CN107071670B - Loudspeaker, mobile terminal, control method and computer-readable medium - Google Patents
Loudspeaker, mobile terminal, control method and computer-readable medium Download PDFInfo
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- CN107071670B CN107071670B CN201710398185.XA CN201710398185A CN107071670B CN 107071670 B CN107071670 B CN 107071670B CN 201710398185 A CN201710398185 A CN 201710398185A CN 107071670 B CN107071670 B CN 107071670B
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- sound film
- vibration
- central region
- peripheral region
- controller
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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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses a kind of loudspeaker, the loudspeaker includes: magnet, and the magnet is for generating magnetic field；At least two coil groups, at least two coil groups for flowing through for electric current to move under the action of the magnetic field, at least two coil groups are also used to be electrically connected at controller to receive the control of the controller；Sound film, the sound film include central region and the peripheral region around the central region, and at least two coil groups are connected to the different location on the sound film；Piezoelectric transducer, the piezoelectric transducer are set to the vibration that the vibration of the central region of the sound film and the peripheral region of the sound film are detected on the sound film, and the piezoelectric transducer is for being electrically connected at the controller.Invention additionally discloses a kind of mobile terminal, control method and computer-readable mediums.
Description
Technical field
The present invention relates to electroacoustic transduction technical field more particularly to a kind of loudspeaker, mobile terminal, control method and calculating
Machine readable medium.
Background technique
Loudspeaker is commonly called as loudspeaker, is a kind of energy conversion device for completing the conversion between electric signal and voice signal.
Loudspeaker generally includes magnet, coil and the sound film for being connected to coil, sound film vibrated under the electromagnetic motion of coil with
Sounding.However, existing loudspeaker can not detect and balance sound film.
Summary of the invention
It is a primary object of the present invention to propose a kind of loudspeaker, mobile terminal, controlling party that can be detected and balance sound film
Method and computer-readable medium.
To achieve the above object, the embodiment of the present invention provides a kind of loudspeaker, comprising: magnet, the magnet is for producing
Magnetisation field；At least two coil groups, at least two coil groups are for flowing through for electric current to move under the action of the magnetic field, institute
It states at least two coil groups and is also used to be electrically connected at controller to receive the control of the controller；Sound film, the sound film include
Central region and the peripheral region around the central region, at least two coil groups are connected on the sound film not
Same position；Piezoelectric transducer, the piezoelectric transducer are set to the vibration that the central region of the sound film is detected on the sound film
The vibration of dynamic and the sound film peripheral region, the piezoelectric transducer is for being electrically connected at the controller.
Optionally, the loudspeaker further include: magnet frame, wherein the magnet is set on the magnet frame, at least two lines
Circle group is movably connected in the magnet frame.
Optionally, the magnet includes middle magnetic and the both sides magnetic positioned at the middle magnetic two sides, the middle magnetic and two sides
Magnetic is set on the magnet frame.
Optionally, each coil group is between the middle magnetic and the corresponding side magnetic, the sound film and the middle magnetic
It is oppositely arranged.
Optionally, the loudspeaker further includes two frame, and two frame is fixed on the magnet frame, two frame and institute
It states magnet frame and clamps the both sides magnetic, the sound film includes fixed part and the vibration section for being connected to fixed part, the fixed part connection
Between two frame, the vibration section includes the central region and the peripheral region, and at least two coil groups connect
The different location being connected on the vibration section, the piezoelectric transducer are set on the vibration section.
Optionally, the piezoelectric transducer has at least two, wherein a piezoelectric transducer is set to the middle part
Region, other piezoelectric transducers are set to the peripheral region.
Optionally, at least two coil groups are connected to the central region and the peripheral region or, described at least two
Coil group is connected to the different location of the peripheral region or, at least two coil groups are connected to the difference of the central region
Position.
