CN107995568A - Loudspeaker loudspeaker of the drum paper and preparation method thereof with including it - Google Patents
Loudspeaker loudspeaker of the drum paper and preparation method thereof with including it Download PDFInfo
- Publication number
- CN107995568A CN107995568A CN201810072018.0A CN201810072018A CN107995568A CN 107995568 A CN107995568 A CN 107995568A CN 201810072018 A CN201810072018 A CN 201810072018A CN 107995568 A CN107995568 A CN 107995568A
- Authority
- CN
- China
- Prior art keywords
- paper
- loudspeaker
- trunk
- drum
- drum paper
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
- H04R2207/021—Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2231/00—Details of apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor covered by H04R31/00, not provided for in its subgroups
- H04R2231/003—Manufacturing aspects of the outer suspension of loudspeaker or microphone diaphragms or of their connecting aspects to said diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Manufacturing & Machinery (AREA)
- Paper (AREA)
Abstract
The present invention provides a kind of loudspeaker loudspeaker of the drum paper and preparation method thereof with including it, it is related to speaker technology field, which includes trunk with drum paper, and the trunk surface is coated with pigment coated.It can alleviate that existing bulging paper color is single using the drum paper, other colors drum technical problem that paper product rate is low and production cost is high, reaches increase drum paper color diversity and can reduce production cost and improve the technique effect of yield rate.
Description
Technical field
The present invention relates to speaker technology field, more particularly, to a kind of loudspeaker with drum paper and preparation method thereof with comprising
Its loudspeaker.
Background technology
Drum paper is the main sound-generating element in loudspeaker.Drum paper in trunk be usually by paper pulp be ferreted out Lai.At present, by
Poor in the production environment of drum paper, it is mostly black to cause drum paper currently on the market, to improve yield rate.
If the drum paper of other pigment is produced, such as white drum paper, since environment is poor, in process of production if dirty
Into in white paper pulp, then the white drum paper for easily causing production is substandard products, causes the yield rate of white drum paper relatively low.To
Directly it is copied into white trunk, it is necessary to independent workshop, copy paper pond, paper machine are established, so input cost is of a relatively high, and market
The demand of white trunk is not enough to put into independent Workshop Production, is washed in a pan if can be faced by original Process Production white trunk
Eliminate, virtually add the production cost of white drum paper, no manufacturer is ready to produce.
Therefore, the drum paper substrate of the white drum paper in existing market or other pigment originally has dropped out market, and drum paper is substantially
Black, causes current drum paper color single, it is impossible to meets the needs of paper is roused in market to colouring.
In view of this, it is special to propose the present invention.
The content of the invention
The first object of the present invention is that providing a kind of loudspeaker rouses paper, to alleviate the middle bulging paper color list of the prior art
One, other colors drum technical problem that paper product rate is low and production cost is high.
The second object of the present invention is to provide a kind of preparation method of papery drum paper, and this method technique is simple, is adapted to rule
Modelling produces.
The third object of the present invention is to provide a kind of loudspeaker for including above-mentioned bulging paper.
In order to realize the above-mentioned purpose of the present invention, spy uses following technical scheme：
A kind of loudspeaker drum paper, including trunk, the trunk surface is coated with pigment coated.
Further, it is described pigment coated including any of white, yellow, blueness, green or pink colour or at least two
The colored figure layer of kind composition；Preferably white coating.
Further, the trunk is trunk made of paper.
Further, the raw material of paper pulp is selected from used in trunk made of paper：Non- bleached kraft pulp, bleached kraft pulp, do not float
Any of white sulfite pulp or bleached sulfite slurry or at least two combination.
Further, the pigment coated thickness is 20~30 microns.
Further, the trunk edge is equipped with drum trimming.
Further, the raw material on the bulging trimming is selected from any of rubber, foam, PU or cloth or at least two group
Close.
A kind of preparation method of above-mentioned loudspeaker drum paper, described raise one's voice is obtained in the trunk surface coating pigment coating
Device drum paper.
