CN207184801U - A kind of loudspeaker module - Google Patents
A kind of loudspeaker module Download PDFInfo
- Publication number
- CN207184801U CN207184801U CN201721105723.3U CN201721105723U CN207184801U CN 207184801 U CN207184801 U CN 207184801U CN 201721105723 U CN201721105723 U CN 201721105723U CN 207184801 U CN207184801 U CN 207184801U
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- module
- loudspeaker monomer
- monomer
- glue
- 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.)
- Active
Links
- 239000000178 monomer Substances 0.000 claims abstract description 72
- 239000003292 glue Substances 0.000 claims abstract description 58
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000013016 damping Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- UFNIBRDIUNVOMX-UHFFFAOYSA-N 2,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1Cl UFNIBRDIUNVOMX-UHFFFAOYSA-N 0.000 description 1
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
-
- 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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a kind of loudspeaker module,Including module shell and the loudspeaker monomer being fixed in the cavity of the module shell formation,The cavity is divided into the preceding operatic tunes and the rear operatic tunes by the loudspeaker monomer,The module shell is provided with module outlet sound mouth,The preceding operatic tunes includes the upstream cavity of loudspeaker monomer face and the passage of speaking of connection upstream cavity and module outlet sound mouth,Be further provided with being connected with the channel side wall of speaking on the module shell is used to support the boss of the loudspeaker monomer,It is described speak passage and the boss respectively with the loudspeaker monomer by gluing water-stop to seal the preceding operatic tunes,The channel side wall of speaking forms the oblique angle structure with loudspeaker monomer gluing water-stop close to loudspeaker monomer side,The oblique angle structure is provided with the glue groove for accommodating the glue,The utility model in oblique angle structure by setting glue groove,Reduce glue-spread,Improve gluing outward appearance,Improve module sealing effectiveness and product yield.
Description
Technical field
It the utility model is related to electroacoustic switch technology field.More particularly, to a kind of loudspeaker module.
Background technology
As science and technology develops rapidly, requirement more and more higher of the consumer to electronic product, based on consumer for electricity
The design of the electronic products such as the requirement of sub- product, mobile phone tends to be lightening.Weight of the loudspeaker module as portable electric appts
Acoustic element is wanted, is a kind of energy conversion device for completing the conversion between electric signal and acoustical signal.
The loudspeaker monomer that loudspeaker module includes module shell and is contained in the cavity that the module shell is formed, is raised
The cavity that sound device monomer surrounds module shell is divided into the preceding operatic tunes and the rear operatic tunes.The preceding operatic tunes includes at the top of loudspeaker monomer and mould
Module outlet sound mouth and formation of the upstream cavity, formation that assembly housing is formed on module shell connect module on module shell
The passage of speaking of outlet sound mouth and upstream cavity.What the channel side wall that is further provided with and speaks on module shell connected is used to support institute
State the boss of loudspeaker monomer.In order to ensure the acoustical behavior of module, the preceding operatic tunes and the rear operatic tunes need to be sealed off, passage of speaking
With boss respectively with loudspeaker monomer by gluing water-stop to seal the preceding operatic tunes, due to speaking, passage top surface is higher than boss top
Face, it need to be sealed in gluing between channel side wall and loudspeaker monomer of speaking, generally in channel side wall of speaking close to loudspeaker monomer one
Side forms the oblique angle structure being easy to the sealing of loudspeaker monomer gluing.But because the surface of oblique angle structure is close to vertical, institute
When stating oblique angle structure with the sealing of loudspeaker monomer gluing, glue flows sinking, it is necessary to apply many glue under self gravitation effect
The sealing of the preceding operatic tunes is just can guarantee that, causes outward appearance and sealing effectiveness at gluing bad.
Accordingly, it is desirable to provide a kind of loudspeaker module for reducing glue-spread, improving sealing effectiveness, improves gluing outward appearance, carries
High product yield.
Utility model content
A purpose of the present utility model is to provide a kind of loudspeaker module, improves module shell and applied with loudspeaker monomer
Glue sealing effectiveness, glue-spread is reduced, improve gluing outward appearance and product yield.
