TWI481264B - Water-resistant acoustic transmission structure and electroacoustic device therewith - Google Patents
Water-resistant acoustic transmission structure and electroacoustic device therewith Download PDFInfo
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Description
本發明關於一種抗水透音結構及電聲裝置，尤指一種使用多層抗水透音膜之抗水透音結構及具有抗水功能之電聲裝置。The invention relates to a water-resistant and translucent structure and an electroacoustic device, in particular to a water-resistant and translucent structure using a multi-layer water-resistant and translucent membrane and an electroacoustic device having a water-proof function.
聲音的傳遞主要依靠空氣震動，然而防水設計則要求密閉性。某種程度上兩者是相互抵觸的，故在產品出音孔處需要一種設計可以允許空氣自由進出，但卻同時可以檔水分進入。針對不同的抗水等級要求，例如IPX7，目前業界常見的設計有兩種：一是喇叭單體即具抗水功能，另一是使用單層抗水透音膜。一般而言，抗水喇叭尺寸相對比較不齊全且昂貴，對設計與生產而言相當不利。另一方面，於側出音的環境中，即聲音傳遞路徑非直線者，以單一層抗水透音膜達成較高的抗水等級時，此抗水透音膜篩孔面積相對較小，造成抗水透音膜質量較大，時有震動干擾的現象，嚴重影響聲音品質。The transmission of sound mainly depends on air vibration, but the waterproof design requires airtightness. To some extent, the two are in conflict with each other, so a design is needed at the sound hole of the product to allow air to enter and exit freely, but at the same time it can enter moisture. For different water resistance level requirements, such as IPX7, there are two common designs in the industry: one is that the speaker unit has water resistance, and the other is a single layer water-resistant sound-permeable membrane. In general, the size of the water resistant horn is relatively incomplete and expensive, which is quite disadvantageous for design and production. On the other hand, in the environment of the side sound, that is, the sound transmission path is not straight, when the single layer water-resistant sound-permeable membrane achieves a high water resistance level, the water-resistant sound-permeable membrane mesh area is relatively small, The result is that the quality of the water-resistant and translucent membrane is large, and there is vibration interference, which seriously affects the sound quality.
鑑於先前技術中的問題，本發明的目的之一在於提供一種抗水透音結構，利用兩層膜之間存有空隙以提昇抗水能力，並可避免為提昇抗水能力而縮減單一膜層篩孔面積、增加質量，進而對聲音品質造成過度的干擾。In view of the problems in the prior art, one of the objects of the present invention is to provide a water-resistant and translucent structure, which utilizes a gap between two films to improve water resistance, and can avoid reducing a single layer for improving water resistance. Screening area, increasing quality, and thus excessive interference with sound quality.
本發明之抗水透音結構包含一第一抗水透音膜及一第二抗水透音膜。該第二抗水透音膜與該第一抗水透音膜相對設置，以形成一充滿氣體的密封空間於該第一抗水透音膜及該第二抗水透音膜之間，其中聲音可穿透該第一抗水透音膜、該空間及該第二抗水透音膜。藉此，該密封空間的存在使得該第一抗水透音膜及該第二抗水透音膜之抗水能力具有加乘效果，進而提昇該抗水透音結構的抗水等級，而無需縮減單一抗水透音膜的篩孔面積，避免質量過大對聲音品質的影響。The water-resistant and sound-permeable structure of the present invention comprises a first water-resistant sound-permeable membrane and a second water-resistant sound-permeable membrane. The second water-resistant sound-permeable membrane is disposed opposite to the first water-resistant sound-permeable membrane to form a gas-filled sealed space between the first water-resistant sound-permeable membrane and the second water-resistant sound-permeable membrane, wherein The sound can penetrate the first water-resistant sound-permeable membrane, the space, and the second water-resistant sound-permeable membrane. Thereby, the existence of the sealed space makes the water resistance of the first water-resistant and translucent membrane and the second water-resistant and translucent membrane have a multiplying effect, thereby improving the water resistance level of the water-resistant and translucent structure without Reduce the mesh area of a single water-resistant sound-permeable membrane to avoid the impact of excessive quality on sound quality.
