeaker 10.Optionally, elastic gel 12
Accommodation groove setting is stretched out in part, it is ensured that more preferably contacts between elastic gel 12 and casing 20.Certainly, it can not also be set on shell 11
Set accommodation groove.
In the present embodiment, elastic gel 12 and the peritreme interval of acoustic aperture 111 out are arranged, so when the outer surface of shell 11 applies
Interval energy when smearing more elastic gel 12, even if there is excessive glue phenomenon, between elastic gel 12 and the out peritreme of acoustic aperture 111
More spilling colloid is enough accommodated, greatly reduces even avoidable elastic gel 12 and overflows into out acoustic aperture 111.Optionally, elastic gum
Body 12 and the distance between 111 peritreme of acoustic aperture out are equal everywhere.Due to when carrying out machine assembly, acoustic aperture 21 on casing 20 with
The acoustic aperture 111 that goes out of loudspeaker 10 is usually face setting, i.e. the axial direction of the two is generally overlapped, therefore by elastic gel 12 and is gone out
The distance between 111 peritreme of acoustic aperture is set as equal everywhere, be equivalent to 21 peritreme of acoustic aperture on elastic gel 12 and casing 20 it
Between distance be also it is equal everywhere, can avoid elastic gel 12 some positional distance casings 20 21 peritreme of acoustic aperture farther out,
And it is excessively close in 21 peritreme of the acoustic aperture of other positional distance casings 20 and extend into casing 20 acoustic aperture 21 in phenomenon, therefore can
Guarantee that elastic gel 12 has with casing 20 and preferably abuts sealing effect.
Optionally, elastic gel 12 with a thickness of 0.1mm-0.5mm, for example, in some embodiments, elastic gel 12
With a thickness of 0.35mm, in other embodiments, the thickness of elastic gel 12 can be 0.1mm, 0.3mm or 0.5mm etc..Pass through
Using the elastic gel 12 of the thickness, it is blocked up and occupy excessive complete machine space to can be avoided elastic gel 12, while also can
It avoids elastic gel 12 excessively thin and causes sealing effect poor.
Optionally, the width of elastic gel 12 is 0.3mm-0.7mm.For example, in some embodiments, elastic gel 12
Width is 0.5mm, and in other embodiments, the width of elastic gel 12 can be 0.3mm, 0.4mm or 0.7mm etc..Pass through
Using the elastic gel 12 of the width, it is wide and occupy excessive complete machine space to can be avoided elastic gel 12, while also can
It avoids elastic gel 12 narrow and causes sealing effect poor.
The present invention also proposes a kind of electronic equipment, which includes loudspeaker 10 as above, due to the electronic equipment
Using whole technical solutions of above-mentioned all embodiments, therefore at least institute brought by the technical solution with above-described embodiment
There is beneficial effect, this is no longer going to repeat them.Specifically, electronic equipment can be mobile phone, plate or computer etc. being capable of sounding
Equipment.Electronic equipment includes casing 20, and acoustic aperture 21 is equipped on casing 20, and loudspeaker 10 is mounted in casing 20, loudspeaker
The acoustic aperture 111 that goes out on 10 is connected to acoustic aperture 21, and the elastic gel 12 of loudspeaker 10 is sealed against with casing 20, elastic gel
12 be equally to surround the setting of acoustic aperture 21.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all in the present invention
Inventive concept under, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (9)
1. a kind of loudspeaker, which is characterized in that the shell including loudspeaker monomer and the receiving loudspeaker monomer, the shell
Be equipped with acoustic aperture, and the outer surface of the shell is coated with elastic gel, the elastic gel along it is described go out acoustic aperture setting and
Annularly, and to be sealed against with electronic equipment.
2. loudspeaker as described in claim 1, which is characterized in that the outer surface of the shell is equipped with accommodation groove, the accommodating
Slot is annular in shape along the setting of acoustic aperture out, and the elastic gel, which applies, is set to the accommodation groove.
