CN101998211B - Multifunctional micro speaker - Google Patents
Multifunctional micro speaker Download PDFInfo
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- CN101998211B CN101998211B CN2010101057973A CN201010105797A CN101998211B CN 101998211 B CN101998211 B CN 101998211B CN 2010101057973 A CN2010101057973 A CN 2010101057973A CN 201010105797 A CN201010105797 A CN 201010105797A CN 101998211 B CN101998211 B CN 101998211B
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- suspension
- yoke
- hub part
- fixed
- permanent magnet
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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
- H04R9/02—Details
- H04R9/025—Magnetic circuit
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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
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/041—Centering
- H04R9/043—Inner suspension or damper, e.g. spider
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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
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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
- H04R9/066—Loudspeakers using the principle of inertia
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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
- H04R2400/00—Loudspeakers
- H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
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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
- H04R2400/00—Loudspeakers
- H04R2400/07—Suspension between moving magnetic core and housing
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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
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
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 fixed to the frame; a voice coil which is fixed to the lower side of the diaphragm; a first suspension of which the outer circumferential part is fixed to the frame, wherein the first suspension is in a plate shape and has elasticity; a yoke which is fixed to the first suspension; a first permanent magnet which is fixed to the inner bottom of the yoke; and a plate which is fixed to the upper side of the permanent magnet, wherein a boss portion protruded to the top is equipped in the central part of the first suspension, and a yoke receiving groove coupled with the boss portion of the first suspension is comprised on the yoke.
Description
Technical field
The present invention is about a kind of multifunctional micro speaker, and more particularly, about a kind of multifunctional micro speaker, it can improve the combination accuracy between yoke, magnet and the flat board that forms its magnetic circuits.
Background technology
In general, loudspeaker become the equipment of voice signal for the conversion electric signal.Microspeaker is compact horn, is mainly used in the portable type audio unit, such as mobile phone, mobile computer, MP3 player, earphone etc.
In recent years electronic product adopts this Microspeaker person, mobile communication terminal for example, and mobile phone for example, it comprises the device for generation of vibration signal.This vibration signal can replace and arrive signal sound as a kind of signal, or in the Touch Screen method, confirms the signal of input state, wherein inputs data and directly on screen, inputs.
One of purpose of the present invention is to provide a kind of multifunctional micro speaker, represents a kind ofly to have for generation of the additional functionality of vibration signal and for generation of the loudspeaker of the basic function of sound.This multifunctional micro speaker can have multiple title, for example multifunctional actuator or multifunction electronic sound transducer.
A kind of typical multifunctional micro speaker has a kind of structure, and the vibrator that is wherein supported by the blade type spring resonates to produce vibration.At typical multifunctional micro speaker, sound coil is arranged on the barrier film that is referred to as collecting board towards magnetic circuits.Herein, when the electric current of voice signal is applied to this sound coil, namely can output sound.On the other hand, when the electric current of vibration signal is applied to this sound coil, namely produce vibration.
This typical multifunctional micro speaker explains with reference to Fig. 1.Typical multifunctional micro speaker 100 comprises shell 110, the barrier film 101 for generation of sound, sound coil 102, permanent magnet 104, and it is provided with the N utmost point respect to one another and the S utmost point, flat board 103, yoke 105, top suspension 107 and below suspension 108.Electric current is via wire a114 and wire b115 and put on sound coil 102.
The lower surface of barrier film 101 is fixed in the upper end of sound coil 102.This sound coil is wound around in vertical direction.Dull and stereotyped 103 are fixed in the upper surface of permanent magnet 104.Permanent magnet 104 coordinates flat board 103 and yoke 105 construction magnetic circuits, and while permanent magnet 104 construction vibrators.This vibrator can optionally comprise weights.This vibrator is done resiliency supported by top suspension 107 and below suspension 108.
Below the running of multifunctional micro speaker 100 will be described.When the electric current that is suitable for sound is applied to sound coil 102 via wire a114 and wire b115, on sound coil 102, produce electromagnetic force.Therefore, barrier film 101 namely vibrates and output sound.
