CN107454527A - Electroacoustic device and mobile terminal - Google Patents
Electroacoustic device and mobile terminal Download PDFInfo
- Publication number
- CN107454527A CN107454527A CN201710811208.5A CN201710811208A CN107454527A CN 107454527 A CN107454527 A CN 107454527A CN 201710811208 A CN201710811208 A CN 201710811208A CN 107454527 A CN107454527 A CN 107454527A
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- CN
- China
- Prior art keywords
- framework
- leak
- side plate
- electroacoustic
- electroacoustic device
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- 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.)
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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
Abstract
The invention discloses a kind of electroacoustic device and mobile terminal, the electroacoustic device includes electroacoustic module and sound-absorbing module, the electroacoustic module includes the first framework and the pronunciation component being fixed in first framework, first framework includes top plate and the first side plate being fixedly connected with the top plate, the top plate is provided with out acoustic aperture, the pronunciation component by it is described go out acoustic aperture send out sound wave, first side plate includes the first leak, the sound-absorbing module includes second framework and the acoustic absorbing medium in the second framework, the second framework has the second leak, the second framework is detachably connected with first framework, second leak docks with first leak, the acoustic wave segment that the pronunciation component is sent is absorbed by first leak and second leak by the acoustic absorbing medium.Electroacoustic device modularity in the present invention, it is easy to each module to individually produce, installs and change facility, abutting joint reduces the thickness of the electroacoustic device.
Description
Technical field
The present invention relates to electronic device field, more particularly to a kind of electroacoustic device and mobile terminal.
Background technology
As the lightening requirement of mobile terminal increasingly improves, the thickness of the electroacoustic device in mobile terminal is also correspondingly wanted
Ask thinner.The electroacoustic device of mobile terminal is provided with leak, and the pronunciation group in electroacoustic device in vibrating diaphragm relative position at present
Folded on the outside of part on the direction relative with vibrating diaphragm and set sound-absorbing structure, the acoustic wave segment that sound-absorbing structure is sent through leak absorption vibrating diaphragm,
To lift the tonequality of electroacoustic device.However, under such a structure, pronunciation component stacks with sound-absorbing structure, causes the entirety of mobile phone
Thickness increase, reduces Consumer's Experience.
The content of the invention
The invention provides a kind of electroacoustic device and mobile terminal, to reduce the thickness of electroacoustic device, promotes mobile terminal
It is lightening.
Present invention also offers a kind of electroacoustic device, wherein, the electroacoustic device includes electroacoustic module and sound-absorbing module, institute
Stating electroacoustic module includes the first framework and the pronunciation component that is fixed in first framework, first framework include top plate and
The first side plate being fixedly connected with the top plate, the top plate are provided with out acoustic aperture, the pronunciation component by it is described go out acoustic aperture to
Outgoing goes out sound wave, and first side plate includes the first leak, and the sound-absorbing module includes second framework and positioned at described second
Acoustic absorbing medium in framework, the second framework have the second leak, and the second framework and first framework are detachable
Connection, second leak docks with first leak, and the acoustic wave segment that the pronunciation component is sent passes through described the
One leak and second leak are absorbed by the acoustic absorbing medium.
The present invention also provides a kind of mobile terminal, wherein, the mobile terminal includes above-mentioned electroacoustic device.
Electroacoustic device and mobile terminal provided by the invention, by by electroacoustic module and sound-absorbing module design composition from knot
Structure, and sound-absorbing module is made described first along splicing perpendicular to hole axially direction of speaking in outside the framework of the electroacoustic module
Leak docks with second leak, in order to which the acoustic wave segment that the pronunciation component in the electroacoustic module is sent passes through institute
State the first leak and second leak to be absorbed by the acoustic absorbing medium in the sound-absorbing module, the electroacoustic module is being spoken
Space is used without providing on the axial direction of hole, it is empty in the use on the axial direction of hole of speaking so as to save the electroacoustic module
Between, the integral thickness of the electroacoustic module and sound-absorbing module can be reduced, so as to reduce the thickness of mobile terminal, meanwhile, electricity
Acoustic device modularity, improve the installation effectiveness of electroacoustic device.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments 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 device provided in an embodiment of the present invention.