Further, trunk first is prepared with paper pulp, then described raise one's voice is obtained in the trunk surface coating pigment coating
Device drum paper；
Preferably, the beating degree of the paper pulp is 18-20 ° of SR；
Preferably, after the trunk surface coating pigment coating paper is roused through being dried to obtain the loudspeaker；
Preferably, at a temperature of the drying temperature of drying process is 52-57 DEG C, drying time 18-22min.
A kind of loudspeaker, including loudspeaker described above drum paper.
Compared with the prior art, the present invention has the advantages that：
Loudspeaker provided by the invention drum paper, is after trunk is prepared, in trunk surface coating pigment coating.
The drum paper of the structure, it is possible to prevente effectively from prepare non-black drum paper during foreign matter pollution., can be with by taking white drum paper as an example
, so can be to avoid direct with white paper pulp in the surface coating white coating of the trunk of black drum paper to obtain white drum paper
White caused by preparing white drum paper rouses the problem of paper product is low and production cost is high.Similarly, bulging paper surface provided by the invention
Color coating can also be other colors.
Bulging paper provided by the invention, can provide the drum paper of a variety of colors, increase the diversity of drum paper, and it is beautiful to improve bulging paper
Sense.
The preparation method of bulging paper provided by the invention, can a variety of colors trunk face coat it is pigment coated so that
The drum paper of pigment needed for obtaining.Production cost is low, and the cycle is short, simple and practicable, is adapted to large-scale production.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram for the loudspeaker drum paper that the embodiment of the present invention 1 provides.
Icon：10- trunks；20- is pigment coated.
Embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
One aspect of the present invention provides a kind of loudspeaker and rouses paper, including trunk, the trunk surface are coated with face
Expect coating.
Loudspeaker provided by the invention drum paper, is after trunk is prepared, in trunk surface coating pigment coating.
The drum paper of the structure, it is possible to prevente effectively from prepare non-black drum paper during foreign matter pollution., can be with by taking white drum paper as an example
, so can be to avoid direct with white paper pulp in the surface coating white coating of the trunk of black drum paper to obtain white drum paper
White caused by preparing white drum paper rouses the problem of paper product is low and production cost is high.Similarly, bulging paper surface provided by the invention
Color coating can also be other colors.
Bulging paper provided by the invention, can provide the drum paper of a variety of colors, increase the diversity of drum paper, and it is beautiful to improve bulging paper
Sense.
The preparation method of bulging paper provided by the invention, can a variety of colors trunk face coat it is pigment coated so that
The drum paper of pigment needed for obtaining.Production cost is low, and the cycle is short, simple and practicable, is adapted to large-scale production.
It is understood that the trunk in the present invention can be black, or other colors.It is produced into reduce
This, trunk can elect black trunk as.
In certain embodiments of the present invention, it is described pigment coated including in white, yellow, blueness, green or pink colour
It is any or at least two composition colored figure layers；Preferably white coating.
It is pigment coated by selecting the coating of different colours to make, the drum paper of different pigment can be obtained.
In certain embodiments of the present invention, the trunk is trunk made of paper.Papery carcase quality is light, high sensitivity and
Cost is low.
In certain embodiments of the present invention, the raw material of paper pulp is selected from used in trunk made of paper：Non- bleached kraft pulp, drift
Any of white kraft pulp, non-bleached sulfite slurry or bleached sulfite slurry or at least two combination.
Non- bleached kraft pulp：Abbreviation UKP, primary raw material are softwood pulps, are commonly called as brown paper.
Bleached kraft pulp, abbreviation BKP, using obtained a kind of chemical pulp after kraft cooking, bleaching.
Non- bleached sulfite slurry：Abbreviation USP, primary raw material is softwood pulp or broad leaf tree slurry, using broad leaf tree slurry as original
The fibre length of the non-bleached sulfite slurry of material is shorter, and non-bleached sulfite of the intensity only using softwood pulp as raw material is starched
Half, lignin is also more.
Bleached sulfite is starched：Abbreviation BSP, the fiber of bleached sulfite slurry is pure white, and quality is pure and soft, but due to
By bleaching, fibre strength is starched less than non-bleached sulfite.
In certain embodiments of the present invention, the pigment coated thickness is 20~30 microns.
It is understood that drum paper is phonation unit important in loudspeaker, tonequality quality has much relations with drum paper,
Surface spraying paint thickness and the uniformity have certain limitations, it is impossible to the tonequality of loss drum paper.
