JP2014212493A - Portable terminal - Google Patents

Portable terminal Download PDF

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Publication number
JP2014212493A
JP2014212493A JP2013088898A JP2013088898A JP2014212493A JP 2014212493 A JP2014212493 A JP 2014212493A JP 2013088898 A JP2013088898 A JP 2013088898A JP 2013088898 A JP2013088898 A JP 2013088898A JP 2014212493 A JP2014212493 A JP 2014212493A
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Prior art keywords
cover
packing
housing
rib
waterproof
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JP6216144B2 (en
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源景 菊池
Motokage Kikuchi
源景 菊池
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Sharp Corp
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Sharp Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings

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  • Engineering & Computer Science (AREA)
  • Casings For Electric Apparatus (AREA)
  • Telephone Set Structure (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)

Abstract

PROBLEM TO BE SOLVED: To secure waterproofness of a portable terminal without deforming a housing even when a cover is press-fitted.SOLUTION: A housing 3 includes: a cover insertion port 3b into which a battery cover 10 is inserted; and a packing support part 3c provided at a periphery of the cover insertion port 3b. A packing mounting part 16 to which waterproof packing 15 is mounted is provided at a portion which is inserted into the cover insertion port 3b of the battery cover 10. A deformation prevention rib 17 is extended from the packing mounting part 16, and a housing side supporting rib 3d is provided at the housing 3 for preventing the packing mounting part 16 from being deformed by being pushed by the waterproof packing 15 correspondingly to the deformation prevention rib 17.

Description

本発明は、防水性のあるカバーを有する携帯端末に関するものである。   The present invention relates to a portable terminal having a waterproof cover.

従来より、筐体の防水構造において、第１筐体の周縁に設けた規制部により、第２筐体周縁に設けた凹部に対して防水部材を圧入して防水効果を得る携帯端末は知られている（例えば、特許文献１参照）。   2. Description of the Related Art Conventionally, in a waterproof structure of a casing, a portable terminal that obtains a waterproof effect by press-fitting a waterproof member into a recess provided in the peripheral edge of a second casing by a restriction portion provided in the peripheral edge of the first casing is known. (For example, refer to Patent Document 1).

特開２００８−１０６９３２号公報JP 2008-106932 A

しかしながら、従来の携帯端末では、防水部材を開口部に圧入するので、筐体側に比較的大きな応力が加わる。このため、筐体の強度が不足した場合、筐体が変形して十分な防水性を確保することができないという問題がある。   However, in the conventional portable terminal, since the waterproof member is press-fitted into the opening, a relatively large stress is applied to the housing side. For this reason, when the intensity | strength of a housing | casing is insufficient, a housing | casing deform | transforms and there exists a problem that sufficient waterproofness cannot be ensured.

本発明は、かかる点に鑑みてなされたものであり、その目的とするところは、カバーを圧入しても筐体をゆがめることなく、防水性を確保することにある。   The present invention has been made in view of such points, and an object of the present invention is to ensure waterproofness without distorting the housing even if the cover is press-fitted.

上記の目的を達成するために、この発明では、カバー側と筐体側とに変形防止構造を設けた。   In order to achieve the above object, in the present invention, a deformation preventing structure is provided on the cover side and the housing side.

具体的には、第１の発明では、カバーが挿入されるカバー挿入口と、該カバー挿入口の周縁に設けたパッキン支持部とを有する筐体と、
上記カバー挿入口に挿入される部分に防水パッキンが装着されるパッキン装着部を有するカバーと、
上記パッキン装着部から延びる変形防止用リブと、
上記筐体に上記変形防止用リブに対応して設けられ、上記パッキン装着部が上記防水パッキンに押されて変形するのを防止する筐体側支持リブとを備えている。 Specifically, in the first invention, a housing having a cover insertion opening into which the cover is inserted, and a packing support portion provided at the periphery of the cover insertion opening,
A cover having a packing mounting portion on which a waterproof packing is mounted on a portion inserted into the cover insertion port;
A deformation preventing rib extending from the packing mounting portion;
The housing includes a housing-side support rib that is provided corresponding to the deformation prevention rib and prevents the packing mounting portion from being deformed by being pushed by the waterproof packing.

