CN105657621B - A kind of loudspeaker assembly and mobile terminal - Google Patents
A kind of loudspeaker assembly and mobile terminal Download PDFInfo
- Publication number
- CN105657621B CN105657621B CN201610189015.6A CN201610189015A CN105657621B CN 105657621 B CN105657621 B CN 105657621B CN 201610189015 A CN201610189015 A CN 201610189015A CN 105657621 B CN105657621 B CN 105657621B
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- CN
- China
- Prior art keywords
- loudspeaker
- cavity
- film
- vibrating diaphragm
- 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.)
- Expired - Fee Related
Links
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- 239000010408 film Substances 0.000 description 52
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- JAYCNKDKIKZTAF-UHFFFAOYSA-N 1-chloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1Cl JAYCNKDKIKZTAF-UHFFFAOYSA-N 0.000 description 2
- 101100084627 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pcb-4 gene Proteins 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The invention discloses a kind of loudspeaker assembly and mobile terminal, the loudspeaker assembly includes：Loudspeaker and the housing for accommodating the loudspeaker, the housing are hollow cavity, and offering first on its roof goes out acoustic aperture；The vibrating diaphragm for producing sound wave is embedded with the top of the loudspeaker, described first speaks hole position in the top of the vibrating diaphragm；The housing is separated into the first cavity and the second cavity separated each other by the vibrating diaphragm, and first cavity is closed cavity, and described first speaks hole position in second cavity；The loudspeaker assembly also includes being used for the first film for receiving the sound wave, formed with a closed vibration cavity between the first film and the loudspeaker.Above-mentioned loudspeaker assembly can lift the bass and loudness of loudspeaker, preferably improve audio.
Description
Technical field
The present invention relates to loudspeaker field, more particularly to a kind of loudspeaker assembly and mobile terminal.
Background technology
In recent years, with the continuous development of the intelligent terminals such as mobile phone, tablet personal computer, termination function is also increasingly perfect, for example,
User can be carried out video-see by terminal, listen to the multinomial recreation such as music or voice-enabled chat, be greatly enriched
The life of people.
Current mobile phone, sound-electric conversion is typically realized by the enclosed loudspeaker module of sound chamber after setting.This is raised one's voice
Device module generally include loudspeaker monomer and around loudspeaker monomer set shell, the loudspeaker monomer include be provided with vibrating diaphragm and
The vibrational system of voice coil loudspeaker voice coil and the magnetic circuit system for forming the magnetic gap for housing voice coil loudspeaker voice coil, are formed mutual between vibrating diaphragm and shell
The preceding sound chamber and rear sound chamber, preceding sound chamber of separation connect with the acoustic aperture that goes out on shell, the cavity sealing of rear sound chamber.
During work, voice coil loudspeaker voice coil drives diaphragm oscillations sounding, and the sound is mainly transmitted by two paths, before vibrating diaphragm
A part of sound by preceding sound chamber and go out acoustic aperture enter it is extraneous, so as to be heard by human ear, and the sound at the vibrating diaphragm back side then conduct into
Enter rear sound chamber, but because preceding sound cavity space is limited, then the sound of sound intracavitary can not spread out of again, cause the low of mobile phone speaker
Sound tonequality and loudness are poor, have a strong impact on playback.
The content of the invention
It is an object of the invention to provide a kind of loudspeaker assembly and mobile terminal, to solve the loudspeaker in existing mobile phone
The poor technical problem of component bass effect.
In order to solve the above technical problems, the embodiment of the present invention provides following technical scheme：
A kind of loudspeaker assembly, it includes：
Loudspeaker and the housing for accommodating the loudspeaker, the housing are hollow cavity, are offered on its roof
First goes out acoustic aperture；It is embedded with the vibrating diaphragm for producing sound wave at the top of the loudspeaker, the described first hole position of speaking is shaken in described
The top of film；The housing is separated into the first cavity and the second cavity separated each other by the vibrating diaphragm, and first cavity is
Closed cavity, described first speaks hole position in second cavity；The loudspeaker assembly also includes being used to receive the sound
The first film of ripple, formed with a closed vibration cavity between the first film and the loudspeaker.
