WO2012014325A1 - 電子機器ユニットの筐体 - Google Patents
電子機器ユニットの筐体 Download PDFInfo
- Publication number
- WO2012014325A1 WO2012014325A1 PCT/JP2010/062947 JP2010062947W WO2012014325A1 WO 2012014325 A1 WO2012014325 A1 WO 2012014325A1 JP 2010062947 W JP2010062947 W JP 2010062947W WO 2012014325 A1 WO2012014325 A1 WO 2012014325A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- case
- opening
- insulating plate
- electronic device
- edge
- Prior art date
Links
- 239000000758 substrate Substances 0.000 claims description 28
- 238000009413 insulation Methods 0.000 abstract description 13
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0079—Electrostatic discharge protection, e.g. ESD treated surface for rapid dissipation of charges
Definitions
- the present invention relates to a housing of an electronic device unit that accommodates a substrate therein, and particularly relates to an improvement in static electricity insulation by a fitting structure of two divided cases.
- it is a housing of an electronic device unit containing a substrate on which electronic components are mounted, and has two cases formed by dividing a box, and the two cases are joined together with their openings abutted against each other.
- an electronic device unit having a structure in which a substrate is housed inside conventionally, there is a problem that an electrostatic discharge affects an electronic component from the outside because a gap is generated at the abutting portion of the two cases.
- a method of providing an insulating sheet so as to cover the abutting portion inside the housing, or a method of preventing an electronic component from being provided on the substrate immediately below the abutting portion has been proposed.
- the method of providing the insulating sheet has a problem that the number of assembling steps for mounting the insulating sheet increases and the number of parts increases and the cost increases. Furthermore, there are problems such as the height of electronic parts being limited and the problem of poor recyclability. On the other hand, in the method in which the electronic component is not provided on the substrate immediately below the butted portion, there is a problem that the arrangement of the electronic component is limited and the mounting efficiency is deteriorated.
- the present invention has been made in view of the above, and it is possible to extend the creeping distance from the butt portion of the two cases to the internal substrate, which is likely to be an entry path of electrostatic discharge, to a predetermined length. It is an object of the present invention to provide a casing of an electronic device unit that can improve the performance.
- the casing of the electronic device unit of the present invention has a box shape that opens one surface, and is joined by abutting each other's opening,
- a housing having a first case and a second case containing a substrate on which an electronic component is mounted, insulation that extends from the opening of the first case to the second case side and overlaps the wall surface of the second case
- An engagement convex portion is formed on the overlapping surface of the insulating plate, and the first case and the first case are engaged with the engagement convex portion on the wall surface of the second case at a position corresponding to the engagement convex portion.
- An engagement hole that restricts the separation of the two cases is formed, and the insulating plate has a predetermined creepage distance in which the distance from the butt opening edge and the engagement hole to the edge of the first case and the second case is predetermined.
- a predetermined width from the butt opening edge and the engagement hole Characterized in that a shape and spreading.
- the housing of the electronic device unit of the present invention has an insulating plate that extends in the abutting direction from almost the entire edge of the opening of the first case and closely contacts the inner wall of the second case. Since the first case and the second case have a shape that widens with a predetermined width from the abutting location and the engagement hole so that the distance from the abutting location and the engagement hole to the edge is a predetermined creepage distance.
- the creepage distance from the butt portion of the two cases to the internal substrate that is likely to be an entry path for electrostatic discharge can be set to a predetermined insulation distance, and electrostatic insulation can be improved. As a result, there is no need to provide an insulating sheet, and there is an effect that it is not necessary to place an electronic component placement prohibited area on the substrate immediately below the butted portion.
- FIG. 1 is a perspective view showing the overall appearance of an embodiment of an electronic device unit casing according to the present invention.
- FIG. 2 is a perspective view showing a state in which the front case and the rear case are fitted together to accommodate the substrate.
- FIG. 3 is a side view showing how the front case and the rear case are fitted together.
- FIG. 4 is a side view of the housing of the electronic device unit.
- FIG. 5 is a longitudinal sectional view of the front case. 6 is a cross-sectional view taken along line BB in FIG. 7 is a cross-sectional view taken along the line CC of FIG. 8 is a cross-sectional view taken along line EE in FIG.
