CN106851504A - Electroacoustic component, electroacoustic device and mobile terminal - Google Patents
Electroacoustic component, electroacoustic device and mobile terminal Download PDFInfo
- Publication number
- CN106851504A CN106851504A CN201710152601.8A CN201710152601A CN106851504A CN 106851504 A CN106851504 A CN 106851504A CN 201710152601 A CN201710152601 A CN 201710152601A CN 106851504 A CN106851504 A CN 106851504A
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- China
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- electroacoustic
- framework
- vibrating diaphragm
- actuator
- acoustic aperture
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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)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a kind of electroacoustic component, electroacoustic device and mobile terminal, the electroacoustic component includes framework, vibrating diaphragm and drive component, the framework has the inner circumferential side wall that outer peripheral sidewall and relatively described outer peripheral sidewall are set, and be provided with and go out acoustic aperture through the outer peripheral sidewall and the inner circumferential side wall, the periphery of the vibrating diaphragm is circumferentially fixedly connected the framework, the drive component includes being fixed on the first actuator of the vibrating diaphragm and is fixed on the second actuator of the framework, first actuator can second actuator vibration relatively, to drive the diaphragm oscillations to send sound wave, and cause that the sound wave goes out acoustic aperture described in.Due to it is described go out acoustic aperture be not oppositely arranged with vibrating diaphragm, so that the framework need not provide acoustic space away from the vibrating diaphragm side, that is, save and use space, and acoustic resistance reduces after the sound wave that sends of the vibrating diaphragm goes out acoustic aperture described in, user can be received compared with loud noise, improve Consumer's Experience.
Description
Technical field
The present invention relates to electronic device field, more particularly to a kind of electroacoustic component, electroacoustic device and mobile terminal.
Background technology
Current mobile terminal product thickness more and more thinner, and it is supplied to the thickness in electroacoustic component sound chamber also to become accordingly very
It is thin.Current DYN dynamic electroacoustic component will go out acoustic aperture and all design in the bottom of electroacoustic component, and the sound generation source of electroacoustic component is related to
At top, cause acoustic aperture to be oppositely arranged with sound generation source.Under this kind of structure, electroacoustic assembling components are in electroacoustic component sound chamber
It is interior, it is on the one hand smaller in order to ensure electroacoustic component sound chamber thickness, so that the pitch-row of speaking of electroacoustic component bottom is from electroacoustic group
The sealed wall in part sound chamber diminishes, and causes the acoustic resistance of electroacoustic component sounding to become big, and then cause that the sound that user receives diminishes;Separately
On the one hand reduce to ensure the acoustic resistance of electroacoustic component sounding so that the pitch-row of speaking of electroacoustic component bottom is from electroacoustic component sound chamber
Sealed wall become big, cause the thickness of seal audio cavity larger, so as to waste use space.So as to user, cannot to obtain acoustic resistance enough
Electroacoustic component that is small and saving use space, that is, reduce Consumer's Experience.
The content of the invention
It is an object of the invention to provide a kind of electroacoustic component for improving Consumer's Experience, electroacoustic device and mobile terminal.
In order to solve the above-mentioned technical problem, the invention provides a kind of electroacoustic component, wherein, the electroacoustic component includes frame
Frame, vibrating diaphragm and drive component, the framework have the inner circumferential side wall that outer peripheral sidewall and relatively described outer peripheral sidewall are set, Yi Jishe
Have and go out acoustic aperture through the outer peripheral sidewall and the inner circumferential side wall, the periphery of the vibrating diaphragm is circumferentially fixedly connected the frame
Frame, the drive component includes being fixed on the first actuator of the vibrating diaphragm and is fixed on the second actuator of the framework, institute
State the first actuator can second actuator vibration relatively, to drive the diaphragm oscillations to send sound wave, and cause the sound
Ripple goes out acoustic aperture described in.