To reach above-mentioned purpose, the utility model uses following technical proposals：
The utility model discloses a kind of loudspeaker module, including module shell and it is fixed on the module shell and is formed
Cavity in loudspeaker monomer, the cavity is divided into the preceding operatic tunes and the rear operatic tunes, the module shell by the loudspeaker monomer
Module outlet sound mouth is provided with, the preceding operatic tunes includes the upstream cavity of loudspeaker monomer face and connection upstream cavity goes out with module
The passage of speaking of sound mouth,
Being used for of being further provided with being connected with the channel side wall of speaking on the module shell supports the loudspeaker list
The boss of body, it is described speak passage and the boss respectively with the loudspeaker monomer by gluing water-stop to seal preceding sound
Chamber, the channel side wall of speaking is formed close to loudspeaker monomer side and the oblique angle structure of loudspeaker monomer gluing water-stop,
The oblique angle structure is provided with the glue groove for accommodating the glue.
Preferably, the glue groove includes horizontal bottom and side.
Preferably, the horizontal bottom is higher than the top surface of the boss.
Preferably, the side of the glue groove includes the first vertical plane and the second vertical plane perpendicular to horizontal bottom.
Preferably, close to loudspeaker monomer, the side further comprises connecting with second vertical plane second vertical plane
Inclined 3rd vertical plane of the direction loudspeaker monomer connect.
Preferably, the side of the glue groove includes the arc vertical plane vertical with the horizontal bottom.
Preferably, the side of the glue groove further comprises being connected close to loudspeaker monomer side with the arc vertical plane
Inclined 4th vertical plane of the direction loudspeaker monomer.
Preferably, the glue groove and the module shell together injection molding or pass through after module shell shaping
Grooving processes are formed.
Preferably, the oblique angle structure extends to the top surface of the passage of speaking from the boss top surface.
Preferably, the top surface of the top surface of the boss, the oblique angle structure and the passage of speaking is raised with described respectively
The glue bearing areas that the gluing water-stop of sound device monomer is formed is connected with each other to seal the preceding operatic tunes.
The beneficial effects of the utility model are as follows：
Set on the loudspeaker module of the present utility model oblique angle structure that gluing seals between module shell and loudspeaker monomer
The glue groove of glue can be stored by putting, when gluing sealing loudspeaker monomer is with module shell at the oblique angle structure, fluid sealant
Water can be partly stored in the glue groove, prevented glue flowing sedimentation, improved the defects of oblique angle structure is not easy to deposit glue, so that
The sealing of oblique angle structure and loudspeaker monomer can be achieved when smearing less glue, reduce glue-spread, improve gluing outward appearance, realize
The seal isolation of the preceding operatic tunes and the rear operatic tunes, the hidden danger of the preceding operatic tunes and rear operatic tunes poor sealing is reduced, lift product yield.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is shown according to a kind of appearance schematic diagram of loudspeaker module specific embodiment of the utility model；
Fig. 2 is shown according to a kind of diagrammatic cross-section of loudspeaker module specific embodiment of the utility model；
Fig. 3 is shown according to a kind of exploded perspective view of loudspeaker module specific embodiment of the utility model；
Fig. 4 shows the enlarged diagram of a-quadrant in Fig. 3；
Fig. 5 is shown according to a kind of internal structure schematic diagram of loudspeaker module specific embodiment of the utility model；
Fig. 6 shows the enlarged diagram of B area in Fig. 5；
Reference：
1st, module shell, 11, module upper casing, 12, module lower casing, 2, loudspeaker monomer, 3, module outlet sound mouth, 4, speak it is logical
Road, 5, boss, 6, oblique angle structure, 7, glue groove, 8, flexible PCB, 9, damping hole, 10, damping fin, 71, horizontal bottom, 72,
First vertical plane, the 73, second vertical plane, the 74, the 3rd vertical plane.
Embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.
