CN107187119A - A kind of waterproof sound passing membrane and mobile phone - Google Patents
A kind of waterproof sound passing membrane and mobile phone Download PDFInfo
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- CN107187119A CN107187119A CN201710475659.6A CN201710475659A CN107187119A CN 107187119 A CN107187119 A CN 107187119A CN 201710475659 A CN201710475659 A CN 201710475659A CN 107187119 A CN107187119 A CN 107187119A
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- layer
- passing membrane
- sound passing
- waterproof sound
- waterproof
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- 239000012528 membrane Substances 0.000 title claims abstract description 82
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 239000004033 plastic Substances 0.000 claims description 15
- 229920003023 plastic Polymers 0.000 claims description 15
- 230000003139 buffering effect Effects 0.000 claims description 8
- 239000004677 Nylon Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- 238000005476 soldering Methods 0.000 claims description 4
- 210000004243 sweat Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
Landscapes
- Telephone Set Structure (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses a kind of waterproof sound passing membrane and mobile phone, waterproof sound passing membrane includes substrate layer, cushion and entrant sound film layer；Sound passing membrane is laminated the reverse side for overlaying on substrate layer；Cushion includes being provided with the apopore for being provided with and turning on inlet opening on inlet opening, the second layer on first layer and the second layer being connected with first layer, first layer, and the axial line distance for seeing apopore and inlet opening along the direction that current enter is more than or equal to its radius sum；The second layer is covered in the front of substrate layer.Due to seeing that the axial line distance of apopore and inlet opening is more than or equal to its radius sum along the direction that current enter, therefore, after current are entered from inlet opening, by inlet opening and the passage of apopore, come out again from apopore, without directly being come out from apopore, therefore, the waterproof sound passing membrane that the present invention is provided has certain cushioning effect to hydraulic pressure.In addition, waterproof sound passing membrane also includes entrant sound film layer, the sound translative performance of waterproof sound passing membrane is improved.
Description
Technical field
The present invention relates to filtering technical field of membrane, more particularly to a kind of waterproof sound passing membrane and mobile phone.
Background technology
Nowadays the electronic equipment such as mobile phone, notebook computer, intercom, bluetooth earphone, outdoor monitoring device is increasingly popularized, and is
Reduce aquatic sports, the damage that outdoor environment and daily life are caused with water to electronic equipment, generally in electronic equipment
Loudspeaker, microphone or headphone assembling waterproof sound passing membrane.
It is in the market ePTFE or PU in the main material of waterproof sound passing membrane of sale, general waterproof sound passing membrane can
IPX7 classification of waterproof requirement is met, but IPX5 or IPX6 classification of waterproof requirements can not be met.Because being IPX5 or IPX6 to survey
During examination, water is directly flushed on waterproof sound passing membrane, and film will be layered or water can enter cavity through film and cause test crash.
China Patent Publication No. CN201080002329.1, publication date on July 13rd, 2011, a kind of entitled waterproof
Sound passing membrane, discloses waterproof sound passing membrane comprising PTFE perforated membranes, by the first porous layer and based on being worked between PTFE matrix
Adhesion and the lamination of described first layer porous layer and the second integrated porous layer, i.e., from progress in film performance in itself
Improve.Lifted although its weak point is the waterproof sound passing membrane of this double-decker in water proofing property, sound translative performance
Can be by some effects.
Therefore, the classification of waterproof of waterproof sound passing membrane how can be caused to reach IPX5, IPX6, IPX7 classification of waterproof, and energy
The influence reduced to sound translative performance is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
First purpose of the present invention is to provide a kind of waterproof sound passing membrane, and the classification of waterproof of waterproof sound passing membrane can be caused to reach
To IPX5, IPX6, IPX7 classification of waterproof, and the influence to sound translative performance can be reduced.
Second object of the present invention is to provide a kind of mobile phone.
