CN102273228B - Multifunctional micro-speaker - Google Patents
Multifunctional micro-speaker Download PDFInfo
- Publication number
- CN102273228B CN102273228B CN201180000124.4A CN201180000124A CN102273228B CN 102273228 B CN102273228 B CN 102273228B CN 201180000124 A CN201180000124 A CN 201180000124A CN 102273228 B CN102273228 B CN 102273228B
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- Prior art keywords
- yoke
- suspends
- suspend
- voice coil
- fixed
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- Expired - Fee Related
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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
- H04R9/063—Loudspeakers using a plurality of acoustic drivers
Abstract
The present invention relates to a multifunctional micro-speaker. The multifunctional micro-speaker of the present invention comprises: a frame; a diaphragm of which the outer circumferential part is secured to the frame; a voice coil which is secured to the lower surface of the diaphragm; a suspension member which is resilient and of which the outer circumferential part is joined to the frame; a yoke which is secured to the suspension member; a permanent magnet which is secured to the floor part of the yoke; and a plate which is secured to the upper surface of the permanent magnet; wherein the suspension member incorporates a main suspension part which is joined to the frame, a subsidiary suspension part which is disposed above the main suspension part, and a connecting part for connecting the main suspension part and the subsidiary suspension part.
Description
Technical field
The present invention relates to multi-function micro speaker, more specifically, relate to such multi-function micro speaker that improves structure: make to be incorporated into the suspend yoke of part and stably vibrate at above-below direction, in the time that the part that suspends vibrates, the yoke, permanent magnet and the plate that make to form magnetic circuit are not turned round mistake, and reduce the component parts number of multi-function micro speaker and assembling procedure is simplified and reduced parts expenses.
Background technology
Conventionally, loud speaker is the device that converts electrical signals to voice signal.Microspeaker is the miniature loudspeaker being mainly used in the portable audio devices that demand significantly increases in recent years such as small-sized audio frequency apparatus such as mobile phone, notebook computer, MP3 player, earphone.
But the mobile communication terminal major part that possesses the electronic product in recent years, particularly mobile phone and so on of Microspeaker has the structure for generation of vibration signal.Such vibration signal is used for replacing incoming telephone signal sound or confirms input state in the touch-screen to the direct input message of picture.
Microspeaker according to the present invention is, when possessing the basic function that produces audio frequency, also to possess the loud speaker for generation of the structure of vibration signal.Microspeaker is called as multifunctional transmission device or multifunction electronic audio converter etc.
Microspeaker is in the past the structure that the vibrating body resonance by making to be supported by disc spring obtains vibration.In so general Microspeaker in the past, there is voice coil loudspeaker voice coil having and be called on the magnetic circuit of a side of the oscillating plate of the plate that quivers, output audio when apply voice signal electric current to this voice coil loudspeaker voice coil produces vibration when apply vibration signal electric current to this voice coil loudspeaker voice coil on vibrating body.
Fig. 1 represents an example of Microspeaker in the past.With reference to Fig. 1, Microspeaker 100 comprises: framework 110, oscillating plate 101 for sounding, voice coil loudspeaker voice coil 102, the permanent magnet 104, plate 103, the yoke 105, the 1st that dispose the N utmost point and the S utmost point with above-below direction suspend part 106, the 2nd suspend part 108, upper cap 107, weight member 109.
The upper end of described voice coil loudspeaker voice coil 102 is fixed on below oscillating plate 101.Voice coil loudspeaker voice coil 102 can be mobile to the direction vertical with the magnetic line of force with electric current mode be wound.Plate 103 be fixed on permanent magnet 104 above, permanent magnet 104 is fixed on the bottom surface of yoke 105, described yoke 105 is fixed on the 1st part 106 that suspends.The 1st suspends part 106 by described framework 110 elastic bearings.Described yoke 105, permanent magnet 104 and plate 103 form the magnetic circuit of loud speaker.
Below, describe thering is the as above action of the Microspeaker 100 of structure.