上記の構成によると、カバーから延びる変形防止用リブを筐体側支持リブで支持するので、筐体及びカバーの変形が防止される。このため、カバーを圧入しても防水性が確保される。   According to the above configuration, since the deformation preventing ribs extending from the cover are supported by the housing side support ribs, deformation of the housing and the cover is prevented. For this reason, waterproofness is ensured even if the cover is press-fitted.

以上説明したように、本発明によれば、カバー側の変形防止用リブに対応して、筐体側にパッキン装着部が防水パッキンに押されて変形するのを防止する筐体側支持リブを設けたことにより、カバーを圧入しても筐体をゆがめることなく、防水性を確保することができる。   As described above, according to the present invention, the housing side support rib for preventing the packing mounting portion from being deformed by being pressed by the waterproof packing is provided on the housing side corresponding to the deformation preventing rib on the cover side. Thus, waterproofness can be ensured without distorting the housing even if the cover is press-fitted.

図２のＩ−Ｉ線拡大断面図である。FIG. 3 is an enlarged cross-sectional view taken along line II in FIG. 2. 本発明の実施形態に係る携帯電話機を背面側から見た斜視図である。It is the perspective view which looked at the mobile telephone which concerns on embodiment of this invention from the back side. 携帯電話機の分解斜視図である。It is a disassembled perspective view of a mobile phone. 筐体側支持リブ及びその周辺を拡大して示す斜視図である。It is a perspective view which expands and shows a case side support rib and its periphery. 変形防止用リブ及びその周辺を拡大して示す斜視図である。It is a perspective view which expands and shows the rib for deformation prevention, and its periphery. 防水パッキンを拡大して示す斜視図である。It is a perspective view which expands and shows waterproof packing. 本発明の実施形態の変形例１に係る図１相当図である。FIG. 6 is a view corresponding to FIG. 1 according to a first modification of the embodiment of the present invention. 本発明の実施形態の変形例２に係る図１相当図である。It is FIG. 1 equivalent view which concerns on the modification 2 of embodiment of this invention.

以下、本発明の実施形態を図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図２は、本発明の実施形態に係る携帯端末としての携帯電話機１を背面側から見た斜視図であり、図１は、図２のＩ−Ｉ線拡大断面図であり、図３は、携帯電話機１の分解斜視図である。携帯電話機１は、正面側に液晶表示部２を備え、この液晶表示部２が樹脂成形品よりなる筐体３に貼り付けられている。筐体３の背面は、樹脂成形品のリアカバー４で覆われている。筐体３の内部には、液晶表示部２の背面に電子部品としての充電池５が内蔵され、その背面側に同じく電子部品としてのメイン基板６が配置されている。   2 is a perspective view of a mobile phone 1 as a mobile terminal according to an embodiment of the present invention as viewed from the back side, FIG. 1 is an enlarged cross-sectional view taken along the line II of FIG. 2, and FIG. 1 is an exploded perspective view of a mobile phone 1. FIG. The mobile phone 1 includes a liquid crystal display unit 2 on the front side, and the liquid crystal display unit 2 is attached to a housing 3 made of a resin molded product. The back surface of the housing 3 is covered with a rear cover 4 made of a resin molded product. Inside the housing 3, a rechargeable battery 5 as an electronic component is built in the back surface of the liquid crystal display unit 2, and a main substrate 6 as an electronic component is also disposed on the back surface side.

