CN106231514A - The sound cavity apparatus of a kind of mobile terminal and mobile terminal - Google Patents
The sound cavity apparatus of a kind of mobile terminal and mobile terminal Download PDFInfo
- Publication number
- CN106231514A CN106231514A CN201610796332.4A CN201610796332A CN106231514A CN 106231514 A CN106231514 A CN 106231514A CN 201610796332 A CN201610796332 A CN 201610796332A CN 106231514 A CN106231514 A CN 106231514A
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- sound
- mobile terminal
- chamber
- sound cavity
- sound chamber
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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)
Abstract
The invention discloses sound cavity apparatus and the mobile terminal of a kind of mobile terminal.Described sound cavity apparatus includes: be fixed with the first sound chamber of speaker and sealing；Described speaker just facing to sounding outside described first sound chamber；Described first sound chamber is provided with passive radiator in the sound cavity wall at the described speaker back side, and described passive radiator is the physical components of mobile terminal.The technical scheme that the embodiment of the present invention provides, by the physical components of mobile terminal is arranged in the sound cavity wall in the first sound chamber of sealing as passive radiator, by passive radiator, the sound wave in the first sound chamber can be reached push-push operation state through the sound wave of back action Yu speaker forward directed radiation, mobile terminal is made to have good acoustic radiation effect, improve the sensitivity of mobile terminal sounding, optimize the low frequency behavior of mobile terminal.
Description
Technical field
The present embodiments relate to electronics techniques, particularly relate to the sound cavity apparatus of a kind of mobile terminal and move eventually
End.
Background technology
Along with the development of mechanics of communication, mobile terminal miscellaneous fortune Ying Ersheng, such as, mobile phone, panel computer etc. set
Standby, these mobile terminals have become indispensable electronic product in consumer's daily life.It is integrated with on a lot of mobile terminals
Music playback function, user can play, by mobile terminal, the music oneself liked, and brings preferably experience to user.
But, the speaker system of current mobile terminal is because its bulk limits, and low frequency behavior is bad, and sound has been listened
Come shrivelled the most plentiful.In prior art, mobile terminal sends the mode of sound and mainly uses assembling speaker in airtight rear sound chamber
And to airtight rear sound chamber external radiation sound, this mode only make use of the sound of speaker head-on radiation, and after speaker is airtight
The sound wave in sound chamber does not use so that the low frequency behavior of mobile terminal is poor.
Summary of the invention
The present invention provides sound cavity apparatus and the mobile terminal of a kind of mobile terminal, to optimize the low frequency behavior of mobile terminal.
First aspect, embodiments provides the sound cavity apparatus of a kind of mobile terminal, including be fixed with speaker and
The the first sound chamber sealed；Described speaker just facing to sounding outside described first sound chamber；Raise described in faced by described first sound chamber
Being provided with passive radiator in the sound cavity wall at the sound device back side, described passive radiator is the physical components of mobile terminal.
Second aspect, the embodiment of the present invention additionally provides a kind of mobile terminal, and described mobile terminal is integrated with such as first party
Sound cavity apparatus described in face.
The embodiment of the present invention by being arranged on the first sound of sealing using the physical components of mobile terminal as passive radiator
In the sound cavity wall in chamber, can by passive radiator by the sound wave in the first sound chamber through back action and speaker forward directed radiation
Sound wave reaches push-push operation state so that mobile terminal has good acoustic radiation effect, optimizes the low frequency table of mobile terminal
Existing.
Accompanying drawing explanation
Fig. 1 is the side view of the mobile terminal being provided with sound cavity apparatus that the embodiment of the present invention one provides；
Fig. 2 is the front elevation of the mobile terminal being provided with sound cavity apparatus that the embodiment of the present invention one provides；
Fig. 3 is the side view of the mobile terminal being provided with sound cavity apparatus that the embodiment of the present invention two provides；
Fig. 4 is the back view of the mobile terminal being provided with sound cavity apparatus that the embodiment of the present invention two provides；
Fig. 5 is the structural representation of the mobile terminal that the embodiment of the present invention three provides.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention is illustrate only rather than entire infrastructure in description, accompanying drawing.
Embodiment one
Fig. 1 gives the side view of the mobile terminal being provided with sound cavity apparatus that the embodiment of the present invention one provides.Such as Fig. 1 institute
Show, the sound cavity apparatus of the mobile terminal that the present embodiment provides, including being fixed with speaker 12 and the first sound chamber L1 sealed；Described
Speaker 12 just facing to the outer sounding of described first sound chamber L1；Described first sound chamber L1 is in the face of the sound at described speaker 12 back side
Being provided with passive radiator 13 in cavity wall, described passive radiator 13 is the physical components of mobile terminal.Further, described sound
Chamber device also includes the second sound chamber L2 being provided with speaker voice giving hole 11, described speaker 12 just facing to described second sound
Chamber L2 is arranged.