Fig. 1 shows to show basis according to a kind of appearance schematic diagram of loudspeaker module specific embodiment of the utility model, Fig. 2
A kind of diagrammatic cross-section of loudspeaker module specific embodiment of the utility model, Fig. 3 show to be raised one's voice according to the utility model one kind
The exploded perspective view of device module specific embodiment, Fig. 4 show the enlarged diagram of a-quadrant in Fig. 3, and Fig. 5 is shown according to this practicality
A kind of internal structure schematic diagram of new loudspeaker module specific embodiment, Fig. 6 show the enlarged diagram of B area in Fig. 5.
In the present embodiment, loudspeaker module includes module shell 1 and is fixed in the cavity that the module shell 1 is formed
Loudspeaker monomer 2, the loudspeaker monomer 2 is upside down in the module shell 1, and the cavity is divided into the preceding operatic tunes and rear sound
Chamber.Loudspeaker module in the present embodiment goes out acoustic form for side, module outlet sound mouth 3 is provided with the module shell 1, before described
The operatic tunes includes the upstream cavity of the face of loudspeaker monomer 2 and the passage 4 of speaking of connection upstream cavity and module outlet sound mouth 3.
Being used for of being further provided with being connected with the side wall of passage 4 of speaking on the module shell 1 supports the loudspeaker
The boss 5 of monomer 2, it is described speak passage 4 and the boss 5 respectively with the loudspeaker monomer 2 by gluing water-stop with close
The operatic tunes before envelope, the passage 4 of speaking need to seal between the cavity of upstream, because the top surface of passage 4 of speaking is higher than the upper surface of boss 5,
Gluing it need to be sealed between the side wall for passage 4 of speaking and the side wall of loudspeaker monomer 2.
Seal for the ease of gluing, formed in described 4 two side walls of passage of speaking close to the side of loudspeaker monomer 2 with raising one's voice
The oblique angle structure 6 of the gluing water-stop of device monomer 2.And then the top surface of the boss 5, the oblique angle structure 6 and it is described speak it is logical
Respectively with the gluing water-stop of loudspeaker monomer 2, the glue bearing areas formed respectively is connected with each other to seal preceding sound the top surface in road 4
Chamber.The upper end of the oblique angle structure 6 preferably extends to the top surface of the passage 4 of speaking, and the lower end of the oblique angle structure 6 is preferred
Ground extends to the top surface of the boss 5, to increase splicing area, improves sealing effectiveness.
The oblique angle structure 6 is provided with the glue groove 7 for accommodating the glue, can be applied in oblique angle structure 6 and loudspeaker monomer 2
When glue seals, when glue, which flows, to be settled, when a part of glue is settled down to the glue groove 7, the glue groove 7 can be stored in
In, prevent glue from continuing to flow downward along oblique angle structure 6, so as to increase the glue quantity at glue groove 7, lift-off seal effect,
The risk that poor sealing causes to leak sound phenomenon is reduced, while a large amount of glue need not be smeared sealing can be achieved, reduces making for glue
Dosage, avoid glue bulk deposition from causing gluing bad order in the top surface of boss 5, while strengthen outside loudspeaker monomer 2 and module
The fixing and bonding force of shell 1.
In the present embodiment, the glue groove 7 includes horizontal bottom 71 and the side formed on the oblique angle structure 6, institute
State glue groove 7 side include with the first vertical plane 72 and the second vertical plane 73 perpendicular to passage 4 of speaking, first vertical plane 72 with
At an angle, the angle can be set larger second vertical plane 73, preferably right angle or obtuse angle.Glue groove 7 sets level
Bottom surface 71, flowing of the glue along oblique angle structure 6 can be hindered, part glue be stored, so as to reduce glue usage amount and improve gluing
Sealing effectiveness.
