CN109819379A - Vibrating diaphragm and microphone device - Google Patents
Vibrating diaphragm and microphone device Download PDFInfo
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- CN109819379A CN109819379A CN201811643039.XA CN201811643039A CN109819379A CN 109819379 A CN109819379 A CN 109819379A CN 201811643039 A CN201811643039 A CN 201811643039A CN 109819379 A CN109819379 A CN 109819379A
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- 239000000463 material Substances 0.000 claims abstract description 51
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 39
- 239000004917 carbon fiber Substances 0.000 claims abstract description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 11
- 239000010410 layer Substances 0.000 claims description 209
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 229910052799 carbon Inorganic materials 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 17
- 239000002356 single layer Substances 0.000 claims description 9
- 230000002708 enhancing effect Effects 0.000 claims description 5
- 229910021389 graphene Inorganic materials 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 239000000805 composite resin Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000032683 aging Effects 0.000 description 3
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- 230000001052 transient effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
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- 239000012779 reinforcing material Substances 0.000 description 2
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The present invention provides a kind of vibrating diaphragms, it includes vibration section and top dome, the top dome include middle layer and respectively paste be fixed on the middle layer opposite sides first base material layer and the second substrate layer, the middle layer is the enhancement layer with preset shape, the first base material layer and second substrate layer are carbon fiber enhancement resin base composite material layer, the enhancement layer includes the first surface and second surface being oppositely arranged, the first base material layer is attached at the first surface, second substrate layer is attached at the second surface, at least one of the first surface and the second surface have rough texture structure.Invention also provides a kind of microphone devices comprising the vibrating diaphragm.Compared with the relevant technologies, the manufacturing process of vibrating diaphragm of the invention is simple and has the characteristic of high ratio modulus, high specific strength and low-density, and the high sensitivity and high-frequency acoustic performance of microphone device of the invention are good.
Description
[technical field]
The present invention relates to electroacoustic conversion art more particularly to a kind of vibrating diaphragms and acoustical generator for applying to portable electronic product
Part.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just
It is the music function of high-quality, therefore, the microphone device for playing sound is widely applied Intelligent mobile equipment till now
Among.
The microphone device of the relevant technologies includes frame and vibrational system, and the vibrational system includes vibrating diaphragm and the driving vibration
The voice coil of film vibration, the vibrating diaphragm include that vibration section and the ring portion extended by the periphery bending of the vibration section and lid are set admittedly
Due to the top dome of the vibration section, the top dome include it is successively folded set fixed first layer, the second layer and third layer, described first
Layer and the third layer are made of metal, and the second layer is made of foam.
However, the top dome of vibrating diaphragm described in the relevant technologies is the composite material that metal, foam and metal are constituted, the ball
Top thickness degree is big and mechanical property is poor, has centainly with the requirement of light weight greatly with the rigidity of the top dome ideally required
Gap, to prevent the high-frequency acoustic performance of the microphone device from reaching ideal effect.
Therefore, it is really necessary to provide a kind of new microphone device solution above-mentioned technical problem.
[summary of the invention]
The purpose of the present invention is overcoming above-mentioned technical problem, a kind of high ratio modulus, high specific strength and low-density are provided
Vibrating diaphragm and high sensitivity and the good microphone device of high-frequency acoustic performance.
To achieve the goals above, the present invention provides a kind of vibrating diaphragm comprising vibration section and is sticked and is fixed on the vibration
The top dome in portion, the top dome include middle layer and respectively paste be fixed on the middle layer opposite sides first base material layer and
Second substrate layer, the middle layer are the enhancement layer with preset shape, and the first base material layer and second substrate layer are equal
For carbon fiber enhancement resin base composite material layer, the enhancement layer includes the first surface and second surface being oppositely arranged, described
First base material layer is attached at the first surface, and second substrate layer is attached at the second surface, the first surface with
At least one of described second surface has rough texture structure.More preferably, the texture structure includes described in
First surface is recessed the first groove to be formed towards the second surface, and first groove is connected to opposite the two of the middle layer
End, first groove are connected to the opposite end of the middle layer, and the cross section of first groove radially is arc-shaped, trapezoidal
Or V-arrangement.