Below the operation principle of the sound cavity apparatus of mobile terminal is illustrated:
On the one hand, be fixed on the first sound chamber L1 speaker 12 just carry out sounding facing to the second sound chamber L2, and pass through
Sound is passed to user by speaker voice giving hole 11；On the other hand, speaker 12 to the second sound chamber L2 sounding time, second can be caused
Air pressure in the L2 of sound chamber changes, and then causes the air pressure in the first sound chamber L1 to change, and is arranged on the first sound chamber L1 sound
The sound wave that passive radiator 13 in cavity wall will be produced by air pressure change in first sound chamber L1, with speaker 12 to the second sound chamber L2
The sound wave of radiation reaches push-push operation state, and sends user to by the vibration generation sound of passive radiator 13 so that move
Dynamic terminal is obtained in that preferable acoustic radiation effect, improves the sensitivity of mobile terminal sounding, optimizes the low of mobile terminal
Frequency performance.Further, since outside the sound wave in the second sound chamber L2 is utilized, the sound wave in the first sound chamber L1 is also utilized
Get up, even if the sound chamber volume of mobile terminal is little, it is also possible to obtain preferable acoustic radiation effect.By passive radiator 13 also
Carry out acoustic radiation, effectively reduce the work range of speaker, also make sound become apparent from transparent, optimize the low of mobile terminal
Frequency performance.
Wherein, the sensitivity of mobile terminal speaker 12 refers to add that rated power is the electricity of 1W at speaker 12 input
Produced sound pressure level at signal, distance speaker axis direction 1m.It embodies speaker and converts electrical energy into the efficiency of acoustic energy,
Sensitivity is the highest, and speaker 12 is the easiest to be driven by power amplifier.The sensitivity of described mobile terminal sounding embodies whole mobile whole
End converts electrical energy into the efficiency of acoustic energy.The present embodiment passes through the physical components of mobile terminal while speaker 12 sounding
Carry out sounding as passive radiator 13, improve the sensitivity of mobile terminal sounding.
Wherein, the sound wave in the first sound chamber L1 and speaker 12 are radiated by described passive radiator 13 to the second sound chamber L2
Sound wave reaches push-push operation state, specifically can make passive radiator by arranging spatial form and the size of the first sound chamber L1
The sound wave that sound wave in first sound chamber L1 radiates to the second sound chamber L2 with speaker 12 after inverting function can be reached by 13
Push-push operation state.
It should be noted that for ease of describing, speaker voice giving hole 11 shown in the side view of Fig. 1 mobile terminal, its
In, described speaker voice giving hole 11 may be provided at the side or bottom position of mobile terminal, and this is not limited by the present embodiment
System.
On the basis of technique scheme, described first sound chamber L1 is positioned close to the side of mobile terminal screen A.Institute
State the second sound chamber L2 and be positioned close to the side of battery of mobile terminal lid B.
Fig. 2 gives the front elevation of the mobile terminal being provided with sound cavity apparatus that the embodiment of the present invention one provides.Such as Fig. 2 institute
Show, in the one side that mobile terminal is provided with screen A, be provided with the physical components such as main menu button or fingerprint recognition button,
Described main menu button or fingerprint recognition button are arranged in the sound cavity wall of the first sound chamber L1 as passive radiator 13.Logical
Cross the main menu button of mobile terminal or fingerprint button as passive radiator 13, it is possible to use having in mobile terminal
Parts are as passive radiator 13, and without wanting extra parts of interpolation in the terminal, on the one hand reduce cost, another
Aspect has reached not affect the technique effect of mobile terminal appearance looks elegant.It will be appreciated by persons skilled in the art that described nothing
Source radiant body 13 is alternatively other buttons on mobile terminal.
On the basis of technique scheme, described second sound chamber L2 is battery cover B away from the sound cavity wall of the first sound chamber L1
A part.By a part of battery cover B can be saved making the second sound chamber directly as the sound cavity wall of the second sound chamber L2
The material of L2 sound cavity wall.
On the basis of technique scheme, described main menu button or fingerprint recognition button are by ring and the first sound
The sound cavity wall of chamber L1 connects.Described ring connects fixing for the sound cavity wall of entree singly-bound or fingerprint recognition key and the first sound chamber L1,
Described ring plays the effect of reset.The structure of described ring is prior art, is no longer illustrated at this.