That is to say, the N utmost point of magnetic line of force guiding permanent magnet 104 sequentially via dull and stereotyped 103, sound coil 102 and yoke 105 towards the S of permanent magnet 104 utmost point, to form magnetic field.At this moment, when on sound coil 102, producing this electromagnetic force, the electromagnetic force of sound coil 102 is carried out interaction with the magnetic flux that is produced by this magnetic circuits.Barrier film 101 vibration of therefore, being fixed in sound coil 104 is used as the loudspeaker output sound.
When the electric current that is suitable for vibrating (in general for low-frequency current) while being applied to sound coil 102, comprise permanent magnet 104, dull and stereotyped 103 and the vibrator of yoke 105 namely vertical mobile and produce vibration.
According to this typical multifunctional micro speaker, because as this vibrator, forming these assemblies of this magnetic circuits, the assembly that forms this magnetic circuits must when combination the time, accurately be arranged on the position of being wanted.
That is to say, sound coil 102 must vibration, and its be arranged on as dull and stereotyped 103 and yoke 105 between within the magnetic gap in space.Simultaneously, this vibrator must vibrate, and can in fact not touch this sound coil.Therefore, yoke 105, permanent magnet 104 and flat board 103 must be accurately coupled to each other and fixing in the position of wanting.
But, in typical multifunctional micro speaker, because permanent magnet 104 is fixed in the flat board 103 in yoke 105 via the splice program that uses fixture, so be difficult to reach the precision optical machinery coupling.
Summary of the invention
Therefore, the present invention is about a kind of multifunctional micro speaker, and it can alleviate in fact one or more problems that restriction and shortcoming due to correlation technique cause.
The present invention's one purpose, for a kind of multifunctional micro speaker is provided, wherein is suspended on configuration and does improvement, uses accurately and the assembly of formation vibrator mechanically coupled to each other.
Additional advantages of the present invention, purpose and feature propose part in the following description, and other part can more be understood for the present technique professional person or can be by in the middle of enforcement of the present invention, learning after inspecting following content.These purposes of the present invention and other advantage can be by the explanation that discloses and claims thereof, and attached graphic middle the specific structure that indicates is understood and obtains.
In order to reach these purposes and other advantage, and according to purpose of the present invention, so place is concrete implements and the generalized description person, and a kind of multifunctional micro speaker is provided, and it comprises: framework; Barrier film, wherein the one outer periphery is fixed in this framework; Sound coil, it is fixed in the lower surface of this barrier film; The first suspension, wherein the one outer periphery is fixed in this framework, and this first suspension has writing board shape and elasticity; Yoke, it is fixed in this first suspension; The first permanent magnet, it is fixed in the inside bottom surface of this yoke; And dull and stereotyped, the upper surface that it is fixed in this first permanent magnet, the hub part that wherein projects upwards is arranged on the central portion place of this first suspension, and the yoke receiving slit that is coupled in this hub part of this first suspension is defined in this yoke.
The hub part of this first suspension can pass through this yoke receiving slit, and the permanent magnet receiving slit that is coupled in the hub part of this first suspension by this yoke receiving slit can be defined in this permanent magnet.
The hub part of this first suspension can pass through this permanent magnet receiving slit, and the dull and stereotyped receiving slit that is coupled in the hub part of this first suspension by this permanent magnet receiving slit can be defined in this flat board.
At least the bent bending part that forms of part of the upper end of the hub part of this first suspension.
This first suspension can be formed by metal material, and this hub part can be cylindrically, and it has the inner space of hollow.
This multifunctional micro speaker separately can comprise: the second suspension, wherein the one outer periphery is fixed in this framework, this second suspension downwards and this first suspension separate, and have elasticity; And the second magnet, it is fixed in this second suspension, and this second magnet separates mutually with this first suspension and this yoke, and is fixed thereon.
Downwards the second outstanding suspension hub part can be arranged on the central portion place of this second suspension, and this second magnet can be arranged under this second suspension, and the second magnet receiving slit that is coupled in this second suspension hub part can be defined in this second magnet.
The the second suspension hub part that projects upwards can be arranged on the central portion place of this second suspension, and this second magnet can be arranged on this second suspension, and the second magnet receiving slit definable that is coupled in this second suspension hub part is in this second magnet.
Can recognize aforementioned is exemplary and illustrative for general remark of the present invention and following detailed description, and the further explanation as the invention of advocating will be provided.