Further, the first film is located in second cavity, for receiving the sound wave in second cavity.
Further, the first film is fixed on the top surface of the housing, and goes out positioned at described first above acoustic aperture, institute
State vibration cavity and go out the closed cavity surrounded between acoustic aperture and the first film for the vibrating diaphragm, first.
Further, the loudspeaker assembly also includes being used for the seal for sealing first cavity, the seal
And the first film is folded between the top surface of the loudspeaker and the roof of the housing.
Further, the first film is folded between the seal and the roof, and the vibration cavity is institute
State the closed cavity surrounded between vibrating diaphragm, seal and the first film.
Further, the first film is folded between the top surface and seal of the loudspeaker, the vibration cavity
The closed cavity surrounded between the vibrating diaphragm and the first film.
Further, the top longitudinal section of the loudspeaker is spill.
Further, second be further opened with the roof in first cavity goes out acoustic aperture；Described first is thin
Film is located in first cavity, goes out acoustic aperture for sealing described second, and the first film is received in first cavity
Sound wave；The vibration cavity is first cavity.
Further, described second go out acoustic aperture and the first film be equipped with it is multiple.
Further, the loudspeaker assembly also includes being used to seal the described first the second film for going out acoustic aperture, and described the
Two films are located in second cavity, for receiving the sound wave in second cavity.
In order to solve the above technical problems, the embodiment of the present invention also provides following technical scheme：
A kind of mobile terminal, the mobile terminal include the loudspeaker assembly described in above-mentioned any one.
Loudspeaker assembly of the present invention, by setting top to be embedded with the loudspeaker of vibrating diaphragm and accommodating the shell of loudspeaker
Body and for receiving the first film of sound wave caused by vibrating diaphragm, and make to be formed between the first film and loudspeaker one it is closed
Vibration cavity, the bass and loudness of loudspeaker can be lifted, preferably improve audio.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that the embodiment of the present invention is described in detail, technical scheme will be made
And other beneficial effects are apparent.
Fig. 1 is the structural representation for the loudspeaker assembly that first embodiment of the invention provides.
Fig. 2 is the structural representation for the loudspeaker assembly that second embodiment of the invention provides.
Fig. 3 is the structural representation for the loudspeaker assembly that third embodiment of the invention provides.
Fig. 4 is the structural representation for the loudspeaker assembly that fourth embodiment of the invention provides.
Fig. 5 is the structural representation for the loudspeaker assembly that fifth embodiment of the invention provides.
Embodiment
For technical problems, technical solutions and advantages to be solved are more clearly understood, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, the loudspeaker assembly of first embodiment of the invention offer has been described in detail in Fig. 1, it includes loudspeaker 1
And for accommodating the housing 2 of the loudspeaker 1, the housing 2 is hollow cavity, offering first on its roof 21 goes out acoustic aperture 211.
The top of the loudspeaker 1 is embedded with the vibrating diaphragm (not shown) for producing sound wave, and this first goes out acoustic aperture 211 and be located at the vibrating diaphragm
Top.The housing 2 is separated into the first cavity A and the second cavity B separated each other by the vibrating diaphragm, and first cavity A is closed
Cavity, this first goes out acoustic aperture 211 and is located in second cavity B.The loudspeaker assembly also includes being used to receive the first of the sound wave
Film 3, formed with a closed vibration cavity between the first film 3 and the loudspeaker 1.
In the present embodiment, the vibrating diaphragm and the first film 3 can use the materials such as polyethylene or polypropylene to be made.The loudspeaker
Component can also include flexible PCB 4, and the loudspeaker 1 can also include magnet steel (not shown), voice coil loudspeaker voice coil (does not show in figure
Go out) and metal clips 11, the magnet steel be embedded at the bottom of the loudspeaker 1, the metal clips 11 is by the magnet steel and the flexible electrical
Road plate 4 is electrically connected.