On the basis of technique scheme, the material of described passive radiator 13 can be glass, pottery, metal or
Plastics.The material of described passive radiator 13 specifically can be chosen according to the outward appearance of mobile terminal, such as, if mobile terminal
Screen outer rim be ceramic material, then can elect the material of passive radiator 13 as pottery.Further, described passive radiation
The shape of body 13 is configured also dependent on outward appearance or the user's request of mobile terminal, and this is not limited by the present embodiment.
Embodiment two
Fig. 3 gives the side view of the mobile terminal being provided with sound cavity apparatus that the embodiment of the present invention two provides.The present embodiment
The sound cavity apparatus of the mobile terminal provided is unlike embodiment one: described first sound chamber L1 is positioned close to mobile terminal electricity
The side of basin lid B.Other structures are identical with above-described embodiment one, do not repeat them here, the most detailed description
Details can be found in above-described embodiment one.
As it is shown on figure 3, described first sound chamber L1 is positioned close to the side of battery of mobile terminal lid B.Described second sound chamber
L2 is positioned close to the side of mobile terminal screen A.
Fig. 4 gives the back view of the mobile terminal being provided with sound cavity apparatus that the embodiment of the present invention two provides.Such as Fig. 4 institute
Showing, in the one side that mobile terminal is provided with battery cover B, the physical components such as identifying body being provided with mobile terminal, by described mark
Know body to be arranged in the sound cavity wall of the first sound chamber L1 as passive radiator 13.By using the identifying body of mobile terminal as passive
Radiant body 13, it is possible to use the existing parts in mobile terminal as passive radiator 13, and without want extra mobile eventually
End adds parts, on the one hand reduces cost, on the other hand reached not affect the technique effect of mobile terminal appearance looks elegant.
Described identifying body can be the logo of mobile terminal.It will be appreciated by persons skilled in the art that described passive radiator 13 also
Can be that other on battery of mobile terminal lid can be with the parts of vibration sounding.
Described first sound chamber L1 is away from the sound cavity wall of the second sound chamber L2, and the most described first sound chamber L1 is in the face of described speaker 12
The sound cavity wall at the back side, for a part of battery cover B.By by a part of battery cover B directly as the sound chamber of the first sound chamber L1
Wall can save the material of the sound cavity wall making the first sound chamber L1.
Described identifying body is connected by the sound cavity wall of ring and the first sound chamber L1.Described ring is by identifying body and the first sound chamber
The sound cavity wall of L1 is fixing to be connected, and described ring plays the effect of reset.
The material of described passive radiator 13 can be glass, pottery, metal or plastics.Described passive radiator 13
Material specifically can be chosen according to the outward appearance of mobile terminal, further, and the shapes and sizes of described passive radiator 13
Outward appearance or user's request also dependent on mobile terminal are configured, and this is not limited by the present embodiment.
The sound cavity apparatus of mobile terminal that the present embodiment provides, by using the physical components of mobile terminal as passive radiation
Body is arranged in the sound cavity wall of the first sound chamber L1 of sealing, can be passed through by the sound wave in the first sound chamber L1 anti-by passive radiator
Sound wave to effect with speaker 12 forward directed radiation reaches push-push operation state so that mobile terminal has good acoustic radiation effect
Really, improve the sensitivity of mobile terminal sounding, optimize the low frequency behavior of mobile terminal.
Embodiment three
Present embodiments providing a kind of mobile terminal, this mobile terminal is integrated with the sound chamber dress as described in the various embodiments described above
Put.Described sound cavity apparatus is arranged in the housing of mobile terminal, specifically may be provided at the latter half of mobile terminal.
Fig. 5 gives the structural representation of the mobile terminal that the embodiment of the present invention three provides, as it is shown in figure 5, this moves end
End may include that memorizer 501, central processing unit (Central Processing Unit, hereinafter referred to as CPU) 502, peripheral hardware
Interface 503, RF (Radio Frequency, radio frequency) circuit 505, voicefrequency circuit 506, speaker 511, power management chip
508, input/output (I/O) subsystem 509, touch screen 512, other input/control devicess 510 and outside port 504, this
A little parts are communicated by one or more communication bus or holding wire 507.
It should be understood that diagram mobile terminal 500 is only an example of mobile terminal, and mobile terminal 500
Can have than the more or less parts shown in figure, two or more parts can be combined, or permissible
There is different parts configurations.Various parts shown in figure can include one or more signal processing and/or special
Integrated circuit realizes in the combination of interior hardware, software or hardware and software.