More preferably, the texture structure further includes that be formed second that be recessed from the second surface towards the first surface is recessed
Slot, second groove are connected to the opposite end of the middle layer, and second groove is connected to the opposite end of the middle layer,
The cross section of second groove radially is arc-shaped, trapezoidal or V-arrangement.
More preferably, the middle layer is carbon fiber-reinforced resin composite materials layer or graphene layer or metal material layer.
More preferably, the carbon-fiber-reinforcomposite composite material layer is by the unidirectionally extended formation of carbon fiber bundle；Alternatively, the carbon fiber
Enhance composite layer as any one in carbon fiber braiding enhancing composite layer and carbon fiber felt enhancing composite layer.
More preferably, the middle layer is generally corrugated, the extending direction of the carbon fiber bundle it is vertical with ripple direction or
In parallel.
More preferably, the structure that the carbon fibre composite is one layer or more.
More preferably, the middle layer passes through adhesive or resin with the first base material layer and second substrate layer respectively
Cured mode pastes fixation.
More preferably, the middle layer with a thickness of 40 μm to 160 μm.
More preferably, the first base material layer and/or second substrate layer are that unidirectionally extended carbon fiber prepreg is arranged in the same direction
The single layer structure that cloth is solidified to form.
More preferably, the middle layer is generally corrugated, the carbon fiber of the first base material layer and second substrate layer
Beam extending direction and the ripple extending direction of the middle layer are in 90 °.
More preferably, the first base material layer and/or second substrate layer include at least one layer of carbon being stacked
Scrim cloth
Each layer of the carbon fibre cloth layer is the single layer structure formed of being arranged by unidirectionally extended carbon fiber bundle, adjacent
Two layer by layer the carbon fiber bundle of the carbon fibre cloth layer extending direction angle be in 0 °.
The present invention goes back while providing a kind of microphone device comprising the vibrating diaphragm as described in above-mentioned any one.
Compared with prior art, vibrating diaphragm of the invention includes the top dome, the top dome as successively paste it is fixed described in
First base material layer, the middle layer and second substrate layer are constituted, and wherein the middle layer is the increasing with preset shape
Strong layer, the first base material layer and second substrate layer are carbon fiber enhancement resin base composite material layer, by described first
Substrate layer is attached at the first surface of the enhancement layer, and second substrate layer is attached at described in the enhancement layer
Second surface, and at least one of the first surface and the second surface have rough texture structure.It should
Structure makes characteristic of the top dome with high ratio modulus, high specific strength and low-density.The present invention goes back while providing a kind of acoustical generator
Part, the microphone device include the vibrating diaphragm.The top dome low-density, i.e. light weight make the sensitivity for improving the vibrating diaphragm,
Improve the transient response of the microphone device；The high ratio modulus and high specific strength of the top dome, i.e., the high ratio of the described top dome are strong
Degree and specific stiffness, improve the high frequency performance and wet-hot aging performance of the microphone device；The composite thickness of the top dome is smaller,
To make the inner space of the microphone device is opposite to become larger, so that the design space of the microphone device be made to become larger.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the planar structure schematic diagram of vibrating diaphragm of the present invention；
Fig. 2 is the partial enlargement diagram of part shown in B in this Fig. 1；
Fig. 3 is the planar structure schematic diagram of the top dome of vibrating diaphragm of the present invention；
Fig. 4 is the structural schematic diagram of the middle layer in vibrating diaphragm embodiment of the present invention；
Fig. 5 is the planar structure schematic diagram of the first base material layer in vibrating diaphragm embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the top dome of another embodiment of vibrating diaphragm of the present invention；
Fig. 7 is the schematic perspective view of microphone device of the present invention.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of vibrating diaphragm 100 and a kind of microphone device 200.The microphone device 200 includes the vibrating diaphragm
100。
Vibrating diaphragm 100 of the present invention includes vibration section 1, is bent and prolonged by the periphery of the vibration section 11 referring to FIG. 1-2,
It the ring portion 2 stretched, the fixed part 3 extended from the ring portion 2 to 10 direction of frame and is sticked and is fixed on the vibration
The top dome 4 in portion 1.The top dome 4 is used to reinforce the rigidity of the vibration of vibrating diaphragm 100, and the rigid top dome 4 can weaken the sounding
Device 200 improves the high frequency audio of the microphone device 200 in the diaphagras in high frequency stage.