The embodiment of the present invention also provides a kind of mobile terminal, and the mobile terminal includes loudspeaker as described above, institute
State controller and memory, wherein the memory is used for storage control system, and the control system can be held by the controller
It goes to perform the steps of the vibration signal and the sound of the central region for the sound film for receiving the piezoelectric transducer detecting
The vibration signal of the peripheral region of film；When the vibration of the peripheral region of the vibration signal and sound film of the central region of the sound film
When dynamic signal is not identical, the electric current of at least part coil group at least two coil groups is controlled to realize the sound film
The consistency of the vibration of central region and peripheral region.
Also a kind of control method of mobile terminal of the embodiment of the present invention, the mobile terminal includes loudspeaking as described above
Device, the controller and memory, wherein the memory is used for storage control system, and the control system can be by the control
Device processed is executed to realize that the control method, the control method include: the sound film for receiving the piezoelectric transducer detecting
Central region vibration signal and the sound film peripheral region vibration signal；When the vibration of the central region of the sound film
When the vibration signal of the peripheral region of signal and the sound film is not identical, at least part at least two coil groups is controlled
The electric current of coil group is to realize the consistency of the central region of the sound film and the vibration of peripheral region.
Also a kind of computer readable storage medium of the embodiment of the present invention, the computer-readable recording medium storage have control
System processed, the control system can be executed by least one controller, so that at least one described controller executes as described above
Mobile terminal control method the step of.
Loudspeaker, mobile terminal, control method and the computer-readable medium that the embodiment of the present invention proposes, the controller
The peripheral region of the vibration signal and sound film of the central region of the sound film detected according to the piezoelectric transducer
Vibration signal, come adjust at least two coil groups at least part coil group electric current to realize the middle region of the sound film
The consistency of the vibration in domain and peripheral region.The sound vibration of membrane can be intelligently balanced, sound loss and noise are reduced.
Detailed description of the invention
The structural schematic diagram of the mobile terminal of the embodiment of Fig. 1 to realize the present invention；
Fig. 2 is the hardware structure schematic diagram of mobile terminal as shown in Figure 1；
Fig. 3 is the planar structure schematic diagram of the loudspeaker of mobile terminal as shown in Figure 2；
Fig. 4 is the cross-sectional view of loudspeaker as shown in Figure 2；
The flow chart of the control method of the mobile terminal of the embodiment of Fig. 5 to realize the present invention；
The module map of the control device of the mobile terminal of the embodiment of Fig. 6 to realize the present invention；
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot
It is interpreted as its relative importance of indication or suggestion or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
Will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not the present invention claims
Protection scope within.
The mobile terminal of each embodiment of the present invention is realized in description with reference to the drawings.In subsequent description, use
For indicate element such as " module ", " component " or " unit " suffix only for being conducive to explanation of the invention, itself
There is no specific meanings.Therefore, " module " can be used mixedly with " component ".
Mobile terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as moving
Phone, smart phone, laptop, digit broadcasting receiver, PDA (personal digital assistant), PAD (tablet computer), PMP
(portable media player), navigation device etc. have the mobile terminal of communication function.Hereinafter it is assumed that terminal is mobile whole
End.However, it will be understood by those skilled in the art that other than the element for being used in particular for mobile purpose, it is according to the present invention
The construction of embodiment can also apply to the terminal of fixed type.
The embodiment of the present invention one provides a kind of mobile terminal 1.Fig. 1 and Fig. 2 is please referred to, the mobile terminal 1 includes: to raise
Sound device 2, memory 3, and the controller 4 in the memory 3 and the loudspeaker 2 is electrically connected.Optionally, described
Mobile terminal 1 further include: body 5, the controller 4, memory 3 and the loudspeaker 2 are mounted on the body 5.Example
Such as, the body 5 can be aluminum alloy materials and be made.In this manner it is achieved that the controller 4, memory 3 and described raising
The firm installation of sound device 2.
Fig. 3 and Fig. 4 is please referred to, the loudspeaker 2 includes: magnet 20, at least two coil groups 21, sound film 22 and piezoelectricity
Sensor 23.
The magnet 20 is for generating magnetic field.For example, the magnet 20 can be permanent magnet 20 or impermanent magnet
20 (such as electromagnet 20).
