CN102480669B - Microspeaker - Google Patents
Microspeaker Download PDFInfo
- Publication number
- CN102480669B CN102480669B CN201110241624.9A CN201110241624A CN102480669B CN 102480669 B CN102480669 B CN 102480669B CN 201110241624 A CN201110241624 A CN 201110241624A CN 102480669 B CN102480669 B CN 102480669B
- Authority
- CN
- China
- Prior art keywords
- hanging members
- fixed
- central part
- framework
- plate body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
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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
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/025—Diaphragms comprising polymeric materials
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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
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
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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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
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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
Abstract
The present invention relates to Microspeaker, it is characterized in that comprising: framework; Magnetic circuit part, forms by being fixed on the yoke of framework, the permanent magnet being fixed on this yoke and the plate be fixed on above described permanent magnet; Vibration plate body, its edge is fixed on described framework, and intermediate portion is can through mode be formed; Hanging members, be positioned at below described vibration plate body, its edge is fixed on described framework, is made up of the central part mutually formed as one and periphery; Voice coil loudspeaker voice coil, it is fixed on below described hanging members, below the boundary member being namely fixed on described central part and periphery; And lid, it is incorporated into described framework.According to the present invention, following effect can being obtained: by possessing the hanging members be integrally formed by central part, the Microspeaker of the frequency characteristic with the electrically low resonance frequency of regeneration (Fo) and broad flat can be obtained.
Description
Technical field
The present invention relates to Microspeaker, more specifically, relate to the Microspeaker that feature is following: possess the hanging members be integrally constituted by the central part in the past playing the effect of oscillating plate vault, therefore structure is simple, assembling procedure reduces, and can obtain the characteristic of the electrically low resonance frequency of regeneration (Fo) and broad flat frequency.
Background technology
Usually, loud speaker is the device converting electrical signals to voice signal.Loud speaker is existing to be connected to sound equipment or loudspeaker and to be used for significantly improving the medium-and-large-sized loud speaker of volume, also has for little audio frequency apparatus such as mobile phone, notebook, MP3 regenerator, the earphone etc. of the size miniature loudspeaker of portable audio device that significantly increases of demand in recent years.Usually, this miniature loudspeaker is called Microspeaker.
Below, simple declaration had the formation of the Microspeaker of general structure in the past.In FIG, Microspeaker 100 is in the past illustrated as schematic cross sectional stereogram.
Microspeaker 100 is made up of framework 110, yoke 120, permanent magnet 130, plate 140, oscillating plate 150, hanging members 160, voice coil loudspeaker voice coil 170 and lid 180.
Framework 110 as the component of composition Microspeaker profile, for installing miscellaneous part.Yoke 120, permanent magnet 130 and plate 140 form magnetic circuit.
Oscillating plate 150 with boundary member 156 for benchmark is divided into inboard portion 152 and Outboard Sections 154.The interior outside of oscillating plate 150, boundary member all form as one.Inboard portion 152 is slightly upward protruding partial shapes, also referred to as vault (dome).Outboard Sections 154 is the parts of being surrounded from outside inboard portion 152.As shown in the figure, Outboard Sections 154 is also slightly upward protruding shape.
The inboard portion of oscillating plate and Outboard Sections are main respectively be there are differences on regeneration range.Outboard Sections is made up of soft material, the sound of main regeneration low range during vibration, and inboard portion is made up of the material of relative rigid, the sound of main regeneration height range.
On the other hand, the lateral profile portion of Outboard Sections 154 is smooth, and its lateral profile portion is fixed on framework 110.At the top combining cover 180 of framework 110, built-in miscellaneous part.
And, below the boundary member 156 of Outboard Sections and inboard portion, every being provided with voice coil loudspeaker voice coil 170 with hanging members 160.Voice coil loudspeaker voice coil 170 upper end that coiled electrical conductor is formed is adhered to below the hanging members 160 that is configured in below oscillating plate 150.
Hanging members 160 is that the above-below direction in order to control oscillating plate 150 moves and arranges.The effect of hanging members 160 is, oscillating plate 150 is only suitably vibrated at above-below direction, and the movement of left and right directions does not occur.Boundary member 156 downside and the hanging members 160 of oscillating plate 150 interfix, and lateral profile is also fixed on framework 110 as oscillating plate.