In the present embodiment, the side of glue groove 7 further comprises being connected with second vertical plane 73 with the oblique angle knot
3rd vertical plane 74 of the inclined of structure 6.3rd vertical plane 74 tilts towards close to the direction of the loudspeaker monomer 2,
The glue quantity of the storage of glue groove 7 can further be increased, the gluing area of increase glue groove 7 and loudspeaker monomer 2, strengthened outside module
The sealing effectiveness and adhesion of shell 1 and loudspeaker monomer 2.As a preferred embodiment, the side of the glue groove 7
It may be configured as including the arc vertical plane vertical with the horizontal bottom 71, it is highly preferred that the side of the glue groove 7 is further wrapped
Include inclined 4th vertical plane of the direction being connected with the arc vertical plane loudspeaker monomer 2.
The glue groove 7, which is formed, is speaking passage 4 at least on the oblique angle structure of side side wall, in the present embodiment, speaks logical
The glue groove 7 is equipped with the oblique angle structure of the both sides side wall of road 4, the glue groove 7 can pass through after the module shell 1 shaping
Grooving processes are formed, also can with the together injection molding of module shell 1, to save processing step.
, can be first in the top surface of boss 5 of the module upper casing 11 when the loudspeaker monomer 2 is fixed with the module upper casing 11
Inner side gluing, then the loudspeaker monomer 2 is inverted and is fixed on the boss 5, outside the top surface for making the loudspeaker monomer 2
The inside edge of lateral edges and the boss 5 seals fixation at gluing, and in the present embodiment, loudspeaker module is spoken for side, is
The preceding operatic tunes of module is sealed, that is, seals speak passage 4 and loudspeaker monomer 2, by being spoken in the outside of loudspeaker monomer 2 to described
Gluing seals between passage 4 and the side wall of the loudspeaker monomer 2, in the top surface of passage 4 and the oblique angle structure 6 of speaking with raising one's voice
The adjoiner difference gluing sealing of device monomer 2, to seal the preceding operatic tunes, ensures the acoustical behavior of loudspeaker module, reduces sealing not
Good, leakage sound possibility, reduces glue-spread, improves gluing outward appearance, lift product yield.
The vibration that the loudspeaker monomer 2 may include monomer shell and be fixed in the cavity that the monomer shell is formed
System and magnetic circuit system, the magnetic circuit system include conductive magnetic yoke, the magnet being arranged in the conductive magnetic yoke and are arranged at described
Magnetic conductive board on magnet, the magnetic circuit system form magnetic gap.The vibrational system includes vibrating diaphragm and combined with the vibrating diaphragm
Voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil is placed in the magnetic gap, and when loudspeaker monomer 2 works, inputing power on the voice coil loudspeaker voice coil, voice coil loudspeaker voice coil exists
Diaphragm oscillations sounding is driven under magnetic circuit system magnetic fields.The loudspeaker module further comprises and the loudspeaker monomer 2
The electrical connector of electrical connection, the electrical connector can be used for conducting voice coil loudspeaker voice coil and external circuit, be easy to external circuit to input electricity to voice coil loudspeaker voice coil
Can, electrical connector uses flexible PCB 8 (FPCB plates) in the present embodiment.
In the present embodiment, the module shell 1 includes the module upper casing 11 and module lower casing 12 being correspondingly arranged, described to raise one's voice
Device monomer 2 is fixed on the module upper casing 11, and the loudspeaker monomer 2 forms the preceding operatic tunes with the module upper casing 11.Formed
Damping hole 9 and the damping fin 10 being covered on the damping hole 9 are further provided with the module lower casing 12 of the operatic tunes afterwards, with balance
The air pressure of the operatic tunes afterwards.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model, for those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in of the present utility model
The row of protection domain.
Claims (10)
1. a kind of loudspeaker module, including module shell and the loudspeaker list that is fixed in the cavity that the module shell is formed
The cavity is divided into the preceding operatic tunes and the rear operatic tunes by body, the loudspeaker monomer, and the module shell is provided with module outlet sound mouth, institute
The operatic tunes includes the upstream cavity of loudspeaker monomer face and the passage of speaking of connection upstream cavity and module outlet sound mouth before stating,
Being used for of being further provided with being connected with the channel side wall of speaking on the module shell supports the loudspeaker monomer
Boss, it is described speak passage and the boss respectively with the loudspeaker monomer by gluing water-stop to seal the preceding operatic tunes, institute
State speak channel side wall close to loudspeaker monomer side formed with the oblique angle structure of loudspeaker monomer gluing water-stop,
Characterized in that, the oblique angle structure is provided with the glue groove for accommodating the glue.