At least two coil groups 21 are for flowing through for electric current to move under the action of the magnetic field, at least two lines
Circle group 21 is also used to be electrically connected at the controller 4 to receive the control of controller 4.For example, at least two coil groups 21
It can be electric wire.
The sound film 22 includes central region 220 and the peripheral region 221 around the central region 220.For example,
The sound film 22 is rectangular, region of the central region 220 for the center of the neighbouring sound film 22, the peripheral region 221
For the region of the quadrangle of the neighbouring sound film 22.At least two coil groups 21 are connected to the different location on the sound film 22.
The piezoelectric transducer 23 is set to the vibration that the central region 220 of the sound film 22 is detected on the sound film 22
With the vibration of the peripheral region 221 of the sound film 22, the piezoelectric transducer 23 is for being electrically connected at the controller 4.Example
Such as, the piezoelectric transducer 23 can be piezoelectric film.
The memory 3 is stored with control system.The memory 3 includes at least a type of readable storage medium storing program for executing,
The readable storage medium storing program for executing includes flash memory, hard disk, multimedia card, card-type memory 3 (for example, SD or DX memory 3 etc.), random
Access memory 3 (RAM), static random-access memory 3 (SRAM), read-only memory 3 (ROM), electrically erasable only
Read memory 3 (EEPROM), programmable read only memory 3 (PROM), magnetic storage 3, disk, CD etc..In some implementations
In example, the memory 3 can be the internal storage unit of the mobile terminal 1, such as hard disk or memory.In other implementations
In example, the memory 3 is also possible to the External memory equipment of the mobile terminal 1, such as plug-in type hard disk, intelligent memory card
(Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card) etc..When
So, the memory 3 can also both including the mobile terminal 1 internal storage unit and also including its External memory equipment.This
In embodiment, the memory 3 is installed on the operating system and types of applications software of the mobile terminal 1 commonly used in storage,
Such as program code of the control method etc..In addition, the memory 3 can be also used for temporarily storing exported or
The Various types of data that will be exported.
Referring to Fig. 5, the control system can be executed by the controller 4 to realize control method.The controller 4 exists
Can be in some embodiments central controller 4 (Central Processing Unit, CPU), controller 4, microcontroller 4,
Or other data processing chips.The controller 4 commonly used in controlling the overall operation of the mobile terminal 1, such as execute with
The mobile terminal 1 carries out data interaction or the relevant control of communication and processing etc..In the present embodiment, the controller 4 is used
The program code or processing data stored in the operation memory 3, such as run the control method corresponding generation
Code etc..The control method includes: S1, receives the central region 220 for the sound film 22 that the piezoelectric transducer 23 is detected
The vibration signal of the peripheral region 221 of vibration signal and the sound film 22；S2, when the vibration of the central region 220 of the sound film 22
When the vibration signal of the peripheral region 221 of dynamic signal and the sound film 22 is not identical, control at least two coil groups 21
The electric current of at least part coil group 21 is to realize the one of the central region 220 of the sound film 22 and the vibration of peripheral region 221
Cause property.
The mobile terminal 1 that the embodiment of the present invention provides, the controller 4 are detected according to the piezoelectric transducer 23
The vibration signal of the peripheral region 221 of the vibration signal of the central region 220 of the sound film 22 and the sound film 22, to adjust
The electric current of at least part coil group 21 at least two coil groups 21 is stated to realize central region 220 and the week of the sound film 22
Enclose the consistency of the vibration in region 221.The vibration of the sound film 22 can be intelligently balanced, sound loss and noise are reduced.
Optionally, Fig. 3 and Fig. 4, the loudspeaker 2 further include: magnet frame 26 are please referred to, wherein the magnet 20 is set to institute
It states on magnet frame 26, at least two coil groups 21 are movably connected in the magnet frame 26.For example, the magnet frame 26 can be iron
Magnetic material is made.
Optionally, the magnet 20 includes middle magnetic 200 and the both sides magnetic 201 positioned at middle 200 two sides of magnetic, the middle magnetic
200 and two the side magnetic 201 be set to the magnet frame 26 on.In this way, magnetic field can be made more uniform, convenient for control.