The mid portion of hanging members 160 is through with above-below direction.That is, the hanging members 160 below the inboard portion 152 being positioned at oscillating plate 150 is for empty.The hanging members 160 of Outboard Sections 154 inferior portion being positioned at oscillating plate is formed with multiple length and bending groove.
This groove is to make hanging members 160 can elastic vibration and being formed in the vertical direction.The width of regulating tank, length and shape, the i.e. elastic force of the above-below direction of adjustable hanging members.
On the other hand, although not shown, but when the Microspeaker of another conventional art, compared with the conventional art shown in Fig. 1, other formations are all identical, just do not possess hanging members to use.In addition, when the loud speaker of another conventional art, using the oscillating plate that forms as follows: in order to better embody high pitch and bass, being separated the inboard portion of oscillating plate and Outboard Sections and after forming different component, its grade being be combined with each other again and forms oscillating plate.
But, in described Microspeaker in the past, when being integrally formed oscillating plate, there are the following problems point: the size because of one-piece type oscillating plate is little and the elastic force of Outboard Sections is increased, thus restriction is produced to the regeneration of low territory.That is, because of the limitation of one-piece type oscillating plate, cause high resonance frequency (Fo) and regenerate range short, the problem that in existing, input is low.
In addition, in order to address this is that, though solve subproblem by making oscillating plate by thin material matter, but still the residual oscillating plate arch crown part together deliquescing along with integral structure, cause the problem that cannot receive interior input.
Though this problem solves subproblem by adopting the oscillating plate that formed in the mode that inboard portion and Outboard Sections are made into different component, but this formation also creates following problem points: when applying high input to loud speaker, there is different sound and high distortion because oscillating plate is not one because of the diaphagras of oscillating plate and skew vibration.
In addition, when oscillating plate is not one but is made by different component, there are the following problems point: number of components increases, assembling procedure increasing number, thus the production efficiency of product is deteriorated, cost improves.
Summary of the invention
The present invention proposes to solve described problem points, its object is to, by sectoral integration that the vault (inboard portion) playing oscillating plate is acted on in hanging members, can produce and can not increase number of components compared to loud speaker in the past, and regeneration range is wide, the height output loud speaker that interior input is high.
The present invention relates to Microspeaker, it is characterized in that, comprising: framework; Magnetic circuit part, forms by being fixed on the yoke of framework, the permanent magnet being fixed on this yoke and the plate be fixed on above described permanent magnet; Vibration plate body, its edge is fixed on described framework, and intermediate portion is can through mode be formed; Hanging members, be positioned at below described vibration plate body, its edge is fixed on described framework, is made up of the central part mutually formed as one and periphery; Voice coil loudspeaker voice coil, it is fixed on below described hanging members, below the boundary member being namely fixed on described central part and periphery; And lid, it is incorporated into described framework.
On the other hand, the central part of described hanging members, by the middle through portion of described vibration plate body, raises up and is formed as suitable.
On the other hand, the central part of described hanging members is relative with the middle through portion of described vibration plate body, and is advisable to the shape of lower convexity.
On the other hand, the central part of described hanging members possesses at least one raised line (rib) giving prominence to formation with narrow and long shape to be advisable.
On the other hand, there is multiple described raised line, and described raised line is spaced from each other distance and is advisable side by side.
On the other hand, the periphery of described hanging members possesses the through part of at least one shape narrow and long with width, or at least partially for the shape of gauffer is advisable.
On the other hand, described hanging members adopts polyvinyl chloride (polyvinyl chloride; PV), PEN (Polyethylene Naphthalate; PEN), polyphenylene sulfide (Polyphenylenesulfide; PPS), polyether-ether-ketone (Polyetheretherketone; PEEK), polyimides (Poly Imide; PI), Polyetherimide (Polyetherimide; PEI), Merlon (Polycarbonate; PC) any one material and in the U.S. paper (NOMAX) of promise, is fabricated to suitable according to thermoforming process.
According to the present invention, following effect can being obtained: by possessing the hanging members be integrally formed by central part, the Microspeaker of the frequency characteristic with the electrically low resonance frequency of regeneration (Fo) and broad flat can be obtained.
According to the present invention, following effect can be obtained: by the effect making the central part be formed in hanging members play oscillating plate vault part, the high height of interior input can be produced and export loud speaker.