While applying to voice coil loudspeaker voice coil 102 electric current that is suitable for audio frequency, on voice coil loudspeaker voice coil 102, produce electromagnetic force, there is vibration and output audio in oscillating plate 101 thus.
The magnetic line of force, sending from the N utmost point of permanent magnet 104 forms the magnetic field towards the S of permanent magnet 104 utmost point by plate 103, voice coil loudspeaker voice coil 102 and yoke 105 successively.Now, while there is electromagnetic force, produce and interact with the magnetic flux being produced by magnetic circuit on voice coil loudspeaker voice coil 102, the oscillating plate 101 that is fixed on voice coil loudspeaker voice coil 102 vibrates, thereby realizes the loudspeaker function of output audio.
In addition, while applying to voice coil loudspeaker voice coil 102 electric current (common low-frequency current) that is suitable for vibration, produce vibration signal by the moving up and down of magnetic circuit portion (vibrating body) being formed by yoke 105, permanent magnet 104 and plate 103.
But, there is following problem points according to the as above Microspeaker in the past 100 of structure.
As shown in Figure 1, permanent magnet 104 and plate 103 are incorporated into yoke 105 and formation magnetic circuit so that above-below direction is stacked.The bottom surface of described yoke 105 is incorporated into the described the 1st central portion that suspends part 106.The described the 1st part 106 that suspends vibrates with above-below direction in order to produce vibration force, but the bottom surface of now only having yoke 105 is fixed on the 1st and is suspended part 106 and vibrate, therefore suspend part 106 while vibrating the 1st, yoke 105 is likely separated, and is turned round at the 1st part 106 that suspends the problem of vibrating under the state that can cause yoke 105, permanent magnet 104, plate 103 tilting of staggering the time due to external causes such as external impact.If yoke 105, permanent magnet 104, plate 103 vibrate under the state tilting, can reduce the sound level of multi-function micro speaker.In addition, the underrun bonding agent of yoke 105 etc. is combined in the described the 1st central portion that suspends part 106, but is difficult to yoke to be positioned at exactly the 1st central portion that suspends part 106, and it becomes the major reason that causes product performance deviation sometimes.
Moreover, in order to control vibration force, use the 2nd suspend part 108 and weight member 109 except using the 1st to suspend part 106, also appending, therefore number of components increases, and reduces because inner labyrinth causes productivity.
Summary of the invention
The present invention researches and develops in order to address the above problem a little, the object of the present invention is to provide so a kind of multi-function micro speaker: in the time that the part that suspends vibrates, stably maintain the position of the yoke that is incorporated into the part that suspends, when yoke is combined in to the assigned position of the part that suspends, improve its associativity, and parts expense is simplified and reduced to assembling procedure.
In order to achieve the above object, multi-function micro speaker of the present invention is characterised in that, comprising: framework; Peripheral part is fixed on the oscillating plate on described framework; Be fixed on the voice coil loudspeaker voice coil below described oscillating plate; The part that suspends, it has elasticity, and peripheral part is combined on described framework; The yoke (yoke) suspending described in being fixed on part; Be fixed on the permanent magnet of the bottom of described yoke; And being fixed on the plate (plate) above of described permanent magnet, the wherein said part that suspends is by suspend portion and be disposed at described master the suspend portion and connect described master the suspend connecting portion of portion of portion and described pair that suspends and form of the pair of upside of portion that suspends of the master of being combined with described framework.
In addition, preferably, described master portion and the described pair portion's configured in parallel that suspends that suspends, described yoke suspends between portion in suspend portion and described pair of described master.
In addition, preferably, the described master portion of suspending comprises: be fixed on the support of described framework and install described yoke bottom installation portion and be connected the bearing support of described support and described installation portion.
In addition, preferably, the described pair portion of suspending comprises: the extension extending from the upper end along continuous straight runs of described connecting portion and the end from described extension extend and with joint portion that described yoke is combined.
