CN109327774A - A kind of speaker housings and its forming method - Google Patents
A kind of speaker housings and its forming method Download PDFInfo
- Publication number
- CN109327774A CN109327774A CN201811466644.4A CN201811466644A CN109327774A CN 109327774 A CN109327774 A CN 109327774A CN 201811466644 A CN201811466644 A CN 201811466644A CN 109327774 A CN109327774 A CN 109327774A
- Authority
- CN
- China
- Prior art keywords
- shell
- connector
- speaker housings
- body part
- acoustic aperture
- 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
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The present invention discloses a kind of speaker housings and its forming method, is related to electro-acoustic product technical field.The speaker housings include: the shell with accommodating chamber；It is formed on the shell and goes out acoustic aperture for sound outgoing；And in conjunction with described in being fixed on go out acoustic aperture at connector；The connector includes body part, and the sound channel for being connected to acoustic aperture out with external environment is formed on the body part；The body part includes the protruding portion for protruding from surface of shell；The connector further includes having the silica gel sheath being formed in for one week on the protruding portion outer wall around the body part；The silica gel sheath and the body part are the integral structure formed by injection molding manner.Speaker housings provided by the invention are formed the connector of integral structure by injection molding first, then fix the connector in conjunction with speaker housings, can be obviously improved the molding yield of silica gel sheath on shell.
Description
Technical field
The present invention relates to electro-acoustic product technical fields.More particularly, to a kind of speaker housings and its forming method.
Background technique
Loudspeaker is the important acoustic element in portable electronic device, for converting electrical energy into sound energy.Loudspeaker can
Think loudspeaker monomer form, or loudspeaker modular form.
By loudspeaker mould group in mobile phone application for, in the prior art, loudspeaker mould group generally comprise shell and
It is contained in the loudspeaker monomer of the enclosure interior, loudspeaker monomer includes vibrational system and magnetic circuit system, is set in loudspeaker mould group
There are the preceding operatic tunes and the rear operatic tunes, the preceding operatic tunes is surrounded by the side of shell face vibrational system with vibrational system jointly, and the rear operatic tunes is by shell
Side of the body far from the preceding operatic tunes surrounds jointly with vibrational system.
In the structure design of loudspeaker mould group, to realize that the sealing of the electronic equipments such as loudspeaker mould group and mobile phone is fixed,
And the acoustic aperture that goes out of loudspeaker mould group is made to be connected with the acoustic aperture of mobile phone, it needs to be molded silica gel sheath on shell in loudspeaker mould group.It is existing
There is silica gel sheath in technology to be directly injection-moulded in mould group on shell.But since structure is complicated for shell in mould group, cause silica gel molding
Yield is low；And in mould group shell ontology size it is larger, one set of die be unable to mass simultaneous die cavity molding silica gel sheath, lead to its production
Low efficiency；Simultaneously include the metal insert of multiple achievable conductings in shell in mould group, thus silica gel sleeve forming it is bad after scrap at
This is higher.
Summary of the invention
The first purpose of this invention is to provide a kind of speaker housings, and the speaker housings of the structure can be mentioned significantly
Rise the molding yield of silica gel sheath on shell.
Second object of the present invention is to provide a kind of forming method of speaker housings as described above, and this method can
Effectively promote the product yield and production efficiency of speaker housings.
In order to achieve the above first purpose, the present invention provides a kind of speaker housings, and the speaker housings include:
Shell with accommodating chamber；It is formed on the shell and goes out acoustic aperture for sound outgoing；And
Go out the connector at acoustic aperture in conjunction with described in being fixed on；
The connector includes body part, is formed on the body part and leads to the sound that acoustic aperture out is connected to external environment
Road；The body part includes the protruding portion for protruding from surface of shell；
The connector further includes having the silica gel sheath being formed in for one week on the protruding portion outer wall around the body part；
The silica gel sheath and the body part are the integral structure formed by injection molding manner.
Preferably, annular relief is formed on the outer wall far from described shell one end of the connector；
The annular relief is extended outward to form or the annular relief by rounding on the outer wall of protruding portion
It rounds and extends outward to form on outer wall by the silica gel sheath.
Preferably, rounding on one end outer wall of the shell for the body part has extended outward extension
Portion；The extension is fixed in conjunction with the shell.
Preferably, the bore edges of speaking are recessed inwardly to form deep gouge, and the extending part is in the deep gouge.
Preferably, the connector is integrally formed by way of injection molding or the connector and institute with the shell
It states to paste between shell by colloid and fix.