そして、携帯電話機１の下部に充電池５を覆う電池カバー１０が設けられている。図４は、筐体側支持リブ及びその周辺を拡大して示す斜視図である。電池カバー１０は、カバー本体１１と、このカバー本体１１を覆う装飾カバー１２とを備え、取付用ビス１３を筐体３のビス孔３ａに締結して取り付けられるようになっている。筐体３の下部には、電池カバー１０が挿入される矩形状のカバー挿入口３ｂが形成されている。カバー挿入口３ｂの周縁には、枠状のパッキン支持部３ｃが形成され、その背面側には、例えば２つの筐体側支持リブ３ｄが設けられ、この筐体側支持リブ３ｄは底面視コ字状に一体成形されている。   A battery cover 10 that covers the rechargeable battery 5 is provided at the bottom of the mobile phone 1. FIG. 4 is an enlarged perspective view showing the housing side support rib and its periphery. The battery cover 10 includes a cover main body 11 and a decorative cover 12 that covers the cover main body 11, and is attached by fastening a mounting screw 13 to a screw hole 3 a of the housing 3. A rectangular cover insertion port 3 b into which the battery cover 10 is inserted is formed in the lower part of the housing 3. A frame-shaped packing support portion 3c is formed on the periphery of the cover insertion port 3b, and two housing-side support ribs 3d are provided on the back side thereof, for example. Are integrally molded.

図５は、変形防止用リブ及びその周辺を拡大して示す斜視図であり、図６は、防水パッキンを拡大して示す斜視図である。カバー本体１１は、中央にＵＳＢ端子を接続するための端子接続部１４を備え、両側に取付用ビス１３が挿通されるビス挿通孔１１ａが設けられている。カバー本体１１の充電池５側には、板状の防水パッキン１５が設けられている。防水パッキン１５は、例えば板状の樹脂本体１５ａの外周に枠状のシリコンゴム１５ｂをインサート成形したものよりなり、樹脂本体１５ａには、カバー本体１１に設けられる端子接続部１４等を避けるための複数の開口１５ｃが形成されている。カバー本体１１のカバー挿入口３ｂに挿入される部分には、防水パッキン１５が装着される枠状のパッキン装着部１６が形成されている（図１に示す）。そして、このパッキン装着部１６における端子接続部１４の左右両側にはそれぞれ変形防止用リブ１７が延びている。この変形防止用リブ１７は、筐体側支持リブ３ｄに対応して一対設けられ、パッキン装着部１６が防水パッキン１５に押されて変形するのを防止する役割を果たしている。電池カバー１０の装着時には、図１に示すように、変形防止用リブ１７は、防水パッキン１５の開口１５ｃを通過して充電池５側へ飛び出している。   FIG. 5 is an enlarged perspective view showing the deformation preventing rib and its periphery, and FIG. 6 is an enlarged perspective view showing the waterproof packing. The cover main body 11 includes a terminal connection portion 14 for connecting a USB terminal at the center, and screw insertion holes 11a through which the mounting screws 13 are inserted are provided on both sides. A plate-shaped waterproof packing 15 is provided on the rechargeable battery 5 side of the cover body 11. The waterproof packing 15 is formed, for example, by insert-molding a frame-shaped silicon rubber 15b on the outer periphery of a plate-shaped resin main body 15a. The resin main body 15a has a structure for avoiding the terminal connection portion 14 and the like provided in the cover main body 11. A plurality of openings 15c are formed. A frame-shaped packing mounting portion 16 to which the waterproof packing 15 is mounted is formed at a portion inserted into the cover insertion port 3b of the cover body 11 (shown in FIG. 1). Deformation preventing ribs 17 extend on both the left and right sides of the terminal connecting portion 14 in the packing mounting portion 16. A pair of the deformation prevention ribs 17 is provided corresponding to the housing side support ribs 3d, and serves to prevent the packing mounting portion 16 from being deformed by being pushed by the waterproof packing 15. When the battery cover 10 is attached, as shown in FIG. 1, the deformation preventing rib 17 protrudes toward the rechargeable battery 5 through the opening 15 c of the waterproof packing 15.

次いで、電池カバー１０の使用手順について説明する。   Next, a procedure for using the battery cover 10 will be described.