The accompanying drawing explanation
Accompanying drawing comprises to provide for the present invention further to be understood, and be used to adding and form the part of the application's case, accompanying drawing is the illustration specific embodiments of the invention, coordinates its explanation to can be used for explaining principle of the present invention.The drawing of these accompanying drawings is described as follows:
Fig. 1 is the constructed profile of a typical multifunctional micro speaker;
Fig. 2 is the constructed profile of the multifunctional micro speaker of one specific embodiment according to the present invention;
Fig. 3 to Fig. 6 is the constructed profile of the correction example of suspension in multifunctional micro speaker shown in Figure 2, yoke, permanent magnet and flat board; And
Fig. 7 is the constructed profile of the multifunctional micro speaker of another specific embodiment according to the present invention.
Embodiment
To carry out detailed reference to preferred embodiment of the present invention now, its example all is illustrated in accompanying drawing.
According to the multifunctional micro speaker of a specific embodiment, with reference to Fig. 2, to Fig. 4, elaborate.
Fig. 2 is the constructed profile of the multifunctional micro speaker of one specific embodiment according to the present invention.Shown in Figure 3 is only the first suspension, yoke, the first permanent magnet and the dull and stereotyped profile of Fig. 2.
According to the multifunctional micro speaker 1 of a specific embodiment, be mainly used in undersized device, for example mobile communication terminal and Portable multimedia player (PMP, Portable multimedia player).Multifunctional micro speaker 1 has sound and produces function, together with the generation of vibration function of a signal.
Multifunctional micro speaker 1 comprises framework 10, barrier film 20, sound coil 30, the first suspension 40, yoke 50, the first permanent magnet 60, dull and stereotyped the 70, second suspension 80 and the second magnet 90.
The outer periphery of barrier film 20 is fixed in the upper portion of upper frame 12.Barrier film 20 has circle, and is formed by polymer.Barrier film 20 vertically moves, can be by the acoustic pressure that the people was heard of normal hearing to produce.
According to the barrier film 20 of this specific embodiment, distinguished inside portion, it inwardly arranges with respect to a boundary portion, at this barrier film 20, is coupled in the ，Ji outside portion, upper end of sound coil 30, and it outwards arranges with respect to this boundary portion.Yu Gai outside portion, this inside portion has respectively cheese, and this boundary portion is planar-shaped.This outside portion is referred to as edge.Barrier film 20 can have multiple variation on configuration, material and thickness.
The lower quadrate part of sound coil 30 is arranged in a space that is perpendicular to one another between the first permanent magnet 60, flat board 70 and the yoke 50 that is coupled.This space is referred to as the magnetic gap.When the high-frequency current of voice signal was applied in sound coil 30, this sound coil vertically moved by the magnetic field interaction with being produced by the first permanent magnet 60.Therefore, the barrier film 20 that is coupled in sound coil 30 namely can vibrate and produce sound.
The first suspension 40 comprises hub part 42.
The first suspension 40 has elasticity, and the one outer periphery is fixed in framework 10.This suspension can be described as elastic component, spring or blade type spring.Elasticity is defined as main body will return to the tendency of its original-shape after its volume and shape are changed by an external force.This elasticity is divided into volume elasticity and the elasticity of shape.In this specific embodiment, the first suspension 40 is about this elasticity of shape.
In this specific embodiment, the first suspension 40 is even shape, and more particularly, it has the plate shape corresponding to framework 10.The first suspension 40 can comprise by the formed metallic plate of phosphor bronze (phosphorous bronze).In addition, the first suspension 40 can be formed by elastomer.Yoke 50 is fixed in the pars intermedia of the first suspension 40.
In this specific embodiment, hub part 42 has hollow cylindrical.That is to say, hub part 42 its sections are circular.In addition, hub part 42 can be the cylindricality with various shape, and for example section is triangle, rectangle, pentagon and circle.The inboard of hub part 42 is hollow or fills up.Simultaneously, when the first suspension 40 is formed by the elastomer beyond metal, hub part 42 can have the material identical with suspension 40.
The height of hub part 42 is corresponding to the thickness of the receiving slit of yoke 50.In this specific embodiment, the thickness of hub part 42 is slightly lower than the thickness of yoke 50.