During work, it is powered by flexible PCB 4 to magnet steel, the electricity of respective change is produced according to the power and frequency of electric current
Magnetic field, the electromagnetic field of the change makes voice coil loudspeaker voice coil produce vibration, and then drives vibrating diaphragm to move up and down and produce sound wave.The sound wave mainly passes through
Two path is transmitted：Sound wave before vibrating diaphragm goes out acoustic aperture 211 via the second cavity B and first and transmits ear into people
Piece；Sound wave behind vibrating diaphragm is then sent in the first cavity A, and because the barrier of closed cavity wall in first cavity A is made
With, therefore the sound wave of this part can not be delivered to human ear.
During sound wave before vibrating diaphragm is transmitted, due to the acoustic wave segment leave it is rapid outwardly empty after vibrating diaphragm
Between dissipate, small-signal sound wave is easily fallen by air damping, so as to cause low-frequency effect poor, for as far as possible lifted loudspeaker 1
Low-frequency effect, can make the sound wave before the vibrating diaphragm transmitted via the first film 3 after again to external radiation, that is, this
One film 3 is located in the second cavity B, for receiving the sound wave in second cavity B.This setup makes vibrating diaphragm and the second chamber
Body B is connected by the first film 3, using acoustic resistance coupling mechanism, makes sound wave indirec radiation, and bass tonequality and sound are improved so as to reach
The purpose of degree, improve low-frequency effect.
Specifically, the first film 3 is fixed on the top surface of the housing 2, and first go out the top of acoustic aperture 211 positioned at this, this shakes
Dynamic cavity is the vibrating diaphragm, first goes out between acoustic aperture 211 and the first film 3 closed cavity surrounded.When diaphragm oscillations generation sound
During ripple, after sound wave before vibrating diaphragm is delivered to the first film 3 via vibration cavity, by the first film 3 to external radiation.
Preferably, the first film 3 can be fixed on the top surface of the housing 2 by way of bonding.
In the present embodiment, to avoid first from going out poor sealing between the cavity A of acoustic aperture 211 and first, the loudspeaker assembly is also
It can include being used for the seal 5 for sealing first cavity A, the seal 5 and the first film 3 are folded in the loudspeaker 1
Top surface and the housing 2 roof 21 between.Now, the vibration cavity be the vibrating diaphragm, first go out acoustic aperture 211, seal 5 and
The confined space surrounded between the first film 3.Preferably, the seal 5 can be fixed on loudspeaker 1 by way of bonding
Top surface.
Preferably, set-up mode of the first film 3 in the second cavity B is not limited to the first film 3 being arranged at
First goes out the top of acoustic aperture 211, and it can also be arranged on first and go out the lower section of acoustic aperture 211, and specific set-up mode refers to Fig. 2 and Fig. 3.
Referring to Fig. 2, the loudspeaker assembly of second embodiment of the invention offer has been described in detail in Fig. 2, wherein, this is first thin
Film 3 is folded between the seal 5 and the roof 21, and the vibration cavity is between the vibrating diaphragm, seal 5 and the first film 3
The closed cavity surrounded.
Referring to Fig. 3, the loudspeaker assembly of third embodiment of the invention offer has been described in detail in Fig. 3, wherein, this is first thin
Film 3 is folded between the top surface of the loudspeaker 1 and seal 5, what the vibration cavity surrounded between the vibrating diaphragm and the first film 3
Closed cavity.Preferably, the top longitudinal section of the loudspeaker 1 is spill, with ensure the vibrating diaphragm of the loudspeaker and the first film 3 it
Between enough vibration gaps be present.
It should be noted that above-mentioned three kind set-up mode of the first film 3 in the second cavity B can not only be carried preferably
The bass tonequality and audio of high loudspeaker 1, and can also prevent the water in the external world and dust from going out the entrance of acoustic aperture 211 by first and raising one's voice
Inside device 1, play a part of water proof and dust proof.
In addition, to reach the purpose of raising loudspeaker bass audio, the first film 3 is not limited to be arranged on the second cavity
In B, bass audio (specific set-up mode may be referred to above-described embodiment one, two and three) is improved by acoustic resistance coupling mechanism,
It can also be arranged in the first cavity A, improve bass audio by improving sound wave utilization rate.