図１及び図３に示すように、充電池５を点検又は交換した後、カバー本体１１をカバー挿入口３ｂに圧入し、防水パッキン１５をパッキン支持部３ｃに押し付けて密着させた状態で取付用ビス１３を締結する。このとき、防水パッキン１５が強くパッキン支持部３ｃに押し付けられたとしても、電池カバー１０から延びる変形防止用リブ１７が筐体側支持リブ３ｄに嵌合してしっかりと支持されるので、筐体３及び電池カバー１０の変形が防止される。このため、電池カバー１０を圧入しても防水性が確実に確保される。   As shown in FIGS. 1 and 3, after the rechargeable battery 5 is inspected or replaced, the cover main body 11 is press-fitted into the cover insertion port 3b, and the waterproof packing 15 is pressed against the packing support portion 3c so as to be attached. Fasten the screw 13. At this time, even if the waterproof packing 15 is strongly pressed against the packing support portion 3c, the deformation preventing rib 17 extending from the battery cover 10 is fitted and firmly supported by the housing side support rib 3d. And deformation of the battery cover 10 is prevented. For this reason, waterproofness is reliably ensured even if the battery cover 10 is press-fitted.

このように、防水性のある電池カバー１０を圧入しても筐体３が変形しないので、高い防水性を必要とする電子部品である充電池５及びメイン基板６側に液体が浸入しない。   Thus, even if the waterproof battery cover 10 is press-fitted, the housing 3 is not deformed, so that liquid does not enter the rechargeable battery 5 and the main board 6 side which are electronic components that require high waterproofness.

したがって、本実施形態に係る携帯電話機１によると、筐体３に変形防止用リブ１７に対応してパッキン装着部１６が防水パッキン１５に押されて変形するのを防止する筐体側支持リブ３ｄを設けたことにより、電池カバー１０を圧入しても筐体３をゆがめることなく、防水性を確保することができる。   Therefore, according to the mobile phone 1 according to the present embodiment, the housing side support rib 3d that prevents the packing mounting portion 16 from being deformed by being pressed by the waterproof packing 15 corresponding to the deformation preventing rib 17 on the housing 3 is provided. By providing, waterproofness can be ensured without distorting the housing 3 even if the battery cover 10 is press-fitted.

−変形例１−
図７は本発明の実施形態の変形例１を示し、変形防止用リブ１７’の形状が異なる点で上記実施形態１と異なる。なお、以下の各実施形態では、図１〜図６と同じ部分については同じ符号を付してその詳細な説明は省略する。 -Modification 1-
FIG. 7 shows a first modification of the embodiment of the present invention, which differs from the first embodiment in that the shape of the deformation preventing rib 17 ′ is different. In the following embodiments, the same portions as those in FIGS. 1 to 6 are denoted by the same reference numerals, and detailed description thereof is omitted.

本変形例では、変形防止用リブ１７’の突出量が上記実施形態に比べて短く、パッキン支持部３ｃと筐体側支持リブ３ｄ’とが携帯電話機１の厚さ方向に並んでいる（正面視で互いに重なる位置にある）。本変形例では、上記実施形態のように変形防止用リブ１７が開口１５ｃを通過するのではなく、筐体側支持リブ３ｄ’が開口１５ｃを通過して電池カバー１０側へ飛び出している。このようにパッキン支持部３ｃの近傍に筐体側支持リブ３ｄを設けることで、防水パッキン１５に加わる荷重が筐体側支持リブ３ｄ’でさらに確実に支持される。   In this modification, the amount of protrusion of the deformation preventing rib 17 ′ is shorter than that of the above embodiment, and the packing support portion 3c and the housing side support rib 3d ′ are arranged in the thickness direction of the mobile phone 1 (viewed from the front). In a position overlapping each other). In the present modification, the deformation preventing rib 17 does not pass through the opening 15c as in the above embodiment, but the housing side support rib 3d 'protrudes through the opening 15c to the battery cover 10 side. Thus, by providing the housing side support rib 3d in the vicinity of the packing support portion 3c, the load applied to the waterproof packing 15 is more reliably supported by the housing side support rib 3d '.