Please refer to Fig. 3-4, specifically, the top dome 4 is pasted including middle layer 41 and respectively is fixed on the centre
The first base material layer 42 and the second substrate layer 43 of the opposite sides of layer 41.
The middle layer 41 can not only play the role of fixed first base material layer 101 and the second substrate layer 103.In described
Interbed 41 is the enhancement layer with preset shape.The enhancement layer includes the first surface 411 and second surface 412 being oppositely arranged,
The first base material layer 42 is attached at the first surface 411, and second substrate layer 43 is attached at the second surface 412,
At least one of the first surface 411 and the second surface 412 have rough texture structure.
The texture structure includes the first groove formed from the first surface 411 towards the second surface 412 recess
413, first groove 413 is connected to the opposite end of the middle layer 41, and first groove 413 is connected to the middle layer 41
Opposite end, the cross section of first groove 413 radially is arc-shaped, trapezoidal or V-arrangement.
Certainly, the texture structure further includes the formed from the second surface towards 412 first surfaces 411 recess
Two grooves 414, second groove 414 are connected to the opposite end of the middle layer 41, and second groove 414 is connected in described
The opposite end of interbed 41, the cross section of second groove 414 radially is arc-shaped, trapezoidal or V-arrangement.
The middle layer 41 is carbon fiber-reinforced resin composite materials layer or graphene layer or metal material layer.And wherein,
The carbon-fiber-reinforcomposite composite material layer is by the unidirectionally extended formation of carbon fiber bundle.It is without being limited thereto, the carbon fiber reinforced plastic
The bed of material can also be any one in carbon fiber braiding enhancing composite layer and carbon fiber felt enhancing composite layer.At this
In embodiment, the middle layer is generally corrugated, and the carbon fiber bundle extending direction and ripple direction are perpendicular or parallel.Institute
Stating carbon fibre composite is one layer of structure.Certainly, the carbon fibre composite may be multilayered structure, i.e., the described carbon fiber
Tie up the structure that composite material is one layer or more.The structure of either one layer or multilayer, the middle layer 41 with a thickness of 40 μm
To 160 μm.So the light weight density of the middle layer 41 is small and at low cost, the whole vibration of the vibrating diaphragm 100 can be improved
Performance mitigates the quality of the top dome 4 and reduces cost.
In the present embodiment, the middle layer 41 is logical with the first base material layer 42 and second substrate layer 43 respectively
The mode for crossing adhesive or resin solidification pastes fixation, i.e., the described middle layer 41 and the first base material layer 42 and second base
By one glue-line of setting between material layer 43, it is adhesively fixed by bonding agent, the first base material layer 42 and institute can also be passed through
The resin stated in the second substrate layer 43 directly solidifies bonding.Certainly, without being limited thereto, it can also be carried out by other bonding methods
Fixation is ok.
The vibration section 1 is fixed in the stickup of first base material layer 42, i.e., the vibration section is fixed in the described stickup of top dome 4
1.The first base material layer 42 and second substrate layer 43 are carbon fiber enhancement resin base composite material layer.The carbon fiber increases
The specific strength and specific modulus of strong polymer matrix composites are high, and the first base material layer 42 and second substrate layer 43 are all made of this
Material can guarantee the top dome 4 transverse strength with higher, and improve while effectively mitigating 4 mass of top dome
The range of the sensitivity of the microphone device 200 and the high-frequency vibration for widening it significantly improves the spirit of the microphone device 200
Sensitivity, heat resistance, high frequency characteristics and reliability.
In the present embodiment, the first base material layer 42 is identical with the thickness of second substrate layer 43.Described first
The thickness of substrate layer 42 and second substrate layer 43 is 10 μm to 120 μm.