Specifically, during sound wave transmits, because the sound wave behind vibrating diaphragm can not pass through the first closed chamber
Body A is delivered to human ear, therefore generally this acoustic wave segment is not used, so as to cause the lower frequency limit of whole sound system compared with
Height, bass effect are poor.To improve the utilization rate of this acoustic wave segment, the first film 3 can be arranged in the first cavity A,
To receive the sound wave that this is located at behind vibrating diaphragm, first cavity A is set to form a passive radiator.The passive radiator vibrates
Caused radiative acoustic wave and the sound wave before vibrating diaphragm are in working condition in the same direction, by using the air in the first cavity A
The genial passive radiator the form of quality resonance of complex sound collectively formed with housing 2, so as to strengthen bass loudness, improve bass
Audio, its implementation can be as follows：
Referring to Fig. 4, Fig. 4 describes the loudspeaker assembly of fourth embodiment of the invention offer, the loudspeaker assembly and reality
The difference for applying example one, embodiment two and embodiment three is：It is further opened with the roof 21 in first cavity A
Second goes out acoustic aperture 212.The first film 3 is located in first cavity A, second goes out acoustic aperture 212 for sealing this, and this is first thin
Film 3 receives the sound wave in first cavity A, and now, the vibration cavity is first cavity A.Preferably, the first film 3 can
With installed in second surface or underface for going out acoustic aperture 212.This second goes out acoustic aperture 212 and the first film 3 and can set
Have multiple.
During sound wave transmits, when the sound wave behind vibrating diaphragm is sent in the first cavity A, first can be caused
The vibration of air in cavity A, the vibration are further driven to the first film 3 and moved up and down, so as to produce and before vibrating diaphragm
Sound wave is in the radiative acoustic wave of working condition in the same direction, and the radiative acoustic wave and the sound wave before vibrating diaphragm are outwards propagated together, shape
Into resonance, bass loudness is effectively enhanced.
Preferably, loudspeaker assembly of the present invention is not limited to above-described embodiment one to example IV, and it can be with
It is other embodiment, such as can is combination of the example IV respectively with embodiment one, embodiment two and embodiment three.
Preferably, referring to Fig. 5, the loudspeaker assembly of fifth embodiment of the invention offer has been described in detail in Fig. 5, this is raised one's voice
Device assembly and example IV the difference is that only：The loudspeaker assembly, which can also include being used for sealing this, first goes out acoustic aperture
211 the second film 6, second film 6 are located in second cavity B, for receiving the sound wave in second cavity B.Specifically
, second film 6 is fixed on the top surface of housing 2, and goes out the top of acoustic aperture 211 positioned at first.Preferably, second film 6 can
To be made of materials such as polyethylene or polypropylene, second film 6 can be fixed on the top of housing 2 by way of bonding
Face.
It is easily understood that mounting means of second film 6 in the second cavity B is not limited in above-described embodiment five
Second film 6 is gone out into the top of acoustic aperture 211 installed in first, it can also be other modes, specifically may be referred to the He of embodiment two
Mounting means of the first film 3 in the second cavity B, will not be described in great detail herein in embodiment three.
In addition, the embodiment of the present invention also provides a kind of mobile terminal, the mobile terminal includes any one above-mentioned loudspeaker
Component.Preferably, the mobile terminal can be the electronic products such as mobile phone, tablet personal computer and notebook computer.
From the foregoing, loudspeaker assembly and mobile terminal described in the embodiment of the present invention, by setting top to be embedded with
The loudspeaker 1 of vibrating diaphragm makes with the housing 2 for accommodating loudspeaker 1 and for receiving the first film 3 of sound wave caused by vibrating diaphragm
A closed vibration cavity is formed between the first film 3 and loudspeaker 1, the bass and loudness of loudspeaker 1 can be lifted, preferably
Improve audio.
A kind of loudspeaker assembly and mobile terminal provided above the embodiment of the present invention is described in detail, herein
In apply specific case to the present invention principle and embodiment be set forth, the explanation of above example is only intended to help
Assistant solves the method and its core concept of the present invention；Meanwhile for those skilled in the art, according to the thought of the present invention,
There will be changes in embodiment and application, in summary, this specification content should not be construed as to this hair
Bright limitation.