−変形例２−
図８は本発明の実施形態の変形例２を示し、正面側にも変形防止用リブ１７’’が設けられている点で上記実施形態１と異なる。 -Modification 2-
FIG. 8 shows a second modification of the embodiment of the present invention, which differs from the first embodiment in that a deformation preventing rib 17 ″ is provided also on the front side.

つまり、本変形例では、上記実施形態の変形防止用リブ１７及び筐体側支持リブ３ｄとは別に厚さ方向に間隔を空けて正面側にもそれぞれ例えば一対の変形防止用リブ１７’’及び筐体側支持リブ３ｄ’’が形成されている。この構成によると、厚さ方向両側で防水パッキン１５に加わる荷重を合計４つの筐体側支持リブ３ｄ，３ｄ’’で支持するので、さらに確実に変形が防止される。   That is, in the present modification, for example, a pair of deformation prevention ribs 17 '' and a housing are provided on the front side with a space in the thickness direction apart from the deformation prevention ribs 17 and the case side support ribs 3d of the above embodiment. Body side support ribs 3d '' are formed. According to this configuration, the load applied to the waterproof packing 15 on both sides in the thickness direction is supported by the total of the four casing-side support ribs 3d and 3d '', so that deformation can be prevented more reliably.

（その他の実施形態）
本発明は、上記実施形態について、以下のような構成としてもよい。 (Other embodiments)
The present invention may be configured as follows with respect to the above embodiment.

すなわち、上記実施形態では、カバーは、携帯電話機１の下端に設けた電池カバー１０としたが、これに限定されず、筐体との間に防水パッキン１５で内部の電子部品を防水するカバーであれば特に限定されない。   That is, in the above embodiment, the cover is the battery cover 10 provided at the lower end of the mobile phone 1, but is not limited to this, and is a cover that waterproofs internal electronic components with a waterproof packing 15 between the cover and the casing. If there is no particular limitation.

上記実施形態では、携帯端末は、携帯電話機１としたが、ＰＨＳ（Personal Handy-phone System ）、ＰＤＡ(Personal Digital Assistant)、スマートフォン、パソコン、モバイルツール、電子辞書、電卓、ゲーム機等であってもよい。   In the above embodiment, the mobile terminal is the mobile phone 1, but it is a PHS (Personal Handy-phone System), a PDA (Personal Digital Assistant), a smartphone, a personal computer, a mobile tool, an electronic dictionary, a calculator, a game machine, and the like. Also good.

なお、以上の実施形態は、本質的に好ましい例示であって、本発明、その適用物や用途の範囲を制限することを意図するものではない。また、各実施形態に記載された技術的特徴は、互いに組合せ可能であり、組み合わせることにより、新しい技術的特徴を形成することができる。   In addition, the above embodiment is an essentially preferable illustration, Comprising: It does not intend restrict | limiting the range of this invention, its application thing, or a use. The technical features described in each embodiment can be combined with each other, and a new technical feature can be formed by combining them.

１ 携帯電話機（携帯端末）
２ 液晶表示部
３ 筐体
３ａ ビス孔
３ｂ カバー挿入口
３ｃ パッキン支持部
３ｄ，３ｄ’，３ｄ’’ 筐体側支持リブ
４ リアカバー
５ 充電池（電子部品）
６ メイン基板（電子部品）
１０ 電池カバー
１１ カバー本体
１１ａ ビス挿通孔
１２ 装飾カバー
１３ 取付用ビス
１４ 端子接続部
１５ 防水パッキン
１５ａ 樹脂本体
１５ｂ シリコンゴム
１５ｃ 開口
１６ パッキン装着部
１７，１７’，１７’’ 変形防止用リブ 1 Mobile phone (mobile terminal)
2 Liquid crystal display
3 Case
3a Screw hole
3b Cover insertion slot
3c Packing support
3d, 3d ', 3d''housing side support rib
4 Rear cover
5 Rechargeable batteries (electronic parts)
6 Main board (electronic parts)
10 Battery cover
11 Cover body
11a Screw insertion hole
12 Decorative cover
13 Mounting screws
14 Terminal connection
15 Waterproof packing
15a Resin body
15b Silicon rubber
15c opening
16 Packing mounting part
17,17 ', 17''Deformation prevention rib