本發明之另一目的在於提供一種電聲裝置，具有本發明之抗水透音結構。該電聲裝置包含一聲音通道、一揚聲器及一抗水透音結構。該聲音通道具有一入口及一出口。該揚聲器設置於該入口處，使得該揚聲器發出的聲音能經由該入口進入該聲音通道。該抗水透音結構設置於該出口以密封該出口，該抗水透音結構包含一第一抗水透音膜及一第二抗水透音膜。該第二抗水透音膜與該第一抗水透音膜相對設置，以形成一充滿氣體的密封空間於該第一抗水透音膜及該第二抗水透音膜之間，其中該聲音通道內的聲音可經由該出口，穿透該第一抗水透音膜、該空間及該第二抗水透音膜以傳播出該聲音通道。因此，該電聲裝置可享有該抗水透音結構提昇抗水等級的效果，且可避免因薄膜篩孔面積縮小，造成質量過大而對聲音品質的影響，尤其是當聲音傳遞路徑非直線時，例如該入口及該出口方向垂直，本發明之抗水透音膜的震動對聲音品質的影響可有效 抑制。Another object of the present invention is to provide an electroacoustic device having the water-resistant and sound-permeable structure of the present invention. The electroacoustic device comprises a sound channel, a speaker and a water-resistant and sound-permeable structure. The sound channel has an inlet and an outlet. The speaker is disposed at the entrance such that sound emitted by the speaker can enter the sound channel via the inlet. The water-resistant and sound-permeable structure is disposed at the outlet to seal the outlet, and the water-resistant and sound-permeable structure comprises a first water-resistant sound-permeable membrane and a second water-resistant sound-permeable membrane. The second water-resistant sound-permeable membrane is disposed opposite to the first water-resistant sound-permeable membrane to form a gas-filled sealed space between the first water-resistant sound-permeable membrane and the second water-resistant sound-permeable membrane, wherein The sound in the sound channel can penetrate the first water-resistant sound-permeable membrane, the space, and the second water-resistant sound-permeable membrane through the outlet to propagate the sound passage. Therefore, the electroacoustic device can enjoy the effect of improving the water resistance level of the water-resistant and translucent structure, and can avoid the influence of excessive quality of the film mesh area on the sound quality, especially when the sound transmission path is non-linear. For example, the inlet and the outlet direction are perpendicular, and the vibration of the water-resistant and translucent membrane of the present invention has an effect on sound quality. inhibition.
關於本發明之優點與精神可以藉由以下的發明詳述及所附圖式得到進一步的瞭解。The advantages and spirit of the present invention will be further understood from the following detailed description of the invention.
請參閱第1圖及第2圖，第1圖為根據本發明之一較佳實施例之抗水透音結構1之示意圖，第2圖為抗水透音結構1沿第1圖中線X-X之剖面圖，其中為簡化說明，抗水透音結構1以誇張比例繪示，於後續圖中亦同，不另贅述。抗水透音結構1包含一第一抗水透音膜12、一第二抗水透音膜14及一環形連接件16。第二抗水透音膜14與第一抗水透音膜12相對設置以形成一充滿氣體的密封空間18於第一抗水透音膜12及第二抗水透音膜14之間。於本實施例中，第一抗水透音膜12與第二抗水透音膜14係利用環形連接件16對接並形成前述密封的空間18。由於第一抗水透音膜12及第二抗水透音膜14均可透音，故聲音可穿透第一抗水透音膜12、空間18及第二抗水透音膜14，換言之，抗水透音結構1使用多層抗水透音膜，仍可保有透音特性且相對於單一抗水透音膜12或14而言，還具有抗水等級提昇的效果。Please refer to FIG. 1 and FIG. 2, FIG. 1 is a schematic diagram of a water-resistant and sound-permeable structure 1 according to a preferred embodiment of the present invention, and FIG. 2 is a water-resistant and transparent structure 1 along line XX of FIG. The cross-sectional view, in order to simplify the description, the water-resistant and translucent structure 1 is shown in an exaggerated scale, and is also the same in the subsequent figures, and will not be further described. The water-resistant and sound-permeable structure 1 comprises a first water-resistant sound-permeable membrane 12, a second water-resistant sound-permeable membrane 14 and an annular connecting member 16. The second water-resistant sound-permeable membrane 14 is disposed opposite to the first water-resistant sound-permeable membrane 12 to form a gas-filled sealed space 18 between the first water-resistant sound-permeable membrane 12 and the second water-resistant sound-permeable membrane 14. In the present embodiment, the first water-resistant sound-permeable membrane 12 and the second water-resistant sound-permeable membrane 14 are butted by the annular joint 16 and form the sealed space 18 described above. Since the first water-resistant sound-permeable membrane 12 and the second water-resistant sound-permeable membrane 14 can both transmit sound, the sound can penetrate the first water-resistant sound-permeable membrane 12, the space 18 and the second water-resistant sound-permeable membrane 14, in other words The water-resistant and translucent structure 1 uses a multi-layer water-resistant sound-permeable membrane, and still retains sound-transmitting characteristics and has an effect of improving water level resistance with respect to the single water-resistant sound-permeable membrane 12 or 14.