Fig. 2 is the first schematic partial cross-sectional view of electroacoustic device provided in an embodiment of the present invention.
Fig. 3 is a kind of partial structural diagram of the electroacoustic device of Fig. 2 offers in the x-direction.
Fig. 4 is another partial structural diagram of the electroacoustic device of Fig. 2 offers in the x-direction.
Fig. 5 is second of schematic partial cross-sectional view of electroacoustic device provided in an embodiment of the present invention.
Fig. 6 is the third schematic partial cross-sectional view of electroacoustic device provided in an embodiment of the present invention.
Fig. 7 is the structural representation of mobile terminal provided in an embodiment of the present invention.
Fig. 8 is that the structure of mobile terminal provided in an embodiment of the present invention splits schematic diagram.
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 describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not paid
Embodiment, belong 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 description, rather than imply or refer to
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or detachably connected, or integratedly be connected
Connect；Can mechanically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body implication.
Referring to Fig. 1, Fig. 1 is a kind of electroacoustic device 100 provided in an embodiment of the present invention, the electroacoustic device 100 includes
Electroacoustic module 10 and sound-absorbing module 30.The electroacoustic module 10 includes the first framework 11 and is fixed in first framework 11
Pronunciation component 12.First framework 11 includes top plate 111 and the first side plate 112 being fixedly connected with the top plate 111.It is described
Top plate 111 is provided with out acoustic aperture 113.The pronunciation component 12 by it is described go out acoustic aperture 113 send out sound wave.First side plate
112 include the first leak 114.The sound-absorbing module 30 includes second framework 31 and the sound absorption in the second framework 31
Medium 311.The second framework 31 has the second leak 313.The second framework 31 and first framework 11 are detachable
Connection.Second leak 313 docks with first leak 114.It is understood that the electroacoustic device 100 should
For mobile terminal, the mobile terminal can be mobile phone, tablet personal computer or notebook computer etc..The mobile terminal passes through in institute
State docking at the first side plate 112 of electroacoustic module 10 and sound-absorbing module 30 is set so that the acoustic absorbing medium 311 in sound-absorbing module 30 passes through
First leak 114 and second leak 313 absorb the acoustic wave segment that the pronunciation component 12 is sent, to improve the electricity
The tonequality of acoustic device 100.
By the way that electroacoustic module 10 and sound-absorbing module 30 be designed into isolating construction, and by sound-absorbing module 30 along perpendicular to speaking
Hole 113 is axially spliced in outside the framework of the electroacoustic module 10, makes first leak 114 and second leak 313
Docking, in order to which the acoustic wave segment that the pronunciation component 12 in the electroacoustic module 10 is sent passes through the He of the first leak 114
Second leak 313 is absorbed by the acoustic absorbing medium 311 in the sound-absorbing module 30, i.e., described electroacoustic module 10 is going out acoustic aperture
113 axial directions are upper to use space without providing, and sky is used on the axial direction of acoustic aperture 113 is gone out so as to save the electroacoustic module 10
Between, the integral thickness of the electroacoustic module 10 and sound-absorbing module 30 can be reduced, so as to reduce the thickness of mobile terminal.Together
When, by electroacoustic module 10 and the modularity of sound-absorbing module 30 designs and abutting joint, and the part in larger outer framework can be avoided to fill out
During charged acoustic medium 311, cause padding inconvenient, and acoustic absorbing medium 311 fills the problem of insufficient, so as to improve electroacoustic dress
Put 100 installation effectiveness and the sound-absorbing effect of increase sound-absorbing module 30.
In the present embodiment, the leak 313 of the first leak 114 and second can be with circular port or bar hole.
The second framework 31 and first framework 11 can be plastic parts or metalwork.
In a kind of possible embodiment, referring to Fig. 1, first framework 11 is also including relative with the top plate 111
The bottom plate 115 of setting.First side plate 112 is connected between the top plate 111 and the bottom plate 115.It is to be appreciated that institute
It can be a plane plate or the plane plate of multiple similar and different directions to state the first side plate 112, be can also be
Curved surface or irregular plate body.The second framework 31 includes the second side plate 312.Second leak 313 is located at described second
Side plate 312.Second leak 313 can be with circular port or bar hole.First side plate 112 and described second
Side plate 312 docks.