In order to realize above-mentioned first purpose, the invention provides following scheme：
A kind of waterproof sound passing membrane, including substrate layer, cushion and entrant sound film layer；
The sound passing membrane lamination overlays on the reverse side of the substrate layer；
The cushion includes being provided with into water on first layer and the second layer being connected with the first layer, the first layer
The apopore turned on the inlet opening is provided with hole, the second layer；
The direction entered along current, the distance of the axial line of the axial line of the apopore and the inlet opening be more than or
Equal to its radius sum；
The second layer is covered in the front of the substrate layer.
Preferably, in above-mentioned waterproof sound passing membrane, the first level is multiple to being provided with that face of the second layer
It is raised.
Preferably, in above-mentioned waterproof sound passing membrane, the outward flange of the outward flange of the first layer and the second layer passes through
Sweat soldering is sealed.
Preferably, in above-mentioned waterproof sound passing membrane, the substrate layer is two-sided gum layer.
Preferably, in above-mentioned waterproof sound passing membrane, the cushion is buffering plastic layer.
Preferably, in above-mentioned waterproof sound passing membrane, the buffering plastic layer is the one of PET, PC, Nylon, PBT, PP, PE
The plastic layer of kind or a variety of plastics.
Preferably, in above-mentioned waterproof sound passing membrane, the substrate layer for PET, PC, Nylon, PBT, PP, PE one kind or
A variety of substrate layers.
Preferably, in above-mentioned waterproof sound passing membrane, the entrant sound film layer is ePTFE or PU entrant sound film layer.
Preferably, in above-mentioned waterproof sound passing membrane, the entrant sound film layer can 0.5 square centimeter of effective area condition
Under, it is less than 3dB for frequency 500-5000Hz sound attenuating, and the entrant sound film layer can be 0.7 square li in effective area
Under conditions of rice, it is less than 5dB for frequency 500-5000Hz sound attenuating.
It can be seen from above-mentioned technical scheme that, the waterproof sound passing membrane that provides of the present invention, current are from the inlet opening of cushion
Into being come out from the apopore of cushion, due to seeing the axial line distance of apopore and inlet opening along the direction that current enter
More than or equal to its radius sum, therefore, after current are entered from inlet opening, by inlet opening and the passage of apopore, then from going out
Water hole comes out, without directly being come out from apopore, therefore, and the waterproof sound passing membrane that the present invention is provided has certain buffering to hydraulic pressure
Effect.In addition, the waterproof sound passing membrane that the present invention is provided also includes entrant sound film layer, the sound translative performance of waterproof sound passing membrane is improved.
In summary, the waterproof sound passing membrane that provides of the present invention, can cause waterproof sound passing membrane classification of waterproof reach IPX5,
IPX6, IPX7 classification of waterproof, and the influence to sound translative performance can be reduced.
In order to realize above-mentioned second purpose, the invention provides following scheme：
The opening of loudspeaker, the water-proof sound-transmitting as described in above-mentioned any one are provided with a kind of mobile phone, the housing of the mobile phone
Film is connected with the housing, and internal diameter of the external diameter more than the opening of the waterproof sound passing membrane.
It can be seen from above-mentioned technical scheme that, the mobile phone that the present invention is provided, due to posting waterproof in its loudspeaker opening
Sound passing membrane, and internal diameter of the external diameter more than opening of waterproof sound passing membrane, therefore, waterproof sound passing membrane can prevent water or dust from invading
The inside of housing, so as to protect loudspeaker.
In IPX5, water is directly flushed on buffer film when IPX6 is tested, without being directly flushed to entrant sound film layer.Therefore,
Requirement reduction of the waterproof sound passing membrane to pressure-bearing, and then the good sound passing membrane of sound translative performance can be selected.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The structural representation for the waterproof sound passing membrane that Fig. 1 provides for the present invention；
The structural representation for the cushion that Fig. 2 provides for the present invention；
The structural representation for the second layer that Fig. 3 provides for the present invention；
The structural representation for the first layer that Fig. 4 provides for the present invention；
The structural representation for the mobile phone that Fig. 5 provides for the present invention；
The cross section structure diagram for the mobile phone that Fig. 6 provides for the present invention.
Wherein, in Fig. 1-6：
It is substrate layer 1, cushion 2, entrant sound film layer 3, first layer 201, the second layer 202, inlet opening 203, apopore 204, convex
Play 4, handset shell 5, opening 6.
