CN108551639A - Loud speaker module and portable terminal - Google Patents
Loud speaker module and portable terminal Download PDFInfo
- Publication number
- CN108551639A CN108551639A CN201810604715.6A CN201810604715A CN108551639A CN 108551639 A CN108551639 A CN 108551639A CN 201810604715 A CN201810604715 A CN 201810604715A CN 108551639 A CN108551639 A CN 108551639A
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- China
- Prior art keywords
- loud speaker
- support element
- shell
- entrant sound
- sounding monomer
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Classifications
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- 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
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention discloses a kind of loud speaker module and portable terminal, wherein, the loud speaker module includes shell, sounding monomer, entrant sound separator, sound-absorbing material and support element, and there is the shell inner cavity, the sounding monomer to be contained in the inner cavity and the inner cavity is divided into ante-chamber and back cavity；The entrant sound separator in the form of sheets and is contained in the back cavity, and the entrant sound separator is enclosed sound absorption cavity with the inner walls face；The sound-absorbing material is filled in the sound absorption cavity；The support element is set between the sounding monomer and the entrant sound separator, and the entrant sound separator, by the supports support, interdigit gap is kept away to be formed between the entrant sound separator and the sounding monomer towards the side of the sounding monomer.Loud speaker module of the present invention has while ensureing that entrant sound separator is not collided with sounding monomer, makes full use of the effect of rear cavity space.
Description
Technical field
The present invention relates to electroacoustic techniques field, more particularly to a kind of loud speaker module and portable terminal.
Background technology
Loud speaker module is the performer that electronic equipment realizes that audio plays, in the feelings that installation space height dimension allows
Under condition, sound absorption cavity can be added in loud speaker module, and fills sound-absorbing material in sound absorption cavity to improve loud speaker module
Frequency acoustic performance.Housing cavity is divided into ante-chamber and back cavity by a kind of existing loud speaker module, sounding monomer, sound absorption cavity by
Entrant sound separator set on the back cavity is enclosed with shell, in order to make full use of rear cavity space and avoid entrant sound separator with
Sounding monomer collides and generates noise, needs the gap for ensureing to form suitable size between entrant sound separator and sounding monomer, but
Existing structure is difficult to accomplish this point.
Invention content
The main object of the present invention is to propose a kind of loud speaker module, it is intended to solve existing loud speaker module entrant sound isolation
The technical issues of gap of suitable size is difficult to ensure between part and sounding monomer.
To achieve the above object, loud speaker module proposed by the present invention, including shell, sounding monomer, entrant sound separator, suction
Sound material and support element, wherein：
There is the shell inner cavity, the sounding monomer to be contained in the inner cavity and the inner cavity is divided into ante-chamber with after
Chamber；
The entrant sound separator in the form of sheets and is contained in the back cavity, and the entrant sound separator is enclosed with the inner walls face
Conjunction forms sound absorption cavity；The sound-absorbing material is filled in the sound absorption cavity；
The support element is set between the sounding monomer and the entrant sound separator, and the entrant sound separator is described in
Interdigit is kept away in the side of sounding monomer by the supports support, to be formed between the entrant sound separator and the sounding monomer
Gap.
Preferably, the support element is plate-like, and the support element is fitted in one that the sounding monomer deviates from the ante-chamber
Face.
Preferably, the gap when entrant sound separator is unfolded naturally between the sounding monomer is less than the support element
Thickness.
Preferably, the support element is elastic material.
Preferably, the material of the support element includes foam or rubber.
Preferably, the area of the support element is less than area of the sounding monomer away from the one side of the ante-chamber.
Preferably, the support element is fixedly connected with the sounding monomer, and the relatively described entrant sound isolation of the support element
Part is centrally located.
Preferably, the entrant sound separator is screen cloth.