Present invention also offers a kind of electroacoustic device, wherein, the electroacoustic device includes above-mentioned electroacoustic component, the electricity
Acoustic device also includes box body, and the box body has seal audio cavity, and the electroacoustic component is fixed in the seal audio cavity.
The present invention also provides a kind of mobile terminal, wherein, the mobile terminal includes above-mentioned electroacoustic assembly apparatus.
Electroacoustic component, electroacoustic device and mobile terminal that the present invention is provided, by the outer peripheral sidewall of the framework towards inner circumferential
Side wall opens up out acoustic aperture, and the sound wave that the diaphragm oscillations send goes out acoustic aperture described in so that user receives sound.Due to
It is described go out acoustic aperture be not oppositely arranged with vibrating diaphragm so that the framework need not to provide acoustic away from the vibrating diaphragm side empty
Between, that is, save and use space, and acoustic resistance reduces after the sound wave that sends of the vibrating diaphragm goes out acoustic aperture described in, and user can receive
Compared with loud noise, Consumer's Experience is improve.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below by to be used needed for implementation method
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some implementation methods of the invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic cross-section of electroacoustic component provided in an embodiment of the present invention;
Fig. 2 is another schematic cross-section of electroacoustic component provided in an embodiment of the present invention;
Fig. 3 is the schematic cross-section of the electroacoustic component that another embodiment of the present invention is provided;
Fig. 4 is another schematic cross-section of electroacoustic component provided in an embodiment of the present invention;
Fig. 5 is the schematic cross-section of the electroacoustic component that another embodiment of the present invention is provided;
Fig. 6 is the schematic cross-section of electroacoustic device provided in an embodiment of the present invention;
Fig. 7 is the schematic cross-section of the electroacoustic device that another embodiment of the present invention is provided;
Fig. 8 is another schematic cross-section of electroacoustic device provided in an embodiment of the present invention;
Fig. 9 is the schematic diagram of mobile terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not paid
Embodiment, belongs to the scope of protection of the invention.
In the description of the embodiment of the present invention, it is to be understood that the orientation or position relationship of the instruction such as term " thickness " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies and describe, rather than implies or refer to
Showing the device or element of meaning must have specific orientation, with specific azimuth configuration and operation therefore it is not intended that right
Limitation of the invention.
Fig. 1 is referred to, the present invention provides a kind of electroacoustic component 100, and the electroacoustic component 100 includes framework 10, vibrating diaphragm 20
With drive component 30.The framework 10 has the inner circumferential side wall 12 that outer peripheral sidewall 11 and relatively described outer peripheral sidewall 11 are set, institute
State framework 10 and be additionally provided with and go out acoustic aperture 13 through the outer peripheral sidewall 11 and the inner circumferential side wall 12.The periphery edge of the vibrating diaphragm 20
The circumferentially fixed connection framework 10, the drive component 30 includes being fixed on the first actuator 31 of the vibrating diaphragm 20 and fixes
In the second actuator 32 of the framework 10.First actuator 31 can relatively described second actuator 32 vibrate, with drive
The vibration of the vibrating diaphragm 20 sends sound wave, and causes that the sound wave goes out acoustic aperture 13 described in.
Acoustic aperture 13 is opened up out towards inner circumferential side wall 12 by the outer peripheral sidewall 11 of the framework 10, and the vibration of the vibrating diaphragm 30 is sent out
The sound wave for going out goes out acoustic aperture 13 described in so that user receives sound.Due to it is described go out acoustic aperture 13 it is not relative with vibrating diaphragm 30
Set, so that the framework 10 need not provide acoustic space away from the side of the vibrating diaphragm 30, that is, save and use space, and
And the sound wave that sends of the vibrating diaphragm 30 go out acoustic aperture described in after acoustic resistance reduce, user can be received compared with loud noise, improve user
Experience.