Yoke 50 is fixed in the upper surface of the first suspension 40.Yoke 50 has around the flat bottom 54 of the outer periphery of bottom 54 and wall section 56, and vertically arranges.The bottom 54 of yoke 50 is coupled in the first permanent magnet 60.
Be coupled in the hub part 42 of the first suspension 40 and be arranged in the central portion of bottom 54 that yoke receiving slit 52 under yoke 50 is arranged on yoke 50.The shape of yoke receiving slit 52, corresponding to the shape of hub part 42, makes yoke receiving slit 52 be coupled in hub part 42.
In this specific embodiment, cylindrical because hub part 42 has, yoke receiving slit 52 has cylindrical corresponding to hub part 42.The diameter of yoke receiving slit 52, slightly greater than the outer dia of hub part 42, makes hub part 42 namely install and is coupled in regularly yoke receiving slit 52, and not needing to use independent adhesive agent.Because hub part 42 only is coupled in yoke receiving slit 52, yoke 50 and the first suspension 40 can be position be coupled to each other accurately.In addition, this adhesive agent can be used between hub part 42 and yoke receiving slit 52.
The first permanent magnet 60 is fixed in the inside bottom surface of yoke 50.The first permanent magnet 60 uses this adhesive agent coupling and is fixed in the bottom 54 of yoke 50, makes the first permanent magnet 60 be setting with one heart with respect to yoke 50.The first permanent magnet 60 has the circular plate shape corresponding to yoke 50.
Dull and stereotyped 70 are fixed in the upper surface of the first permanent magnet 60.Dull and stereotyped 70 are formed by a kind of material, and magnetic force can pass through well by this, and has the diameter roughly the same with the first permanent magnet 60.
The first permanent magnet 60 and dull and stereotyped 70 separates mutually with the wall section 56 of yoke 50.One space definition is between the inner surface of the wall section 56 of the outer surface of the first permanent magnet 60 and dull and stereotyped 70 and yoke 50, and it toward each other.The lower quadrate part of sound coil 30 is arranged in this space.
The first permanent magnet 60, flat board 70 and yoke 50 form these loudspeaker magnetic circuits.That is to say, the magnetic flux that is produced by the first permanent magnet 60 forms magnetic flux path, and it is directed at yoke 50 via dull and stereotyped 70.
In this specific embodiment, multifunctional micro speaker 1 separately comprises the second suspension 80 and the second magnet 90.
The second suspension 80 separates downwards mutually with the first suspension 40.The outer periphery of the second suspension 80 is fixed in framework 10, and is formed by having flexible material.
In this specific embodiment, the second suspension 80 has shape and the material identical with the first suspension 40.In addition, the first suspension 40 can have different materials and shape each other from the second suspension 80.For example, the first suspension 40 and the second suspension 80 can according to they resonance frequency, displacement and vibration force and multiple variation is arranged on shape and material.
The second magnet 90 is fixed in the lower surface of the lower side of the second suspension 80.Therefore, the second magnet 90 separates mutually with the first suspension 40 and yoke 50.On the S utmost point of the second magnet 90 and the N utmost point its upper side and lower side in vertical direction, vice versa.Simultaneously, the second magnet 90 can comprise permanent magnet or electromagnet.
The second magnet 90 and the second suspension 80 can be used as the vibrator for generation of vibration signal.In the multifunctional micro speaker 1 according to this specific embodiment, comprise that the second magnet 90 and the vibrator of the second suspension 80 separate mutually with the magnetic circuits that comprises the first permanent magnet 60 and dull and stereotyped 70.But this magnetic circuits and this vibrator magnetic each other are connected.Therefore, for generation of the vibration movement of the barrier film 20 of sound and comprise that the interference between the vibration movement of vibrator of the second magnet 90 and the second suspension 80 can be minimized.
Running and the effect of multifunctional micro speaker 1 below will be described.
Because multifunctional micro speaker 1 comprises the hub part 42 that is arranged on the first suspension 40, and has the yoke receiving slit 52 corresponding to the shape of hub part 42, so they can be accurately coupled to each other in the position of wanting.
Simultaneously, because the first suspension 40 mechanically is coupled in yoke 50, their coupling procedure can be performed, and does not need to carry out splice program or the independent fixture of needs.Therefore, productivity can be improved, manufacturing cost can be reduced simultaneously.
