CN106851506A - Loudspeaker module - Google Patents
Loudspeaker module Download PDFInfo
- Publication number
- CN106851506A CN106851506A CN201710213148.7A CN201710213148A CN106851506A CN 106851506 A CN106851506 A CN 106851506A CN 201710213148 A CN201710213148 A CN 201710213148A CN 106851506 A CN106851506 A CN 106851506A
- Authority
- CN
- China
- Prior art keywords
- module
- shell
- loudspeaker
- acoustic aperture
- operatic tunes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention provides a kind of loudspeaker module, including module shell, the loudspeaker monomer being housed in module shell：Wherein, the cavity that module shell is formed is divided into the preceding operatic tunes and the rear operatic tunes by loudspeaker monomer；Set on module shell and extend inside oriented module shell, and for supporting the extension of fixed loudspeaker monomer, the preceding operatic tunes of insertion and the rear operatic tunes are provided with extension lets out acoustic aperture；Wherein, acoustic aperture is let out for non-circular structure, is letting out the damping piece that the shape therewith that is sticked at acoustic aperture matches.The shape that acoustic aperture is set to adapt to the narrow and small structure of module shell can will be let out using foregoing invention, on the premise of overall structure is not influenceed, it is ensured that the acoustical behavior stabilization of loudspeaker module.
Description
Technical field
The present invention relates to technical field of acoustics, more specifically, it is related to a kind of loudspeaker module.
Background technology
With the expansion in consumer electronics market, a large amount of mobile phones, notebook computer are used widely, and as consumer
Important acoustic element in electronic product, sound-producing device (or loudspeaker module, similarly hereinafter) has extensive demand.With people couple
The raising of consumer electronics product requirement, the performance of sound-producing device is also increasingly paid close attention to by people.With mobile phone, flat board electricity
The consumer electronics products such as brain are lightening in appearance and performance on more remarkableization requirement, sound-producing device is used as such product
An important composition unit, it is also proposed higher and higher requirement at aspects such as its performance, size, safety.
Sound-producing device of the prior art mainly includes module shell and is housed in the inner chamber of module shell formation
Loudspeaker monomer.The inner chamber that module shell is formed is divided into the preceding operatic tunes and the rear operatic tunes, the preceding operatic tunes and loudspeaker by loudspeaker monomer
Go out acoustic aperture connection, the rear operatic tunes be sealing device.Wherein, it is the preceding operatic tunes of guarantee and the air pressure balance of the rear operatic tunes, it is to avoid draught head
Influence is shaken vibration of membrane, and the operatic tunes and extraneous conducting after making are provided with module shell lets out acoustic aperture.
At present, as sound-producing device is to water proofing property and the continuous improvement of air-tightness requirement, the narrow and small sky of existing module shell
Between structure circle cannot be set let out acoustic aperture and damping, the performance of sound-producing device is also somewhat limited and influences.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of loudspeaker module, to solve current loudspeaker module
Structure space is limited, is not enough to for setting the circular problem for letting out acoustic aperture.
A kind of loudspeaker module is provided according to the present invention, including module shell, the loudspeaker list that is housed in module shell
Body：Wherein, the cavity that module shell is formed is divided into the preceding operatic tunes and the rear operatic tunes by loudspeaker monomer；It is provided with module shell
Extend to inside module shell, and for supporting the extension of fixed loudspeaker monomer, sound before being provided with insertion on the extension
Chamber and the rear operatic tunes let out acoustic aperture；Wherein, acoustic aperture is let out for non-circular structure, is letting out the damping that the shape therewith that is sticked at acoustic aperture matches
Part.
Furthermore it is preferred that structure be that to let out acoustic aperture be oval, rectangle or track type structure.
Furthermore it is preferred that structure be that step-like stopper slot is provided with acoustic aperture letting out, damping piece is fixed on stopper slot
It is interior；Also, the sectional dimension of damping piece is not less than the sectional dimension for letting out acoustic aperture.