In addition, preferably, the suspend middle body of portion of the bottom of described yoke and described master is combined, the upper end of described yoke and described joint portion below in conjunction with.
In addition, preferably, described master suspend portion below in conjunction with there being weight member.
According to multi-function micro speaker of the present invention, owing to the part that suspends being formed as to 2 segment structures of main suspend portion and the secondary portion that suspends, yoke is disposed to suspend portion and described pair of described master and suspends between portion, therefore in the time suspending part vibration, stably maintain the position of described yoke.
And, suspend between portion owing to described yoke being disposed to main portion and the pair of suspending, therefore can easily select the position of the yoke that is incorporated into the part that suspends.The described master portion that suspends is fixed in the bottom surface of described yoke, and the pair portion that suspends is fixed in the upper end of yoke, therefore can and suspend at described yoke and between part, maintain firm adhesion.
In addition, the 1st the suspend situation of part of part and the 2nd that suspends was different from adopt in the past, and the present invention only adopts the part that suspends, and therefore assembling procedure is simplified and is reduced parts expense, thereby the effect of enhancing productivity, reduce manufacturing cost is provided.
Accompanying drawing explanation
Fig. 1 is the summary profile of multi-function micro speaker in the past.
Fig. 2 is according to the profile of the multi-function micro speaker of the embodiment of the present invention.
Fig. 3 chooses the wanting portion of Fig. 2 and the stereogram that represents.
Fig. 4 is the vertical view of Fig. 3.
Fig. 5 chooses the wanting portion of Fig. 2 and the stereogram that represents.
Symbol description
10 frameworks; 11a pore; 20 oscillating plates; 30 voice coil loudspeaker voice coils; 40 parts that suspend; The 41 main portions that suspend; 411 supports; 412 installation portions; 413 bearing supports; The 42 pairs portion that suspends; 421 extensions; 422 joint portions; 43 connecting portions; 50 yokes; 51 bottoms; 52 side wall portions; 60 permanent magnets; 70 plates; 80 weight members
Embodiment
The multi-function micro speaker of the present embodiment is as being mainly used in the loud speaker in the mini-plants such as mobile communication terminal or PMP such as mobile phone, possess audio frequency generating function and signal vibration generating function simultaneously, particularly improve the Microspeaker of the assembleability while manufacture.
Describe multi-function micro speaker according to an embodiment of the invention in detail with reference to accompanying drawing below.
Fig. 2 is according to the profile of the multi-function micro speaker of the embodiment of the present invention.Fig. 3 chooses the wanting portion of Fig. 2 and the stereogram that represents, and Fig. 4 is the vertical view of Fig. 3, and Fig. 5 chooses the wanting portion of Fig. 2 and the stereogram that represents.
First,, with reference to Fig. 2, multi-function micro speaker comprises according to an embodiment of the invention: framework 10; Peripheral part is fixed on the oscillating plate 20 on described framework 10; Be fixed on the voice coil loudspeaker voice coil 30 below described oscillating plate 20; The part 40 that suspends, it has elasticity, and peripheral part is combined on described framework 10; The yoke (yoke) 50 suspending described in being fixed on part 40; Be fixed on the permanent magnet 60 of the bottom 51 of described yoke 50; And be fixed on the plate (plate) 70 above of described permanent magnet 60, wherein said suspend part 40 by with suspend portion 41 and be disposed at described master the suspend portion 42 and be connected described master the suspend connecting portion 43 of portion 42 of portion 41 and described pair that suspends and form of the pair of upside of portion 41 that suspends of the master of described framework 10 combinations.
The principal character of the multi-function micro speaker structure of part 40 that suspends described in being according to an embodiment of the invention.Below, first the described structure that suspends part 40 is described.
As shown in Figure 3, the part 40 that suspends described in forms by having flexible material.In the present embodiment, the part 40 that suspends described in is formed by sheet metal manufactures such as bronze.Certainly, in other embodiments, described in the part 40 that suspends can be manufactured by high polymer elastic material.The described part 40 that suspends comprises main suspend portion 41 and pair suspend portion 42 and connecting portion 43.