Although this second suspension and this second magnet are provided in this specific embodiment, the present invention is not limited to this.That is to say, this multifunctional micro speaker comprises suspension and permanent magnet, so it may be used on the coupling between this suspension and this permanent magnet.
Shown in Figure 4 is only suspension, yoke, permanent magnet and dull and stereotyped profile, and it is coupled to each other in the multifunctional micro speaker of another specific embodiment according to the present invention.
In this specific embodiment, yoke receiving slit 52 is upwards by the hub part 42 of the first suspension 40.By yoke receiving slit 52, with the permanent magnet receiving slit 62 of the hub part 42 of the first suspension 40 of its coupling, be defined in permanent magnet 60.
That is to say, the hub part 42 of the first suspension 40 passes through the yoke receiving slit 52 of a yoke 50, and is coupled in the permanent magnet receiving slit 62 of permanent magnet 60.Dull and stereotyped 70 are coupled in the upper surface of permanent magnet 60.
In this specific embodiment, the first suspension 40, yoke 50 and permanent magnet 60 can be accurately coupled to each other by the hub part 42 of the first suspension 40.Simultaneously, all advantages of aforesaid specific embodiment can suitably be revised, and therefore can be applicable to this specific embodiment.
Shown in Figure 5 is only suspension, yoke, permanent magnet and dull and stereotyped profile, and it is coupled to each other in the multifunctional micro speaker of another specific embodiment according to the present invention.
In this specific embodiment, yoke receiving slit 52 is upwards by the hub part 42 of the first suspension 40, and the permanent magnet receiving slit 62 of permanent magnet 60 is by the hub part 42 of the first suspension 40 simultaneously.
The hub part 42 of the first suspension 40 is defined in dull and stereotyped 70 by the dull and stereotyped receiving slit 72 of permanent magnet receiving slit 62.Dull and stereotyped receiving slit 72 can have by the cylindrical shape of hub part 42, or has the groove shape of desired depth, makes some and its coupling of the upper end that hub part 42 is only arranged, and can not pass through hub part 42.
The hub part 42 of the first suspension 40 passes through the yoke receiving slit 52 of yoke 50 and the permanent magnet receiving slit 62 of permanent magnet 60, and is coupled in dull and stereotyped 70 dull and stereotyped receiving slit 72.
According to this specific embodiment, the first suspension 40, yoke 50, permanent magnet 60 and this flat board can be accurately coupled to each other by the hub part 42 of the first suspension 40, and do not need to carry out splice program or the independent fixture of needs.Simultaneously, the advantage of all aforementioned specific embodiments can suitably be revised, and therefore can be applicable to this specific embodiment.
Figure 6 shows that the correction example of upper end of the hub part of Fig. 5.
Bending part 44 is arranged on the upper end of the hub part 42 of the first suspension 40.In this specific embodiment, the upper periphery of hub part 42 is formed bending part 44 by whole bending.In addition, only there is the some of the upper periphery of hub part 42 to be bent.
Because bending part 44 is arranged on the upper end of hub part 42, the first suspension 40, yoke 50, permanent magnet 60 and dull and stereotyped 70 are pressed each other, and therefore except the advantage of aforementioned specific embodiment, can be coupled fixed to one anotherly.
For example, have this columniform hub part 42 be installed to this yoke in and by after wherein, but the upper end outward of permanent magnet 60 and flat board 70 and hub part 42 carrys out the upper surface in the position of the upper surface higher than dull and stereotyped 70 contact dull and stereotyped 70, form by this bending part 44, it is arranged on the upper end of hub part 42.The upper end of hub part 42 can be bent, and to form bending part 44, makes yoke 50, permanent magnet 60 and dull and stereotyped 70 be coupled fixed to one anotherly.
In the top and bottom of hub part 42, all or at least one can be sealing or open.
Fig. 7 is the constructed profile of the multifunctional micro speaker of another specific embodiment according to the present invention.
This specific embodiment is different from Fig. 2, only because the hub part 42 (as shown in Figure 6) of the first suspension 40 passes through yoke 50, permanent magnet 60 and flat board 70, and locates in the top to comprise bending part 44, and hub part 82 is arranged on the second suspension 80 places simultaneously.