Furthermore it is preferred that structure be, module shell include adaptation connection module upper casing, module in shell and module lower casing；
Extension is arranged on the inside of shell in module.
Furthermore it is preferred that structure be that extension includes the vertically disposed transverse end surface of side wall with shell in module and position
In the fixed part of the end of transverse end surface；Loudspeaker monomer is fixedly connected with fixed part, lets out acoustic aperture and is arranged on fixed part and transverse direction
The junction of end face.
Furthermore it is preferred that structure be that extension is structure as a whole with shell in module.
Furthermore it is preferred that structure be to be provided with spacing hole on shell in module, module upper casing it is corresponding with module lower casing limit
The position in position hole is provided with corresponding spacing otic placode；In module upper casing, module shell and module lower casing by bolt coordinate spacing hole,
Spacing otic placode is fixedly connected.
Furthermore it is preferred that structure be, in module upper casing, module between shell and module lower casing by hot melt or gluing fixation
Connection.
Furthermore it is preferred that structure be, damping piece be damping screen, foam or non-woven fabrics.
Furthermore it is preferred that structure be to be provided with side on module shell to go out acoustic aperture, side goes out acoustic aperture and is connected with the preceding operatic tunes.
Furthermore it is preferred that structure be, loudspeaker monomer include vibrational system and magnetic circuit system；Wherein, vibrational system includes
Vibrating diaphragm and it is fixed on the voice coil loudspeaker voice coil of vibrating diaphragm side；Magnetic circuit system includes conductive magnetic yoke, is fixed on magnetic of the conductive magnetic yoke near vibrating diaphragm side
Iron, and it is arranged on washer of the magnet away from conductive magnetic yoke side.
Using above-mentioned loudspeaker module of the invention, acoustic aperture will be let out and is arranged on the extension inside module shell,
The conducting of the preceding operatic tunes and the rear operatic tunes is realized by letting out acoustic aperture, so as to ensure the air pressure balance in the preceding operatic tunes and the rear operatic tunes；Additionally, letting out
Acoustic aperture is set to non-circular structure, can be applied to small space, on the premise of the outer shell product of module is not increased, it is ensured that raise one's voice
The acoustical behavior of device module meets requirement.
In order to realize above-mentioned and related purpose, one or more aspects of the invention include the spy that will be explained in below
Levy.Following explanation and accompanying drawing is described in detail some illustrative aspects of the invention.However, these aspects are indicated only
It is some modes in the various modes for can be used principle of the invention.Additionally, it is contemplated that including all these aspects with
And their equivalent.
Brief description of the drawings
By reference to the explanation below in conjunction with accompanying drawing, and be more fully understood from to of the invention, it is of the invention other
Purpose and result will be more apparent and should be readily appreciated that.In the accompanying drawings：
Fig. 1 is the exploded view of the loudspeaker module according to the embodiment of the present invention；
Fig. 2 is the profile of the loudspeaker module according to the embodiment of the present invention；
Fig. 3 is the partial enlarged drawing of part A in Fig. 2.
Reference therein includes：Module upper casing 1, loudspeaker monomer 2, voice coil loudspeaker voice coil 21, center washer 22, centring magnet
23rd, conductive magnetic yoke 24, while magnet 25, while washer 26, module in shell 3, extension 30, let out acoustic aperture 31, transverse end surface 32, fixed part
33rd, module lower casing 4, damping piece 5.
Identical label indicates similar or corresponding feature or function in all of the figs.
Specific embodiment
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain
Many details are stated.It may be evident, however, that these embodiments can also be realized in the case of without these details.
In other examples, for the ease of describing one or more embodiments, known structure and equipment show in block form an.
To describe the structure of the loudspeaker module of the embodiment of the present invention in detail, below with reference to accompanying drawing to of the invention specific
Embodiment is described in detail.
Fig. 1 shows the decomposition texture of loudspeaker module according to embodiments of the present invention.