In addition, according to the present invention, can obtain following effect: comprise the vault part of oscillating plate in the past due to hanging members and form as one, therefore number of components is few, assembling is simple, thus reduces assembly expenses.
On the other hand, when possessing raised line at the central part of hanging members, the effect fully guaranteeing central part rigidity can be obtained.
Accompanying drawing explanation
Fig. 1 is the schematic cross sectional view of Microspeaker in the past,
Fig. 2 is the concise and to the point exploded perspective view of the Microspeaker of one embodiment of the invention,
Fig. 3 is the schematic cross sectional stereogram of the assembled state of Microspeaker shown in Fig. 2,
Fig. 4 is the schematic cross sectional view of the assembled state of Microspeaker shown in Fig. 2,
Fig. 5 and Fig. 6 is plane graph and the side view of hanging members shown in Fig. 2 respectively,
Fig. 7 and Fig. 8 is plane graph and the side view of the hanging members adopted in other embodiments of the invention respectively,
Fig. 9 and Figure 10 is the stereogram of the hanging members adopted in other embodiments of the invention respectively.
[symbol description]
1--Microspeaker
10-framework
20-yoke
30-permanent magnet
40-plate
50-vibrates plate body
60-hanging members
62-central part
64-periphery
70-voice coil loudspeaker voice coil
80-covers
Embodiment
2 to accompanying drawing 6 describes the Microspeaker of one embodiment of the invention in detail with reference to the accompanying drawings.
The Microspeaker 1 of the present embodiment comprises framework 10, yoke 20, permanent magnet 30, plate 40, vibration plate body 50, hanging members 60, voice coil loudspeaker voice coil 70 and lid 80 and forms.
Described Microspeaker 1 is the Microspeaker for the such as compact audio equipment such as mobile phone, earphone, MP3.The present invention is characterized in, the part and central part that played oscillating plate vault (dome) partial action are integrally formed and form by hanging members 60 in the past.
Described framework 10, usually by plastic production, forms the profile of loud speaker, and fixes various parts therein.The bottom of framework is in conjunction with yoke 20 and seal.
The lid 80 possessing multiple air vent hole 82 is combined in the upper end of framework 10.The outline portion fixed as the edge vibrating plate body 50 and hanging members 60 is combined between the upper end of framework 10 and lid 80.The air vent hole 82 of lid 80 is the formations for externally being released by generated audio frequency.
Described yoke 20 is made by the magnetic material of tool, is fixed on framework 10.
Described permanent magnet 30 is formed by the component 32 of the circular plate shape of centre and the flat element 34 of its peripheral circular shape.Permanent magnet 30 is fixed on the bottom surface of yoke 20.The plate 42,44 had with corresponding permanent magnet 32,34 corresponding plane width is fixed with respectively on permanent magnet 32,34.Plate 40 is made by the magnetic material of tool, is made up of the component 42 of the circular plate shape of centre and the flat element 44 of its peripheral circular shape.
With reference to Fig. 4, between permanent magnet 30 and plate 40, be formed with space, the bottom of voice coil loudspeaker voice coil 70 is positioned at this space, and together with vibration plate body 50 and hanging members 60 up-down vibration.
Yoke 20, permanent magnet 30 and plate 40 form magnetic circuit part.The flux that permanent magnet 32 in inner side produces is formed through plate 42, and reenters the flux path (path) of yoke 20 through outside permanent magnet 34 and plate 44.
On the other hand, in case of the present embodiment, listing yoke 20 is smooth plate shape, and permanent magnet 30 and plate 40 are made up of the annular component outside discoideus component and its respectively, but the present invention is not limited thereto.When other embodiments, yoke can be the shape possessing spill accepting groove in inner side, and permanent magnet and plate can be the circular plate shape be fixed in the accepting groove of yoke.Permanent magnet and plate can be made up of a component respectively.
The mid portion of described vibration plate body 50 is through at above-below direction.Vibration plate body 50, along with the mobile up-down vibration of voice coil loudspeaker voice coil 70, produces the acoustic pressure that people can hear.Usually, the audio frequency that plate body 50 produces low range is vibrated.Vibration plate body 50 is made by macromolecular compound, and concrete material and shape can carry out various distortion.Compared to oscillating plate in the past, vibration plate body 50 can be made by relatively thin material, to allow to the audio frequency regenerating required range.