Outstanding the second suspension hub part 82 is arranged on the central portion place of the second suspension 80 downwards.The second magnet 90 is arranged under the second suspension 80.The second magnet receiving slit 92 that the second suspension hub part 82 is coupled to is defined in the second magnet 90.One folding part 84 is arranged on the lower end of the second suspension hub part 82.
Because the second suspension hub part 82 is arranged on the second suspension 80 places, and the second magnet receiving slit 92 is defined in the second magnet 90, so they can be accurately coupled to each other.
In addition, the second magnet 90 can be arranged on the second suspension 80.In this example, the second suspension hub part 82 can project upwards.
In multifunctional micro speaker according to the present invention, this suspension can accurately reach mechanically coupled to each other with these assemblies that form this magnetic circuits part.
Simultaneously, this suspension can be via the coupling rapidly each other of simple program with these assemblies that form this magnetic circuits part.
Present technique professional person can recognize in the present invention can carry out multiple correction and variation.Therefore, correction and the variation within appended claim and equal category thereof for the present invention contained in the present invention.
The primary clustering symbol description is as follows:
1 multifunctional micro speaker
10 frameworks
12 upper frames
14 underframes
20 barrier films
30 sound coils
40 first suspensions
42 hub parts
44 bending parts
50 yokes
52 yoke receiving slits
54 bottoms
56 wall sections
60 first permanent magnets
62 permanent magnet receiving slits
70 flat boards
72 dull and stereotyped receiving slits
80 second suspensions
82 the second suspension hub parts of giving prominence to downwards
84 bending parts
90 second magnet
92 second magnet receiving slits
100 multifunctional micro speakers
101 barrier films
102 sound coils
103 flat boards
104 permanent magnets
105 yokes
107 top suspensions
108 below suspensions
110 shells
114 wire a
115 wire b
Claims (7)
1. a multifunctional micro speaker, is characterized in that, comprises:
Framework;
Barrier film, wherein the one outer periphery is fixed in this framework;
Sound coil, it is fixed in the lower surface of this barrier film;
The first suspension, wherein the one outer periphery is fixed in this framework, and this first suspension has writing board shape and elasticity;
Yoke, it is fixed in this first suspension;
The first permanent magnet, it is fixed in the inside bottom surface of this yoke; And
Flat board, it is fixed in the upper surface of this first permanent magnet,
Wherein project upwards the central portion place that the hub part is arranged on this first suspension, and the yoke receiving slit that is coupled in the hub part of this first suspension is defined in this yoke;
It is characterized in that, this multifunctional micro speaker also includes:
The second suspension, wherein the one outer periphery is fixed in this framework, and this second suspension with this first suspension mutually separates downwards, and have elasticity; And
The second magnet, it is fixed in this second suspension, and this second magnet separates mutually and is fixed on the second suspension with this first suspension and this yoke.
2. multifunctional micro speaker as claimed in claim 1, it is characterized in that, the hub part of this first suspension is by this yoke receiving slit, and the permanent magnet receiving slit that is coupled in the hub part of this first suspension by this yoke receiving slit is defined in this permanent magnet.
3. multifunctional micro speaker as claimed in claim 2, it is characterized in that, the hub part of this first suspension is by this permanent magnet receiving slit, and the dull and stereotyped receiving slit that is coupled in the hub part of this first suspension by this permanent magnet receiving slit is defined in this flat board.
4. multifunctional micro speaker as claimed in claim 3, is characterized in that, at least one part of the upper end of the hub part of this first suspension is bent to form the bending part.
5. multifunctional micro speaker as claimed in claim 1, is characterized in that, this first suspension is formed by metal material, and this hub part is cylindrical shape, and it has the inner space of hollow.
6. multifunctional micro speaker as claimed in claim 1, it is characterized in that, outstanding the second suspension hub part is arranged on the central portion place of this second suspension downwards, this second magnet is arranged under this second suspension, and the second magnet receiving slit that is coupled in this second suspension hub part is defined in this second magnet.