Preferably, the shell includes combined first shell, second shell and third shell, the first shell
Body, second shell and third shell surround the accommodating chamber jointly；The acoustic aperture out is formed in the second shell.
Preferably, the speaker housings are loudspeaker module shell or loudspeaker monomer shell.
According to the second object of the invention, the present invention also provides a kind of molding sides of speaker housings as described above
Method, the forming method at least include the following steps:
One penetrates body part described in injection molding；
Two penetrate silica gel sheath described in injection molding on the protruding portion outer wall of the body part, obtain the connection of integral structure
Part；
The connector is combined at fixed acoustic aperture out on the housing.
Preferably, speaking for the shell is fixed on using the connector as insert injection molding by way of injection molding
At hole.
Preferably, the connector colloid paste by way of in conjunction be fixed on the shell go out acoustic aperture at.
Beneficial effects of the present invention are as follows:
Speaker housings provided by the invention form the connector of integral structure, then by connector by injection molding first
It is fixed in conjunction with shell；The connector is internal equipped with sound channel, which can be connected to the preceding operatic tunes and extraneous ring of loudspeaker
The sealed connection of the electronic products such as loudspeaker and mobile phone may be implemented by the connector for border, promote the acoustical behavior of loudspeaker；
Meanwhile the structure and moulding process of the connector are simple, are remarkably improved the molding yield of silica gel sheath on shell；And the connector
It can once batch die cavity form, be obviously improved the production efficiency of speaker housings, reduced the production cost of speaker housings.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows the decomposition texture schematic diagram of loudspeaker mould group in a specific embodiment of the invention.
Fig. 2 shows the overlooking structure diagrams of Fig. 1.
Fig. 3 shows the line A-A cross-sectional view of Fig. 2.
Fig. 4 shows the part flow diagram of loudspeaker housing forming method in a specific embodiment of the invention.
Description of symbols: 11, first shell；12, second shell；13, third shell；14, connector；141, ontology
Portion；1411, protruding portion；1412, extension；142, silica gel sheath；1421, annular relief；2, vibrational system；21, vibrating diaphragm component；
22, voice coil；3, magnetic circuit system；31, magnetic conductive board；32, magnet.
Specific embodiment
In order to illustrate more clearly of the present invention, carry out the various exemplary implementations of detailed description of the present invention below with reference to accompanying drawings
Example.It should also be noted that unless specifically stated otherwise, positioned opposite, the number of the component and step that otherwise illustrate in these embodiments
Word expression formula and numerical value do not limit the scope of the invention.It is to the description only actually of at least one exemplary embodiment below
It is illustrative, never as to the present invention and its application or any restrictions used.For person of ordinary skill in the relevant
The technology and equipment known may be not discussed in detail, but in the appropriate case, and the technology and equipment should be considered as specification
A part.It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.It should also be noted that similar label and
Letter indicates similar terms in following attached drawing, therefore, once it is defined in a certain Xiang Yi attached drawing, then in subsequent attached drawing
In do not need that it is further discussed.
In the prior art, directly injection molding forms silica gel sheath generally on loudspeaker housing, electric by silica gel sheath and mobile phone etc.
The sealed connection of loudspeaker and electronic product is realized in the cooperation between plastic cement pipeline on sub- product.But due to speaker cover
Structure is complicated for body, causes the molding yield of silica gel sheath and production efficiency low, increases the production cost of loudspeaker indirectly.It is based on
Problems of the prior art, the present invention provide a kind of speaker housings and its forming method.
Specifically, it is described in detail with reference to the accompanying drawings and examples.Fig. 1 shows in a specific embodiment of the invention and raises
The decomposition texture schematic diagram of sound device mould group.Fig. 2 shows the overlooking structure diagrams of Fig. 1.Fig. 3 shows the line A-A cross-sectional view of Fig. 2.
Fig. 4 shows the part flow diagram of loudspeaker housing forming method in a specific embodiment of the invention.
As Figure 1-Figure 4, the present invention provides a kind of speaker housings, and the speaker housings include: with accommodating chamber
Shell；It is formed on the shell and goes out acoustic aperture for sound outgoing；And in conjunction with described in being fixed on go out acoustic aperture at connector
14；
The connector 14 includes body part 141, is formed on the body part 141 and is connected to acoustic aperture out with external environment
Sound channel；The body part 141 includes the protruding portion 1411 for protruding from surface of shell；
The connector 14 further includes having to be formed within 141 1 weeks on 1411 outer wall of protruding portion around the body part
Silica gel sheath 142；The silica gel sheath 142 and the body part 141 are the integral structure formed by injection molding manner.