Referring to Fig. 5, the unidirectionally extended carbon fiber prepreg of the first base material layer 42 arranges be solidified to form in the same direction
Single layer structure.Second substrate layer 43 uses identical structure with the first base material layer 42.Specifically, the first base material
Layer 42 and/or second substrate layer 43 are that carbon fiber bundle intersects the carbon fibre cloth layer being knitted to form, the carbon cloth
Layer is that single layer or two layers and the above carbon fiber woven cloth prepreg hot-press solidifying are formed and be made, and the carbon fiber woven cloth is flat
Line woven cloth or twill weave cloth or satin weave cloth.The first base material layer 42 and/or second substrate layer 43 include one
The layer carbon fibre cloth layer.Certainly, without being limited thereto, the first base material layer 42 and/or second substrate layer 43 include at least
Two-layer laminate setting the carbon fibre cloth layer, that is, the carbon fibre cloth layer each layer by unidirectionally extended carbon fiber
Beam is arranged the single layer structure to be formed, and the extending direction of the carbon fiber bundle of the adjacent two layers of the carbon fibre cloth layer is parallel to each other.
Two kinds of embodiments presented below are illustrated the roof structure of vibrating diaphragm of the present invention:
Embodiment one, the middle layer 41 it is generally corrugated.The middle layer 41 is that carbon fiber-reinforced resin is compound
Any one in material layer, graphene layer and metal material layer.The first base material layer (not shown) and second substrate
The carbon fiber bundle extending direction of layer (not shown) and the ripple extending direction of the middle layer 41 are in 90 °.Here ripple extends
Direction refers to the abducent direction of ripple in the texture structure of the middle layer 41.
Embodiment two, referring to Fig. 6, the middle layer 641 be trapezium structure reinforcing material；The reinforcing material is carbon fiber
Tie up any one of reinforced resin composite material, graphene and metal material.The first base material layer 642 and second substrate
Each layer of the carbon fibre cloth layer of layer 643 is the single layer structure formed of being arranged by unidirectionally extended carbon fiber bundle, every layer
The extending direction angle of the carbon fiber bundle of the carbon fibre cloth layer is in 0 °；Wherein the first base material layer 642 and second base
Material layer 643 is the composite construction that either at least two layers carbon cloth layer stackup of single layer structure is formed.The middle layer 641
Trapezoidal faces and the direction of the first base material layer 642 and the fibre bundle in second substrate layer 643 be in 90 °.
Referring to Fig. 7, the present invention also provides a kind of microphone devices 200 of the application vibrating diaphragm 100.Specifically, the hair
Acoustic device 200 includes frame 10 and the vibrating diaphragm 100.The vibrating diaphragm 100 is fixed on the frame 10.The vibrating diaphragm 100 wraps
Include vibration section 1, the ring portion 2 extended from the bending of the periphery of the vibration section 11, from the ring portion 2 to 10 direction of frame
It the fixed part 3 of extension and is sticked and is fixed on the top dome 4 of the vibration section 1.4 low-density of the top dome of the vibrating diaphragm 100, i.e.,
Light weight makes the sensitivity for improving the vibrating diaphragm 100, improves the transient response of the microphone device 200；The vibrating diaphragm
The high ratio modulus and high specific strength of 100 top dome 4, i.e., the high specific strength of the top dome 4 of the described vibrating diaphragm 100 and ratio are rigid
Degree, improves the high frequency performance and wet-hot aging performance of the microphone device 200；The composite construction of the top dome 4 of the vibrating diaphragm 100
Thickness is smaller, to make the inner space of the microphone device 200 is opposite to become larger, to make the design of the microphone device 200
Space becomes larger.
Compared with prior art, vibrating diaphragm of the invention includes the top dome, the top dome as successively paste it is fixed described in
First base material layer, the middle layer and second substrate layer are constituted, and wherein the middle layer is the increasing with preset shape
Strong layer, the first base material layer and second substrate layer are carbon fiber enhancement resin base composite material layer, by described first
Substrate layer is attached at the first surface of the enhancement layer, and second substrate layer is attached at described in the enhancement layer
Second surface, and at least one of the first surface and the second surface have rough texture structure.It should
Structure makes characteristic of the top dome with high ratio modulus, high specific strength and low-density, while more labor Nian Jie with vibration section.The present invention
A kind of microphone device also is provided simultaneously, the microphone device includes the vibrating diaphragm.The top dome low-density, i.e. light weight, make to mention
The high sensitivity of the vibrating diaphragm, improves the transient response of the microphone device；The high ratio modulus and Gao Bi of the top dome are strong
Degree, i.e., the described top dome high specific strength and specific stiffness improve the high frequency performance and wet-hot aging performance of the microphone device；The ball
The composite thickness on top is smaller, to make the inner space of the microphone device is opposite to become larger, to make the microphone device
Design space become larger.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (13)
1. a kind of vibrating diaphragm comprising vibration section and be sticked and be fixed on the top dome of the vibration section, which is characterized in that the top dome packet
It includes middle layer and pastes the first base material layer and the second substrate layer for being fixed on the opposite sides of the middle layer, the centre respectively
Layer is the enhancement layer with preset shape, and the first base material layer and second substrate layer are that carbon fiber enhancement resin base is multiple
Condensation material layer, the enhancement layer include the first surface and second surface being oppositely arranged, and the first base material layer is attached at described
First surface, second substrate layer are attached at the second surface, in the first surface and the second surface at least
One has rough texture structure.