As shown in figure 1, the loudspeaker module of the embodiment of the present invention, including module shell, it is housed in raising in module shell
The cavity that module shell is formed is divided into the preceding operatic tunes and the rear operatic tunes by sound device monomer 2, loudspeaker monomer 2；Wherein, in module shell
Inner side oriented module shell inside be set extend, and for supporting the extension 30 of fixed loudspeaker monomer 2, extension 30 will
Loudspeaker monomer 2 is spacing in module shell；The preceding operatic tunes of loudspeaker module is connected with acoustic aperture is gone out, and the rear operatic tunes is enclosed construction,
To ensure the air pressure balance in the preceding operatic tunes and the rear operatic tunes, and avoid causing shadow to the water resistance and air-tightness of loudspeaker module
Ring, the preceding operatic tunes of insertion and the rear operatic tunes are provided with extension 30 lets out acoustic aperture 31；Wherein, acoustic aperture 31 is let out for non-circular structure,
It can be the non-circular structures such as oval, rectangle or track type for example to let out acoustic aperture 31, had therewith letting out to be sticked at acoustic aperture 31
The damping piece 5 that shape matches.
Wherein, module shell further includes shell 3 and module lower casing 4 in the module upper casing 1, module that adaptation is connected；Wherein,
Extension 30 is arranged on the inside of shell 3 in module, and extension 30 includes the vertically disposed transverse end surface of side wall with shell in module 3
And positioned at the fixed part of the end of transverse end surface, the vibrating diaphragm of loudspeaker monomer 2 is fixedly connected with fixed part, lets out acoustic aperture 31 and sets
In fixed part and the junction of transverse end surface.Wherein, the upside of the junction is the preceding operatic tunes, and downside is the rear operatic tunes, will let out acoustic aperture
31 junctions for being arranged on fixed part and transverse end surface, so as to realize the conducting of the preceding operatic tunes and the rear operatic tunes.
Specifically, Fig. 2 shows the cross-section structure of loudspeaker module according to embodiments of the present invention；Fig. 3 is shown in Fig. 2
The partial enlargement structure of part A.
It is jointly shown with reference to Fig. 1 to Fig. 3, the loudspeaker module of the embodiment of the present invention, including module shell and spacing fixation
Loudspeaker monomer 2 in module shell；Wherein, module shell includes shell 3 and mould in the module upper casing 1, module that adaptation is connected
Group lower casing 4；Loudspeaker monomer 2 includes vibrational system and magnetic circuit system；Wherein, vibrational system includes vibrating diaphragm and is fixed on vibrating diaphragm
The voice coil loudspeaker voice coil 21 of side；Magnetic circuit system includes conductive magnetic yoke 24, is fixed on magnet of the conductive magnetic yoke 24 near vibrating diaphragm side, and is arranged on
Washer of the magnet away from the side of conductive magnetic yoke 24.
Wherein, shell 3 includes vertically arranged side wall and the extension 30 being fixedly connected with side wall in module；Extension 30
Further include to be vertically arranged with side wall and to the transverse end surface 32 extended inside shell 3 in the module and positioned at transverse end surface
The fixed part 33 of 32 end.The vibrating diaphragm of loudspeaker monomer 2 is pasted and fixed on fixed part 33.Let out acoustic aperture 31 and be arranged on fixed part
With the junction of transverse end surface, because the upside of junction is the preceding operatic tunes, downside is the rear operatic tunes, will let out acoustic aperture 31 and is arranged on fixation
Portion and the junction of transverse end surface, so as to realize the conducting of the preceding operatic tunes and the rear operatic tunes.
It should be noted that in embodiments of the present invention, letting out acoustic aperture 31 and can not only be provided at fixed part and transverse end surface
Junction, other positions can also be arranged on.For example, in transverse end surface 32 near the position of fixed part 33, due to prolonging herein
The thickness of extending portion 30 lets out acoustic aperture 31 and is easier to run through than relatively thin, therefore can will let out acoustic aperture 31 and be arranged on transverse end surface 32 and be close to
At the position of fixed part 33.