於本實施例中，環形連接件16以雙面膠帶實作，但本發明不以此為限。此外，環形連接件16連接於第一抗水透音膜12及第二抗水透音膜14之間以與第一抗水透音膜12與第二抗水透音膜14共同 密封空間18，但本發明不以此為限。請參閱第3圖，其為根據另一實施例之抗水透音結構3之剖面圖。抗水透音結構3與抗水透音結構1結構大致相同，主要不同之處在於抗水透音結構3未具有環形連接件16。如第3圖所示，抗水透音結構3的第一抗水透音膜12與第二抗水透音膜14直接對接以形成密封的空間18，其中第一抗水透音膜12與第二抗水透音膜14分別形成皿狀，兩者邊緣對接。由於一般抗水透音膜多採披覆有金屬層的纖維編織而成，具有一定的可塑性，利用沖壓、加熱等方式即可形成前述皿狀，其實施細節為本技術領域熟知技藝者所能完成，於此不再贅述。第一抗水透音膜12與第二抗水透音膜14間黏結的方式可利用黏膠塗於接觸位置(如第3圖中虛線框示處)，或是以局部加熱的方式使第一抗水透音膜12與第二抗水透音膜14間於接觸位置產生一定程度的熔接(例如披覆層彼此的熔接)，或其他足使第一抗水透音膜12與第二抗水透音膜14密封連接的方法，例如仍於接觸位置以雙面膠帶密封連接。於抗水透音結構3中，聲音同樣可穿透第一抗水透音膜12、空間18及第二抗水透音膜14，抗水透音結構3亦保有透音特性且相對於單一抗水透音膜12或14，具有抗水等級提昇的效果。另外，補充說明的是，於前述各實施例中，第一抗水透音膜12與第二抗水透音膜14的抗水透音特性均相同，但本發明不以此為限。In the present embodiment, the annular connecting member 16 is implemented by double-sided tape, but the invention is not limited thereto. In addition, the annular connecting member 16 is connected between the first water-resistant sound-permeable membrane 12 and the second water-resistant sound-permeable membrane 14 to be common with the first water-resistant sound-permeable membrane 12 and the second water-resistant sound-permeable membrane 14 The space 18 is sealed, but the invention is not limited thereto. Please refer to FIG. 3, which is a cross-sectional view of a water-resistant and sound-permeable structure 3 according to another embodiment. The water-resistant and translucent structure 3 is substantially identical in structure to the water-resistant and sound-permeable structure 1, and the main difference is that the water-resistant and sound-permeable structure 3 does not have the annular connecting member 16. As shown in FIG. 3, the first water-resistant sound-permeable membrane 12 of the water-resistant and sound-permeable structure 3 directly interfaces with the second water-resistant sound-permeable membrane 14 to form a sealed space 18, wherein the first water-resistant sound-permeable membrane 12 and The second water-resistant sound-permeable membranes 14 are respectively formed into a dish shape, and the edges of the two are butted. Since the general water-resistant and translucent film is woven by a fiber coated with a metal layer and has a certain plasticity, the dish shape can be formed by means of stamping, heating, etc., and the implementation details are as known to those skilled in the art. Completed, not repeated here. The manner of bonding between the first water-resistant sound-permeable membrane 12 and the second water-resistant sound-permeable membrane 14 can be applied to the contact position by using an adhesive (as indicated by a broken line in FIG. 3), or by local heating. A water-resistant sound-permeable membrane 12 and a second water-resistant sound-permeable membrane 14 are welded to each other at a contact position (for example, welding of the coating layers), or other sufficient first water-resistant sound-permeable membrane 12 and second The method of sealing the water-resistant sound-permeable membrane 14 is, for example, still sealed at the contact position with a double-sided tape. In the water-resistant and sound-permeable structure 3, the sound can also penetrate the first water-resistant and translucent membrane 12, the space 18 and the second water-resistant and translucent membrane 14, and the water-resistant and translucent structure 3 also maintains sound-transmitting characteristics and is relatively simple. The water-resistant sound-permeable membrane 12 or 14 has an effect of improving the water resistance level. In addition, in the foregoing embodiments, the water-resistant and translucent characteristics of the first water-resistant sound-permeable membrane 12 and the second water-resistant sound-permeable membrane 14 are the same, but the invention is not limited thereto.
