CN103260114A - Miniature loudspeaker module applied on electronic product and electronic product - Google Patents
Miniature loudspeaker module applied on electronic product and electronic product Download PDFInfo
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- CN103260114A CN103260114A CN2012100361890A CN201210036189A CN103260114A CN 103260114 A CN103260114 A CN 103260114A CN 2012100361890 A CN2012100361890 A CN 2012100361890A CN 201210036189 A CN201210036189 A CN 201210036189A CN 103260114 A CN103260114 A CN 103260114A
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- 230000005291 magnetic effect Effects 0.000 claims abstract description 57
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004220 aggregation Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 229910001172 neodymium magnet Inorganic materials 0.000 description 5
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 150000002910 rare earth metals Chemical class 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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Abstract
The invention provides a miniature loudspeaker module applied on an electronic product and the electronic product. The miniature loudspeaker module applied on the electronic product and the electronic product comprise a miniature loudspeaker unit and a sound cavity module unit of the electronic product. The miniature loudspeaker unit comprises a ferrite magnet, a frame of the sound cavity module unit of the electronic product also serves as a frame of the miniature loudspeaker unit, and the miniature loudspeaker unit and the sound cavity module unit of the electronic product are composite as a whole. The miniature loudspeaker module further comprises a wireless charging receiving coil adhered to the ferrite magnet. The miniature loudspeaker module applied on the electronic product is small in size, can be designed to be of different structures according to the structure of a concrete electronic product, is low in whole production cost, simple in structure, convenient to use, and suitable for most portable electronic products, and further effectively improves wireless charging efficiency due to aggregation of the ferrite magnet on a magnetic line of force.
Description
Technical field
Embodiment of the present invention relates to the loudspeaker techniques field, more specifically, relates to a kind of Microspeaker module and electronic product that is applied to electronic product.
Background technology
Microspeaker is a kind of miniature electro-acoustic transducer spare, is widely used at present in the electronic products such as panel computer, MP3, MP4, notebook computer, portable terminal, PDA(Personal Digital Assistant).Microspeaker in the electronic product mainly is made of framework, magnet steel, shell fragment, vibrating diaphragm, voice coil loudspeaker voice coil, magnetic conductive board, iron core etc.Its magnetic circuit system looping magnetic gap is covered with uniform magnetic field (size of magnetic flux density is identical with direction) therebetween everywhere.The vibrational system of loud speaker is made of the annular voice coil loudspeaker voice coil of lead coiled and the vibrating diaphragm that is attached thereto.After voice coil loudspeaker voice coil is fed into signal voltage, produce electric current, the voice coil loudspeaker voice coil cutting magnetic line produces active force, drives vibrating diaphragm and moves up and down together, and vibrating diaphragm is instigated air and sent corresponding sound.Whole process is: the conversion of electricity-Li-sound.
The magnet steel of Microspeaker is mainly neodymium iron boron magnetic body at present, this class magnet has the advantages that volume is little, in light weight and magnetic is strong, but because it belongs to rare earth permanent-magnetic material, in today that the rare earth price grows to even greater heights, make the cost of producing loud speaker also increase greatly.The magnetic of ferrimagnet is weaker than neodymium iron boron magnetic body, if will reach the same magnetic effect, volume need be several times as much as neodymium iron boron magnetic body, therefore be difficult to use in Microspeaker, but ferrimagnet is cheap, and temperature tolerance is good, and production technology is simple.
Existing Microspeaker magnet adopts the rare earth permanent-magnetic material neodymium iron boron magnetic body more.And existing Microspeaker finished product generally places the sound chamber module of electronic product to realize the playback of sound.
Yet rare earth resources is rare at present, and price grows to even greater heights, and this makes that the production cost of Microspeaker is higher.In addition, use traditional structure and use the speaker size of ferrimagnet formation bigger, be difficult to realize microminiaturized.
Summary of the invention
Embodiment of the present invention proposes a kind of Microspeaker module that is applied to electronic product, gives birth to this to reduce to produce.
The invention process side also proposes a kind of electronic product, gives birth to this to reduce to produce.