2. loudspeaker module according to claim 1, it is characterised in that the glue groove includes horizontal bottom and side.
3. loudspeaker module according to claim 2, it is characterised in that the horizontal bottom is higher than the top of the boss
Face.
4. loudspeaker module according to claim 2, it is characterised in that the side of the glue groove is included perpendicular to level
The first vertical plane and the second vertical plane of bottom surface.
5. loudspeaker module according to claim 4, it is characterised in that second vertical plane is close to loudspeaker monomer, institute
State inclined 3rd vertical plane of the direction loudspeaker monomer that side further comprises being connected with second vertical plane.
6. loudspeaker module according to claim 2, it is characterised in that the side of the glue groove includes and the level
The arc vertical plane of plane perpendicular.
7. loudspeaker module according to claim 6, it is characterised in that the side of the glue groove further comprises and institute
Arc vertical plane is stated close to inclined 4th vertical plane of the direction loudspeaker monomer that loudspeaker monomer side connects.
8. loudspeaker module according to claim 1, it is characterised in that the glue groove is together noted with the module shell
It is moulded into type or is formed after module shell shaping by grooving processes.
9. loudspeaker module according to claim 1, it is characterised in that the oblique angle structure extends from the boss top surface
To the top surface of the passage of speaking.
10. loudspeaker module according to claim 9, it is characterised in that the top surface of the boss, the oblique angle structure with
And the glue bearing areas that is formed respectively with the gluing water-stop of the loudspeaker monomer of the top surface of the passage of speaking be connected with each other with
The operatic tunes before sealing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721105723.3U CN207184801U (en) | 2017-08-30 | 2017-08-30 | A kind of loudspeaker module |
| PCT/CN2017/102286 WO2019041400A1 (en) | 2017-08-30 | 2017-09-19 | Speaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721105723.3U CN207184801U (en) | 2017-08-30 | 2017-08-30 | A kind of loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184801U true CN207184801U (en) | 2018-04-03 |
Family
ID=61738645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721105723.3U Active CN207184801U (en) | 2017-08-30 | 2017-08-30 | A kind of loudspeaker module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207184801U (en) |
| WO (1) | WO2019041400A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019196138A1 (en) * | 2018-04-12 | 2019-10-17 | 深圳倍声声学技术有限公司 | Armature and receiver |
| WO2022041470A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Sound production device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112468943B (en) * | 2019-09-06 | 2022-04-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker structure and electronic equipment applying same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101552224B1 (en) * | 2013-08-29 | 2015-09-11 | 주식회사 이엠텍 | Microspeaker with side acoustic emission structure and enclosure speaker having the same |
| CN204465843U (en) * | 2015-04-13 | 2015-07-08 | 歌尔声学股份有限公司 | A kind of loud speaker module |
| CN205545903U (en) * | 2016-01-22 | 2016-08-31 | 瑞声光电科技(常州)有限公司 | Novel loudspeaker |
| CN206181361U (en) * | 2016-10-25 | 2017-05-17 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN206433105U (en) * | 2017-01-12 | 2017-08-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN106941651B (en) * | 2017-04-24 | 2023-04-07 | 歌尔股份有限公司 | Loudspeaker module |
-
2017
- 2017-08-30 CN CN201721105723.3U patent/CN207184801U/en active Active
- 2017-09-19 WO PCT/CN2017/102286 patent/WO2019041400A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019196138A1 (en) * | 2018-04-12 | 2019-10-17 | 深圳倍声声学技术有限公司 | Armature and receiver |
| WO2022041470A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019041400A1 (en) | 2019-03-07 |
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