7. multifunctional micro speaker as claimed in claim 1, it is characterized in that, project upwards the central portion place that the second suspension hub part is arranged on this second suspension, this second magnet is arranged under this second suspension, and the second magnet receiving slit that is coupled in this second suspension hub part is defined in this second magnet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2020090010878U KR20110001968U (en) | 2009-08-20 | 2009-08-20 | Multi-function micro-speaker |
| KR20-2009-0010878 | 2009-08-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101998211A CN101998211A (en) | 2011-03-30 |
| CN101998211B true CN101998211B (en) | 2013-11-20 |
Family
ID=42953583
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101057973A Expired - Fee Related CN101998211B (en) | 2009-08-20 | 2010-01-19 | Multifunctional micro speaker |
| CN2010201072061U Expired - Lifetime CN201608883U (en) | 2009-08-20 | 2010-01-19 | Multifunctional miniature loudspeaker |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201072061U Expired - Lifetime CN201608883U (en) | 2009-08-20 | 2010-01-19 | Multifunctional miniature loudspeaker |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR20110001968U (en) |
| CN (2) | CN101998211B (en) |
| TW (2) | TW201108758A (en) |
| WO (1) | WO2011021745A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110001968U (en) * | 2009-08-20 | 2011-02-28 | 주식회사 비에스이 | Multi-function micro-speaker |
| KR200455084Y1 (en) * | 2009-09-04 | 2011-08-16 | 주식회사 비에스이 | Multifunction micro speaker |
| WO2013108607A1 (en) * | 2012-01-20 | 2013-07-25 | パナソニック株式会社 | Magnetic circuit for a speaker and speaker using same |
| KR101460431B1 (en) * | 2013-01-23 | 2014-11-12 | 부전전자 주식회사 | Electroacoustic transducer having electromagnetic damper |
| CN105072527A (en) * | 2015-07-20 | 2015-11-18 | 朝阳聚声泰（信丰）科技有限公司 | In-ear receiver |
| CN108289269B (en) * | 2018-01-04 | 2019-08-02 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| US10462560B2 (en) * | 2018-01-08 | 2019-10-29 | Skullcandy, Inc. | Driver assemblies, headphones including driver assemblies, and related methods |
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| CN2641968Y (en) * | 2003-04-01 | 2004-09-15 | 李秉彧 | Horne with improved structure |
| CN201608883U (en) * | 2009-08-20 | 2010-10-13 | 宝星电子股份有限公司 | Multifunctional miniature loudspeaker |
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| JP2002159916A (en) * | 2000-11-24 | 2002-06-04 | Citizen Electronics Co Ltd | Multifunction type acoustic device |
| KR200417799Y1 (en) * | 2006-03-24 | 2006-06-02 | 유동준 | Electroacoustic conversion unit having an output structure of the same phase bass reversal method |
| KR200421900Y1 (en) * | 2006-05-09 | 2006-07-19 | 신기음향 주식회사 | Speaker for mobile-phone |
| KR101135396B1 (en) * | 2006-07-03 | 2012-04-17 | 아이필유(주) | Multi-function micro speaker |
| KR100962594B1 (en) * | 2007-11-13 | 2010-06-11 | 에스텍 주식회사 | Multi-function speaker |
| KR20090078000A (en) * | 2008-01-14 | 2009-07-17 | 김재학 | Fabricating method for micro speaker and the same |
-
2009
- 2009-08-20 KR KR2020090010878U patent/KR20110001968U/en not_active Application Discontinuation
- 2009-11-04 WO PCT/KR2009/006438 patent/WO2011021745A1/en active Application Filing
- 2009-11-20 TW TW098139558A patent/TW201108758A/en unknown
- 2009-11-27 TW TW098222298U patent/TWM385175U/en not_active IP Right Cessation
-
2010
- 2010-01-19 CN CN2010101057973A patent/CN101998211B/en not_active Expired - Fee Related
- 2010-01-19 CN CN2010201072061U patent/CN201608883U/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2641968Y (en) * | 2003-04-01 | 2004-09-15 | 李秉彧 | Horne with improved structure |
| CN201608883U (en) * | 2009-08-20 | 2010-10-13 | 宝星电子股份有限公司 | Multifunctional miniature loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM385175U (en) | 2010-07-21 |
| KR20110001968U (en) | 2011-02-28 |
| CN101998211A (en) | 2011-03-30 |
| WO2011021745A1 (en) | 2011-02-24 |
| CN201608883U (en) | 2010-10-13 |
| TW201108758A (en) | 2011-03-01 |
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