The concrete scheme of embodiment of the present invention is as follows:
A kind of Microspeaker module that is applied to electronic product, this Microspeaker module comprises: the sound chamber module group unit of micro loudspeaker unit and electronic product, this micro loudspeaker unit comprises ferrite lattice, and the framework of the sound chamber module group unit of this electronic product is simultaneously also as the framework of this micro loudspeaker unit, and the sound chamber module group unit of described micro loudspeaker unit and electronic product is compound to be one.
This Microspeaker module further comprises: be attached to the wireless charging receiving coil on the described ferrite lattice;
This wireless charging receiving coil is used for the coupling reception and comes from the high-frequency current of the wireless charger outside this electronic product to realize the wireless charging function;
Ferrimagnet, the magnetic line of force that is used for described wireless charger accumulates in around this ferrimagnet.
This micro loudspeaker unit is the external magnetic type loop configuration.
Magnetic loop system in this Microspeaker module and vibrational system be shaped as rectangle, circle or oval.
This magnetic loop system comprises described ferrite lattice, T iron and magnetic conductive board.
This vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil.
A kind of electronic product, this electronic product comprise sound chamber module group unit, micro loudspeaker unit, wireless charging electrode and are attached to wireless charging receiving coil on the described ferrite lattice; Wherein:
Micro loudspeaker unit comprises ferrite lattice, and the framework of this sound chamber module group unit is simultaneously also as the framework of this micro loudspeaker unit, and described micro loudspeaker unit and sound chamber module group unit are compound to be one; The wireless charging receiving coil is used for the coupling reception and comes from the electric current of the wireless charger outside this electronic product to realize the wireless charging function; Ferrimagnet, the magnetic line of force that is used for described wireless charger accumulates in around this ferrimagnet; The wireless charging electrode is used for the electric current that the wireless charging receiving coil receives is sent to the battery of this electronic product, thinks this battery charge.
This electronic product is panel computer, MP3, MP4, notebook computer, portable terminal or PDA(Personal Digital Assistant).
This micro loudspeaker unit is the external magnetic type loop configuration.
Magnetic loop system in this Microspeaker module and vibrational system are shaped as rectangle, circle or oval.
This magnetic loop system comprises described ferrite lattice, T iron and magnetic conductive board.
This vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil.
As can be seen, in embodiment of the present invention, this Microspeaker module that is applied to electronic product comprises the sound chamber module group unit of micro loudspeaker unit and electronic product from technique scheme.Micro loudspeaker unit comprises ferrite lattice, and the framework of the sound chamber module group unit of this electronic product is simultaneously also as the framework of this micro loudspeaker unit, and the sound chamber module group unit of micro loudspeaker unit and electronic product is compound to be one.This shows that embodiment of the present invention will utilize ferrite to combine as the loud speaker of magnet and the sound chamber module of electronic product.Because framework and the sound chamber framework of loud speaker united two into one, saved foam and original speaker frame, so the volume of embodiment of the present invention is less, can use ferrite as magnet with the saving cost.
Simultaneously, the loud speaker module of embodiment of the present invention can be different structures according to concrete electronic product structural design, and the overall manufacturing cost is lower, and structure is simple relatively, and it is convenient to use, and is applicable to most of portable electronic products.
And, in embodiment of the present invention, can realize wireless charging to the battery of electronic product, and can utilize ferrimagnet to the aggtegation of the magnetic line of force, improve wireless charging efficient effectively.
Description of drawings
Fig. 1 is the electronic product shape figure according to the using miniature loud speaker module of embodiment of the present invention;
Fig. 2 is the electronic product profile according to the using miniature loud speaker module of embodiment of the present invention;
Fig. 3 is the structure chart according to the Microspeaker module of embodiment of the present invention;
Fig. 4 is the structure chart of the Microspeaker module of another execution mode according to the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In embodiment of the present invention, with the sound chamber module of traditional Microspeaker system and portable type electronic product compound be one, utilize the sound chamber enclosure as speaker housings, make loud speaker and electronic product sound chamber module unite two into one, therefore this partial volume can be reduced to greatest extent.