In certain embodiments of the present invention, the pigment coated coating is selected from water paint, such as aqueous white
Coating.
Coating and the adhesion on papery drum paper surface will reach some strength, and surface produces vibration when rousing paper sounding, ensures
Adsorption strength of the coating on drum paper surface is more than vibrational energy, does not produce peeling.Dope viscosity can influence sprayed surface at the same time
Uniformity, selects the coating of appropriate viscosity, will not lose the acoustical quality of bulging paper.
In certain embodiments of the present invention, the trunk edge is equipped with drum trimming.
Wherein, the material on drum trimming can be selected from any of rubber, foam, PU or cloth or at least two combination.
Drum trimming mainly plays a supportive role, and drum trimming material has an impact the tonequality and service life of drum paper.Drum paper trunk
Using paper material, light weight, but its limited mechanical strength has certain elasticity and machinery, it is necessary to coordinate bulging trimming to use
The drum trimming of intensity, can improve the service life of bulging paper.
The second aspect of the invention provides a kind of preparation method of above-mentioned loudspeaker drum paper, on the trunk surface
Coating pigment coating obtains the loudspeaker and rouses paper.
The preparation method of loudspeaker provided by the invention drum paper, when preparing non-black drum paper, can select black trunk
Body can save association with pulp bleaching process, bulging paper trunk shape is copied into by black paper pulp, in its table in its surface coating pigment coating
Face spray coated paint coating.This method cost is low, and the cycle is short, simple and practicable, is adapted to large-scale production.
Preparation method provided by the invention, the drum paper of different color can be obtained according to the pigment coated pigment of coating.
Specifically, this method has the following advantages：1) preparation method is that spray coated paint coating is not produced during follow-up
Environment (influence in copy paper pond)；2) influence that top layer is polluted from black paper pulp；If 3) arrived by the foreign substance pollution of other colors, weight
Spray pigment coated.
In certain embodiments of the present invention, trunk first is prepared with paper pulp, then in trunk surface coating pigment
Coating obtains the loudspeaker and rouses paper.
In process of production, the beating degree of paper pulp is 18-20 ° of SR.
Beating degree reaction paste is after fiberizer, the effect of the defibrination effect such as fiber is cut off, divides, swollen and aquation,
The more big then fiber of the longer beating angle value of beating time is shorter.Beating degree is to represent an index of paper stock property, is kowtowed according to paper pulp
Solution degree can grasp drainage rate of the paper pulp on paper machine copper mesh, at the same can also estimate the production mechanical strength of paper, tightness and
Arrangeability etc., therefore beating degree is a kind of important technical controlling index in production.
In certain embodiments of the present invention, paper pulp is dried after being copied into bulging paper trunk, 50~250 DEG C of drying temperature, when
Between 1~60 minute.
Drying is the process being evaporated to the moisture in l Water Paper, and when drying rouses paper surface temperature can not be excessive, otherwise paper
Crease easily and embrittlement；Drying temperature is low, can influence to rouse the elasticity and mechanical strength of paper.
In certain embodiments of the present invention, through being dried to obtain described raise after the trunk surface coating pigment coating
Sound device drum paper.Alternatively, at a temperature of the drying temperature of drying process is 52-57 DEG C, drying time 18-22min.
Pigment coated drying process influences the pigment coated and adhesion on trunk surface, reaches do solid work in the drying process
Effect, ensures pigment coated not easily to fall off in drum paper voiced process.
In certain embodiments of the present invention, the preparation method of above-mentioned bulging paper comprises the following steps：
Paper pulp is smashed mixing by step a)；
The obtained paper pulp of step a) is copied into trunk and is dried by step b) using grinding tool；
Step c) is pigment coated in the trunk surface spraying that step b) is obtained and is dried；
The trunk arrived of step c) is bonded by step d) with drum trimming, obtains loudspeaker drum paper.
The obtained loudspeaker of this method drum paper, surface spraying is pigment coated, improves the aesthetic feeling of bulging paper, realizes drum paper
Variation, and the technique simply easily realizes that cost is low, is adapted to large-scale production.