The present invention also proposes that a kind of portable terminal, including shell and the first phonation unit, the shell have first to accommodate
Chamber, and the first acoustic aperture for being connected to first accommodating chamber, first phonation unit are set to first accommodating chamber；It is described
First phonation unit be loud speaker module, the loud speaker module include shell, sounding monomer, entrant sound separator, sound-absorbing material with
And support element, wherein：
There is the shell inner cavity, the sounding monomer to be contained in the inner cavity and the inner cavity is divided into ante-chamber with after
Chamber；
The entrant sound separator in the form of sheets and is contained in the back cavity, and the entrant sound separator is enclosed with the inner walls face
Conjunction forms sound absorption cavity；The sound-absorbing material is filled in the sound absorption cavity；
The support element is set between the sounding monomer and the entrant sound separator, and the entrant sound separator is described in
Interdigit is kept away in the side of sounding monomer by the supports support, to be formed between the entrant sound separator and the sounding monomer
Gap.
Preferably, the shell be in tabular, the shell also have the second accommodating chamber and with second accommodating chamber
Second acoustic aperture of connection, the portable terminal further include the second phonation unit set on second accommodating chamber；
First accommodating chamber and the second accommodating chamber are located at the both ends of the shell, and first accommodating chamber is described
Size of the size in thickness of shell direction more than second accommodating chamber in the thickness of shell direction.
Loud speaker module of the present invention passes through the extension supporting part between sounding monomer and entrant sound separator, the isolation of sheet entrant sound
Part is under the supporting role of support element, and formation height is metastable between the sounding monomer keeps away bit space, to reach
While ensureing that entrant sound separator is not collided with sounding monomer, the effect of rear cavity space is made full use of.
Description of the drawings
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 technology 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 loud speaker module of the present invention；
Fig. 2 is the diagrammatic cross-section of one embodiment of loud speaker module of the present invention；
Fig. 3 is the partial enlarged view at A in Fig. 2；
Fig. 4 is the structural schematic diagram of the another embodiment of loud speaker module of the present invention；
Fig. 5 is the partial enlarged view at B in Fig. 4；
Fig. 6 is the structural schematic diagram of one embodiment of portable terminal of the present invention；
Fig. 7 is the structural schematic diagram of the another embodiment of portable terminal of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title | Label | Title |
| 1 | Shell | 161 | Fixed frame | 110 | First accommodating chamber |
| 11 | Ante-chamber | 162 | Lower cover | 120 | First acoustic aperture |
| 12 | Back cavity | 2 | Sounding monomer | 130 | Second accommodating chamber |
| 13 | Sound absorption cavity | 3 | Entrant sound separator | 140 | Second acoustic aperture |
| 14 | Keep away interdigit gap | 4 | Sound-absorbing material | 200 | Loud speaker module |
| 15 | Upper casing | 5 | Support element | 300 | Second phonation unit |
| 16 | Lower casing | 100 | Shell |
1：Shell；11：Ante-chamber；12：Back cavity；13：Sound absorption cavity；14：Keep away interdigit gap；15：Upper casing；16：Lower casing；161：It is fixed
Frame；162：Lower cover；2：Sounding monomer；3：Entrant sound separator；4：Sound-absorbing material；5：Support element；100：Shell；110：First accommodates
Chamber；120：First acoustic aperture；130：Second accommodating chamber；140：Second acoustic aperture；200：Loud speaker module；300：Second phonation unit；
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 implementation mode
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 describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
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.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, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of loud speaker module.
In embodiments of the present invention, as shown in Figures 1 to 5, the loud speaker module 200 include shell 1, sounding monomer 2, thoroughly
It is acoustically separated from part 3, sound-absorbing material 4 and support element 5, wherein：
The shell 1 has inner cavity (not indicating), and the sounding monomer 2 is contained in the inner cavity and separates the inner cavity
For ante-chamber 11 and back cavity 12；
The entrant sound separator 3 in the form of sheets and is contained in the back cavity 12, the entrant sound separator 3 in the shell 1
Wall surface is enclosed sound absorption cavity 13；The sound-absorbing material 4 is filled in the sound absorption cavity 13；
The support element 5 is set between the sounding monomer 2 and the entrant sound separator 3,3 direction of entrant sound separator
The side of the sounding monomer 2 is supported by the support element 5, with the shape between the entrant sound separator 3 and the sounding monomer 2
At keeping away interdigit gap 14.
In the present embodiment, shell 1 is forming 1 internal part of case such as sounding monomer 2, entrant sound separator 3 etc.