The described master portion 41 that suspends comprises support 411 and installation portion 412 and bearing support 413.
Described support 411 be for will described in the part 40 that suspends be fixed on framework 10, and suspend part 40 and arrange in order to support it in the time that the part 40 that suspends vibrates.As shown in Figure 2, described support 411 is fixed on framework 10 as being equivalent to the part at the edge of leading the portion 41 that suspends.
Described installation portion 412 is to install and fixing part for the bottom 51 of described yoke 50.In the present embodiment, described installation portion 412 is formed as circle, and has the diameter less than the diameter of the bottom of yoke 50 51.The bottom 51 of described yoke 50 is bonding or be welded on described installed surface 412, or can be bonded on described installed surface 412 by bonding film (not shown).
Described bearing support 413 connects described support 411 and described installation portion 412.One end of described bearing support 413 is connected with described support 411, and the other end is connected with described installation portion 412.
As shown in Figure 3, described bearing support 413 extends and spaced apart with its support 411 from described support 411 at certain area, then towards described installation portion 412 and bending to the inside.In the present embodiment, described bearing support 413 is 2.The fulcrum 413a that connects described bearing support 413 and described support 411 is opposite each other and form symmetrical.In addition, the fulcrum 413b that connects described bearing support 413 and described installation portion 412 is also opposite each other and form symmetrical.The described bearing support 413 configuring in symmetrical mode, the part 40 that makes to suspend stably vibrates with above-below direction.
The described pair portion 42 that suspends comprises extension 421 and joint portion 422.
Described pair portion 42 and described master portion's 41 configured in parallel that suspend that suspend, and be connected by connecting portion 43 and the described master portion 41 that suspends.Described connecting portion 43 extends vertically upward from the described master portion 41 that suspends.Described connecting portion 43 extends the amount of height up and down of described yoke 50 to upside.Connect the described master portion 41 that suspends in the bottom of described connecting portion 43, end connects the described pair portion 42 that suspends thereon.
As shown in Figure 3, described extension 421 extends from an end along continuous straight runs of described connecting portion 43.Described extension 421 extends with the curvature bending identical with the curvature of described support 411.As shown in Figure 4, described extension 421 is positioned at than described support 411 position more in the inner part.
Described joint portion 422 as with the part of yoke 50 combinations, outstanding and form the space that separates of regulation to the inside from an end of described extension 421, then extend with the curvature bending identical with the curvature of described support 411.The width W of described joint portion 422 equates with the thickness of the side wall portion 52 of described yoke 50.
In the present embodiment, the bottom 51 of described yoke 50 is fixed on described master and suspends on the installation portion 412 of portion 41, and the upper end of described yoke 50 is fixed on below described joint portion 422.Particularly, as shown in Figure 5, be combined with permanent magnet 60 in the bottom 51 of described yoke 50, under the state of the board 70 above of described permanent magnet 60, the upper end of the side wall portion 52 of described yoke 50 utilizes bonding agent etc. and is fixed on below described joint portion 422.
Therefore, described yoke 50 suspends between portion 42 in suspend portion 41 and described pair of described master.More specifically, suspend installation portion 412 combinations of portion 41 of the bottom of described yoke 50 51 and described master, the upper end of described yoke 50 and described joint portion 422 below in conjunction with.In the time that the part 40 that suspends vibrates, yoke 50 maintains position accurately according to described master portion 41 and the pair portion 42 that suspends that suspends.
In addition, described in, suspend the structure of part 40 also applicable to the actuators such as linear oscillator (actuator).
Described permanent magnet 60 is to form concentric mode and be fixed on the interior bottom portion 51 of yoke 50 with yoke 50.For corresponding with the shape of yoke 50, described permanent magnet 60 is formed as disc-shape.Described permanent magnet 60 is bonded in the bottom 51 of yoke 50 or is bonded in the bottom 51 of yoke 50 by bonding film.