The third aspect of the invention provides a kind of loudspeaker, including above-mentioned loudspeaker drum paper.
The papery drum paper of the present invention is further described in detail below in conjunction with embodiment.
Embodiment 1
As shown in Figure 1, a kind of loudspeaker of the present embodiment drum paper, including trunk 10,10 surface of trunk are applied coated with pigment
Layer 20.
Wherein, trunk 10 is trunk made of paper, and pigment coated 20 be white coating, and the thickness of white coating is 25 microns.Trunk
20 edge of body is equipped with the drum trimming of rubber material.
Loudspeaker in the present embodiment is with the preparation method of drum paper：First prepared with beating degree for the black paper pulp of 19 ° of SR
Go out trunk, then obtain the loudspeaker in black trunk surface coating white coating and rouse paper.Wherein, on trunk surface, coating is white
Paper is roused through being dried to obtain the loudspeaker after color coating, at a temperature of drying temperature is 55 DEG C, drying time 20min.
Embodiment 2
A kind of loudspeaker of the present embodiment drum paper, is with the difference of embodiment 1, pigment coated in the present embodiment
For light blue coating.
Loudspeaker in the present embodiment is with the preparation method of drum paper：Trunk first is prepared with black paper pulp, then in black
Trunk surface coats light blue coating and obtains the loudspeaker drum paper.
Other are same as Example 1.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution described in foregoing embodiments, either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of loudspeaker drum paper, it is characterised in that including trunk, the trunk surface is coated with pigment coated.
2. loudspeaker according to claim 1 drum paper, it is characterised in that described pigment coated including white, yellow, indigo plant
The colored figure layer of any of color, green or pink colour or at least two compositions；Preferably white coating.
3. loudspeaker according to claim 1 or 2 drum paper, it is characterised in that the trunk is trunk made of paper.
4. loudspeaker according to claim 3 drum paper, it is characterised in that the raw material of paper pulp is selected from used in trunk made of paper：
Non- bleached kraft pulp, bleached kraft pulp, non-bleached sulfite slurry or bleached sulfite slurry any of or at least
Two kinds of combination.
5. loudspeaker according to claim 1 or 2 drum paper, it is characterised in that the pigment coated thickness for 20~
30 microns.
6. loudspeaker according to claim 1 or 2 drum paper, it is characterised in that the trunk edge is equipped with drum trimming.
7. loudspeaker according to claim 6 drum paper, it is characterised in that the raw material on the bulging trimming is selected from rubber, bubble
Any of cotton, PU or cloth or at least two combination.
8. a kind of claim 1-7 any one of them loudspeaker preparation method of drum paper, it is characterised in that in the trunk
Surface coating pigment coating obtains the loudspeaker and rouses paper.
9. preparation method according to claim 8, it is characterised in that trunk first is prepared with paper pulp, then in the trunk
Surface coating pigment coating obtains the loudspeaker and rouses paper；
Preferably, the beating degree of the paper pulp is 18-20 ° of SR；
Preferably, after the trunk surface coating pigment coating paper is roused through being dried to obtain the loudspeaker；
Preferably, at a temperature of the drying temperature of drying process is 52-57 DEG C, drying time 18-22min.