請參閱第4圖，其為根據本發明之一較佳實施例之電聲裝置5之剖面圖。電聲裝置5包含一聲音通道52、一揚聲器54及前述抗水透音結構1。聲音通道52具有一入口522及一出口524。於實作 上，聲音通道52得與電子裝置(例如平板電腦、筆記型電腦、多媒體顯示器等)的殼體整合，此時出口524即殼體外觀露出的開口，但本發明不以此為限。揚聲器54設置於入口522處，揚聲器54的出音孔正對入口522，使得揚聲器54發出的聲音能經由入口522進入聲音通道52；其中，揚聲器54可採用習用單體喇叭或其他可發聲元件，此為本技術領域熟知技藝者所能輕易完成，於此不再贅述，另於第4圖中僅以單一實體表示揚聲器54，以簡化圖面。抗水透音結構1設置於出口524處以密封出口524，例如以雙面膠帶56黏貼、密封，但本發明不以此為限。由於抗水透音結構1具有抗水能力，因此聲音通道52於出口524處亦有抗水能力。抗水透音結構1之結構說明可直接參閱前述實施例中相關的說明，不再複述。簡言之，揚聲器54發出的聲音能經由入口522進入聲音通道52，再經由出口524穿透第一抗水透音膜12、空間18及第二抗水透音膜14以傳播出聲音通道52。並且，抗水透音結構1使用多層抗水透音膜12、14，可提昇抗水等級而仍能保有透音特性。Please refer to FIG. 4, which is a cross-sectional view of an electroacoustic device 5 in accordance with a preferred embodiment of the present invention. The electroacoustic device 5 includes a sound channel 52, a speaker 54 and the aforementioned water-resistant and sound-permeable structure 1. The sound channel 52 has an inlet 522 and an outlet 524. Practice The sound channel 52 is integrated with the housing of the electronic device (for example, a tablet computer, a notebook computer, a multimedia display, etc.), and the outlet 524 is an opening in which the appearance of the housing is exposed, but the invention is not limited thereto. The speaker 54 is disposed at the inlet 522, and the sound hole of the speaker 54 is opposite to the inlet 522, so that the sound emitted by the speaker 54 can enter the sound channel 52 via the inlet 522; wherein the speaker 54 can be a conventional single speaker or other sound emitting element. This can be easily accomplished by those skilled in the art, and will not be described again herein. In addition, in FIG. 4, the speaker 54 is only represented by a single entity to simplify the drawing. The water-resistant and translucent structure 1 is disposed at the outlet 524 to seal the outlet 524, for example, adhered and sealed with a double-sided tape 56, but the invention is not limited thereto. Since the water-resistant and sound-permeable structure 1 has water resistance, the sound passage 52 also has water resistance at the outlet 524. The structural description of the water-resistant and transparent structure 1 can be directly referred to the relevant description in the foregoing embodiment, and will not be repeated. In short, the sound emitted by the speaker 54 can enter the sound channel 52 via the inlet 522, and then penetrate the first water-resistant sound-permeable membrane 12, the space 18 and the second water-resistant sound-permeable membrane 14 via the outlet 524 to propagate the sound channel 52. . Moreover, the water-resistant and sound-permeable structure 1 uses a plurality of water-resistant and sound-permeable membranes 12 and 14 to improve the water resistance level while still maintaining the sound transmission characteristics.