- FIG. 9 is a schematic diagram for explaining the shape of the insulating plate.
- FIG. 1 is a perspective view showing the overall appearance of an embodiment of an electronic device unit casing according to the present invention.
- FIG. 2 is a perspective view showing a state in which the front case and the rear case are fitted together to accommodate the substrate.
- FIG. 3 is a side view showing how the front case and the rear case are fitted together.
- FIG. 4 is a side view of the housing of the electronic device unit.
- FIG. 5 is a longitudinal sectional view of the front case. 6 is a cross-sectional view taken along line BB in FIG. 7 is a cross-sectional view taken along the line CC of FIG. 8 is a cross-sectional view taken along line EE in FIG.
- FIG. 9 is a schematic diagram for explaining the shape of the insulating plate.
- the height direction of the casing (hereinafter simply referred to as casing) 50 of the electronic device unit is the Z direction
- the depth direction of the casing 50 is the X direction
- the width direction of the casing 50 will be described as the Y direction, but the present invention is not limited to this.
- FIG. 3 only the front case 2 and the rear case 1 are shown, and the included substrate is omitted.
- the cross-sectional views of FIGS. 6, 7 and 8 show only the shape of the cut surface of the cross section.
- the housing 50 accommodates therein a substantially plate-like substrate 3 on which electronic components (not shown) are mounted.
- substrate 3 shall be arrange
- the substrate 3 has an electronic component (not shown) mounted on a first surface (component mounting surface) which is a main surface on one side. Further, a connector 3a is provided at an edge portion on the X minus direction side which is the front side of the apparatus.
- the housing 50 has a generally flat hexahedron extending along the substrate 3. That is, the housing 50 has a substantially rectangular parallelepiped shape that is elongated in the X direction and the Z direction and has a small thickness (width) in the Y direction (FIG. 1).
- the substrate 3 extends substantially over the entire casing 50 so that the main surface faces the large area surface of the inner surface of the casing 50. That is, the substrate 3 extends over almost the entire area inside the housing 50.
- the housing 50 is divided into two at a position close to the center portion, a plane (ZY plane) orthogonal to the substrate 3. That is, the housing 50 is divided into two cases, a rear case (first case) 1 and a front case (second case) 2 (FIG. 2).
- Each of the rear case 1 and the front case 2 has a flat box shape that opens one surface, and has elongated openings 1a and 2a that extend in a rectangular shape. The openings 1a and 2a are abutted against each other. By fitting together, a single box is formed, and the substrate 3 is enclosed in the internal space.
- the connector 3a is exposed from the rectangular hole 2d provided on the side opposite to the opening 2a of the front case 2.
- the housing 50 of the electronic device unit according to the present embodiment is divided into two cases, the rear case 1 and the front case 2, but is further divided into two or more cases. May be.
- Two insulating plates 5 and 5 are provided inside the butt opening edge A (case mating surface) where the rear case 1 and the front case 2 abut (FIG. 2).
- the two insulating plates 5 and 5 are provided so as to extend from substantially the entire edges of the two long sides of the opening 1a of the rear case 1 toward the front case 2 in the butting direction (X minus direction). , It extends along the XZ plane so as to be parallel to the substrate 3. That is, the insulating plates 5 and 5 are substantially all edges facing the first surface (component mounting surface) of the substrate 3 of the opening 1a of the rear case 1 and the second surface on the back side of the first surface. A pair is provided so as to extend to the second case side.
- the insulating plates 5 and 5 are fitted into each other by being in close contact with the inner wall of the front case 2.
- the insulating plate 5 covers the butt opening edge A from the internal space.
- the rear case 1 and the front case 2 are fitted by the insulating plate 5 protruding from the opening 1 a of the rear case 1.
- Engagement projections 1b and 1b are formed on the outer main surfaces of the two insulating plates 5 and 5 (surfaces in contact with the inner wall of the front case 2) (FIG. 2).
- engagement holes 2b and 2b are formed through the outer surface at positions corresponding to the engagement protrusions 1b and 1b.