10. a kind of loudspeaker, it is characterised in that including claim 1-7 any one of them loudspeaker drum paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072018.0A CN107995568A (en) | 2018-01-25 | 2018-01-25 | Loudspeaker loudspeaker of the drum paper and preparation method thereof with including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810072018.0A CN107995568A (en) | 2018-01-25 | 2018-01-25 | Loudspeaker loudspeaker of the drum paper and preparation method thereof with including it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107995568A true CN107995568A (en) | 2018-05-04 |
Family
ID=62039782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810072018.0A Withdrawn CN107995568A (en) | 2018-01-25 | 2018-01-25 | Loudspeaker loudspeaker of the drum paper and preparation method thereof with including it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107995568A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012414A (en) * | 2019-05-20 | 2019-07-12 | 东莞市韵源电子有限公司 | Drum paper trunk making apparatus |
| CN110446143A (en) * | 2019-07-05 | 2019-11-12 | 歌尔股份有限公司 | The vibrating diaphragm and sounding device of sounding device |
| CN114257943A (en) * | 2020-09-22 | 2022-03-29 | 江苏丰迪科技有限公司 | Drum paper assembling method |
| CN114257942A (en) * | 2020-09-22 | 2022-03-29 | 江苏丰迪科技有限公司 | Drum paper body forming method |
| CN114257948A (en) * | 2020-09-22 | 2022-03-29 | 江苏丰迪科技有限公司 | Method for producing drum paper body |
| WO2022061486A1 (en) * | 2020-09-22 | 2022-03-31 | 江苏丰迪科技有限公司 | Drum paper carcass forming method |
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| JPH10285679A (en) * | 1997-04-02 | 1998-10-23 | Marui Kogyo Kk | Speaker |
| KR20020085502A (en) * | 2001-05-08 | 2002-11-16 | 학교법인주성학원 | Automated Manufacturing method of ceramic coating on cone paper of a speaker |
| CN1416297A (en) * | 2002-10-31 | 2003-05-07 | 游文登 | Method for producing loudspeaker and special set thereof |
| CN1485216A (en) * | 2002-09-25 | 2004-03-31 | 陈垂哲 | Drum paper and the forming method of the surficial colored drawing thereof |
| CN205385608U (en) * | 2016-01-30 | 2016-07-13 | 高美（安远）电子有限公司 | Full -automatic painting equipment of fidelity loudspeaker drum paper |
| CN206118000U (en) * | 2016-08-31 | 2017-04-19 | 徐雷 | Use speaker drum paper or high pitch diaphragm of new materials |
| CN206807745U (en) * | 2017-04-24 | 2017-12-26 | 深圳市佳恩特声学科技发展有限公司 | A kind of Loudspeaker diaphragm |
| CN208015985U (en) * | 2018-01-25 | 2018-10-26 | 王飞 | Loud speaker drum paper and the loud speaker comprising it |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10285679A (en) * | 1997-04-02 | 1998-10-23 | Marui Kogyo Kk | Speaker |
| KR20020085502A (en) * | 2001-05-08 | 2002-11-16 | 학교법인주성학원 | Automated Manufacturing method of ceramic coating on cone paper of a speaker |
| CN1485216A (en) * | 2002-09-25 | 2004-03-31 | 陈垂哲 | Drum paper and the forming method of the surficial colored drawing thereof |
| CN1416297A (en) * | 2002-10-31 | 2003-05-07 | 游文登 | Method for producing loudspeaker and special set thereof |
| CN205385608U (en) * | 2016-01-30 | 2016-07-13 | 高美（安远）电子有限公司 | Full -automatic painting equipment of fidelity loudspeaker drum paper |
| CN206118000U (en) * | 2016-08-31 | 2017-04-19 | 徐雷 | Use speaker drum paper or high pitch diaphragm of new materials |
| CN206807745U (en) * | 2017-04-24 | 2017-12-26 | 深圳市佳恩特声学科技发展有限公司 | A kind of Loudspeaker diaphragm |
| CN208015985U (en) * | 2018-01-25 | 2018-10-26 | 王飞 | Loud speaker drum paper and the loud speaker comprising it |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012414A (en) * | 2019-05-20 | 2019-07-12 | 东莞市韵源电子有限公司 | Drum paper trunk making apparatus |
| CN110446143A (en) * | 2019-07-05 | 2019-11-12 | 歌尔股份有限公司 | The vibrating diaphragm and sounding device of sounding device |
| CN114257943A (en) * | 2020-09-22 | 2022-03-29 | 江苏丰迪科技有限公司 | Drum paper assembling method |
| CN114257942A (en) * | 2020-09-22 | 2022-03-29 | 江苏丰迪科技有限公司 | Drum paper body forming method |
| CN114257948A (en) * | 2020-09-22 | 2022-03-29 | 江苏丰迪科技有限公司 | Method for producing drum paper body |
| WO2022061486A1 (en) * | 2020-09-22 | 2022-03-31 | 江苏丰迪科技有限公司 | Drum paper carcass forming method |
| CN114257943B (en) * | 2020-09-22 | 2023-07-14 | 江苏丰迪科技有限公司 | Drum paper assembling method |
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Application publication date: 20180504 |