2. vibrating diaphragm according to claim 1, which is characterized in that the texture structure includes from the first surface towards described
Second surface is recessed the first groove to be formed, and first groove is connected to the opposite end of the middle layer, first groove
It is connected to the opposite end of the middle layer, the cross section of first groove radially is arc-shaped, trapezoidal or V-arrangement.
3. vibrating diaphragm according to claim 1 or 2, which is characterized in that the texture structure further includes from the second surface
Be recessed the second groove to be formed towards the first surface, and second groove is connected to the opposite end of the middle layer, and described
Two grooves are connected to the opposite end of the middle layer, and the cross section of second groove radially is arc-shaped, trapezoidal or V-arrangement.
4. vibrating diaphragm according to claim 3, which is characterized in that the middle layer is carbon fiber-reinforced resin composite materials layer
Or graphene layer or metal material layer.
5. vibrating diaphragm according to claim 4, which is characterized in that the carbon-fiber-reinforcomposite composite material layer is by carbon fiber bundle list
To extending to form；Alternatively, the carbon-fiber-reinforcomposite composite material layer is carbon fiber braiding enhancing composite layer and carbon fiber felt
Enhance any one in composite layer.
6. vibrating diaphragm according to claim 5, which is characterized in that the middle layer is generally corrugated, the carbon fiber bundle
Extending direction and ripple direction it is perpendicular or parallel.
7. vibrating diaphragm according to claim 4, which is characterized in that the structure that the carbon fibre composite is one layer or more.
8. vibrating diaphragm according to claim 1, which is characterized in that the middle layer respectively with the first base material layer and described
Second substrate layer pastes fixation by way of adhesive or resin solidification.
9. vibrating diaphragm according to claim 1, which is characterized in that the middle layer with a thickness of 40 μm to 160 μm.
10. vibrating diaphragm according to claim 1, which is characterized in that the first base material layer and/or second substrate layer are
Unidirectionally extended carbon fiber prepreg is arranged the single layer structure being solidified to form in the same direction.
11. vibrating diaphragm according to claim 10, which is characterized in that the middle layer is generally corrugated, first base
The carbon fiber bundle extending direction of material layer and second substrate layer and the ripple extending direction of the middle layer are in 90 °.
12. vibrating diaphragm according to claim 1, which is characterized in that the first base material layer and/or the second substrate layer packet
At least one layer of carbon fibre cloth layer being stacked is included, each layer of the carbon fibre cloth layer is by unidirectionally extended carbon fiber
Dimension beam is arranged the single layer structure to be formed, and the extending direction angle of the carbon fiber bundle of the adjacent two layers layer carbon fibre cloth layer is in 0 °.