Exemplary, the mobile terminal in the present embodiment is specifically as follows the terminals such as mobile phone, panel computer, notebook, excellent
Elect smart mobile phone as.
The function of all parts of mobile terminal is described as a example by smart mobile phone.Memorizer 501, described memorizer 501 can
To be accessed by CPU502, Peripheral Interface 503 etc., described memorizer 501 can include high-speed random access memory, it is also possible to bag
Include nonvolatile memory, the most one or more disk memory, flush memory device or other volatile solid-state
Part.
Peripheral Interface 503, the input of equipment and output peripheral hardware can be connected to CPU502 and deposit by described Peripheral Interface 503
Reservoir 501.
I/O subsystem 509, described I/O subsystem 509 can be by the input/output peripheral on equipment, such as touch screen 512
With other input/control devicess 510, it is connected to Peripheral Interface 503.I/O subsystem 509 can include display controller 5091 He
For controlling one or more input controllers 5092 of other input/control devicess 510.Wherein, one or more input controls
Device 5092 processed receives the signal of telecommunication from other input/control devicess 510 or sends the signal of telecommunication to other input/control devicess 510,
Other input/control devicess 510 can include physical button (pressing button, rocker buttons etc.), dial, slide switch, behaviour
Vertical pole, click roller.What deserves to be explained is, input controller 5092 can with following any one be connected: keyboard, infrared port,
The instruction equipment of USB interface and such as mouse.
Touch screen 512, described touch screen 512 is the input interface between user terminal and user and output interface, can
Depending on output display to user, visual output can include figure, text, icon, video etc..
Display controller 5091 in I/O subsystem 509 receives the signal of telecommunication or to touch screen 512 from touch screen 512
Electric signals.Touch screen 512 detects the contact on touch screen, and the contact detected is converted to and shows by display controller 5091
User interface object on touch screen 512 mutual, i.e. realizes man-machine interaction, display user interface on touch screen 512
Object can be the icon of running game, be networked to the icon etc. of corresponding network.What deserves to be explained is, equipment can also include light
Mus, light Mus is the touch sensitive surface not showing visual output, or the extension of the touch sensitive surface formed by touch screen.
RF circuit 505, is mainly used in the communication setting up mobile phone with wireless network (i.e. network side), it is achieved mobile phone and wireless network
The data receiver of network and transmission.Such as receive and dispatch short message, Email etc..Specifically, RF circuit 505 receives and sends RF letter
Number, RF signal is also referred to as electromagnetic signal, and RF circuit 505 converts electrical signals to electromagnetic signal or electromagnetic signal is converted to telecommunications
Number, and communicated with communication network and other equipment by this electromagnetic signal.RF circuit 505 can include for performing
The known circuit of these functions, its include but not limited to antenna system, RF transceiver, one or more amplifier, tuner, one
Individual or multiple agitator, digital signal processor, CODEC (COder-DECoder, coder) chipset, ID mould
Block (Subscriber Identity Module, SIM) etc..
Voicefrequency circuit 506, is mainly used in receiving voice data from Peripheral Interface 503, this voice data is converted to telecommunications
Number, and this signal of telecommunication is sent to speaker 511.
Speaker 511, for the voice signal received from wireless network by RF circuit 505 by mobile phone, is reduced to sound
And play this sound to user.
Power management chip 508, supplies for the hardware connected by CPU502, I/O subsystem 509 and Peripheral Interface
Electricity and power management.
The mobile terminal that the present embodiment provides is integrated with the sound cavity apparatus provided such as embodiment one or embodiment two, passes through
The physical components of mobile terminal is arranged in the sound cavity wall in the first sound chamber of sealing as passive radiator, can be by passive spoke
Sound wave in first sound chamber is reached push-push operation state through the sound wave of back action Yu speaker forward directed radiation by beam so that
Mobile terminal has good acoustic radiation effect, improves the sensitivity of mobile terminal sounding, optimizes the low frequency of mobile terminal
Performance, the clear sound making mobile terminal send is transparent.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example, the present invention is carried out
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (12)
1. the sound cavity apparatus of a mobile terminal, it is characterised in that include the first sound chamber being fixed with speaker and sealing；Described
Speaker just facing to sounding outside described first sound chamber；
Described first sound chamber is provided with passive radiator in the sound cavity wall at the described speaker back side, and described passive radiator is
The physical components of mobile terminal.
Sound cavity apparatus the most according to claim 1, it is characterised in that also include the second sound being provided with speaker voice giving hole
Chamber, just arranging facing to described second sound chamber of described speaker.