Embodiment
In order that those skilled in the art is better understood from technical scheme, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
Explanation of nouns：
IPX5：Refer to be rinsed to waterproof sound passing membrane without any injury with water.
IPX6：Available for the environment in cabin.
IPX7：Can be in resistance to immersion in the short time.
Embodiment one
Fig. 1-4 are referred to, the invention discloses a kind of waterproof sound passing membrane, including substrate layer 1, cushion 2 and entrant sound film layer
3.Wherein, cushion 2 can buffer the impact of current, and entrant sound film layer 3 can improve sound translative performance.
Cushion 2 is covered in the front of substrate layer 1, and entrant sound film layer 3 covers the reverse side in substrate layer 1.Here, substrate layer
1 front refers to that face towards current inflow direction, and the reverse side of substrate layer 1 refers to away from that face of current inflow direction.
2 points of cushion is two layers, respectively first layer 201 and the second layer 202, and the in particular second layer 202 is covered in base
The front of material layer 1.Inlet opening 203 is provided with first layer 201, for the intensity that dispersing water flow impacts, the number of inlet opening 203 is
It is multiple.The apopore 204 turned on inlet opening 203 is provided with the second layer 202, the number of apopore 204 is also to be multiple.
Seen along the direction that current enter, the axial line of apopore 204 and the distance between the axial line of inlet opening 203 are big
In or equal to apopore 204 and inlet opening 203 radius sum, i.e., the side that apopore 204 and inlet opening 203 enter along current
To seeing that its place not overlapped reduces current and directly entered from inlet opening 203, the hydraulic pressure brought is come out from apopore 204
Impact.
The waterproof sound passing membrane that the present invention is provided, current enter from the inlet opening 203 of cushion 2, from the apopore of cushion 2
204 come out, due to seeing that apopore 204 and the axial line distance of inlet opening 203 are more than or equal to it along the direction that current enter
Radius sum, therefore, after current are entered from inlet opening 203, by inlet opening 203 and the passage of apopore 204, then from apopore
204 come out, without directly being come out from apopore 204, therefore, and the waterproof sound passing membrane that the present invention is provided has certain delay to hydraulic pressure
Punching is acted on.In addition, the waterproof sound passing membrane that the present invention is provided also includes entrant sound film layer 3, the sound translative performance of waterproof sound passing membrane is improved.
To sum up, the waterproof sound passing membrane that provides of the present invention, can cause waterproof sound passing membrane classification of waterproof reach IPX5,
IPX6, IPX7 classification of waterproof, and the influence to sound translative performance can be reduced.
Embodiment two
In the present invention provides another embodiment, the water-proof sound-transmitting in waterproof sound passing membrane and embodiment one in the present embodiment
The structure of film is similar, and something in common is just repeated no more, difference is only introduced.
The present embodiment is specifically disclosed in waterproof sound passing membrane, and first layer 201 is more towards being provided with that face of the second layer 202
Individual raised 4, projection 4 can make to form certain gap between first layer 201 and the second layer 202, further buffer hydraulic pressure.Also may be used
With in the second layer 202 towards setting multiple raised 4 on that face of first layer 201.
Further, sweat soldering is passed through the invention discloses the outward flange of the outward flange of first layer 201 and the second layer 202
Sealing.The connection fastness of sweat soldering is strong, can increase the connection fixing of first layer 201 and the second layer 202.
It is the two-sided back of the body the invention discloses substrate layer 1 for the ease of covering cushion 2 and entrant sound film layer 3 on substrate layer 1
Glue-line, the connection of cushion 2 and sound transparent layer is realized by two-sided gum.
It is buffering plastic layer the invention also discloses cushion 2, plastics are common, and cheaply, it is therefore preferable that cushion 2 is
Plastic layer is buffered, it is necessary to which explanation, cushion 2 disclosed by the invention is not limited only to disclosed plastic layer, other have slow
The cushion 2 that the padded coaming of punching effect is made belongs to the scope of protection of the invention.