Inner cavity, and provide support and protection for these components.When to simplify the description, the vibrating diaphragm of sounding monomer 2 being placed upward
Position is that reference is defined up and down.Typically, for the ease of production, shell 1 is generally assembled by multiple components, is implemented one
Example in, shell 1 include upper casing 15 and lower casing 16, between the upper casing 15 and sounding monomer 2 formed ante-chamber 11, the lower casing 16 with
Back cavity 12 is formed between sounding monomer 2, the entrant sound separator 3 and the internal face of the upper casing 15 are enclosed the sound absorption cavity
13.Lower casing 16 includes fixed frame 161 and lower cover 162.It is understood that in other embodiments, shell 1 can also be by left housing
Inner cavity is formed with the mode of right shell split, and support and protection are provided to be placed in the component of inner cavity.
The structure of sounding monomer 2 can refer to the prior art, and in Fig. 2 and Fig. 4, sounding monomer 2 is simplified expression.It is logical
Chang Eryan, sounding monomer 2 include vibrational system and magnetic circuit system.Vibrational system voice coil voice coil stretches into the magnetic gap of magnetic circuit system
In, the electric current of voice coil connection variation is then vibrated by different size of Ampere force, and voice coil, which moves up and down, drives vibrational system
Diaphragm oscillations, energy conversion mode are electric energy-mechanical energy-acoustic energy.
Entrant sound separator 3 is mainly used for isolating sound-absorbing material 4, the sound penetrating hole of entrant sound separator 3 or the size of entrant sound mesh
In general it needs to adapt to the form of sound-absorbing material 4 simultaneously, and meets the function of entrant sound.Entrant sound separator 3 can be it is netted,
Such as cloth net, or with appropriate metal mesh flexible.Preferably, entrant sound separator 3 is screen cloth.
The effect of sound-absorbing material 4 is to increase transmission or biography of the sound after entering sound absorption cavity 13 through entrant sound separator 3
Path is broadcast, and then improves audio performance.As an example, sound-absorbing material 4 can be acoustical cotton, porous ceramics, foamed plastics or bubble
Foam glass etc..Preferably, the sound-absorbing material 4 is sound-absorbing particle, specifically, the sound-absorbing particle is zeolite.As for support element
5, shape can be bulk, and rod-shaped or plate does not hinder sound to enter sound absorption cavity as long as can stablize support entrant sound separator 3
13.
For loud speaker module 200 of the present invention by the extension supporting part 5 between sounding monomer 2 and entrant sound separator 3, sheet is saturating
Part 3 is acoustically separated under the supporting role of support element 5, formation height is metastable between the sounding monomer 2 keeps away bit space,
To reach while ensureing that entrant sound separator 3 is not collided with sounding monomer 2, the effect in 12 space of back cavity is made full use of.It can
With understanding, sound absorption cavity 13 can then be maximized by taking full advantage of 12 space of back cavity, optimize acoustical behavior.
Further, support element 5 is plate-like, and support element 5 is fitted in the one side that sounding monomer 2 deviates from ante-chamber 11.Passing through will
Support element 5 is arranged to plate, such support element 5 support entrant sound separator 3 when with matching for entrant sound separator 3 be combined into face and connect
It touches, is excessively concentrated so as to avoid support force and burst entrant sound separator 3.
Further, the gap when entrant sound separator 3 is unfolded naturally between the sounding monomer 2 is less than the branch
The thickness of support member 5.It can so ensure entrant sound separator 3 by stretching, ensure that entrant sound separator 3 is staggered the position energy of support element 5
Certain spacing is kept with sounding monomer 2.
Further, support element 5 is elastic material, in this way, clamping of the support element 5 in entrant sound separator 3 and sounding monomer 2
Under will produce compression so that entrant sound separator 3 is unlikely to be supportted too tight, or can be to saturating using the rebound of sounding monomer 2
The rigging error for being acoustically separated from part 3 carries out compensation appropriate.Preferably, the material of support element 5 includes foam or rubber.Wherein, make
Product sound quality is not interfered with foam, and the cost variation brought is also little.In addition, the material of support element 5 can also be
Flexible glue or TPU (thermoplastic polyurethane elastomer rubber).
Further, in order to avoid hindering air to flow through entrant sound separator 3 and entrant sound, the area of support element 5 is less than sounding
Area of the monomer 2 away from the one side of ante-chamber 11.