And, because volume has obtained reduction, the loud speaker module of embodiment of the present invention can utilize ferrite lattice as magnet, make production cost lower, and structurally greatly simplify, be applicable to most of portable type electronic products (such as portable terminal, panel computer, notebook computer, MP3/MP4 player, digital camera etc.).
In addition, in embodiment of the present invention, further with the sound chamber module of wireless charging receiving coil and speaker system, electronic product compound be one, utilize creatively that ferrimagnet further improves the charge efficiency of wireless charging effectively to the aggtegation of the magnetic line of force in the miniature moving-coil speaker.
Fig. 1 is the electronic product shape figure according to the using miniature loud speaker module of embodiment of the present invention.Fig. 2 is the electronic product profile according to the using miniature loud speaker module of embodiment of the present invention.
Referring to above-mentioned figure, this Microspeaker module comprises: the sound chamber module group unit of micro loudspeaker unit and electronic product, this micro loudspeaker unit comprises ferrite lattice 1, and the framework 7 of the sound chamber module group unit 8 of this electronic product is simultaneously also as the framework of this micro loudspeaker unit, and the sound chamber module group unit 8 of micro loudspeaker unit and electronic product compound be one.
Wherein miniature moving-coil speaker unit specifically can comprise: vibrating diaphragm 2, voice coil loudspeaker voice coil 3, ferrimagnet 1, magnetic conductive board 4, spring 5 and T iron 6.Neodymium iron boron magnetic body in the alternative miniature moving-coil speaker of the prior art system of embodiment of the present invention employing ferrimagnet.
And, sound chamber module group unit 8 can adopt various sounds chamber module commonly used at present, and the total part that this Microspeaker module framework 7 is sound chamber module group unit 8 and micro loudspeaker unit, be combined by realization that the framework of loud speaker and sound chamber framework are united two into one, and saved sealing foam between loud speaker and the sound chamber.
Those skilled in the art can recognize, based on the disclosure of embodiment of the present invention, and structure and the profile of the structure of sound cavity segment and loudspeaker unit part, the putting position etc. that comprises spring all can carry out specific design according to the structure of the electronic product of concrete application.
Fig. 3 is the structure chart according to the Microspeaker module of embodiment of the present invention.Parts identical between each figure adopt identical mark.
As shown in Figure 3, magnetic loop system in the Microspeaker (comprising ferrimagnet 1, T iron 6, magnetic conductive board 4), vibrational system (comprising vibrating diaphragm 2, voice coil loudspeaker voice coil 3) shape can be rectangle, circular or oval, wherein ferrimagnet 1 can be loop configuration with magnetic conductive board 4, and the outer shroud area is about about three times that inner ring surface amasss.At work, drive voice coil loudspeaker voice coil 3 by external circuit and drive vibrating diaphragm 2 promotion air sounding, thereby realize perfect sound reproduction.This Microspeaker module can also comprise front shroud 9 and back shroud 10.
Preferably, in embodiment of the present invention, further comprise the wireless charging receiving coil that is attached on the ferrite lattice.This wireless charging receiving coil is used for the coupling reception and comes from the high-frequency current of the wireless charger outside this electronic product to realize the wireless charging function; Ferrimagnet, the magnetic line of force that is used for described wireless charger accumulates in around this ferrimagnet.
The wireless charging technology is the emerging in recent years alternating current impression technology of utilizing the electromagnetic wave induction principle and being correlated with, sending and receiving terminal sends and receive the technology that AC signal that generation responds to is charged with corresponding coil, it comes from the wireless power conveying technology, utilize transmission charge in the air of magnetic resonance between charger and equipment, coil and capacitor then form resonance between charger and equipment, realize the technology of electric energy high efficiency of transmission.
In the all-in-one micro loud speaker module with wireless charging function that utilizes the ferrimagnet formation that embodiment of the present invention proposes, utilize the original sound chamber module in the electronic product, ferrimagnet and other speaker member and wireless charging receiving coil are integrated in the inside, can reach the sound reproduction effect identical with traditional design, and by increasing a wireless charging receiving coil, utilize ferrimagnet to the aggtegation of the magnetic line of force, improve the charge efficiency of wireless charger effectively.