Claims (4)

カバーが挿入されるカバー挿入口と、該カバー挿入口の周縁に設けたパッキン支持部とを有する筐体と、
上記カバー挿入口に挿入される部分に防水パッキンが装着されるパッキン装着部を有するカバーと、
上記パッキン装着部から延びる変形防止用リブと、
上記筐体に上記変形防止用リブに対応して設けられ、上記パッキン装着部が上記防水パッキンに押されて変形するのを防止する筐体側支持リブとを備えている
ことを特徴とする携帯端末。 A housing having a cover insertion opening into which the cover is inserted, and a packing support portion provided at the periphery of the cover insertion opening;
A cover having a packing mounting portion on which a waterproof packing is mounted on a portion inserted into the cover insertion port;
A deformation preventing rib extending from the packing mounting portion;
A portable terminal comprising: a casing-side support rib provided on the casing corresponding to the deformation-preventing rib and preventing the packing mounting portion from being deformed by being pushed by the waterproof packing. . 請求項１に記載の携帯端末において、
上記パッキン支持部と上記筐体側支持リブとが上記携帯電話機の厚さ方向に並んでいる
ことを特徴とする携帯端末。 The mobile terminal according to claim 1,
The portable terminal, wherein the packing support portion and the housing side support rib are arranged in the thickness direction of the mobile phone. 請求項１又は２に記載の携帯端末において、
上記変形防止用リブと上記筐体側支持リブとは、厚さ方向に間隔を空けて複数形成されている
ことを特徴とする携帯端末。 The mobile terminal according to claim 1 or 2,
A portable terminal, wherein a plurality of the deformation prevention ribs and the housing side support ribs are formed at intervals in the thickness direction. 請求項１から３までのいずれか１つに記載の携帯端末において、
上記カバーは、上記携帯端末に内蔵される電子部品を該携帯端末の側面から覆う防水性カバーである
ことを特徴とする携帯端末。 In the portable terminal as described in any one of Claim 1 to 3,
The mobile terminal according to claim 1, wherein the cover is a waterproof cover that covers an electronic component built in the mobile terminal from a side surface of the mobile terminal.
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Citations (8)

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JP2002041182A (en) * 2000-07-31 2002-02-08 Seiko Instruments Inc Closed structure for wrist-portable information equipment
JP2009036232A (en) * 2007-07-31 2009-02-19 Nok Corp Sealing structure of electronic device
JP2010182603A (en) * 2009-02-09 2010-08-19 Casio Hitachi Mobile Communications Co Ltd Electronic device
JP2010268282A (en) * 2009-05-15 2010-11-25 Panasonic Corp Portable terminal device
JP2011211007A (en) * 2010-03-30 2011-10-20 Mitsubishi Electric Corp Housing structure
JP2012156338A (en) * 2011-01-26 2012-08-16 Kyocera Corp Electronic apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000009227A (en) * 1998-06-23 2000-01-11 Japan Aviation Electronics Ind Ltd Waterproof structure for box
JP2001013567A (en) * 1999-06-25 2001-01-19 Fuji Photo Film Co Ltd Waterproof case
JP2002041182A (en) * 2000-07-31 2002-02-08 Seiko Instruments Inc Closed structure for wrist-portable information equipment
JP2009036232A (en) * 2007-07-31 2009-02-19 Nok Corp Sealing structure of electronic device
JP2010182603A (en) * 2009-02-09 2010-08-19 Casio Hitachi Mobile Communications Co Ltd Electronic device
JP2010268282A (en) * 2009-05-15 2010-11-25 Panasonic Corp Portable terminal device
JP2011211007A (en) * 2010-03-30 2011-10-20 Mitsubishi Electric Corp Housing structure
JP2012156338A (en) * 2011-01-26 2012-08-16 Kyocera Corp Electronic apparatus

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