Further, support element 5 is fixedly connected with sounding monomer 2, and support element 5 is centrally located with respect to entrant sound separator 3.
In the present embodiment, support element 5 can ensure that support element 5 reliably supports entrant sound separator 3, support element 5 with 2 fixation of sounding monomer
With the fixation of sounding monomer 2, it is preferable that using bonding.Such as in one embodiment, support element 5 including ontology and is set to ontology
The double faced adhesive tape of side, the double faced adhesive tape are adhesively fixed ontology and sounding monomer 2.And support element 5 is centrally located, then is advantageously ensured that
It is acoustically separated between part 3 and sounding monomer 2 and forms that height is relatively uniform to keep away interdigit gap 14, and ensure that entrant sound separator 3 has foot
Enough air circulations.
The present invention also proposes a kind of portable terminal, please refers to Fig. 6 and Fig. 7, which includes that shell 100 and first is sent out
Sound unit, shell 1 have the first accommodating chamber 110, and the first acoustic aperture 120 being connected to the first accommodating chamber 110, the first sounding list
Member is set to the first accommodating chamber 110；First phonation unit is loud speaker module 200, the concrete structure reference of the loud speaker module 200
Above-described embodiment at least has above-mentioned since this portable terminal uses whole technical solutions of above-mentioned all embodiments
All advantageous effects caused by the technical solution of embodiment, this is no longer going to repeat them.
In the present embodiment, portable terminal can be mobile phone, tablet computer etc. it is easy to carry and have audio playing function
Electronic equipment.In some embodiments, shell 100 includes panel and rear shell.First accommodating chamber 110 is because be limited to shell
100 appearance and size is usually than narrow, specifically, the size of the first accommodating chamber 110 and the size of the first phonation unit are mutually fitted
Match.Damping screen cloth can be arranged at the first acoustic aperture 120 for the sound transmission of the first phonation unit to be gone out in first acoustic aperture 120.
Further, the shell 1 is in tabular, and the shell 1 also has the second accommodating chamber 130 and with described second
The second acoustic aperture 130 that accommodating chamber 130 is connected to, the portable terminal further include the second sounding set on second accommodating chamber 130
Unit 300；
First accommodating chamber, 110 and second accommodating chamber 130 is located at the both ends of the shell 1, and described first accommodates
Chamber 110 1 thickness direction of the shell size be more than second accommodating chamber 130 1 thickness direction of the shell size.
In the present embodiment, it is matched with the first phonation unit by the way that the second phonation unit 300 is arranged at the both ends of shell 1
Sounding can form stereo.The effect of second accommodating chamber 130 and the second acoustic aperture 130 can refer to the first accommodating chamber 110 respectively
And first acoustic aperture 120 effect.On the thickness direction of shell 1, the size of the first accommodating chamber 110 is more than the second accommodating chamber 130
Size, so convenient for the first phonation unit use with sound absorption cavity 13 loud speaker module 200, and then promoted portable terminal it is whole
The audio result of broadcast of body.Specifically, in the implementation that portable terminal is mobile phone, the first accommodating chamber 110 can be used for installing called
Device, in the present embodiment, by receiver replace installation above-described embodiment loud speaker module 200, the original function of receiver by
Loud speaker module 200 undertakes.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (10)
1. a kind of loud speaker module, which is characterized in that including shell, sounding monomer, entrant sound separator, sound-absorbing material and support
Part, wherein：
There is the shell inner cavity, the sounding monomer to be contained in the inner cavity and the inner cavity is divided into ante-chamber and back cavity；
The entrant sound separator in the form of sheets and is contained in the back cavity, and the entrant sound separator encloses shape with the inner walls face
At sound absorption cavity；The sound-absorbing material is filled in the sound absorption cavity；
The support element is set between the sounding monomer and the entrant sound separator, and the entrant sound separator is towards the sounding
Interdigit gap is kept away in the side of monomer by the supports support, to be formed between the entrant sound separator and the sounding monomer.
2. loud speaker module as described in claim 1, which is characterized in that the support element is plate-like, the support element fitting
Deviate from the one side of the ante-chamber in the sounding monomer.