In present embodiment, first framework 11 can be approximated to be rectangular cavity, the first side plate 112 and the top plate
111 near normals.The sound wave that the pronunciation component 12 is sent diffuses out from the acoustic aperture 113 that goes out of top plate 111, then the first side plate
112 direction sends the direction of sound wave approximately perpendicular to pronunciation component 12, and the direction that pronunciation component 12 sends sound wave is electroacoustic
The thickness direction of device 100, that is to say, that electroacoustic module 10 and sound-absorbing module 30 are along perpendicular to the thickness side of electroacoustic device 100
To arrangement, and then electroacoustic module 10 and the mode of the assembling of sound-absorbing module 30 can reduce the thickness of electroacoustic device 100.
In a kind of possible embodiment, referring to Fig. 2, first side plate 112 is provided with chute 116, described
Two side plates 312 are provided with sliding block 314.The sliding block 314 is slidably connected with the chute 116.
In present embodiment, projection chute 116 on first side plate 112, on second side plate 312 projection with it is described
The sliding block 314 that chute 116 matches, the sliding block 314 can be in block or strip.Present embodiment utilizes the sliding block 314
The mode being slidably connected between the chute 116, after electroacoustic module 10 being formerly installed, it is being transversely mounted sound-absorbing module 30
When being obstructed, by the way that the sliding block 314 of second side plate 312 is slid into first side from one end of first side plate 112
The other end of plate 112, sound-absorbing module 30 is docked from vertical direction with the electroacoustic module 10.
Further, referring to Fig. 3, the chute 116 fastens with the sliding block 314, the sound-absorbing module 30 is realized
While docking with electroacoustic module 10, this plays a part of being fixedly connected with sound-absorbing module 30 and electroacoustic module 10, and then by making
Sound-absorbing module 30 docks with electroacoustic module 10, you can realizes the assembling of electroacoustic device 100.
Further, direction extension of the chute 116 along the top plate 111, in order to first install electroacoustic mould
Group 10 after mobile terminal, an end entrance of the chute 116 outwardly, can by by the sliding block 314 from the one of chute 116
End entrance slides into, to realize that the sound-absorbing module 30 docks with electroacoustic module 10.
Further, referring to Fig. 3, the chute 116 is located at the edge of first side plate 112.
In present embodiment, the chute 116 can be two, and first side plate 112 only has a direction, i.e., described
First side plate 112 is plane plate.Two chutes 116 can be located at the opposite sides of first side plate 112 respectively.Due to
Offer the first leak 114 in side plate 112, chute 116 is located at the edge of the first side plate 112, can by chute 116 with
The stagger setting of first leak 114 so that the first leak 114 aperture maximize, so as to optimize sound-absorbing module 30 with
The cross-ventilation of electroacoustic module 10, lift sound-absorbing effect.
In alternatively possible embodiment, referring to Fig. 4, first side plate 112 is provided with groove 117, it is described
Second side plate 312 is provided with projection 315, and the projection 315 docks with the groove 117, to position sound-absorbing module 30 and electroacoustic
Module 10.
Alternatively, the groove 117 is multiple that the multiple groove 117 is located at the edge of first side plate 112.
In present embodiment, first side plate 112 is square plate body, and the quantity of the groove 117 can be 4, by 4
Individual groove 117 is located at four corners of the first side plate 112, accurately to dock sound-absorbing by positioning 4 angles of the second side plate 312
Module 30 and electroacoustic module 10, meanwhile, for the setting avoiding space of first leak 114, realize first leak
114 maximization is set.
, can be with after the electroacoustic module 10 is docked with sound-absorbing module 30 it is to be appreciated that in the above-described embodiment
By setting outer frame body to fix together with sound-absorbing module 30 electroacoustic module 10 in the outside of electroacoustic module 10 and sound-absorbing module 30
In mobile terminal, electroacoustic module 10 and sound-absorbing module 30 can also be gripped by other elements in mobile terminal.