The framework 10 includes the bottom 15 that top 14 and relatively described top 14 are set.The top 14 is fixedly connected institute
State the periphery of vibrating diaphragm 20.The end face of the top 14 can be bonded the periphery of the vibrating diaphragm 20.It is described go out acoustic aperture 13 be located at the top
Between end 14 and the bottom 15.It is described go out acoustic aperture 13 can be with circular port, or bar hole.The framework 10 can be modeling
Glue part, or metalwork.
The vibrating diaphragm 20 is provided with fold 21 between periphery and geometric center.The fold 21 along the vibrating diaphragm 20 circumference
Extend.The fold 21 reduces the tension force of vibrating diaphragm 20, so that the vibrating diaphragm 20 is easier in the region near geometric center
Produce deformation vibration.The fold 21 is fixedly connected first actuator 31, facilitates first actuator 31 to drive described
Vibrating diaphragm 20 produces deformation.The material of the vibrating diaphragm 20 can be papery, Fiber Materials, metal material, wool material, silk material
Deng.
First actuator 31 is slided along relatively described second actuator 32 in direction of the almost parallel normal direction of the vibrating diaphragm 20
It is dynamic.First actuator 31 can relatively described second actuator 32 reciprocatingly slide, so as to drive substantially leaning on for the vibrating diaphragm 20
The region of nearly geometric center is of reciprocating vibration along normal direction.The vibrating diaphragm 20 drives in the domain oscillation substantially adjacent to geometric center
Air current flow, so as to produce sound wave.The sound wave can through it is described go out acoustic aperture 13 be radiated to the outside of the framework 10 so that can
Received with by user.Due to it is described go out acoustic aperture 13 the substantially vertical vibrating diaphragm 20 in direction of speaking normal direction, i.e., described electroacoustic
Component 100 does not exist acoustic transmission path on the direction of the almost parallel normal direction of the vibrating diaphragm 20, so that the top 14 of framework 10
Can be resisted against on exterior part respectively with bottom 15, so that the electroacoustic component 100 can consolidate installation, and saved
Use space.
In present embodiment, second actuator 32 is at least partly fixed on the inner circumferential side wall 12 of the framework 10.Institute
State the second actuator 32 be provided with it is described go out the identical through hole 33 of acoustic aperture 13.The sound wave that the vibrating diaphragm 20 sends is successively through described logical
Hole 33 and it is described go out acoustic aperture 13 send the outside of the framework 10.
Further, Fig. 2 is referred to, first actuator 31 is coil.Second actuator 32 is magnet.It is described
After first actuator 31 receives current signal, magnetic field is produced.First actuator 31 according to the change of current signal, so as to produce
Raw magnetic direction also produces change.And second actuator 32 is permanent magnet, the magnetic direction of second actuator 32
Change will not be produced.First actuator 31 is under the change of current signal by the magnetic field phase interaction of second actuator 32
With, can be slided closer or far from second actuator 32, and then the drive vibrating diaphragm 20 vibrates.Second actuator 32
The first magnet 321 and the second magnet 322 positioned at the inner side of first magnet 321 including being fixed on the inner circumferential side wall 12.
There is spacing 323 between first magnet 321 and second magnet 322.The top of first actuator 31 is fixed and is connected
The fold 21 of the vibrating diaphragm 20 is connect, the bottom of first actuator 31 is contained in the spacing 323.Due to the described first drive
Moving part 31 is slided up and down in the spacing 323, can effectively reduce the thickness of the electroacoustic component 100.
In another embodiment, Fig. 3 is referred to, first actuator 31 is magnet.Second actuator 32 is line
Circle.First actuator 31 is annular in shape.First actuator 31 is circumferentially fixedly connected the fold 21.Described second drives
Moving part 32 is circumferentially fixed on the inner circumferential side wall 12.
Further, Fig. 4 is referred to, the electroacoustic component 100 also includes being fixed on the cover plate 40 of the framework 10, described
The relatively described vibrating diaphragm 20 of cover plate 40 is set, and forms sounding chamber 50 between the vibrating diaphragm 20, cover plate 40 and the framework 10, it is described go out
Sounding chamber 50 described in the insertion of acoustic aperture 13.