3. loud speaker module as claimed in claim 2, which is characterized in that when the entrant sound separator is unfolded naturally with the hair
Gap between sound monomer is less than the thickness of the support element.
4. loud speaker module as claimed in claim 3, which is characterized in that the support element is elastic material.
5. loud speaker module as claimed in claim 4, which is characterized in that the material of the support element includes foam or rubber.
6. loud speaker module as claimed in claim 2, which is characterized in that the area of the support element is less than the sounding monomer
Away from the area of the one side of the ante-chamber.
7. loud speaker module as claimed in claim 2, which is characterized in that the support element is fixed with the sounding monomer to be connected
It connects, and the relatively described entrant sound separator of the support element is centrally located.
8. such as claim 1-7 any one of them loud speaker modules, which is characterized in that the entrant sound separator is screen cloth.
9. a kind of portable terminal, including shell and the first phonation unit, the shell has the first accommodating chamber, and with described the
First acoustic aperture of one accommodating chamber connection, first phonation unit are set to first accommodating chamber；It is characterized in that, described first
Phonation unit is such as claim 1-8 any one of them loud speaker modules.
10. portable terminal as claimed in claim 9, which is characterized in that
The shell is in tabular, and the shell is also with the second accommodating chamber and the rising tone being connected to second accommodating chamber
Hole, the portable terminal further include the second phonation unit set on second accommodating chamber；
First accommodating chamber and the second accommodating chamber are located at the both ends of the shell, and first accommodating chamber is in the shell
Size of the size of thickness direction more than second accommodating chamber in the thickness of shell direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604715.6A CN108551639B (en) | 2018-06-12 | 2018-06-12 | Speaker module and portable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810604715.6A CN108551639B (en) | 2018-06-12 | 2018-06-12 | Speaker module and portable terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108551639A true CN108551639A (en) | 2018-09-18 |
| CN108551639B CN108551639B (en) | 2020-05-22 |
Family
ID=63493671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810604715.6A Active CN108551639B (en) | 2018-06-12 | 2018-06-12 | Speaker module and portable terminal |
Country Status (1)
| Country | Link |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109698994A (en) * | 2018-12-29 | 2019-04-30 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技（北京）有限公司 | Loudspeaker module and preparation method thereof |
| CN111641895A (en) * | 2020-06-15 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111901711A (en) * | 2020-08-13 | 2020-11-06 | 歌尔股份有限公司 | Loudspeaker module and manufacturing method thereof |
| CN112153502A (en) * | 2020-08-27 | 2020-12-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| WO2021109200A1 (en) * | 2019-12-02 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2021109184A1 (en) * | 2019-12-02 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker cabinet |
| WO2021135832A1 (en) * | 2019-12-31 | 2021-07-08 | 歌尔股份有限公司 | Speaker module and electronic device |
| CN113473276A (en) * | 2021-06-30 | 2021-10-01 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| WO2021237789A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| WO2021237791A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2022006954A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
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| CN109698994A (en) * | 2018-12-29 | 2019-04-30 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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| WO2021109184A1 (en) * | 2019-12-02 | 2021-06-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker cabinet |
| WO2021135832A1 (en) * | 2019-12-31 | 2021-07-08 | 歌尔股份有限公司 | Speaker module and electronic device |
| CN111147967A (en) * | 2020-02-20 | 2020-05-12 | 精拓丽音科技（北京）有限公司 | Loudspeaker module and preparation method thereof |
| WO2021237789A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| WO2021237791A1 (en) * | 2020-05-29 | 2021-12-02 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| CN111641895A (en) * | 2020-06-15 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| WO2022006954A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
| WO2022006950A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
| CN111901711A (en) * | 2020-08-13 | 2020-11-06 | 歌尔股份有限公司 | Loudspeaker module and manufacturing method thereof |
| CN112153502A (en) * | 2020-08-27 | 2020-12-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| WO2022041435A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN113473276A (en) * | 2021-06-30 | 2021-10-01 | 歌尔股份有限公司 | Speaker module and electronic equipment |
| CN113473276B (en) * | 2021-06-30 | 2024-05-31 | 歌尔股份有限公司 | Speaker module and electronic equipment |
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| CN108551639B (en) | 2020-05-22 |
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