It is existing it should be noted that because the structure of extension is limited, it is allowed to let out the space of the setting of acoustic aperture 31 than narrow
Circle to let out acoustic aperture size-constrained on the major axis or length direction of loudspeaker module, cause the entirety for letting out acoustic aperture to let out sound face
Product is not enough, and the effect of acoustic aperture 31 is let out to give full play to, and can ensure to let out major axis or length direction of the sound in loudspeaker module
On size constancy, and the size of acoustic aperture 31 is let out in increase in the short axle or width of loudspeaker module, makes to let out acoustic aperture 31
It is distributed in strip structure, further, in embodiments of the present invention, lets out acoustic aperture 31 and may be configured as track type, ellipse, rectangular
The similar structures such as shape, are not only able to adapt to the narrow and small structure of shell 3 in module, additionally it is possible to meet the size requirement for letting out acoustic aperture 31.Together
When, can be according to the shape relative set for letting out acoustic aperture 31 with the shape for letting out the damping piece 5 that acoustic aperture 31 is correspondingly arranged.
For convenience of the installation and fixation of damping piece 5, and avoid the cavity body of the setting influence loudspeaker module of damping piece 5
Product, in the specific embodiment of the present invention, is located in extension 30 and lets out the position of acoustic aperture 31 and set step-like spacing
Groove, damping piece 5 is fixed in stopper slot；Also, the sectional dimension of damping piece 5 is set greater than letting out the sectional dimension of acoustic aperture 31,
By glue can be fixed in corresponding stopper slot damping piece 5 from damping screen, foam or non-woven fabrics etc. by damping piece 5,
Being accurately positioned to damping piece 5 can be realized, and prevents its cavity to the preceding operatic tunes from impacting.
Additionally, the bulk strength to ensure shell 3 in module, extension 30 and the integrated injection molding of shell 3 in module, that is, extend
Portion 30 is structure as a whole with shell in module 3.
In another embodiment of the present invention, loudspeaker monomer 2 is set to double magnetic circuit system, and magnet is further wrapped
Centring magnet 23 and the side magnet 25 set around centring magnet 23 are included, washer includes and centring magnet 23 and side magnet 25 respectively
Corresponding center washer 22 and side washer 26；Centring magnet 23 and center washer 22 and while magnet 25 and while washer 26 between formed
Magnetic gap, voice coil loudspeaker voice coil 21 is hung in magnetic gap, when the voice coil loudspeaker voice coil 21 in magnetic field has tone currents to flow through, can be subject to a friendship
Become motive force and produce alternate motion, so as to drive vibrating diaphragm to shake, and then promote air repeatedly and sounding.
In the assembling process of loudspeaker monomer 2 and module shell, conductive magnetic yoke 24 is fixedly connected with module lower casing 4, center
Magnet 23 is sticked in the center of conductive magnetic yoke 24, and side magnet 25 sets around centring magnet 23 and is also secured in conductive magnetic yoke 24,
Center washer 22 be sticked centring magnet 23 away from conductive magnetic yoke 24 side, while washer 26 be sticked while magnet 25 away from conductive magnetic yoke
24 side.Additionally, the peripheral edge of vibrating diaphragm is pasted and fixed on the fixed part 33 of extension 30, voice coil loudspeaker voice coil 21 is fixed on vibrating diaphragm and leans on
The side of nearly magnetic circuit system, and be hung in magnetic gap.
It should be noted that the cavity that the vibrating diaphragm of loudspeaker monomer 2 is formed with shell 3 in module and module upper casing 1 is preceding sound
Chamber, the cavity that vibrating diaphragm is formed with shell 3 in module and module lower casing 4 is the rear operatic tunes.Let out acoustic aperture 31 and be arranged on the position simultaneously of extension 30
In the preceding operatic tunes and the part of the rear operatic tunes, the preceding operatic tunes and the rear operatic tunes are turned on by letting out acoustic aperture 31, the structure for letting out acoustic aperture 31 can be with root
It is configured according to the structure of extension 30, letting out acoustic aperture in current circle can not meet loudspeaker modular structure and acoustic performance requirements
In the case of, the embodiment of the present invention will let out acoustic aperture 31 and be set to non-circular structure, damping piece 5 corresponding with acoustic aperture 31 is let out then with let out
Acoustic aperture 31 is correspondingly arranged.