於本實施例中，入口522具有一入口開口方向522a(以箭頭表示於圖中)，出口524具有一出口開口方向524a(以箭頭表示於圖中)，入口開口方向522a與出口開口方向524a非平行，更精確的說，入口開口方向522a與出口開口方向524a實質上垂直，形成側出音的結構。因此，聲音傳遞並非直線，易於聲音通道52內產生反射，造成聲音相互干擾嚴重，影響聲音品質。於某一特定抗水要求下，相較於習知以單一抗水透音膜實作，根據本發明之抗水透音結構1使 用兩層抗水透音膜12、14來達到相同的抗水等級，故單一層的抗水透音膜12或14的篩孔面積可相對較大，其質量便可以相對較輕，進而對聲音品質的影響相對減少。另外，於本實施例中，抗水透音結構1以第一抗水透音膜12朝向出口524，黏貼、密封出口524，但本發明不以此為限。In the present embodiment, the inlet 522 has an inlet opening direction 522a (indicated by arrows), and the outlet 524 has an outlet opening direction 524a (indicated by arrows), the inlet opening direction 522a and the outlet opening direction 524a are not Parallel, more precisely, the inlet opening direction 522a is substantially perpendicular to the outlet opening direction 524a, forming a side-sounding structure. Therefore, the sound transmission is not a straight line, and it is easy to cause reflection in the sound channel 52, causing the sound to interfere with each other seriously, affecting the sound quality. Under a specific water resistance requirement, the water-resistant and sound-permeable structure 1 according to the present invention is made in comparison with the conventional practice of using a single water-resistant sound-permeable membrane. The two water-resistant sound-permeable membranes 12, 14 are used to achieve the same water resistance level, so that the single-layer water-resistant sound-permeable membrane 12 or 14 can have a relatively large mesh area, and the quality can be relatively light, and thus The impact of sound quality is relatively reduced. In addition, in the present embodiment, the water-resistant and sound-permeable structure 1 is attached to the outlet 524 with the first water-resistant sound-permeable membrane 12, and the outlet 524 is adhered and sealed, but the invention is not limited thereto.
補充說明的是，於本實施例中，電聲裝置5使用抗水透音結構1，但本發明不以此為限，於實作上，亦得使用抗水透音結構3，不待贅述。另外，本發明利用兩層抗水透音膜之間存有空隙(例如前述空間18)，使得於抗水透音結構中聲音的傳遞路徑上的抗水透音膜係間隔設置，以提昇抗水能力。其中間隔距離得以雙面膠帶、皿狀結構深度來決定，以一般雙面膠帶而言，此間隔距離約0.1 mm，但本發明不以此為限。It should be noted that, in the embodiment, the electroacoustic device 5 uses the water-resistant and sound-permeable structure 1, but the invention is not limited thereto, and in practice, the water-resistant and transparent structure 3 is also used, which will not be described again. In addition, the present invention utilizes a gap (for example, the aforementioned space 18) between the two layers of water-resistant and translucent membranes, so that the water-resistant and translucent membranes on the sound transmission path in the water-resistant and translucent structure are spaced apart to enhance the resistance. Water capacity. The spacing distance is determined by the double-sided tape and the depth of the dish structure. In the case of a general double-sided tape, the separation distance is about 0.1 mm, but the invention is not limited thereto.
以上所述僅為本發明之較佳實施例，凡依本發明申請專利範圍所做之均等變化與修飾，皆應屬本發明之涵蓋範圍。The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.