Fig. 4 is the structure chart of the Microspeaker module of another execution mode according to the present invention.Parts identical between each figure adopt identical mark.
As seen from Figure 4, this Microspeaker module comprises: the sound chamber module group unit of micro loudspeaker unit and electronic product, this micro loudspeaker unit comprises ferrite lattice 1, and also as the framework of this micro loudspeaker unit, the sound chamber module group unit of micro loudspeaker unit and electronic product is compound to be one to the framework of the sound chamber module group unit of this electronic product simultaneously.This Microspeaker module can also comprise front shroud 9 and back shroud 10.
This Microspeaker module further comprises: be attached to the wireless charging receiving coil 11 on the described ferrite lattice 1; This wireless charging receiving coil 11 is used for the coupling reception and comes from the high-frequency current of the wireless charger outside this electronic product to realize the wireless charging function; Ferrimagnet 1, the magnetic line of force that is used for described wireless charger accumulates in around this ferrimagnet.
More specifically, this Microspeaker module can comprise framework 7, sound chamber 8, ferrimagnet 1, T iron 6, magnetic conductive board 4, voice coil loudspeaker voice coil 3, vibrating diaphragm 2, spring (or shell fragment) 5 and wireless charging receiving coil 11.The framework in sound chamber and the framework of loudspeaker unit unite two into one; Structure and the profile of the structure of sound cavity segment and loudspeaker unit part, the putting position etc. that comprises spring 5 all can be carried out specific design according to the structure of the electronic product of concrete application.
Magnetic loop system among Fig. 4 (comprising ferrimagnet 1, T iron 6, magnetic conductive board 4), vibrational system (comprising vibrating diaphragm 2, voice coil loudspeaker voice coil 3) shape can be rectangle, circular or oval, wherein ferrimagnet and magnetic conductive board can be loop configuration, and the outer shroud area is about about three times that inner ring surface amasss.Drive voice coil loudspeaker voice coil by external circuit in the work and drive vibrating diaphragm promotion air sounding, thereby realize perfect sound reproduction.
And wireless charging receiving coil 11 is attached to ferrimagnet 1 outside, and ferrimagnet 1 is assembled the magnetic line of force of the transmitting coil generation of wireless charger, can improve charge efficiency.The wireless charging electrode can be connected to the electric current that wireless charging receiving coil 11 receives the battery of electronic product, thereby is embodied as the battery wireless charging of electronic product.
The wireless charger that is positioned at outside the Microspeaker module adopts the hundreds of KHz energy to be launched by transmitting coil to the carrier frequency of hundreds of megahertz, after wireless charging receiving coil coupling in the embodiment of the present invention receives the energy of wireless charger emission, the high-frequency current that receives after being direct current, circuit conversion is realized battery charging function.Higher because of the carrier frequency of wireless charging, do not interfere with each other so can not produce with audio signal.
As seen, in a preferred implementation, proposed a kind of all-in-one micro loud speaker module with wireless charging function that utilizes ferrimagnet to constitute, it can be made of jointly ferrite coil-moving speaker, electronic product sound chamber module and wireless charging receiving coil.Wherein: speaker portion can utilize ferrite as magnet, preferably has the external magnetic type loop configuration, magnetic loop system and vibrational system shape can be rectangle, circular or oval, and wireless charging partly utilizes ferrimagnet to the aggtegation of the magnetic line of force, improves the charge efficiency of wireless charger effectively.
Structure according to actual electronic product, design sound chamber modular structure, and the framework of module framework as loud speaker, and other member of loud speaker and wireless charging receiving coil are integrated wherein, make it become a complete Microspeaker module, realize perfect sound reproduction and wireless charging function efficiently.
Alternatively, if do not need the wireless charging function, can not increase the wireless charging receiving coil during specific design, also be a complete Microspeaker module.