In module shell according to embodiments of the present invention, spacing hole can be set on shell in module 3, in module upper casing
1 and the position of the correspondence spacing hole of module lower casing 4 corresponding spacing otic placode is set；Shell 3 and module lower casing 4 in module upper casing 1, module
Spacing hole, spacing otic placode is coordinated to be fixedly connected by bolt；Or, shell 3 and module lower casing 4 are by warm in module upper casing 1, module
The molten or gluing various ways such as be fixedly connected are fixed.
Additionally, loudspeaker module goes out acoustic aperture and for side can go out acoustic aperture or just go out acoustic aperture, just going out acoustic aperture can be arranged on
On module upper casing 1；Side goes out acoustic aperture can be arranged in module on shell 3, or is collectively forming by shell 3 in module upper casing 1 and module,
Go out acoustic aperture to be turned on the preceding operatic tunes.
The loudspeaker module of present invention offer is can be seen that by above-mentioned implementation method, the company of setting inside module shell
Lead to the preceding operatic tunes and the rear operatic tunes lets out acoustic aperture, and the shape for letting out acoustic aperture is non-circular structure according to the structure setting of extension, is letting out sound
Be sticked the damping piece that shape matches therewith at hole, goes for the small space inside module shell, it is ensured that loudspeaker
The waterproof of module and airtight requirement, and ensure the air pressure balance of the preceding operatic tunes and the rear operatic tunes.
Loudspeaker module of the invention is described in an illustrative manner above with reference to accompanying drawing.But, people in the art
Member should be appreciated that the loudspeaker module proposed for the invention described above, can also be on the basis of present invention is not departed from
Make various improvement.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (10)
1. a kind of loudspeaker module, including module shell, the loudspeaker monomer being housed in the module shell：Wherein, it is described
The cavity that the module shell is formed is divided into the preceding operatic tunes and the rear operatic tunes by loudspeaker monomer；Characterized in that,
Set on the module shell and extend inside the oriented module shell, and for supporting the fixation loudspeaker monomer
Extension, the preceding operatic tunes described in insertion and the rear operatic tunes are provided with the extension lets out acoustic aperture；Wherein,
The acoustic aperture of letting out lets out the damping piece that the shape therewith that is sticked at acoustic aperture matches for non-circular structure described.
2. loudspeaker module as claimed in claim 1, it is characterised in that
The acoustic aperture of letting out is oval, rectangle or track type structure.
3. loudspeaker module as claimed in claim 1, it is characterised in that
Step-like stopper slot is provided with acoustic aperture in described letting out, the damping piece is fixed in the stopper slot；Also, it is described
The sectional dimension of damping piece is not less than the sectional dimension for letting out acoustic aperture.
4. loudspeaker module as claimed in claim 1, it is characterised in that
The module shell includes shell and module lower casing in module upper casing, the module that adaptation is connected；
The extension is arranged on the inside of shell in the module.
5. loudspeaker module as claimed in claim 4, it is characterised in that
The extension is included with the vertically disposed transverse end surface of side wall of shell in the module and positioned at the transverse end surface
End fixed part；
The loudspeaker monomer is fixedly connected with the fixed part, and the acoustic aperture of letting out is arranged on the fixed part with the transverse end
The junction in face.
6. loudspeaker module as claimed in claim 4, it is characterised in that
The extension is structure as a whole with shell in the module.