In other implementations, first side plate 112 can also be connected with second side plate 312 by magnetic
Or the mode such as gluing connection is docked.
In the present embodiment, referring to Fig. 1, the pronunciation component 12 includes vibrating diaphragm 121, the first actuator 122 and second drives
Moving part 123.The periphery of the vibrating diaphragm 121 is circumferentially fixedly connected on the top plate 111.The vibrating diaphragm 121 cover in it is described go out
Acoustic aperture 113.First actuator 122 is fixed on the bottom plate 115.Second actuator 123 is fixedly connected on described shake
Film 121.Second actuator 123 relative to first actuator 122 by vibrating, to drive the vibrating diaphragm 121 to vibrate,
The vibrating diaphragm 121 is set to send sound wave.
Referring to Fig. 1, first actuator 122 is magnet.Second actuator 123 is conductive coil, described
Two actuators 123 are fixed on the vibrating diaphragm 121.After second actuator 123 receives current signal, magnetic field is produced.Described
Two actuators 123 are according to the change of current signal, so as to which caused magnetic direction also produces change.And first actuator
122 be permanent magnet, and the magnetic direction of first actuator 122 will not produce change.Second actuator 123 is believed in electric current
Number change under by first actuator 122 magnetic fields, do and moved closer or far from first actuator 122, entered
And the vibrating diaphragm 121 is driven to vibrate.
In a kind of possible embodiment, referring to Fig. 1, first actuator 122 includes the first magnet 124 and positioned at institute
State the second magnet 125 of the inner side of the first magnet 124.Gap be present between first magnet 124 and second magnet 125
126.The bottom of second actuator 123 is contained in the gap 126, and second actuator 123 is in the gap 126
Inside move reciprocatingly.
In present embodiment, direction of second actuator 123 along the almost parallel normal direction of vibrating diaphragm 121 is relatively described
First actuator 122 moves.Second actuator 123 can relatively described first actuator 122 move back and forth, so as to drive
State the of reciprocating vibration along normal direction substantially adjacent to the region of geometric center of vibrating diaphragm 121.The vibrating diaphragm 121 is substantially adjacent to geometric center
Domain oscillation when, drive air current flow, so as to produce sound wave.The material of the vibrating diaphragm 121 can be papery, Fiber Materials,
Metal material, wool material, silk material etc..Due to the normal direction of the substantially vertical vibrating diaphragm 121 in the direction of the gas port, i.e.,
Air-flow moves on the direction along the almost parallel normal direction of vibrating diaphragm 121 so that first framework 11 is away from the vibrating diaphragm 121 1
Side need not provide air-flow transport space, i.e. the bottom plate 115 of the first framework 11 can reduce electroacoustic directly against on exterior part
Space occupied by device 100.
In the present embodiment, referring to Fig. 5, the sound-absorbing module 30 includes second framework 31, filled out in the second framework 31
Full acoustic absorbing medium 311.The second framework 31 includes the second side plate 312, and the second leak is begun with second side plate 312
313.The sound-absorbing module 30 also includes the block piece 316 for covering second leak 313.The block piece 316 is to general
The acoustic absorbing medium 311 is sealed in the second framework 31.
In present embodiment, the acoustic absorbing medium 311 is filled in the second framework 31.The acoustic absorbing medium 311 is inhaled
Receive the sound wave from the leak 313 of the first leak 114 and second outflow, the acoustic absorbing medium 311 is absorbed after sound wave in institute
The internal vibration of second framework 31 is stated, acoustic wave energy is converted into mechanical energy, plays acoustically effective, so as to optimize to the sound wave
Sound-absorbing effect, improve the tonequality of electroacoustic device 100.
Further, the acoustic absorbing medium 311 is sound absorption particle, and the block piece 316 has multiple mesh, the mesh
Aperture be less than the acoustic absorbing medium 311 particle diameter.