Speaker housings provided by the invention form the connector 14 of integral structure by being molded, inside the connector 14
Containing sound channel, which is connected to the acoustic aperture for going out acoustic aperture and mobile phone of loudspeaker, that is, has been connected to the preceding operatic tunes of loudspeaker and outer
The sealed connection of the electronic equipments such as loudspeaker and mobile phone may be implemented by the connector 14 for boundary's environment；With it is straight in the prior art
It connects the injection molding silica gel sheath 142 on loudspeaker housing to compare, the structure and moulding process of the connector 14 are simple, can significantly mention
The molding yield of silica gel sheath 142 on high shell；And the connector 14 can once batch die cavity form, and be obviously improved loudspeaker
The production efficiency of shell reduces the production cost of speaker housings.
In this preferred embodiment, in order to realize that the sealing of loudspeaker and electronic equipment is fixed, prevent loudspeaker from existing
It falls off from electronic product in assembling or use process, is formed on the outer wall far from described shell one end of the connector 14
Annular relief 1421；The annular relief 1421 rounds on the outer wall by the silica gel sheath 142 and extends outward to form,
Forming the annular relief 1421 by the end position of the separate shell close to body part 141 is optimal embodiment.It should
The setting of annular relief 1421, it is ensured that the airtightness of the operatic tunes before loudspeaker mould group prevents from connecting with electronic equipments such as mobile phones
Leakage voice phenomenon occurs during connecing, causes speaker performance bad.It will be appreciated by persons skilled in the art that the annular
Lug boss 1421 can also round on the outer wall by the protruding portion 1411 and extend outward to form.It should be noted that this
When electronic equipment on the connector 14 be cooperatively connected structure, material is preferably deformable soft material, in order to raise
The connector 14 of sound device is assembled.
As shown in Figure 3 and Figure 4, in the preferred embodiment, outside one end of the close shell of the body part 141
It rounds on wall and has extended outward extension 1412；The connector 14 passes through the extension 1412 and the shell knot
It closes and fixes.It is further preferred that the bore edges of speaking are recessed inwardly to form deep gouge, the extension 1412 is located at the deep gouge
Interior, the top surface of the extension 1412 flushes setting with the top surface of the shell.This structure type is conducive in the horizontal direction
On positioned, convenient for the assembly of loudspeaker, the profile pattern and aesthetics of shell can be guaranteed by flushing setting.
Preferably, it is integrally formed by way of injection molding between connector 14 described in present embodiment and the shell,
The forming method is simple, and fixing intensity is high, is conducive to the integration of loudspeaker housing.It should be noted that those skilled in the art
Member also can use colloid and the connector 14 and the shell pasted fixation, or using other fixing means, this hair
It is bright not do further limitation to this.
Further, as shown in Figure 1, shell described in present embodiment includes combined first shell 11,
Two shells 12 and third shell 13, the first shell 11, second shell 12 and third shell 13 surround the accommodating chamber jointly；
It is described go out acoustic aperture be formed in the second shell 12, the connector 1414 in conjunction be fixed in the second shell 12 go out
At acoustic aperture.
Above-mentioned speaker housings provided by the invention both can be applied in loudspeaker mould group, and also can be applied to loudspeaking
In device monomer.When being applied to loudspeaker monomer, the loudspeaker monomer includes: speaker housings as described above, Yi Jishou
The vibrational system and magnetic circuit system being dissolved in the accommodating chamber.The speaker housings are monomer shell, the connector at this time
14 bind directly at the acoustic aperture out for being fixed on loudspeaker monomer, for being sealed fixation between electronic equipment.
This preferred embodiment provides a kind of loudspeaker mould group including the speaker housings, as shown in Figure 1, described raise
Sound device mould group further includes the loudspeaker monomer being contained in the accommodating chamber.At this point, the first shell 11,12 and of second shell
Third shell 13 respectively corresponds mould group upper casing, shell and mould group lower casing in mould group, it is described go out acoustic aperture be formed in mould group on shell, it is described
Connector 14, which combines, to be fixed in mould group at the acoustic aperture out of shell.Wherein, mould group lower casing is filled by the conductive magnetic yoke in magnetic circuit system 3
When can be formed by metal material, the higher steel of preferred intensity, to provide support for loudspeaker mould group.