7. loudspeaker module as claimed in claim 4, it is characterised in that
Spacing hole is provided with shell in the module, in the module upper casing spacing hole corresponding with the module lower casing
Position is provided with corresponding spacing otic placode；
Shell coordinates the spacing hole, spacing otic placode to be fixedly connected with module lower casing by bolt in the module upper casing, module.
8. loudspeaker module as claimed in claim 4, it is characterised in that
By hot melt or gluing it is fixedly connected between shell and module lower casing in the module upper casing, module.
9. loudspeaker module as claimed in claim 1, it is characterised in that
The damping piece is damping screen, foam or non-woven fabrics.
10. loudspeaker module as claimed in claim 1, it is characterised in that
Side is provided with the module shell and goes out acoustic aperture, the side goes out acoustic aperture and connected with the preceding operatic tunes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213148.7A CN106851506A (en) | 2017-04-01 | 2017-04-01 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213148.7A CN106851506A (en) | 2017-04-01 | 2017-04-01 | Loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106851506A true CN106851506A (en) | 2017-06-13 |
Family
ID=59141903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710213148.7A Pending CN106851506A (en) | 2017-04-01 | 2017-04-01 | Loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106851506A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810769A (en) * | 2018-08-03 | 2018-11-13 | 瑞声光电科技(常州)有限公司 | Loud speaker module |
| CN110881153A (en) * | 2019-12-20 | 2020-03-13 | 歌尔科技有限公司 | TWS earphone |
| WO2021007798A1 (en) * | 2019-07-16 | 2021-01-21 | 瑞声声学科技(深圳)有限公司 | Speaker box |
| WO2021098010A1 (en) * | 2019-11-22 | 2021-05-27 | 歌尔股份有限公司 | Sound generation device module and electronic product |
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| CN202425029U (en) * | 2011-12-15 | 2012-09-05 | 瑞声声学科技(常州)有限公司 | Sound production device |
| CN103826179A (en) * | 2014-02-11 | 2014-05-28 | 青岛歌尔声学科技有限公司 | Pressure-equalizing system and method of headset acoustic cavity, and headset |
| CN104754439A (en) * | 2015-04-21 | 2015-07-01 | 苏州亿欧得电子有限公司 | Low-frequency good-function receiver |
| CN204598258U (en) * | 2015-05-06 | 2015-08-26 | 歌尔声学股份有限公司 | Multiple sound unit earphone |
| CN105554657A (en) * | 2016-03-15 | 2016-05-04 | 歌尔声学股份有限公司 | Loudspeaker module and forming method thereof |
| CN205545905U (en) * | 2016-01-22 | 2016-08-31 | 歌尔声学股份有限公司 | Loudspeaker module group |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202425029U (en) * | 2011-12-15 | 2012-09-05 | 瑞声声学科技(常州)有限公司 | Sound production device |
| CN103826179A (en) * | 2014-02-11 | 2014-05-28 | 青岛歌尔声学科技有限公司 | Pressure-equalizing system and method of headset acoustic cavity, and headset |
| CN104754439A (en) * | 2015-04-21 | 2015-07-01 | 苏州亿欧得电子有限公司 | Low-frequency good-function receiver |
| CN204598258U (en) * | 2015-05-06 | 2015-08-26 | 歌尔声学股份有限公司 | Multiple sound unit earphone |
| CN205545905U (en) * | 2016-01-22 | 2016-08-31 | 歌尔声学股份有限公司 | Loudspeaker module group |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108810769A (en) * | 2018-08-03 | 2018-11-13 | 瑞声光电科技(常州)有限公司 | Loud speaker module |
| WO2021007798A1 (en) * | 2019-07-16 | 2021-01-21 | 瑞声声学科技(深圳)有限公司 | Speaker box |
| WO2021098010A1 (en) * | 2019-11-22 | 2021-05-27 | 歌尔股份有限公司 | Sound generation device module and electronic product |
| CN110881153A (en) * | 2019-12-20 | 2020-03-13 | 歌尔科技有限公司 | TWS earphone |
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Application publication date: 20170613 |