Claims (4)
- A kind of 1. loudspeaker assembly, it is characterised in that including：Loudspeaker and the housing for accommodating the loudspeaker, it is described Housing is hollow cavity, first is offered on its roof goes out acoustic aperture and second and go out acoustic aperture；Use is embedded with the top of the loudspeaker In the vibrating diaphragm for producing sound wave, described first speaks hole position in the top of the vibrating diaphragm；The housing is separated into that by the vibrating diaphragm The first cavity and the second cavity of this separation, first cavity is closed cavity, and described first speaks hole position in described second In cavity, described second speaks hole position in first cavity；The loudspeaker assembly also includes being used to receive described first The first film of chamber sound in the body, the second film and flexible PCB for receiving the second chamber sound in the body, described One film goes out acoustic aperture for sealing described second, and positioned at the described second lower section for going out acoustic aperture, its shape between the loudspeaker Cheng Youyi closed vibration cavitys；Second film goes out acoustic aperture for sealing described first, and is spoken positioned at described first The top in hole；The loudspeaker also includes metal clips, the metal clips be folded in the loudspeaker and flexible PCB it Between.
- 2. loudspeaker assembly according to claim 1, it is characterised in that the top longitudinal section of the loudspeaker is spill.
- 3. loudspeaker assembly according to claim 1, it is characterised in that described second goes out acoustic aperture and the first film is equipped with It is multiple.
- 4. a kind of mobile terminal, it is characterised in that the mobile terminal includes raising as described in any one in claim 1-3 Sound device assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189015.6A CN105657621B (en) | 2016-03-29 | 2016-03-29 | A kind of loudspeaker assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189015.6A CN105657621B (en) | 2016-03-29 | 2016-03-29 | A kind of loudspeaker assembly and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105657621A CN105657621A (en) | 2016-06-08 |
| CN105657621B true CN105657621B (en) | 2017-11-28 |
Family
ID=56495856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610189015.6A Expired - Fee Related CN105657621B (en) | 2016-03-29 | 2016-03-29 | A kind of loudspeaker assembly and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105657621B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756903A (en) * | 2020-07-01 | 2020-10-09 | 维沃移动通信有限公司 | Speaker assembly and electronic device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128373A1 (en) * | 2019-12-28 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Speaker module and terminal device |
| CN113873365B (en) * | 2021-10-11 | 2024-08-30 | 歌尔科技有限公司 | Sound box |
| CN116193331A (en) * | 2021-11-29 | 2023-05-30 | 北京小米移动软件有限公司 | Sounding module and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413392A (en) * | 2010-09-26 | 2012-04-11 | 联想(北京)有限公司 | Portable electronic equipment |
| CN203368735U (en) * | 2013-05-08 | 2013-12-25 | 歌尔声学股份有限公司 | Flat plate type bass loudspeaker and electronic device employing the same |
| CN104768088A (en) * | 2015-03-18 | 2015-07-08 | 歌尔声学股份有限公司 | Loudspeaker module and electronic product |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201611942U (en) * | 2010-01-29 | 2010-10-20 | 中山市天键电子工业有限公司 | Waterproof earphone |
| JP2013138416A (en) * | 2011-11-30 | 2013-07-11 | Ube Ind Ltd | Speaker unit |
| CN202773037U (en) * | 2012-09-07 | 2013-03-06 | 广东欧珀移动通信有限公司 | Waterproof electronic product |
-
2016
- 2016-03-29 CN CN201610189015.6A patent/CN105657621B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102413392A (en) * | 2010-09-26 | 2012-04-11 | 联想(北京)有限公司 | Portable electronic equipment |
| CN203368735U (en) * | 2013-05-08 | 2013-12-25 | 歌尔声学股份有限公司 | Flat plate type bass loudspeaker and electronic device employing the same |
| CN104768088A (en) * | 2015-03-18 | 2015-07-08 | 歌尔声学股份有限公司 | Loudspeaker module and electronic product |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756903A (en) * | 2020-07-01 | 2020-10-09 | 维沃移动通信有限公司 | Speaker assembly and electronic device |
| CN111756903B (en) * | 2020-07-01 | 2022-05-20 | 维沃移动通信有限公司 | Speaker assembly and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105657621A (en) | 2016-06-08 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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