Described plate 70 be fixed on permanent magnet 60 above.Plate 70 is made up of the good material of magnetic, and has the diameter almost identical with permanent magnet 60.Described permanent magnet 60 and described plate 70 are by bonding or be bonded together by bonding film.
Described framework 10 is made up of plastics conventionally.Described framework 10 is made up of the bottom frame 11 that forms upper portion side wall framework 12 and the lower sides framework 13 of sidewall and form bottom surface.The support 411 of the main portion 41 that suspends of combination between described upper portion side wall framework 12 and lower sides framework 13.In described bottom frame 11, be formed with multiple pore 11a.Described pore 11a arranges in order to make the Air Flow of framework 10 inside that produce in the time that the part 40 that suspends vibrates lead to outside.If obstructed to outside at the inner Air Flow producing of framework 10, the resonance frequency of the part 40 that can cause suspending, the change of attenuation coefficient and produce incomplete vibration, therefore need to make by pore 11a the air draught of framework 10 inside.
Be combined with the peripheral part of oscillating plate 20 on the top of framework 10.In addition, on described oscillating plate 20, be combined with the peripheral part of upper cap 90.
In the present embodiment, framework 10 is formed as drum on the whole, and for from externally fed, there is power supply terminal connecting portion (not shown), on power supply terminal connecting portion, be combined with the lead-in wire (not shown) for powering to voice coil loudspeaker voice coil 30.
Certainly,, the in the situation that of other embodiment, the cross-sectional profile of framework 10 can be quadrangle shape, elliptical shape or trade shape.In each situation, internal part also can suitably be out of shape according to its external shape.
The peripheral part of described oscillating plate 20 is fixed on the top of framework 10.Oscillating plate 20 is circular, is conventionally made up of macromolecular compound.Oscillating plate 20 carries out up-down vibration and produces the acoustic pressure that people can hear.
In the present embodiment, described oscillating plate 20, take the boundary member of the upper end in conjunction with voice coil loudspeaker voice coil 30 as benchmark, is divided into the Outboard Sections that is positioned at the inner side part of inner side and is positioned at outside.Inner side part and Outboard Sections are formed as respectively arch (dome), and boundary member is average.Outboard Sections is also called as seamed edge (edge).Oscillating plate 20 can carry out various distortion on concrete shape, material and thickness.
Described voice coil loudspeaker voice coil 30 is fixed on below oscillating plate 20.The upper end of voice coil loudspeaker voice coil 30 is fixed on below the boundary member of oscillating plate 20.Voice coil loudspeaker voice coil 30 is being curled to the mode of the direction streaming current vertical with the magnetic line of force.Voice coil loudspeaker voice coil 30 obtains electric current from outside.
The bottom of described voice coil loudspeaker voice coil 30 is positioned at the sidewall mezzanine space with the permanent magnet 60 of above-below direction combination and plate 70 and yoke 50.Such mezzanine space magnetic gap that is otherwise known as.In the time that the mobile audio signal of voice coil loudspeaker voice coil 30 is used high-frequency current, according to the correlation between the magnetic field being produced by permanent magnet 60, voice coil loudspeaker voice coil 30 moves towards above-below direction.Thus, vibrate with the oscillating plate 20 of voice coil loudspeaker voice coil 30 combinations and produce audio frequency.
In addition, multi-function micro speaker according to the present invention possesses weight member 80.
Described weight member 80 with described in suspend part 40 below in conjunction with.Particularly, with the installation portion 412 of the main portion 41 that suspends below in conjunction with.Described in being bonded in, described weight member 80 suspends on part 40.
Described weight member 80 with described in suspend that part 40 is common forms the oscillator that produces vibration signal.Form the extent of elasticity of the part 40 that suspends of oscillator and the weight of weight member 80 and can adjust resonance frequency and vibration force by adjustment.