The loudspeaker monomer includes vibrational system 2 and magnetic circuit system 3.In optionally embodiment, in vibrational system 2
Vibrating diaphragm component 21 may include vibrating diaphragm central part and the vibrating diaphragm that is connect with vibrating diaphragm central part edge positioned at vibrating diaphragm center
Vibrating diaphragm body part 141 is collectively formed in edge part.In order to increase the vibration characteristics of vibrating diaphragm, usual vibrating diaphragm central part includes in ontology
Center portion and the reinforcement central part for being incorporated in body central portion surface.In order to mitigate vibrating diaphragm weight, vibrating diaphragm vibration is further increased
Dynamic performance, can be by the central hollow out in body central portion.Wherein, the hollow out edge in body central portion need to be located at fixation in connection
The inside at reinforcement central part edge guarantees that fretwork area is less than the area for the reinforcement central part being bonded with it, to guarantee vibrating diaphragm
Air-tightness.
In optionally embodiment, magnetic circuit system 3 is formed with magnetic gap, and voice coil 22 is suspended at magnetic far from one end of vibrating diaphragm
In gap.The magnetic circuit system 3 may include conductive magnetic yoke (conductive magnetic yoke can be simultaneously as mould group lower casing), be fixed in conductive magnetic yoke
Magnet 32 and magnetic conductive board 31 positioned at magnet upper surface.In the present embodiment, in order to which the magnetic field for increasing the formation of magnetic circuit system 3 is strong
Degree, centring magnet and the formation center magnetic path of magnetic conductive board 31 is arranged using at the center of conductive magnetic yoke in magnetic circuit system 3, on the side of conductive magnetic yoke
Multiple side magnet are arranged in edge, form side magnetic circuit, to form the magnetic gap for accommodating voice coil 22 between center magnetic path and side magnetic circuit.It leads
Magnetic yoke is generally rectangular, when magnet may be provided at the four of conductive magnetic yoke, can also be positioned only at two opposite long sides of conductive magnetic yoke or
The conductive magnetic yoke edge of short side, not set side magnet can extend vertically to form side wall relative to conductive magnetic yoke, and side magnetic circuit and side wall are common
Magnetic gap is formed with center magnetic path.In other embodiments, the conductive magnetic yoke may also include flat bottom wall and along bottom wall
The side wall that edge extends towards vibrational system 2.It is formed and is accommodated under voice coil 22 between the side wall and magnet and magnetic conductive board 31 of conductive magnetic yoke
The magnetic gap at end.
On the other hand, the present invention also provides a kind of forming method of speaker housings as described above, the forming methods
It at least includes the following steps:
One penetrates body part 141 described in injection molding；
Two penetrate silica gel sheath 142 described in injection molding on 1411 outer wall of protruding portion of the body part 141, obtain integrated knot
The connector 14 of structure；
The connector 14 is combined at fixed acoustic aperture out on the housing.
The forming method of speaker housings provided by the invention first passes through the connector 14 that injection molding forms integral structure, so
Afterwards again by the connector 14 and shell secure bond；The structure and moulding process of the connector 14 are simple, are remarkably improved shell
The molding yield of upper silica gel sheath 142；And the connector 14 can once batch die cavity form, and be obviously improved speaker housings
Production efficiency reduces the production cost of speaker housings.
In this preferred embodiment, the connector 14 is fixed as insert injection molding by the method for injection molding
In going out at acoustic aperture for the shell, the forming method is simple, and fixing intensity is high, is conducive to the integration of loudspeaker housing.Another
In some embodiments, the connector 14 can also be gone out acoustic aperture in conjunction be fixed on the shell by method that glue is pasted
Place, or using other fixing means, the present invention does not do further limitation to this.
It will be appreciated by persons skilled in the art that the forming method of speaker housings further includes forming loudspeaking in the present invention
The step of shell of device shell is conventional method in that art, and details are not described herein by the present invention.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (10)
1. a kind of speaker housings, which is characterized in that the speaker housings include:
Shell with accommodating chamber；It is formed on the shell and goes out acoustic aperture for sound outgoing；And
Go out the connector at acoustic aperture in conjunction with described in being fixed on；
The connector includes body part, and the sound channel for being connected to acoustic aperture out with external environment is formed on the body part；Institute
Stating body part includes the protruding portion for protruding from surface of shell；
The connector further includes having the silica gel sheath being formed in for one week on the protruding portion outer wall around the body part；
The silica gel sheath and the body part are the integral structure formed by injection molding manner.
2. speaker housings according to claim 1, which is characterized in that separate described shell one end of the connector
Annular relief is formed on outer wall；
The annular relief is extended outward to form or the annular relief is by institute by rounding on the outer wall of protruding portion
It states to round on the outer wall of silica gel sheath and extend outward to form.