Sound cavity apparatus the most according to claim 2, it is characterised in that described first sound chamber is positioned close to mobile terminal screen
The side of curtain.
Sound cavity apparatus the most according to claim 2, it is characterised in that described first sound chamber is positioned close to mobile terminal electricity
The side of basin lid.
Sound cavity apparatus the most according to claim 3, it is characterised in that described physical components be mobile terminal main menu by
Key or fingerprint recognition button.
Sound cavity apparatus the most according to claim 4, it is characterised in that described physical components is the mark on mobile terminal case
Know body.
Sound cavity apparatus the most according to claim 3, it is characterised in that described second sound chamber is away from the sound cavity wall in the first sound chamber
A part for battery cover.
Sound cavity apparatus the most according to claim 4, it is characterised in that described first sound chamber is away from the sound cavity wall in the second sound chamber
A part for battery cover.
Sound cavity apparatus the most according to claim 5, it is characterised in that described main menu button or fingerprint recognition are by push-to
The sound cavity wall crossing ring and the first sound chamber connects.
Sound cavity apparatus the most according to claim 6, it is characterised in that described identifying body is by ring and the first sound chamber
Sound cavity wall connects.
11. according to the sound cavity apparatus described in any one of claim 1-10, it is characterised in that the material of described passive radiator is
Glass, pottery, metal or plastics.
12. 1 kinds of mobile terminals, it is characterised in that described mobile terminal is integrated with the sound chamber as described in claim 1-11 is arbitrary
Device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610796332.4A CN106231514B (en) | 2016-08-31 | 2016-08-31 | The sound cavity apparatus and mobile terminal of a kind of mobile terminal |
| CN201810291797.3A CN108513229A (en) | 2016-08-31 | 2016-08-31 | A kind of sound cavity apparatus and mobile terminal of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610796332.4A CN106231514B (en) | 2016-08-31 | 2016-08-31 | The sound cavity apparatus and mobile terminal of a kind of mobile terminal |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810291797.3A Division CN108513229A (en) | 2016-08-31 | 2016-08-31 | A kind of sound cavity apparatus and mobile terminal of mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106231514A true CN106231514A (en) | 2016-12-14 |
| CN106231514B CN106231514B (en) | 2018-05-08 |
Family
ID=58074437
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810291797.3A Pending CN108513229A (en) | 2016-08-31 | 2016-08-31 | A kind of sound cavity apparatus and mobile terminal of mobile terminal |
| CN201610796332.4A Expired - Fee Related CN106231514B (en) | 2016-08-31 | 2016-08-31 | The sound cavity apparatus and mobile terminal of a kind of mobile terminal |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810291797.3A Pending CN108513229A (en) | 2016-08-31 | 2016-08-31 | A kind of sound cavity apparatus and mobile terminal of mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108513229A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108650345A (en) * | 2018-04-25 | 2018-10-12 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN108712693A (en) * | 2018-03-26 | 2018-10-26 | 广东欧珀移动通信有限公司 | Housing unit and electronic equipment with it |
| WO2021026786A1 (en) * | 2019-08-13 | 2021-02-18 | 海能达通信股份有限公司 | Acoustic radiation assembly and sound emitting device |
| CN112629455A (en) * | 2020-12-15 | 2021-04-09 | 广东小天才科技有限公司 | Battery deformation detection method and device, detection equipment and storage medium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109803215B (en) * | 2018-12-18 | 2021-01-22 | 歌尔股份有限公司 | Acoustic device and electronic apparatus |
| CN112689220A (en) * | 2021-01-22 | 2021-04-20 | 深圳市锐尔觅移动通信有限公司 | Electronic device |
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| US5629502A (en) * | 1994-03-02 | 1997-05-13 | Sony Corporation | Speaker apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108712693A (en) * | 2018-03-26 | 2018-10-26 | 广东欧珀移动通信有限公司 | Housing unit and electronic equipment with it |
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| WO2021026786A1 (en) * | 2019-08-13 | 2021-02-18 | 海能达通信股份有限公司 | Acoustic radiation assembly and sound emitting device |
| CN112629455A (en) * | 2020-12-15 | 2021-04-09 | 广东小天才科技有限公司 | Battery deformation detection method and device, detection equipment and storage medium |
| CN112629455B (en) * | 2020-12-15 | 2022-08-26 | 广东小天才科技有限公司 | Battery deformation detection method and device, detection equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106231514B (en) | 2018-05-08 |
| CN108513229A (en) | 2018-09-07 |
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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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Granted publication date: 20180508 |