In present embodiment, the block piece 316 can be screen cloth etc., and described second is covered by the block piece 316
Leak 313, the acoustic absorbing medium 311 is avoided to enter first framework 11, so as to influence the sounding of pronunciation component 12.Institute
To state block piece 316 and cover second leak 313 so that the acoustic absorbing medium 311 can be filled up completely with second framework 31,
Without being contained in again in the second framework 31 after being first packaged to the acoustic absorbing medium 311, the electricity had both been improved
The tonequality of acoustic device 100, reduce the production cost of the electroacoustic device 100 again.
In a kind of embodiment, referring to Fig. 6, the periphery of second leak 313 is close to second side plate 312
Edge, view field of first leak 114 on second side plate 312 overlap with second leak 313.
In present embodiment, second leak 313 is identical with the aperture of first leak 114, and second lets out
The periphery of small opening 313 is close to the edge of second side plate 312, so that the aperture of second leak 313 is maximum
Change, add the air flow between the first framework 11 and the second framework 31, so that the vibrating diaphragm 121 is towards described
The sound wave of diffusion is fully absorbed by the acoustic absorbing medium 311 in first framework 11, reduces noise, improves tonequality.
Fig. 1 to Fig. 8 is referred to, Fig. 7 and Fig. 8 are a kind of mobile terminals 200 provided in an embodiment of the present invention, described mobile whole
End 200 includes the electroacoustic device 100 described in any of the above-described embodiment.The mobile terminal 200 includes housing 210 and is fixed on
Mainboard 220 in the housing 210.The electroacoustic device 100 is fixed on the bottom of the housing 210.The pronunciation component 12
The second actuator 123 electrically connect the mainboard 220, receive the current signal of the mainboard 220, and then can relatively described
One actuator 122 slides, and causes the sounding of pronunciation component 12.It is understood that the mobile terminal 200 can be hand
Machine, tablet personal computer, notebook computer etc..
Referring to Fig. 8, the mobile terminal 200 also includes center 230, the center 230 is fixed on the housing 210
It is interior.The mainboard 220 and the electroacoustic device 100 are both secured on the center 230.The housing 210 includes the He of protecgulum 211
The back-cover 212 that relatively described protecgulum 211 covers.The protecgulum 211 includes glass cover-plate and display screen.The back-cover 212 is gold
Belong to cell rear cover.The center 230 is fixed between the protecgulum 211 and the back-cover 212.The electroacoustic device 100 is fixed
In the bottom of the center 230.The bottom of the center 230 is the relative one end of the receiver of the mobile terminal 200.It is described
Vibrating diaphragm 121 is towards the back-cover 212.The back-cover 212 is provided with multiple loud-speaker openings 213 in bottom sidepiece.The vibrating diaphragm 121 is towards institute
The direction of sound wave that back-cover 212 is sent along the parallel back-cover 212 is stated to propagate at multiple loud-speaker openings 213, and through excessive
The individual loud-speaker opening 213 propagates to user.
Above is the embodiment of the embodiment of the present invention, it is noted that come for those skilled in the art
Say, on the premise of principle of the embodiment of the present invention 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 (14)
1. a kind of electroacoustic device, it is characterised in that the electroacoustic device includes electroacoustic module and sound-absorbing module, the electroacoustic module
Including the first framework and the pronunciation component being fixed in first framework, first framework include top plate and with the top plate
The first side plate being fixedly connected, the top plate are provided with out acoustic aperture, the pronunciation component by it is described go out acoustic aperture send out sound wave,
First side plate includes the first leak, and the sound-absorbing module includes second framework and the sound absorption in the second framework
Medium, the second framework have the second leak, and the second framework is detachably connected with first framework, and described second
Leak docks with first leak, and the acoustic wave segment that the pronunciation component is sent passes through first leak and described
Second leak is absorbed by the acoustic absorbing medium.
2. electroacoustic device as claimed in claim 1, it is characterised in that first framework also includes set relative with the top plate
The bottom plate put, first side plate are connected between the top plate and the bottom plate, and the second framework includes the second side plate, institute
State the second leak and be located at second side plate, first side plate docks with second side plate.
3. electroacoustic device as claimed in claim 2, it is characterised in that first side plate is provided with chute, second side
Plate is provided with sliding block, and the sliding block is connected with the slide.
4. electroacoustic device as claimed in claim 3, it is characterised in that the chute is mutually clamped with the sliding block.