Based on above-mentioned labor, embodiment of the present invention has also proposed a kind of electronic product.This electronic product can have the Microspeaker module of foregoing description.Specifically comprise: sound chamber module group unit, micro loudspeaker unit, wireless charging electrode and be attached to wireless charging receiving coil on the ferrite lattice.Wherein:
Micro loudspeaker unit comprises ferrite lattice, and the framework of this sound chamber module group unit is simultaneously also as the framework of this micro loudspeaker unit, and micro loudspeaker unit and sound chamber module group unit are compound to be one; The wireless charging receiving coil is used for the coupling reception and comes from the electric current of the wireless charger outside this electronic product to realize the wireless charging function; Ferrimagnet, the magnetic line of force that is used for described wireless charger accumulates in around this ferrimagnet; The wireless charging electrode is used for the electric current that the wireless charging receiving coil receives is sent to the battery of this electronic product, thinks this battery charge.
In one embodiment, this electronic product can portable type electronic product, such as panel computer, MP3, MP4, notebook computer, digital camera, portable terminal or PDA(Personal Digital Assistant), etc.
Though more than enumerated the embodiment of electronic product in detail, it will be appreciated by those of skill in the art that this enumerating only is illustrative, be not limited to the protection range of embodiment of the present invention.
Alternatively, micro loudspeaker unit can be the external magnetic type loop configuration.And the magnetic loop system in this Microspeaker module and vibrational system shape can be rectangle, circle or oval, etc.
This shows that the present invention will utilize ferrite to combine as the Microspeaker of magnet and the sound chamber module of portable type electronic product, can reach the sound reproduction effect identical with traditional design.The loud speaker module of embodiment of the present invention can be different structures according to concrete electronic product structural design simultaneously, therefore the overall manufacturing cost is lower, structure is simple relatively, volume is little (because framework and the sound chamber framework of the loud speaker of prior art united two into one, foam and original speaker frame have been saved), and use conveniently, be applicable to most of portable electronic products (as portable terminal, notebook computer, panel computer, MP3/MP4 player, digital camera etc.).
And, in embodiment of the present invention, can utilize ferrimagnet to the aggtegation of the magnetic line of force, further improve wireless charging efficient effectively.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. Microspeaker module that is applied to electronic product, it is characterized in that, this Microspeaker module comprises: the sound chamber module group unit of micro loudspeaker unit and electronic product, this micro loudspeaker unit comprises ferrite lattice, and the framework of the sound chamber module group unit of this electronic product is simultaneously also as the framework of this micro loudspeaker unit, and the sound chamber module group unit of described micro loudspeaker unit and electronic product is compound to be one.
2. the Microspeaker module that is applied to electronic product according to claim 1 is characterized in that, this Microspeaker module further comprises: be attached to the wireless charging receiving coil on the described ferrite lattice;
This wireless charging receiving coil is used for the coupling reception and comes from the high-frequency current of the wireless charger outside this electronic product to realize the wireless charging function;
Ferrimagnet, the magnetic line of force that is used for described wireless charger accumulates in around this ferrimagnet.
3. the Microspeaker module that is applied to electronic product according to claim 1 is characterized in that, this micro loudspeaker unit is the external magnetic type loop configuration.
4. the Microspeaker module that is applied to electronic product according to claim 1 is characterized in that, the magnetic loop system in this Microspeaker module and vibrational system be shaped as rectangle, circle or oval.
5. the Microspeaker module that is applied to electronic product according to claim 4 is characterized in that this magnetic loop system comprises described ferrite lattice, T iron and magnetic conductive board.
6. the Microspeaker module that is applied to electronic product according to claim 4 is characterized in that this vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil.
7. an electronic product is characterized in that, this electronic product comprises sound chamber module group unit, micro loudspeaker unit, wireless charging electrode and is attached to wireless charging receiving coil on the described ferrite lattice; Wherein:
Micro loudspeaker unit comprises ferrite lattice, and the framework of this sound chamber module group unit is simultaneously also as the framework of this micro loudspeaker unit, and described micro loudspeaker unit and sound chamber module group unit are compound to be one; The wireless charging receiving coil is used for the coupling reception and comes from the electric current of the wireless charger outside this electronic product to realize the wireless charging function; Ferrimagnet, the magnetic line of force that is used for described wireless charger accumulates in around this ferrimagnet; The wireless charging electrode is used for the electric current that the wireless charging receiving coil receives is sent to the battery of this electronic product, thinks this battery charge.