Optionally, each coil group 21 is between the middle magnetic 200 and the corresponding side magnetic 201, the sound film 22
It is oppositely arranged with the middle magnetic 200.In this way, flat structure can be made, reduce the volume of the loudspeaker 2.
Optionally, the loudspeaker 2 further includes two frame 28, for example, the frame 28 can be in " 7 " font.Described two
Frame 28 is fixed on the magnet frame 26, and two frame 28 and the magnet frame 26 clamp the both sides magnetic 201.The sound film 22 wraps
It includes fixed part 226 and is connected to the vibration section 227 of fixed part 226.The fixed part 226 is connected between two frame 28.
The vibration section 227 includes the central region 220 and the peripheral region 221, and at least two coil groups 21 are connected to institute
The different location on vibration section 227 is stated, the piezoelectric transducer 23 is set on the vibration section 227.In this way, institute can be reinforced
State the stability of the structure of loudspeaker 2.
Optionally, the piezoelectric transducer 23 has at least two, wherein a piezoelectric transducer 23 is set to described
Central region 220, other piezoelectric transducers 23 are set to the peripheral region 221.For example, the piezoelectric transducer 23
There are five, wherein a piezoelectric transducer 23 is set to the central region 220, remaining four described piezoelectric transducer
23 are symmetrically disposed on the peripheral region 221.In this way, the balance of the vibration of the sound film 22 can be reinforced.
Optionally, at least two coil groups 21 are connected to the central region 220 and the peripheral region 221 or, institute
It states at least two coil groups 21 and is connected to the different location of the peripheral region 221 or, at least two coil groups 21 are connected to institute
State the different location of central region 220.In this way, the loudspeaker 2 can quickly respond the control signal of the controller 4 with
Realize the balance of the vibration of the sound film 22.
The embodiment of the present invention two provides a kind of control method of mobile terminal as described above 1.
Referring to Fig. 5, the control method includes:
S1 receives the vibration signal of the central region 220 for the sound film 22 that the piezoelectric transducer 23 is detected and described
The vibration signal of the peripheral region 221 of sound film 22.
For example, the vibration signal can be vibration frequency.
S2, when the vibration of the peripheral region 221 of the vibration signal and sound film 22 of the central region 220 of the sound film 22
When signal is not identical, the electric current of at least part coil group 21 at least two coil groups 21 is controlled to realize the sound film
The consistency of the vibration of 22 central region 220 and peripheral region 221.
For example, the controller 4 can control the power supply powered to two coil group 21 with control flow through it is described at least
The electric current of two coil groups 21.When the vibration signal (such as vibration frequency) of the central region 220 is better than the peripheral region 221
Vibration signal (such as vibration frequency), the controller 4 can control at least part coil at least two coil groups 21
The electric current of 21 (such as one group, two groups or whole coil groups 21) is organized to reduce vibration signal or the increase of the central region 220
The vibration signal of the peripheral region 221, to realize the central region 220 of the sound film 22 and the vibration of peripheral region 221
Consistency.
The control method for the mobile terminal 1 that the embodiment of the present invention provides, the controller 4 is according to the piezoelectric transducer
The vibration of the peripheral region 221 of the vibration signal and sound film 22 of the central region 220 of the 23 sound films 22 detected is believed
Number, to adjust the electric current of at least part coil group 21 at least two coil groups 21 to realize the middle part of the sound film 22
The consistency of the vibration in region 220 and peripheral region 221.The vibration of the sound film 22 can be intelligently balanced, sound damage is reduced
Mistake and noise.
The embodiment of the present invention three provides a kind of control device, and the control device is applied to loudspeaker 2 as described above.
Referring to Fig. 6, the control device includes:
Receiving module B1, the vibration of the central region 220 for receiving the sound film 22 that the piezoelectric transducer 23 is detected
The vibration signal of the peripheral region 221 of dynamic signal and the sound film 22.
For example, the vibration signal can be vibration frequency.