The outside that it is benchmark that the vibration plate body 50 of the present embodiment is positioned at the boundary member at the place, upper end of voice coil loudspeaker voice coil 70.Vibration plate body 50 is vault (dome) shape, and each boundary member in inner side and outside is smooth.
As long as vibration plate body possesses in the through part of above-below direction at mid portion, other formations such as the concrete shape of the vibration plate body that Microspeaker of the present invention adopts, material and thickness can carry out multiple change.
Described hanging members 60 is positioned at below vibration plate body 50.The profile of hanging members 60 is fixed on framework 10.Hanging members 60 comprises central part 62 and periphery 64 and forms.Central part 62 and periphery 64, as a component, form as one.The interface portion of central part 62 and periphery 64 is boundary member 65.At the upper side fixing vibration plate body 50 of boundary member, fix voice coil loudspeaker voice coil 70 in downside.
In case of the present embodiment, hanging members 60 is formed by the macromolecular material that can carry out thermoforming, as polyvinyl chloride (polyvinyl chloride; The material such as PV).Hanging members 60 can be manufactured by injection forming method.When other embodiments, hanging members can adopt following material to make: PEN (Polyethylene Naphthalate; PEN), polyphenylene sulfide (Polyphenylenesulfide; PPS), polyether-ether-ketone (Polyetheretherketone; PEEK), polyimides (Poly Imide; PI), Polyetherimide (Polyetherimide; PEI), Merlon (Polycarbonate; And the material that thermoforming process can be utilized to manufacture such as the U.S. paper (NOMAX) of promise PC).
In addition, the mode that the hanging members 60 of the present embodiment is raised up by through part in the middle of vibration plate body 50 with its central part 62 is formed.Central part 62 classify in the dome portions with oscillating plate in the past like shape.
In case of the present embodiment, 4 are had altogether with the through part 66 of narrow and long shape at hanging members 60 periphery 64.The shape of through portion 66 is formed in the centrosymmetric mode relative to hanging members 60.Because of through portion 66, hanging members 60 can in above-below direction elastic vibration.Regulate width, length, the shape of through portion 66, namely adjustable hanging members 60 is at the elastic force of above-below direction.
On the other hand, the hanging members 60 of the present embodiment is the form raised up, but the present invention is not limited thereto.That is, when other embodiments, although the central part of not shown hanging members, also can lower portion convex to form.This situation is also identical with the embodiment proposed before, and central part is relative with the middle through portion of vibration plate body, is positioned at the below of this through portion.
In case of the present embodiment, electric connection part 90 is had in the side of framework 10.Electric connection part 90 is connected with voice coil loudspeaker voice coil 70, thus the signal of telecommunication of external electrical equipment puts on voice coil loudspeaker voice coil 70.
Below, the effect of the Microspeaker 1 with described formation is described.
Microspeaker 1 tool of the present embodiment has the following advantages: vibration plate body only possesses Outboard Sections, mid portion is in the through shape of above-below direction, the intermediate raised portion of oscillating plate and vault part were formed in hanging members in the past, therefore can possess broad frequency characteristic.
Namely, the central part primary responsibility of hanging members regenerates high range audio frequency, vibration plate body is responsible for regenerating low range audio frequency, compensate for because the vault of centre and the seamed edge portion of surrounding formed as one and cannot regenerate the shortcoming of the audio frequency of abundant range in the past, compared with loud speaker in the past, broad frequency characteristic can be possessed.
In addition, because central part forms as one by hanging members, tool has the following advantages: number of components is compared with the past can not be increased, and therefore also manufacturing cost will be caused to rise because of the increase of parts and operation.
In addition, tool has the following advantages: according to the present embodiment, can obtain the Microspeaker with the electrically low resonance frequency of regeneration (Fo) and broad flat frequency characteristic.
In addition, tool has the following advantages: according to the present invention, makes the central part be formed in hanging members play the effect of the vault part of oscillating plate, therefore, it is possible to the height that in making, input is high exports loud speaker.