In present embodiment, first actuator 31 and second actuator 32 are respectively positioned on the sounding chamber 50.Institute
State the second actuator 32 and be also fixedly connected the cover plate 40.Set using the relatively described vibrating diaphragm 20 of the cover plate 40, the cover plate
The sound wave that the 40 pairs of vibrating diaphragms 20 send reflects so that sound wave can through it is described go out acoustic aperture 13 launch to outside the framework 10
Side.And first actuator 31 and second actuator 32 are located in the sounding chamber 50, make full use of the sounding
The inner space in chamber 50, effectively reduces the thickness of electroacoustic component 100.
In another embodiment, Fig. 5 is referred to, the periphery of the vibrating diaphragm 20 can also be fixed on the inner circumferential side wall 12.
The inner space of the framework 10 is separated out the first cavity 16 and the second cavity 17 by the vibrating diaphragm 20.The He of first actuator 31
Second actuator 32 is both secured to first cavity 16.The cover plate 40 covers second cavity 17.It is described to speak
Second cavity 17 described in the insertion of hole 13.
Further, refer to Fig. 1, it is described go out acoustic aperture 13 be located at the framework 10 at the vibrating diaphragm 20.It is described go out
Acoustic aperture 13 to the distance of the vibrating diaphragm 20 goes out acoustic aperture 13 to the distance of the cover plate 40 less than described in, facilitates the vibrating diaphragm 20 to send
Sound wave go out acoustic aperture 13 and spread out of on the outside of the framework 10 through described.It is described go out acoustic aperture 13 quantity for multiple.Spoken described in multiple
Hole 13 along the framework 10 circumferentially equidistant arrangement.Using the sounding of acoustic aperture 13 is gone out described in multiple, reduce the electroacoustic component 100
Acoustic resistance, improves the volume of the electroacoustic component 100.
Fig. 6 is referred to, the present invention also provides a kind of electroacoustic device 200, and the electroacoustic device 200 includes the electroacoustic component
100, the electroacoustic device 200 also includes box body 60, and the box body 60 has seal audio cavity 61, and the electroacoustic component 100 is fixed
In in the seal audio cavity 61.
In present embodiment, the volume of the seal audio cavity 61 is more than the electroacoustic component 100.The electroacoustic component 100
The sound wave that sends of vibrating diaphragm 20 go out the seal audio cavity 61 of acoustic aperture 13 through described so that sound wave is in seal audio cavity 61
Return concussion so that the vibration sounding of the box body 60, and then user can receive sound.
Further, the box body 60 includes the base plate 63 that top board 62 and relatively described top board 62 are set, and is fixed on
Side plate 64 between the top board 62 and the base plate 63.The vibrating diaphragm 20 is resisted against the top board 62, the side plate 64 to institute
State the distance of the distance more than the base plate 63 to the framework 10 of framework 10.
In present embodiment, the cover plate 40 contacts at the base plate 63.I.e. described base plate 63 to the cover plate 40 away from
With a distance from less than the side plate 64 to the framework 10.The periphery of the cover plate 40 is fixed on the inner side of the framework 10, from
And the base plate 63 is less than the distance of the side plate 64 to the framework 10 to the distance of the framework 10 so that the box body 60
Thickness it is sufficiently small.The side plate 64 is to setting enough transaudient spaces between the framework 10 so that sound wave is spoken described in
After hole 13 sends, shaken back and forth between the framework 10 and the side plate 64, and cause the sounding of the box body 60.
In another embodiment, Fig. 7 is referred to, the cover plate 40 is to having gap h, the side plate between the base plate 63
64 exist apart from H between the framework 10.The gap h less than described apart from H so that the thickness of the box body 100
Can with sufficiently small, and it is described go out acoustic aperture 13 to the acoustic resistance between the side plate 64 reduce.