Below, to thering is being elaborated according to the effect of multi-function micro speaker of the present invention and effect of said structure.
The yoke 50 that is combined with permanent magnet 60 and plate 70 is sandwiched in main suspend portion 41 and pair and suspends between portion 42 and carry out combination.The installation portion 412 of the main portion 41 that suspends is fixed in the bottom 51 of described yoke 50, and the suspend joint portion 422 of portion 42 of pair is fixed in the upper end of yoke 52.
Therefore, the state of the part 40 that suspends that is formed as 2 segment structures is all fixed in the bottom and the upper end that maintain yoke 50, even if therefore suspend part 40 sustained vibrations, also can stably maintain the position of yoke 50.
In addition, the part 40 that suspends is formed as to 2 segment structures of main suspend portion 41 and the secondary portion 42 that suspends and bottom and the upper end of supporting respectively described yoke 50, therefore provides in the time that the part 40 that suspends vibrates, disperse the effect of the weight of yoke 50, permanent magnet 60 and plate 70.In the past, in multi-function micro speaker 100, yoke 105, permanent magnet 104, plate 103 were all configured in the described the 1st upside that suspends part 106.Therefore, the described the 1st part 106 that suspends need to, in the weight of yoke 50, permanent magnet 103, plate 103 described in the lower side bearing of described yoke 105, therefore cause being applied to the 1st weight that suspends part 106 and increase the weight of, thereby in the time that the 1st suspends part 106 sustained vibration, easily occurs damaged.And in multi-function micro speaker 200 of the present invention, supported the weight of described yoke 50, permanent magnet 60, plate 70 by the main portion 41 that suspends at downside, and supported by the pair portion 42 that suspends at upside, therefore the effect of disperse weight is provided.
In addition, when yoke 50 is positioned to the installation portion 412 of the main portion 41 that suspends, as long as make the upper end of yoke 50 be fixed on joint portion 422, therefore easily carry out the location of yoke 50.And, the position of yoke 50 can be remained to identical position, thereby reduce product performance deviation, and easily carry out the combination of yoke 50 and shorten manufacturing time.
In addition, according to multi-function micro speaker of the present invention, the 1st the suspend situation of part 108 of part 106 and the 2nd that suspends was different from use in the past, only use the part 40 that suspends, therefore reduce the component parts number of multi-function micro speaker and reduce expense required in component parts, and manufacturing process is simplified and minimizing manufacturing time.
Above, describe the preferred embodiments of the present invention in detail, but the invention is not restricted to above-described embodiment, in the scope that does not depart from category of the present invention, can carry out various deformation.Therefore, the real technical protection scope of the present invention should be defined by the technological thought of appending claims.For example, the quantity deformability of the bearing support of the main portion that suspends is various, pair suspend portion quantity also deformability be various.In addition, use in embodiments of the present invention weight member, but also can adopt magnet to replace described weight member.
Claims (4)
1. a multi-function micro speaker, is characterized in that comprising:
Framework;
Peripheral part is fixed on the oscillating plate on described framework;
Be fixed on the voice coil loudspeaker voice coil below described oscillating plate;
The part that suspends, it has elasticity, and peripheral part is combined on described framework;
The yoke suspending described in being fixed on part;
Be fixed on the permanent magnet of the bottom of described yoke; And
Be fixed on the plate above of described permanent magnet,
Wherein, described in suspend part by suspend portion and be disposed at described master the suspend portion and connect described master the suspend connecting portion of portion of portion and described pair that suspends and form of the pair of upside of portion that suspends of the master of being combined with described framework,
The described pair portion of suspending comprises: the extension extending from the upper end along continuous straight runs of described connecting portion and the end from described extension extend and with the joint portion that described yoke is combined,
The suspend middle body of portion of the bottom of described yoke and described master is combined, the upper end of described yoke and described joint portion below in conjunction with.
2. multi-function micro speaker according to claim 1, is characterized in that,
Described master portion and the described pair portion's configured in parallel that suspends that suspends, described yoke suspends between portion in suspend portion and described pair of described master.