On the other hand, represent the plane graph of the hanging members 60a through distortion in the figure 7, indicate the profile of the VIII-VIII line along Fig. 7 in fig. 8.The central part 62a of hanging members 60a has the raised line 63a (rib) projecting upwards formation with narrow and long shape.On the other hand, when other embodiments, raised line 63a can also outstandingly downwards be formed.
Possess 4 described raised line 63a altogether, be spaced from each other distance and and row arrangement.By the formation of this raised line 63a, the effect that central part 62a can have more rigidity can be obtained.On the other hand, when other embodiments, the concrete shape of raised line and quantity can carry out various deformation.
On the other hand, the stereogram of the hanging members 60b through distortion, 60c is indicated in figure 9 and in figure 10 respectively.Central part 62b, 62c of each hanging members 60b, 60c form identical with the central part 62 of the hanging members 60 of the first embodiment, but the formation of periphery 64b, 64c is out of shape.
That is, when Fig. 9, around on portion 64b, the wrinkled portion being folded into "the" shape repeats to be formed intermittently.In case of fig. 10, around on portion 64c, wrinkled portion is formed as overall.
When periphery 64b, 64c of the hanging members 60b of Fig. 9 and Figure 10 embodiment, 60c, the concrete shape of wrinkled portion can carry out various deformation, can obtain required elastic force by this distortion.
On the other hand, the Microspeaker cylindrical state on the whole of the described embodiment enumerated, its Inner Constitution is also rounded, but can be deformed into ellipse, quadrangle or the form as the runway of sports ground beyond circle according to embodiment.
Claims (4)
1. a Microspeaker, is characterized in that, comprising:
Framework;
Magnetic circuit part, forms by being fixed on the yoke of framework, the permanent magnet being fixed on this yoke and the plate be fixed on above described permanent magnet;
Vibration plate body, its edge is fixed on described framework, intermediate portion with can through mode to be formed in above-below direction through;
Hanging members, be positioned at below described vibration plate body, its edge is fixed on described framework, be made up of the central part mutually formed as one and periphery, the central part of described hanging members is relative with the middle through portion of described vibration plate body, and the central part of described hanging members to be raised up formation by through portion in the middle of vibration plate body; The central part of described hanging members possesses one or more raised line giving prominence to formation with narrow and long shape, and described multiple raised line is spaced from each other distance and side by side;
Voice coil loudspeaker voice coil, it is fixed on below described hanging members, below the boundary member being namely fixed on described central part and periphery; And
Lid, it is incorporated into described framework.
2. Microspeaker according to claim 1, is characterized in that,
The central part of described hanging members is by the middle through portion of described vibration plate body.
3. Microspeaker according to claim 1, is characterized in that,
The periphery of described hanging members possesses the through part of at least one shape narrow and long with width, or is the shape of gauffer at least partially.
4. Microspeaker according to claim 1, is characterized in that,
Described hanging members adopts any one material in the U.S. paper of polyvinyl chloride, PEN, polyphenylene sulfide, polyether-ether-ketone, polyimides, Polyetherimide, Merlon and promise, according to thermoforming process manufacture.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100116218A KR101156053B1 (en) | 2010-11-22 | 2010-11-22 | Micro-speaker |
| KR10-2010-0116218 | 2010-11-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102480669A CN102480669A (en) | 2012-05-30 |
| CN102480669B true CN102480669B (en) | 2015-08-19 |