Further, Fig. 8 is referred to, filled with sound absorption particle 70 between the side plate 64 and the framework 10.
In present embodiment, the sound absorption particle 70 is filled up completely between the side plate 64 and the framework 10.It is described
Sound absorption particle 70 absorb from it is described go out the sound that sends of acoustic aperture 13, the sound absorption particle 70 absorbed after sound wave in the box body 60
Vibration, the sound absorption housing 70 clashes into the box body 60 so that the vibration sounding of the box body 60.Directly impact is described to avoid sound wave
Box body 60 so that the sounding of the box body 60 is soft, and strengthen the bass effect of the electroacoustic device 200.Due to the sound absorption
Particle 70 can be filled up completely between the side plate 64 and the framework 10 so that sound wave goes out after acoustic aperture 13 sends described in,
Can be transferred directly on the sound absorption particle 70 so that directly can be transferred to for acoustic wave energy described by the sound absorption particle 70
Box body 60, so as to lift the tonequality of the electroacoustic device 200.
Further, the electroacoustic device 200 also includes going out described in capping the screen cloth 80 of acoustic aperture 13.The screen cloth 80 can be with
It is to go out acoustic aperture 13 described in covering to go out acoustic aperture 13 in the inner circumferential side described in the opening of the outer peripheral sidewall 11, or covering
The opening of wall 12.By the screen cloth 80 cover it is described go out acoustic aperture 13, it is to avoid the sound absorption particle 70 enters the sounding chamber 50,
Avoid influenceing the sounding of electroacoustic component 100.The screen cloth 80 cover it is described go out acoustic aperture 13 so that the sound absorption particle 70 can be with
Be filled up completely between the side plate 64 and the framework 10, without first to it is described sound absorption particle 70 be packaged after receive again
It is dissolved in the seal audio cavity 61, has both improved the tonequality of the electroacoustic device 200, the electroacoustic device 200 is reduced again
Production cost.
Fig. 9 is referred to, the present invention also provides a kind of mobile terminal 300, and the mobile terminal 300 includes housing 90 and fixes
In the mainboard 91 in the housing 90.The electroacoustic device 200 is fixed on the bottom of the housing 90.The electroacoustic component 100
The first actuator 31 electrically connect the mainboard 91, receive the current signal of the mainboard 91, and then can relatively described second
Actuator 32 is slided, and causes the sounding of electroacoustic component 100.It is understood that the mobile terminal 300 can be hand
Machine, panel computer, notebook computer etc..
Acoustic aperture is opened up out towards inner circumferential side wall by the outer peripheral sidewall of the framework, and the sound wave that the diaphragm oscillations send is passed through
Cross it is described go out acoustic aperture so that user receives sound.Due to it is described go out acoustic aperture be not oppositely arranged with vibrating diaphragm so that described
Framework need not provide acoustic space away from the vibrating diaphragm side, that is, save and use space, and the sound wave that the vibrating diaphragm sends
Through it is described go out acoustic aperture after acoustic resistance reduce, user can be received compared with loud noise, improve Consumer's Experience.
Above is the implementation method of the embodiment of the present invention, it is noted that come for those skilled in the art
Say, on the premise of embodiment of the present invention principle is not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of electroacoustic component, it is characterised in that the electroacoustic component includes framework, vibrating diaphragm and drive component, the framework tool
There is the inner circumferential side wall that outer peripheral sidewall and relatively described outer peripheral sidewall are set, and be provided with through the outer peripheral sidewall and the inner circumferential
Side wall goes out acoustic aperture, and the periphery of the vibrating diaphragm is circumferentially fixedly connected the framework, and the drive component includes being fixed on described
First actuator of vibrating diaphragm and the second actuator for being fixed on the framework, first actuator can relatively described second drivings
Part vibrates, and to drive the diaphragm oscillations to send sound wave, and causes that the sound wave goes out acoustic aperture described in.