- the engagement convex portions 1b and 1b and the engagement holes 2b and 2b are engaged with each other, thereby restricting the fitted rear case 1 and front case 2 from separating.
- the engagement convex portions 1b and 1b can be engaged with the engagement holes 2b and 2b satisfactorily when sliding in the abutting direction (X minus direction).
- the abutting direction side is an inclined surface (FIG. 6).
- a jig insertion gradient portion 1f for inserting a dedicated jig is provided on the outer surface near the engagement convex portions 1b, 1b in the vicinity of the butting opening edge A of the rear case 1.
- the jig insertion gradient portion 1f is a concave portion having a sloped bottom for inserting a dedicated jig for releasing the fitting between the rear case 1 and the front case 2.
- the rear case 1 and the front case 2 the wall surface of the rear case 1 is pushed inward with this dedicated jig, and the engaging convex portions 1b, 1b are removed from the engaging holes 2b, 2b.
- the insulating plate 5 is abutted so that the distance from the abutting opening edge A and the engagement holes 2b, 2b to the edge of the rear case 1 and the front case 2 is a predetermined creepage distance.
- a predetermined width D extends from the opening edge A and the engagement holes 2b and 2b. That is, the insulating plate 5 spreads out from the butt opening edge A and the engagement holes 2b and 2b so as to follow the creepage distance.
- the insulating plate 5 is widened so that the distance from the butt opening edge A to the edge becomes a predetermined width D at the intermediate portion, and the engagement convex portions 1b and 1b are formed at both ends in the Z direction.
- the insulating plate 5 Since the engagement holes 2b and 2b are opened in the wall surface of the front case 2 facing the engagement projections 1b and 1b, the insulating plate 5 has a predetermined edge from the engagement holes 2b and 2b. The shape is widened to have a width D. That is, the insulating plate 5 has both end portions in the Z direction projecting greatly in the butting direction (X minus direction) from the intermediate portion so that the distance from the engagement holes 2b, 2b to the edge is a predetermined creepage distance. If the engagement convex part is provided also in the center part of the insulating plate 5 and the engagement hole is opened in the wall surface of the front case 2 facing this, the center part of the insulating plate 5 is connected to both end parts. In the same manner, it protrudes greatly in the abutting direction.
- the insulating plates 5 and 5 enter the opening 2a of the front case 2 and overlap the inner wall of the front case 2, but the insulating plates 5 and 5 are the opening of the front case 2.
- 2 a may be provided so as to cover the outer wall of the front case 2.
- the engaging convex portions 1b and 1b are formed on the inner main surface (the surface that contacts the inner wall of the front case 2).
- the insulating plate is broadened with a predetermined width from the butt opening edge and the engagement hole so that the distance from the butt opening edge and the engagement hole to the edge becomes a predetermined creepage distance. Similar effects can be obtained.
- a fitting recess 2c is formed on the inner wall of the front case 2 as a recess having the same shape as the insulating plate 5 (FIG. 5).
- the fitting recess 2c has the same depth as the thickness of the insulating plate 5 and is accommodated so as to overlap the insulating plate 5 and embed the insulating plate 5, thereby eliminating a step on the inner surface of the housing 50 (FIG. 6).
- the inner wall of the front case 2 in which the fitting recess 2c is formed and the insulating plate 5 are configured to have a minimum thickness as a casing of the electronic device unit, and can secure a basic plate thickness when they overlap each other. It has become.
- This basic plate thickness is the same as the conventional wall plate thickness, and by not changing the basic plate thickness, it is possible to secure the basic external shape of the conventional specification, secure the internal space volume, and do not increase the restrictions on the component mounting area of the board. Is possible.
- the corner of the tip in the abutting direction is rounded into a circular arc shape so that the insulating plate 5 can easily go around at the time of molding.
- the guide rib 7 is formed at the center of the long side of the opening 2a of the front case 2 so as to face the fitting recess 2c with a predetermined gap. Is provided.
- the guide rib 7 extends from the inner wall of the front case 2 toward the opening 2a of the front case 2, and the tip thereof protrudes from the opening 2a.