Further, the invention particularly discloses buffering plastic layer for PET, PC, Nylon, PBT, PP, PE one kind or
The plastic layer that a variety of plastics are constituted.The substrate layers that substrate layer 1 is constituted for PET, PC, Nylon, PBT, PP, PE one or more.
Entrant sound film layer 3 is the entrant sound film layer that ePTFE or PU is constituted.
The invention also discloses in waterproof sound passing membrane, sound passing membrane can be right under conditions of 0.5 square centimeter of effective area
In frequency 500-5000Hz sound attenuating be less than 3dB, and sound passing membrane can under conditions of 0.7 square centimeter of effective area,
It is less than 5dB for frequency 500-5000Hz sound attenuating.
Waterproof sound passing membrane disclosed by the invention, current are flowed on cushion 2, are entered from the water inlet of first layer 201, are passed through
The space that first layer 201 and the second layer 202 are constituted, comes out from the delivery port of the second layer 202.Due to first layer 201 towards second
Multiple raised 4 are provided with that face of layer 202, additionally it is possible to the further impact of buffering current.In addition, the invention particularly discloses
The entrant sound film layer can be less than under conditions of 0.5 square centimeter of effective area for frequency 500-5000Hz sound attenuating
3dB, and entrant sound film layer 3 can be under conditions of 0.7 square centimeter of effective area, for frequency 500-5000Hz sound attenuating
Less than 5dB.
Therefore, the waterproof sound passing membrane that the present invention is provided has certain cushioning effect to hydraulic pressure, also improves waterproof sound passing membrane
Sound translative performance.
To sum up, the waterproof sound passing membrane that provides of the present invention, can cause waterproof sound passing membrane classification of waterproof reach IPX5,
IPX6, IPX7 classification of waterproof, and the influence to sound translative performance can be reduced.
Embodiment three
As seen in figs. 5-6, the invention discloses a kind of mobile phone, the opening 6 of loudspeaker is provided with the housing 5 of mobile phone, as above
The waterproof sound passing membrane stated in any one embodiment is connected with housing 5, specifically, and housing 5 and waterproof are connected by two-sided gum
Sound passing membrane, and internal diameter of the external diameter more than opening 6 of waterproof sound passing membrane.
The mobile phone that the present invention is provided, due to posting waterproof sound passing membrane, and the external diameter of waterproof sound passing membrane in its loudspeaker opening 6
More than the internal diameter of opening 6, therefore, waterproof sound passing membrane can prevent water or dust from invading the inside of housing, be amplified so as to protect
Device.
In IPX5, water is directly flushed on buffer film when IPX6 is tested, without being directly flushed to entrant sound film layer 3.Therefore,
Requirement reduction of the waterproof sound passing membrane to pressure-bearing, and then the good sound passing membrane of sound translative performance can be selected.
It should be noted that being not limited only on mobile phone apply waterproof sound passing membrane disclosed by the invention or notes
The electronic equipments such as this computer, intercom, bluetooth earphone, outdoor monitoring device.The explanation that the present embodiment is carried out only by taking mobile phone as an example.
" first ", " second " in the present invention etc. is to be distinguished in description, without others particular meaning.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and inventive features phase
Consistent most wide scope.
Claims (10)
1. a kind of waterproof sound passing membrane, it is characterised in that including substrate layer (1), cushion (2) and entrant sound film layer (3)；
The entrant sound film layer (3) covers the reverse side in the substrate layer (1)；
The cushion (2) includes first layer (201) and the second layer (202) being connected with the first layer (201), described first
The apopore for being provided with and being turned on the inlet opening (203) on inlet opening (203), the second layer (202) is provided with layer (201)
(204)；
The direction entered along current, the axial line of the apopore (204) and the axial line distance of the inlet opening (203) are big
In or equal to its radius sum；
The second layer (202) is covered in the front of the substrate layer (1).
2. waterproof sound passing membrane according to claim 1, it is characterised in that the first layer (201) is towards the second layer
(202) it is provided with that face multiple raised (4).
3. waterproof sound passing membrane according to claim 1, it is characterised in that the outward flange of the first layer (201) and described
The outward flange of the second layer (202) is sealed by sweat soldering.