Family
ID=45868715
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110241624.9A Active CN102480669B (en) | 2010-11-22 | 2011-08-19 | Microspeaker |
| CN 201120305801 Expired - Fee Related CN202178854U (en) | 2010-11-22 | 2011-08-19 | Miniature loudspeaker |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120305801 Expired - Fee Related CN202178854U (en) | 2010-11-22 | 2011-08-19 | Miniature loudspeaker |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101156053B1 (en) |
| CN (2) | CN102480669B (en) |
| TW (1) | TWI499315B (en) |
| WO (1) | WO2012070729A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101156053B1 (en) * | 2010-11-22 | 2012-06-20 | 주식회사 비에스이 | Micro-speaker |
| KR101415755B1 (en) * | 2012-06-14 | 2014-07-09 | 주식회사 이엠텍 | Sound transducer with sound pressure controlling function |
| KR101363408B1 (en) * | 2012-07-30 | 2014-02-18 | 주식회사 이엠텍 | Suspension for a sound transducer |
| KR101468630B1 (en) * | 2013-03-19 | 2014-12-04 | 부전전자 주식회사 | Diaphragm module and micro-speaker having the same |
| KR101483089B1 (en) * | 2013-04-24 | 2015-01-19 | 주식회사 이엠텍 | Suspension for sound transducer |
| KR101439915B1 (en) * | 2013-06-03 | 2014-09-15 | 주식회사 이엠텍 | Slim width microspeaker |
| KR101475341B1 (en) * | 2013-06-07 | 2014-12-22 | 주식회사 이엠텍 | Slim microspeaker |
| KR101363522B1 (en) * | 2013-09-04 | 2014-02-14 | 주식회사 비에스이 | A suspension with conduction bridge for micro speaker |
| KR101564896B1 (en) * | 2015-01-17 | 2015-10-30 | 주식회사 슬리비스 | Diaphragm Assembly |
| KR101760754B1 (en) * | 2016-08-23 | 2017-07-25 | 주식회사 이엠텍 | Side diaphragm with waterproof and microspeaker having the same |
| TWI702856B (en) * | 2018-08-22 | 2020-08-21 | 美律實業股份有限公司 | Speaker |
| KR102165335B1 (en) * | 2018-12-12 | 2020-10-14 | 주식회사 이그잭스 | Rfid tag and manufacturing method thereof |
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| CN1075240A (en) * | 1992-02-07 | 1993-08-11 | 李柾基 | The loud speaker of body sense |
| KR200432596Y1 (en) * | 2006-09-27 | 2006-12-05 | 주식회사 진영음향 | A speaker |
| CN101111097A (en) * | 2006-07-19 | 2008-01-23 | 上海先锋电声器材有限公司 | Loudspeaker |
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| CN202178854U (en) * | 2010-11-22 | 2012-03-28 | 宝星电子股份有限公司 | Miniature loudspeaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100540289B1 (en) * | 2002-12-24 | 2006-01-11 | 주식회사 진영음향 | Dynamic micro speaker of composite mode of vibration and sound |
| KR100419914B1 (en) * | 2003-03-17 | 2004-02-25 | 주식회사 진영음향 | A Vibration Module for Micro Speaker and Micro Speaker with the same |
| KR200385741Y1 (en) * | 2005-03-04 | 2005-06-03 | 대영전자주식회사 | Yoke Support Means For High Power Mini Speaker |
| TWM305530U (en) * | 2006-06-07 | 2007-01-21 | Huei-Shin Ke | Tuning piece of speaker |
| KR101000756B1 (en) * | 2008-10-15 | 2010-12-13 | 주식회사 비에스이 | Micro speaker diaphragm, the method thereof and micro speaker comprising the same diaphragm |
-
2010
- 2010-11-22 KR KR1020100116218A patent/KR101156053B1/en active IP Right Grant
-
2011
- 2011-04-13 WO PCT/KR2011/002617 patent/WO2012070729A1/en active Application Filing
- 2011-06-21 TW TW100121679A patent/TWI499315B/en active
- 2011-08-19 CN CN201110241624.9A patent/CN102480669B/en active Active
- 2011-08-19 CN CN 201120305801 patent/CN202178854U/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1075240A (en) * | 1992-02-07 | 1993-08-11 | 李柾基 | The loud speaker of body sense |
| CN101111097A (en) * | 2006-07-19 | 2008-01-23 | 上海先锋电声器材有限公司 | Loudspeaker |
| KR200432596Y1 (en) * | 2006-09-27 | 2006-12-05 | 주식회사 진영음향 | A speaker |
| KR100930537B1 (en) * | 2009-09-03 | 2009-12-09 | 주식회사 블루콤 | Micro speaker including a structure of uniting an vibration plate for high power |
| CN202178854U (en) * | 2010-11-22 | 2012-03-28 | 宝星电子股份有限公司 | Miniature loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201223298A (en) | 2012-06-01 |
| WO2012070729A1 (en) | 2012-05-31 |
| CN202178854U (en) | 2012-03-28 |
| TWI499315B (en) | 2015-09-01 |
| KR101156053B1 (en) | 2012-06-20 |
| KR20120054868A (en) | 2012-05-31 |
| CN102480669A (en) | 2012-05-30 |
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