Control module B2, for around the vibration signal and the sound film 22 of the central region 220 of the sound film 22
When the vibration signal in region 221 is not identical, the electric current of at least part coil group 21 at least two coil groups 21 is controlled
To realize the consistency of the central region 220 of the sound film 22 and the vibration of peripheral region 221.
For example, the control module B2 can control the power supply powered to two coil group 21 with control flow through it is described extremely
The electric current of few two coil groups 21.When the vibration signal (such as vibration frequency) of the central region 220 is better than the peripheral region 221
Vibration signal (such as vibration frequency), the control module B2 can control at least part at least two coil groups 21
The electric current of coil group 21 is to reduce the vibration signal of the central region 220 or increase the vibration letter of the peripheral region 221
Number, to realize the consistency of the central region 220 of the sound film 22 and the vibration of peripheral region 221.
The control device that the embodiment of the present invention provides, the control device are detected according to the piezoelectric transducer 23
The vibration signal of the peripheral region 221 of the vibration signal of the central region 220 of the sound film 22 and the sound film 22, to adjust
The electric current of at least part coil group 21 at least two coil groups 21 is stated to realize central region 220 and the week of the sound film 22
Enclose the consistency of the vibration in region 221.The vibration of the sound film 22 can be intelligently balanced, sound loss and noise are reduced.
The embodiment of the present invention four provides a kind of computer readable storage medium, the readable storage medium storing program for executing include flash memory,
Hard disk, multimedia card, card-type memory 3 (for example, SD or DX memory 3 etc.), random access storage device 3 (RAM), static random
Access memory 3 (SRAM), read-only memory 3 (ROM), electrically erasable programmable read-only memory 3 (EEPROM), programmable
Read memory 3 (PROM), magnetic storage 3, disk, CD etc..The computer-readable recording medium storage has control system,
The control system can be executed by least one controller 4, so that at least one described controller 4 executes above-mentioned control method
The step of.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of loudspeaker, which is characterized in that the loudspeaker includes:
Magnet, the magnet is for generating magnetic field；
At least two coil groups, at least two coil groups are described for flowing through for electric current to move under the action of the magnetic field
At least two coil groups are also used to be electrically connected at controller to receive the control of the controller, and the control of the controller is specific
Are as follows: when the vibration signal of the vibration signal of the central region of sound film and the peripheral region of sound film is not identical, control is described at least
The electric current of at least part coil group in two coil groups is to realize the consistent of the central region of sound film and the vibration of peripheral region
Property；
Sound film, the sound film include central region and the peripheral region around the central region, at least two coils
Group is connected to the different location on the sound film；
Piezoelectric transducer, the piezoelectric transducer be set on the sound film with detect the sound film central region vibration and
The vibration of the peripheral region of the sound film, the piezoelectric transducer is for being electrically connected at the controller, the electric connection
In the controller specifically: the controller receives the vibration of the central region of the sound film of the piezoelectric transducer detecting
The vibration signal of the peripheral region of signal and the sound film.
2. loudspeaker according to claim 1, which is characterized in that further include: magnet frame, wherein the magnet is set to described
On magnet frame, at least two coil groups are movably connected in the magnet frame.
3. loudspeaker according to claim 2, which is characterized in that the magnet include middle magnetic and be located at the middle magnetic two sides
Both sides magnetic, the middle magnetic and the two side magnetic are set on the magnet frame.
4. loudspeaker according to claim 3, which is characterized in that each coil group is located at the middle magnetic and corresponding described
Between the magnetic of side, the sound film is oppositely arranged with the middle magnetic.
5. loudspeaker according to claim 4, which is characterized in that further include two frame, two frame is fixed on described
Magnet frame, two frame and the magnet frame clamp the both sides magnetic, and the sound film includes fixed part and the vibration for being connected to fixed part
Dynamic portion, the fixed part are connected between two frame, and the vibration section includes the central region and the peripheral region,
At least two coil groups are connected to the different location on the vibration section, and the piezoelectric transducer is set to the vibration section
On.
6. loudspeaker according to claim 1-5, which is characterized in that the piezoelectric transducer has at least two,
Wherein, a piezoelectric transducer is set to the central region, and other piezoelectric transducers are set to around described
Region.