4. waterproof sound passing membrane according to claim 1, it is characterised in that the substrate layer (1) is two-sided gum layer.
5. waterproof sound passing membrane according to claim 1, it is characterised in that the cushion (2) is buffering plastic layer.
6. waterproof sound passing membrane according to claim 5, it is characterised in that the buffering plastic layer be PET, PC, Nylon,
The plastic layer of PBT, PP, PE one or more plastics.
7. waterproof sound passing membrane according to claim 1, it is characterised in that the substrate layer (1) be PET, PC, Nylon,
PBT, PP, PE one or more substrate layers.
8. the waterproof sound passing membrane according to any one in claim 1-8, it is characterised in that the entrant sound film layer (3) is
EPTFE or PU entrant sound film layer.
9. waterproof sound passing membrane according to claim 1, it is characterised in that the entrant sound film layer (3) can be in effective area
Under conditions of 0.5 square centimeter, it is less than 3dB for frequency 500-5000Hz sound attenuating, and the entrant sound film layer (3) can
Under conditions of 0.7 square centimeter of effective area, it is less than 5dB for frequency 500-5000Hz sound attenuating.
10. the opening (6) of loudspeaker is provided with a kind of mobile phone, the housing (5) of the mobile phone, it is characterised in that such as claim
Waterproof sound passing membrane described in any one is connected with the housing in 1-9, and the external diameter of the waterproof sound passing membrane is more than the opening
(6) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475659.6A CN107187119B (en) | 2017-06-21 | 2017-06-21 | Waterproof sound-transmitting membrane and mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475659.6A CN107187119B (en) | 2017-06-21 | 2017-06-21 | Waterproof sound-transmitting membrane and mobile phone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107187119A true CN107187119A (en) | 2017-09-22 |
| CN107187119B CN107187119B (en) | 2023-05-02 |
Family
ID=59879808
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710475659.6A Active CN107187119B (en) | 2017-06-21 | 2017-06-21 | Waterproof sound-transmitting membrane and mobile phone |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108559418A (en) * | 2018-06-28 | 2018-09-21 | 上海市凌桥环保设备厂有限公司 | A kind of mobile phone breathable waterproof membrane and its preparation process |
| CN109660649A (en) * | 2019-01-17 | 2019-04-19 | 珠海格力电器股份有限公司 | loudspeaker assembly and mobile terminal |
| CN111615023A (en) * | 2020-05-22 | 2020-09-01 | 杭州安普鲁薄膜科技有限公司 | Waterproof sound-transmitting membrane assembly |
| CN112929798A (en) * | 2021-01-29 | 2021-06-08 | 杭州安普鲁薄膜科技有限公司 | Waterproof sound-transmitting membrane assembly and MEMS (micro-electromechanical system) provided with same |
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| CN105706459A (en) * | 2013-11-07 | 2016-06-22 | 日东电工株式会社 | Waterproof sound-transmitting film and electronic apparatus |
| JP2016100813A (en) * | 2014-11-25 | 2016-05-30 | 日東電工株式会社 | Water proof sound passing membrane, water proof sound passing member including the same, electronic apparatus, case for the same, and water proof sound passing structure |
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| CN109660649A (en) * | 2019-01-17 | 2019-04-19 | 珠海格力电器股份有限公司 | loudspeaker assembly and mobile terminal |
| CN111615023A (en) * | 2020-05-22 | 2020-09-01 | 杭州安普鲁薄膜科技有限公司 | Waterproof sound-transmitting membrane assembly |
| CN111615023B (en) * | 2020-05-22 | 2022-08-02 | 杭州安普鲁薄膜科技有限公司 | Waterproof sound-transmitting membrane assembly |
| CN112929798A (en) * | 2021-01-29 | 2021-06-08 | 杭州安普鲁薄膜科技有限公司 | Waterproof sound-transmitting membrane assembly and MEMS (micro-electromechanical system) provided with same |
| CN112929798B (en) * | 2021-01-29 | 2022-11-01 | 杭州安普鲁薄膜科技有限公司 | Waterproof sound-transmitting membrane assembly and MEMS (micro-electromechanical system) with same |
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