13. a kind of microphone device, which is characterized in that the microphone device includes the vibration as described in claim 1 to 12 any one
Film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643039.XA CN109819379A (en) | 2018-12-29 | 2018-12-29 | Vibrating diaphragm and microphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811643039.XA CN109819379A (en) | 2018-12-29 | 2018-12-29 | Vibrating diaphragm and microphone device |
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| Publication Number | Publication Date |
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| CN109819379A true CN109819379A (en) | 2019-05-28 |
Family
ID=66603048
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811643039.XA Pending CN109819379A (en) | 2018-12-29 | 2018-12-29 | Vibrating diaphragm and microphone device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000870A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
| US20230164490A1 (en) * | 2020-06-30 | 2023-05-25 | Goertek Inc. | Diaphragm and sound generating device using the diaphragm |
| WO2024001246A1 (en) * | 2022-06-30 | 2024-01-04 | 歌尔股份有限公司 | Dome and diaphragm assembly for sound-producing apparatus, sound-producing apparatus, and electronic device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3118979A (en) * | 1961-08-07 | 1964-01-21 | Bell Telephone Labor Inc | Electrostatic transducer |
| US4100992A (en) * | 1974-08-12 | 1978-07-18 | Weber Louis Rehde | Loudspeaker |
| JPS5616395A (en) * | 1979-07-19 | 1981-02-17 | Pioneer Electronic Corp | Speaker diaphragm |
| JPS59298A (en) * | 1982-06-25 | 1984-01-05 | Matsushita Electric Ind Co Ltd | Manufacturing method of speaker diaphragm |
| CN105611470A (en) * | 2016-02-25 | 2016-05-25 | 歌尔声学股份有限公司 | Vibrating plate and micro sounder provided with vibrating plate |
| CN107257534A (en) * | 2017-04-13 | 2017-10-17 | 瑞声科技(新加坡)有限公司 | Carbon fiber top dome and its manufacture method |
| CN206775725U (en) * | 2017-04-12 | 2017-12-19 | 瑞声科技（南京）有限公司 | The electro-acoustic element of vibrating diaphragm and the application vibrating diaphragm |
| CN108055621A (en) * | 2017-11-29 | 2018-05-18 | 瑞声科技(新加坡)有限公司 | Top dome |
| CN108449696A (en) * | 2018-02-11 | 2018-08-24 | 瑞声科技(新加坡)有限公司 | Carbon fiber top dome and its manufacturing method |
| CN208190907U (en) * | 2018-02-11 | 2018-12-04 | 瑞声科技(新加坡)有限公司 | Carbon fiber top dome and loudspeaker |
-
2018
- 2018-12-29 CN CN201811643039.XA patent/CN109819379A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3118979A (en) * | 1961-08-07 | 1964-01-21 | Bell Telephone Labor Inc | Electrostatic transducer |
| US4100992A (en) * | 1974-08-12 | 1978-07-18 | Weber Louis Rehde | Loudspeaker |
| JPS5616395A (en) * | 1979-07-19 | 1981-02-17 | Pioneer Electronic Corp | Speaker diaphragm |
| JPS59298A (en) * | 1982-06-25 | 1984-01-05 | Matsushita Electric Ind Co Ltd | Manufacturing method of speaker diaphragm |
| CN105611470A (en) * | 2016-02-25 | 2016-05-25 | 歌尔声学股份有限公司 | Vibrating plate and micro sounder provided with vibrating plate |
| CN206775725U (en) * | 2017-04-12 | 2017-12-19 | 瑞声科技（南京）有限公司 | The electro-acoustic element of vibrating diaphragm and the application vibrating diaphragm |
| CN107257534A (en) * | 2017-04-13 | 2017-10-17 | 瑞声科技(新加坡)有限公司 | Carbon fiber top dome and its manufacture method |
| CN108055621A (en) * | 2017-11-29 | 2018-05-18 | 瑞声科技(新加坡)有限公司 | Top dome |
| CN108449696A (en) * | 2018-02-11 | 2018-08-24 | 瑞声科技(新加坡)有限公司 | Carbon fiber top dome and its manufacturing method |
| CN208190907U (en) * | 2018-02-11 | 2018-12-04 | 瑞声科技(新加坡)有限公司 | Carbon fiber top dome and loudspeaker |
Non-Patent Citations (1)
| Title |
|---|
| 贾秀花: "《世界100项现代科技》", 31 May 2012 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000870A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound-producing device |
| US20230164490A1 (en) * | 2020-06-30 | 2023-05-25 | Goertek Inc. | Diaphragm and sound generating device using the diaphragm |
| WO2024001246A1 (en) * | 2022-06-30 | 2024-01-04 | 歌尔股份有限公司 | Dome and diaphragm assembly for sound-producing apparatus, sound-producing apparatus, and electronic device |
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Application publication date: 20190528 |
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