3. speaker housings according to claim 1, which is characterized in that one end close to the shell of the body part
It rounds on outer wall and has extended outward extension；The connector is fixed in conjunction with the shell by the extension.
4. speaker housings according to claim 3, which is characterized in that the bore edges of speaking be recessed inwardly to be formed it is heavy
Slot, the extending part is in the deep gouge.
5. speaker housings according to claim 1, which is characterized in that the connector and the shell pass through injection molding
Mode be integrally formed or the connector and the shell between by colloid paste fix.
6. speaker housings according to claim 1, which is characterized in that the shell includes combined first shell
Body, second shell and third shell, the first shell, second shell and third shell surround the accommodating chamber jointly；It is described
Acoustic aperture is formed in the second shell out.
7. speaker housings according to claim 1, which is characterized in that the speaker housings are loudspeaker module shell
Or loudspeaker monomer shell.
8. a kind of forming method of speaker housings as described in claim 1, which is characterized in that the forming method at least wraps
Include following steps:
One penetrates body part described in injection molding；
Two penetrate silica gel sheath described in injection molding on the protruding portion outer wall of the body part, obtain the connector of integral structure；
The connector is combined at fixed acoustic aperture out on the housing.
9. forming method according to claim 8, which is characterized in that using the connector as embedding by way of injection molding
Part injection molding is fixed at the acoustic aperture out of the shell.
10. forming method according to claim 8, which is characterized in that connector knot in such a way that colloid is pasted
It closes and is fixed at the acoustic aperture out of the shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466644.4A CN109327774A (en) | 2018-12-03 | 2018-12-03 | A kind of speaker housings and its forming method |
| PCT/CN2018/125562 WO2020113741A1 (en) | 2018-12-03 | 2018-12-29 | Speaker outer housing and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466644.4A CN109327774A (en) | 2018-12-03 | 2018-12-03 | A kind of speaker housings and its forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109327774A true CN109327774A (en) | 2019-02-12 |
Family
ID=65255990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811466644.4A Pending CN109327774A (en) | 2018-12-03 | 2018-12-03 | A kind of speaker housings and its forming method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109327774A (en) |
| WO (1) | WO2020113741A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062023A1 (en) * | 2020-09-28 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Electronic device |
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|---|---|---|---|---|
| CN103297904A (en) * | 2013-05-18 | 2013-09-11 | 歌尔声学股份有限公司 | Double-vibrating-diaphragm speaker module |
| CN103618984A (en) * | 2013-12-09 | 2014-03-05 | 歌尔声学股份有限公司 | Loudspeaker module and manufacturing method thereof |
| CN205510154U (en) * | 2016-04-13 | 2016-08-24 | 广东欧珀移动通信有限公司 | Mobile terminal |
| CN108924718A (en) * | 2018-10-12 | 2018-11-30 | 歌尔股份有限公司 | Loudspeaker mould group |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203788454U (en) * | 2014-03-18 | 2014-08-20 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN203912184U (en) * | 2014-05-30 | 2014-10-29 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN203984667U (en) * | 2014-06-25 | 2014-12-03 | 歌尔声学股份有限公司 | Microspeaker |
| CN108810762B (en) * | 2018-06-29 | 2020-05-19 | 歌尔股份有限公司 | Loudspeaker and loudspeaker module |
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2018
- 2018-12-03 CN CN201811466644.4A patent/CN109327774A/en active Pending
- 2018-12-29 WO PCT/CN2018/125562 patent/WO2020113741A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297904A (en) * | 2013-05-18 | 2013-09-11 | 歌尔声学股份有限公司 | Double-vibrating-diaphragm speaker module |
| US20160119718A1 (en) * | 2013-05-18 | 2016-04-28 | Goertek Inc. | Double-vibrating-diaphragm loudspeaker module |
| CN103618984A (en) * | 2013-12-09 | 2014-03-05 | 歌尔声学股份有限公司 | Loudspeaker module and manufacturing method thereof |
| CN205510154U (en) * | 2016-04-13 | 2016-08-24 | 广东欧珀移动通信有限公司 | Mobile terminal |
| CN108924718A (en) * | 2018-10-12 | 2018-11-30 | 歌尔股份有限公司 | Loudspeaker mould group |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022062023A1 (en) * | 2020-09-28 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020113741A1 (en) | 2020-06-11 |
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Application publication date: 20190212 |