5. electroacoustic device as claimed in claim 4, it is characterised in that direction of the chute along the top plate prolongs
Stretch.
6. electroacoustic device as claimed in claim 5, it is characterised in that the chute is located at the edge of first side plate.
7. electroacoustic device as claimed in claim 2, it is characterised in that first side plate is provided with groove, second side
Plate is provided with projection, and the projection docks with the groove.
8. electroacoustic device as claimed in claim 7, it is characterised in that the groove is multiple, and the multiple groove is located at institute
State the edge of the first side plate.
9. electroacoustic device as claimed in claim 2, it is characterised in that the periphery of second leak is close to described second
The edge of side plate.
10. electroacoustic device as claimed in claim 9, it is characterised in that first leak is on second side plate
View field overlaps with second leak.
11. the electroacoustic device as described in claim 1~10 any one, it is characterised in that the pronunciation component include vibrating diaphragm,
First actuator and the second actuator, the periphery of the vibrating diaphragm are circumferentially fixedly connected on the top plate, the vibrating diaphragm cover in
It is described go out acoustic aperture, first actuator is fixed on the bottom plate, and second actuator is fixedly connected on the vibrating diaphragm, described
Second actuator, to drive the diaphragm oscillations, makes the vibrating diaphragm send sound wave by being vibrated relative to first actuator.
12. the electroacoustic device as described in claim 1~10 any one, it is characterised in that the sound-absorbing module also includes hiding
Cover the block piece of second leak, the block piece is the acoustic absorbing medium is sealed in the second framework.
13. electroacoustic device as claimed in claim 12, it is characterised in that the acoustic absorbing medium for sound absorption particle, the stop
Part has multiple mesh, and the aperture of the mesh is less than the particle diameter of the acoustic absorbing medium.
14. a kind of mobile terminal, it is characterised in that the mobile terminal includes the electricity described in claim 1~13 any one
Acoustic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710811208.5A CN107454527A (en) | 2017-09-08 | 2017-09-08 | Electroacoustic device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710811208.5A CN107454527A (en) | 2017-09-08 | 2017-09-08 | Electroacoustic device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107454527A true CN107454527A (en) | 2017-12-08 |
Family
ID=60496243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710811208.5A Pending CN107454527A (en) | 2017-09-08 | 2017-09-08 | Electroacoustic device and mobile terminal |
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| Country | Link |
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| CN (1) | CN107454527A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948891A (en) * | 2017-12-12 | 2018-04-20 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
| WO2018166268A1 (en) * | 2017-03-14 | 2018-09-20 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Loudspeaker, loudspeaker device and mobile terminal |
| WO2020034555A1 (en) * | 2018-08-16 | 2020-02-20 | 歌尔股份有限公司 | Sound-emitting device and electronic device |
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| CN105872917A (en) * | 2016-03-28 | 2016-08-17 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN106851504A (en) * | 2017-03-14 | 2017-06-13 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
| CN206419654U (en) * | 2017-02-08 | 2017-08-18 | 绵阳昊天信息技术有限公司 | A kind of lift-on/lift-off type laser-projector of convenient disassembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105872917A (en) * | 2016-03-28 | 2016-08-17 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN206419654U (en) * | 2017-02-08 | 2017-08-18 | 绵阳昊天信息技术有限公司 | A kind of lift-on/lift-off type laser-projector of convenient disassembly |
| CN106851504A (en) * | 2017-03-14 | 2017-06-13 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018166268A1 (en) * | 2017-03-14 | 2018-09-20 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Loudspeaker, loudspeaker device and mobile terminal |
| US10432766B2 (en) | 2017-03-14 | 2019-10-01 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Loudspeaker, loudspeaker device and mobile terminal |
| CN107948891A (en) * | 2017-12-12 | 2018-04-20 | 广东欧珀移动通信有限公司 | Electroacoustic component, electroacoustic device and mobile terminal |
| WO2020034555A1 (en) * | 2018-08-16 | 2020-02-20 | 歌尔股份有限公司 | Sound-emitting device and electronic device |
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Application publication date: 20171208 |