1、3‧‧‧抗水透音結構1, 3‧‧‧ Water-resistant and transparent structure
5‧‧‧電聲裝置5‧‧‧ electroacoustic device
12‧‧‧第一抗水透音膜12‧‧‧First water-resistant membrane
14‧‧‧第二抗水透音膜14‧‧‧Second water-resistant membrane
16‧‧‧環形連接件16‧‧‧Ring connector
18‧‧‧空間18‧‧‧ Space
52‧‧‧聲音通道52‧‧‧Sound channel
54‧‧‧揚聲器54‧‧‧Speakers
56‧‧‧雙面膠帶56‧‧‧Double-sided tape
522‧‧‧入口522‧‧‧ entrance
522a‧‧‧入口開口方向522a‧‧‧ Entrance opening direction
524‧‧‧出口524‧‧‧Export
524a‧‧‧出口開口方向524a‧‧‧Exit opening direction
第1圖為根據本發明之一較佳實施例之抗水透音結構之示意圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic illustration of a water resistant sound transmissive structure in accordance with a preferred embodiment of the present invention.
第2圖為第1圖中抗水透音結構沿線X-X之剖面圖。Figure 2 is a cross-sectional view of the water-resistant and translucent structure taken along line X-X in Figure 1.
第3圖為根據另一實施例之抗水透音結構之剖面圖。Figure 3 is a cross-sectional view of a water resistant sound transmissive structure in accordance with another embodiment.
第4圖為根據本發明之一較佳實施例之電聲裝置之剖面圖。Figure 4 is a cross-sectional view of an electroacoustic device in accordance with a preferred embodiment of the present invention.
1‧‧‧抗水透音結構1‧‧‧Water and sound resistant structure
12‧‧‧第一抗水透音膜12‧‧‧First water-resistant membrane
14‧‧‧第二抗水透音膜14‧‧‧Second water-resistant membrane
16‧‧‧環形連接件16‧‧‧Ring connector
18‧‧‧空間18‧‧‧ Space
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101143239A TWI481264B (en) | 2012-11-20 | 2012-11-20 | Water-resistant acoustic transmission structure and electroacoustic device therewith |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101143239A TWI481264B (en) | 2012-11-20 | 2012-11-20 | Water-resistant acoustic transmission structure and electroacoustic device therewith |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201422000A TW201422000A (en) | 2014-06-01 |
| TWI481264B true TWI481264B (en) | 2015-04-11 |
Family
ID=51393627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101143239A TWI481264B (en) | 2012-11-20 | 2012-11-20 | Water-resistant acoustic transmission structure and electroacoustic device therewith |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI481264B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050179813A1 (en) * | 2004-02-18 | 2005-08-18 | Naoki Fujii | Camera and electronic apparatus |
| JP2008070656A (en) * | 2006-09-14 | 2008-03-27 | Swcc Showa Device Technology Co Ltd | Water resistant sound absorbing body |
| JP2009073937A (en) * | 2007-09-20 | 2009-04-09 | Toyobo Co Ltd | Double-sided self-adhesive sheet, manufacturing method for it, and usage of it |
| TWM381820U (en) * | 2010-01-22 | 2010-06-01 | Asda Displays Co Ltd | Waterproof structure of electronic devices |
| US20110117304A1 (en) * | 2008-06-20 | 2011-05-19 | Takuya Ueki | Acoustic Part and Method for Manufacturing the Same |
| US20110188247A1 (en) * | 2010-02-02 | 2011-08-04 | James Huang | Water-proof and dust-proof membrane assembly and applications thereof |
-
2012
- 2012-11-20 TW TW101143239A patent/TWI481264B/en not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050179813A1 (en) * | 2004-02-18 | 2005-08-18 | Naoki Fujii | Camera and electronic apparatus |
| JP2008070656A (en) * | 2006-09-14 | 2008-03-27 | Swcc Showa Device Technology Co Ltd | Water resistant sound absorbing body |
| JP2009073937A (en) * | 2007-09-20 | 2009-04-09 | Toyobo Co Ltd | Double-sided self-adhesive sheet, manufacturing method for it, and usage of it |
| US20110117304A1 (en) * | 2008-06-20 | 2011-05-19 | Takuya Ueki | Acoustic Part and Method for Manufacturing the Same |
| TWM381820U (en) * | 2010-01-22 | 2010-06-01 | Asda Displays Co Ltd | Waterproof structure of electronic devices |
| US20110188247A1 (en) * | 2010-02-02 | 2011-08-04 | James Huang | Water-proof and dust-proof membrane assembly and applications thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201422000A (en) | 2014-06-01 |
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