2. electroacoustic component according to claim 1, it is characterised in that first actuator is coil, described second drives
Moving part is magnet.
3. electroacoustic component according to claim 1, it is characterised in that the electroacoustic component also includes being fixed on the framework
Cover plate, the cover plate vibrating diaphragm relatively sets, and forms sounding chamber between the vibrating diaphragm, cover plate and the framework, it is described go out
Sounding chamber described in acoustic aperture insertion.
4. electroacoustic component according to claim 1, it is characterised in that the hole position of speaking is shaken in the framework near described
At film.
5. electroacoustic component according to claim 1, it is characterised in that it is described go out acoustic aperture quantity be multiple, it is multiple described
Go out circumferentially equidistant arrangement of the acoustic aperture along the framework.
6. a kind of electroacoustic device, it is characterised in that the electroacoustic device includes the electroacoustic described in Claims 1 to 5 any one
Component, the electroacoustic device also includes box body, and the box body has seal audio cavity, and the electroacoustic component is fixed on the sealing sound
In chamber.
7. electroacoustic device according to claim 6, it is characterised in that the box body includes that top board and relatively described top board set
The base plate put, and the side plate being fixed between the top board and the base plate, the vibrating diaphragm are resisted against the top board, the side
Plate is more than the distance of the base plate to the framework to the distance of the framework.
8. electroacoustic device according to claim 7, it is characterised in that filled with sound absorption between the side plate and the framework
Particle.
9. electroacoustic assembly apparatus according to claim 8, it is characterised in that the electroacoustic device also includes going out described in capping
The screen cloth of acoustic aperture.
10. a kind of mobile terminal, it is characterised in that the mobile terminal includes the electroacoustic described in claim 6~8 any one
Assembly apparatus.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710152601.8A CN106851504A (en) | 2017-03-14 | 2017-03-14 | Electroacoustic component, electroacoustic device and mobile terminal |
TW106144215A TWI689209B (en) | 2017-03-14 | 2017-12-15 | Speaker, loudspeaking device and mobile terminal |
US15/852,460 US10432766B2 (en) | 2017-03-14 | 2017-12-22 | Loudspeaker, loudspeaker device and mobile terminal |
PCT/CN2017/118314 WO2018166268A1 (en) | 2017-03-14 | 2017-12-25 | Loudspeaker, loudspeaker device and mobile terminal |
EP17211055.3A EP3376776A1 (en) | 2017-03-14 | 2017-12-29 | Loudspeaker, loudspeaker device and mobile terminal |
US16/542,623 US10873656B2 (en) | 2017-03-14 | 2019-08-16 | Loudspeaker, loudspeaker device and mobile terminal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710152601.8A CN106851504A (en) | 2017-03-14 | 2017-03-14 | Electroacoustic component, electroacoustic device and mobile terminal |
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CN106851504A true CN106851504A (en) | 2017-06-13 |
Family
ID=59143686
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CN201710152601.8A Pending CN106851504A (en) | 2017-03-14 | 2017-03-14 | Electroacoustic component, electroacoustic device and mobile terminal |
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CN107426657A (en) * | 2017-09-08 | 2017-12-01 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
CN107454529A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic device and mobile terminal |
CN107454528A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
CN107454526A (en) * | 2017-09-08 | 2017-12-08 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
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CN107809708A (en) * | 2017-11-30 | 2018-03-16 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
CN107809707A (en) * | 2017-11-30 | 2018-03-16 | 广东欧珀移动通信有限公司 | Electroacoustic component and mobile terminal |
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CN108012226A (en) * | 2017-11-30 | 2018-05-08 | 广东欧珀移动通信有限公司 | Electroacoustic component and mobile terminal |
WO2018166268A1 (en) * | 2017-03-14 | 2018-09-20 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Loudspeaker, loudspeaker device and mobile terminal |
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