3. multi-function micro speaker according to claim 1, is characterized in that,
The described master portion of suspending comprises: be fixed on the support of described framework and install described yoke bottom installation portion and be connected the bearing support of described support and described installation portion.
4. multi-function micro speaker according to claim 1, is characterized in that,
Described master suspend portion below in conjunction with there being weight member.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0002387 | 2010-01-11 | ||
| KR1020100002387A KR101040310B1 (en) | 2010-01-11 | 2010-01-11 | Multi-function micro-speaker |
| PCT/KR2011/000084 WO2011083988A2 (en) | 2010-01-11 | 2011-01-06 | Multifunctional micro-speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102273228A CN102273228A (en) | 2011-12-07 |
| CN102273228B true CN102273228B (en) | 2014-05-28 |
Family
ID=44305951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180000124.4A Expired - Fee Related CN102273228B (en) | 2010-01-11 | 2011-01-06 | Multifunctional micro-speaker |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101040310B1 (en) |
| CN (1) | CN102273228B (en) |
| TW (1) | TW201129122A (en) |
| WO (1) | WO2011083988A2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101096788B1 (en) | 2011-02-08 | 2011-12-21 | 주식회사 비에스이 | Multi-function micro-speaker |
| US10136220B2 (en) | 2016-04-08 | 2018-11-20 | Bluecom Co., Ltd. | Bluetooth neck band headset including vibration speaker |
| KR101707167B1 (en) * | 2016-04-08 | 2017-02-15 | 주식회사 블루콤 | Vibrate Speaker with suspension |
| CN107750040A (en) * | 2017-11-15 | 2018-03-02 | 维沃移动通信有限公司 | A kind of electromagnetic driver and mobile terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1463207A (en) * | 2001-06-11 | 2003-12-24 | 并木精密宝石株式会社 | Viberation actuator device |
| CN1822704A (en) * | 2005-01-24 | 2006-08-23 | 株式会社西铁城电子 | Electromagnetism actuator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100715003B1 (en) * | 2005-02-23 | 2007-05-09 | 주식회사 벨류텔 | Micro speaker generating acoustic vibration and sound |
| KR100729272B1 (en) | 2006-03-22 | 2007-06-15 | 주식회사 진영음향 | One-channel two-way speaker |
| KR100858958B1 (en) | 2007-04-05 | 2008-09-17 | 김진상 | Speaker |
| KR100932757B1 (en) * | 2007-11-12 | 2009-12-21 | 에스텍 주식회사 | Multifunction speaker |
| KR100962594B1 (en) * | 2007-11-13 | 2010-06-11 | 에스텍 주식회사 | Multi-function speaker |
| KR101047548B1 (en) * | 2009-06-24 | 2011-07-07 | 주식회사 비에스이 | Multifunction micro speaker |
| KR101047549B1 (en) * | 2009-06-24 | 2011-07-07 | 주식회사 비에스이 | Multifunction micro speaker |
-
2010
- 2010-01-11 KR KR1020100002387A patent/KR101040310B1/en active IP Right Grant
-
2011
- 2011-01-06 WO PCT/KR2011/000084 patent/WO2011083988A2/en active Application Filing
- 2011-01-06 CN CN201180000124.4A patent/CN102273228B/en not_active Expired - Fee Related
- 2011-01-11 TW TW100100979A patent/TW201129122A/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1463207A (en) * | 2001-06-11 | 2003-12-24 | 并木精密宝石株式会社 | Viberation actuator device |
| CN1822704A (en) * | 2005-01-24 | 2006-08-23 | 株式会社西铁城电子 | Electromagnetism actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101040310B1 (en) | 2011-06-10 |
| WO2011083988A3 (en) | 2011-11-03 |
| WO2011083988A2 (en) | 2011-07-14 |
| TW201129122A (en) | 2011-08-16 |
| CN102273228A (en) | 2011-12-07 |
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