7. loudspeaker according to claim 1-5, which is characterized in that at least two coil groups are connected to described
Central region and the peripheral region are or, at least two coil groups are connected to the different location of the peripheral region or, described
The different location that at least two coil groups are connected to the central region.
8. a kind of mobile terminal, which is characterized in that the mobile terminal includes such as the described in any item loudspeakings of claim 1-7
Device, the controller and memory, wherein the memory is used for storage control system, and the control system can be by the control
Device processed is executed to perform the steps of
Receive the vibration signal of the central region of the sound film of the piezoelectric transducer detecting and the peripheral region of the sound film
Vibration signal；
When the vibration signal of the vibration signal of the central region of the sound film and the peripheral region of the sound film is not identical, control
The electric current of at least part coil group at least two coil groups is to realize the central region and peripheral region of the sound film
Vibration consistency.
9. a kind of control method of mobile terminal, which is characterized in that the mobile terminal includes such as any one of claim 1-7 institute
Loudspeaker, the controller and the memory stated, wherein the memory is used for storage control system, and the control system can
Include: to realize the control method, the control method by controller execution
Receive the vibration signal of the central region of the sound film of the piezoelectric transducer detecting and the peripheral region of the sound film
Vibration signal；
When the vibration signal of the vibration signal of the central region of the sound film and the peripheral region of the sound film is not identical, control
The electric current of at least part coil group at least two coil groups is to realize the central region and peripheral region of the sound film
Vibration consistency.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has control system, the control system
System can be executed by least one controller, so that at least one described controller executes movement as described in claim 9 eventually
The step of control method at end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398185.XA CN107071670B (en) | 2017-05-31 | 2017-05-31 | Loudspeaker, mobile terminal, control method and computer-readable medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398185.XA CN107071670B (en) | 2017-05-31 | 2017-05-31 | Loudspeaker, mobile terminal, control method and computer-readable medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107071670A CN107071670A (en) | 2017-08-18 |
| CN107071670B true CN107071670B (en) | 2019-10-25 |
Family
ID=59616790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710398185.XA Active CN107071670B (en) | 2017-05-31 | 2017-05-31 | Loudspeaker, mobile terminal, control method and computer-readable medium |
Country Status (1)
| Country | Link |
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| CN (1) | CN107071670B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381402A (en) * | 2019-06-28 | 2019-10-25 | 努比亚技术有限公司 | A kind of earphone device and terminal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113803A (en) * | 2014-07-17 | 2014-10-22 | 瑞声声学科技(深圳)有限公司 | Multi-voice-coil based loudspeaker system |
| CN204442673U (en) * | 2015-03-31 | 2015-07-01 | 歌尔声学股份有限公司 | Suppress the speaker unit of polarization |
| CN105611473A (en) * | 2016-03-28 | 2016-05-25 | 歌尔声学股份有限公司 | Diaphragm-voice coil assembly and system and method for adjusting balance of vibrating voice coil |
| CN105959884A (en) * | 2016-05-24 | 2016-09-21 | 陈菁 | Plane diagram combined server type servo system and control method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9241227B2 (en) * | 2011-01-06 | 2016-01-19 | Bose Corporation | Transducer with integrated sensor |
-
2017
- 2017-05-31 CN CN201710398185.XA patent/CN107071670B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104113803A (en) * | 2014-07-17 | 2014-10-22 | 瑞声声学科技(深圳)有限公司 | Multi-voice-coil based loudspeaker system |
| CN204442673U (en) * | 2015-03-31 | 2015-07-01 | 歌尔声学股份有限公司 | Suppress the speaker unit of polarization |
| CN105611473A (en) * | 2016-03-28 | 2016-05-25 | 歌尔声学股份有限公司 | Diaphragm-voice coil assembly and system and method for adjusting balance of vibrating voice coil |
| CN105959884A (en) * | 2016-05-24 | 2016-09-21 | 陈菁 | Plane diagram combined server type servo system and control method thereof |
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| Publication number | Publication date |
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| CN107071670A (en) | 2017-08-18 |
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