8. electronic product according to claim 7 is characterized in that, this electronic product is panel computer, MP3, MP4, notebook computer, digital camera, portable terminal or personal digital assistant PDA.
9. electronic product according to claim 7 is characterized in that, this micro loudspeaker unit is the external magnetic type loop configuration.
10. electronic product according to claim 7 is characterized in that, the magnetic loop system in this Microspeaker module and vibrational system are shaped as rectangle, circle or oval.
11. electronic product according to claim 10 is characterized in that, this magnetic loop system comprises described ferrite lattice, T iron and magnetic conductive board.
12. electronic product according to claim 10 is characterized in that, this vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210036189.0A CN103260114B (en) | 2012-02-17 | 2012-02-17 | A kind of Microspeaker module being applied to electronic product and electronic product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210036189.0A CN103260114B (en) | 2012-02-17 | 2012-02-17 | A kind of Microspeaker module being applied to electronic product and electronic product |
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| CN103260114A true CN103260114A (en) | 2013-08-21 |
| CN103260114B CN103260114B (en) | 2016-08-24 |
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Cited By (7)
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| CN107124686A (en) * | 2017-06-29 | 2017-09-01 | 维沃移动通信有限公司 | A kind of loudspeaker, assembly method and electronic equipment |
| CN107197399A (en) * | 2017-06-24 | 2017-09-22 | 佛山市亿永创网络科技有限公司 | A kind of Microspeaker module applied to electronic product |
| CN107493552A (en) * | 2017-09-29 | 2017-12-19 | 努比亚技术有限公司 | Loudspeaker and the mobile terminal with the loudspeaker |
| CN107690732A (en) * | 2015-04-20 | 2018-02-13 | 株式会社Hctm | Mobile device loop aerial |
| CN108289271A (en) * | 2018-03-06 | 2018-07-17 | 珠海市源声电子有限公司 | A kind of rectangular moving-coil loudspeaker |
| US10439439B2 (en) | 2017-02-13 | 2019-10-08 | STMicroelectronics (Grand Ouest) SAS | Method and device for the contactless energy transfer to an apparatus equipped with a loudspeaker |
| CN110912369A (en) * | 2019-12-07 | 2020-03-24 | 歌尔股份有限公司 | Electronic product and electronic product assembly |
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| CN101340855A (en) * | 2005-12-21 | 2009-01-07 | 皇家飞利浦电子股份有限公司 | Combined inductive charging coil and audio speaker for use in a personal care appliance |
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Cited By (9)
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| CN107690732A (en) * | 2015-04-20 | 2018-02-13 | 株式会社Hctm | Mobile device loop aerial |
| US10439439B2 (en) | 2017-02-13 | 2019-10-08 | STMicroelectronics (Grand Ouest) SAS | Method and device for the contactless energy transfer to an apparatus equipped with a loudspeaker |
| CN107197399A (en) * | 2017-06-24 | 2017-09-22 | 佛山市亿永创网络科技有限公司 | A kind of Microspeaker module applied to electronic product |
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| CN107124686B (en) * | 2017-06-29 | 2021-01-08 | 维沃移动通信有限公司 | Loudspeaker, assembling method and electronic equipment |
| CN107493552A (en) * | 2017-09-29 | 2017-12-19 | 努比亚技术有限公司 | Loudspeaker and the mobile terminal with the loudspeaker |
| CN107493552B (en) * | 2017-09-29 | 2021-01-22 | 努比亚技术有限公司 | Loudspeaker and mobile terminal with same |
| CN108289271A (en) * | 2018-03-06 | 2018-07-17 | 珠海市源声电子有限公司 | A kind of rectangular moving-coil loudspeaker |
| CN110912369A (en) * | 2019-12-07 | 2020-03-24 | 歌尔股份有限公司 | Electronic product and electronic product assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103260114B (en) | 2016-08-24 |
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