3. loudspeaker as described in claim 1, which is characterized in that the elastic gel and the peritreme interval of the acoustic aperture out are set
It sets.
4. loudspeaker as claimed in claim 3, which is characterized in that the elastic gel and it is described go out acoustic aperture peritreme between away from
It is equal from everywhere.
5. the loudspeaker as described in Claims 1-4 any one, which is characterized in that the elastic gel with a thickness of
0.1mm-0.5mm。
6. the loudspeaker as described in Claims 1-4 any one, which is characterized in that the width of the elastic gel is
0.3mm-0.7mm。
7. the loudspeaker as described in Claims 1-4 any one, which is characterized in that the elastic gel is silica gel or silicon rubber
Glue.
8. loudspeaker as described in claim 1, which is characterized in that the shell includes upper casing and lower casing, the upper casing and institute
It states lower casing and is arranged at described in conjunction with the space for accommodating the loudspeaker monomer, acoustic aperture and the elastic gel out is formed
Upper casing.
9. a kind of electronic equipment, which is characterized in that the loudspeaker including casing and as described in claim 1-8 any one,
The elastic gel of the loudspeaker is abutted with the casing sealing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501422.1A CN109348384B (en) | 2018-12-07 | Speaker and electronic device | |
| PCT/CN2018/125548 WO2020113739A1 (en) | 2018-12-07 | 2018-12-29 | Loudspeaker and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501422.1A CN109348384B (en) | 2018-12-07 | Speaker and electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109348384A true CN109348384A (en) | 2019-02-15 |
| CN109348384B CN109348384B (en) | 2024-07-02 |
Family
ID=
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747398A (en) * | 2013-12-25 | 2014-04-23 | 歌尔声学股份有限公司 | Loudspeaker module and electronic device comprising the loudspeaker module |
| CN203618118U (en) * | 2013-12-09 | 2014-05-28 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN204539463U (en) * | 2015-04-13 | 2015-08-05 | 歌尔声学股份有限公司 | Loud speaker module |
| CN205622861U (en) * | 2016-03-28 | 2016-10-05 | 歌尔股份有限公司 | Speaker module and portable instrument |
| CN205726375U (en) * | 2016-06-27 | 2016-11-23 | 奥音科技（北京）有限公司 | Mini-sound device |
| CN205793296U (en) * | 2016-05-26 | 2016-12-07 | 歌尔股份有限公司 | Speaker module |
| CN106921922A (en) * | 2017-04-24 | 2017-07-04 | 歌尔股份有限公司 | Loudspeaker module and electronic installation |
| CN209017308U (en) * | 2018-12-07 | 2019-06-21 | 歌尔股份有限公司 | Loudspeaker and electronic equipment |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203618118U (en) * | 2013-12-09 | 2014-05-28 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN103747398A (en) * | 2013-12-25 | 2014-04-23 | 歌尔声学股份有限公司 | Loudspeaker module and electronic device comprising the loudspeaker module |
| CN204539463U (en) * | 2015-04-13 | 2015-08-05 | 歌尔声学股份有限公司 | Loud speaker module |
| CN205622861U (en) * | 2016-03-28 | 2016-10-05 | 歌尔股份有限公司 | Speaker module and portable instrument |
| CN205793296U (en) * | 2016-05-26 | 2016-12-07 | 歌尔股份有限公司 | Speaker module |
| CN205726375U (en) * | 2016-06-27 | 2016-11-23 | 奥音科技（北京）有限公司 | Mini-sound device |
| CN106921922A (en) * | 2017-04-24 | 2017-07-04 | 歌尔股份有限公司 | Loudspeaker module and electronic installation |
| CN209017308U (en) * | 2018-12-07 | 2019-06-21 | 歌尔股份有限公司 | Loudspeaker and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020113739A1 (en) | 2020-06-11 |
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