- the guide rib 7 guides the insulating plate 5 when the rear case 1 and the front case 2 are fitted to each other, and cooperates with the fitting recess 2c to sandwich the insulating plate 5 so as to insulate it.
- the plate 5 is prevented from being displaced inward.
- the guide rib 7 is chamfered or rounded at the tip so that the insulating plate 5 can be easily inserted. Moreover, since sink marks are likely to occur when resin molding is performed, a recess 2e is provided on the outer surface of the corresponding front case 2 (FIG. 3).
- the insulating plate 5 has a predetermined distance from the butted opening edge A of the rear case 1 and the front case 2 and the edge from the engagement hole 2b.
- the creepage distance from the outer space to the inner space is a predetermined distance, so that the required electrostatic insulation property is obtained. Therefore, it is not necessary to provide a conventional insulating sheet.
- the thickness of the insulating sheet needs to limit the component height of the board directly under the gap of the butt opening edge A, and the assembling property of the housing is poor.
- the insulating sheet by eliminating the need for the insulating sheet, there is no restriction on the height of the board components, and the assembly of the housing can be improved.
- the cost of the unit can be reduced, and the recyclability can be improved.
- the insulating plate 5 It is possible to suppress electrostatic discharge because it covers and hides the gap.
- the guide rib 7 is provided on the inner wall of the front case 2, the guide rib 7 appropriately guides the insulating plate 5 when mating with the rear case 1, and the assembly work is easy. Further, the guide rib 7 has an effect of reinforcing the insulating plate 5 and the wall surface of the rear case 1 so as not to be recessed inward, and can improve the strength of the entire housing of the electronic device unit.
- a jig insertion gradient portion 1f for inserting a dedicated jig is provided on the outer surface near the engaging projections 1b, 1b in the vicinity of the butting opening edge A of the rear case 1, and a structure in which the unit is difficult to disassemble. It has become.
- the housing of the electronic device unit according to the present invention is suitable for being applied to a housing of an electronic device unit that includes two divided cases and includes a substrate on which the electronic device is mounted. is there.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
図1は、本発明にかかる電子機器ユニットの筐体の実施の形態の全体の外観を示す斜視図である。図2は、前部ケースと後部ケースとを嵌め合わせて基板を収納する様子を示す斜視図である。図3は、前部ケースと後部ケースとを嵌め合わせる様子を示す側面図である。図4は、電子機器ユニットの筐体の側面図である。図5は、前部ケースの縦断面図である。図6は、図4のB-B線に沿う矢視断面図である。図7は、図4のC-C線に沿う矢視断面図である。図8は、図5のE-E線に沿う矢視断面図である。図9は、絶縁板の形状を説明するための模式図である。
1a 開口部
1b 係合凸部
1f 治具差込勾配部
2 前部ケース(第2のケース)
2a 開口部
2b 係合穴
2d 矩形穴
2c 嵌合凹部
2e 凹み部
3 基板
3a コネクタ
5 絶縁板
7 案内リブ
50 電子機器ユニットの筐体
Claims (7)
- それぞれ一面を開放する箱状を成し、互いの開口部を突き合わせて接合されて箱体となり、電子部品を搭載する基板を内包する第1のケースおよび第2のケースとを有する筐体において、
前記第1のケースの開口部から前記第2のケース側に延び、前記第2のケースの壁面に重なり合う絶縁板を有し、
前記絶縁板の重合面に係合凸部が形成され、前記係合凸部に対応する位置の前記第2のケースの壁面に前記係合凸部と係合して前記第1のケースと前記第2のケースが離間することを規制する係合穴が形成されており、
前記絶縁板は、前記第1のケースと前記第2のケースの突き合わせ開口縁および前記係合穴から縁までの距離が所定の沿面距離となるように、前記突き合わせ開口縁および前記係合穴から所定の幅を有して広がる形状を成している
ことを特徴とする電子機器ユニットの筐体。 - 前記基板は、第1面に電子部品を搭載し、
前記絶縁板は、前記第1のケースの開口部の前記基板の第1面に対向するほぼ全縁と前記第1面の裏側の第2面に対向するほぼ全縁とからそれぞれ第2のケース側に延びるように一対が設けられている
ことを特徴とする請求項1に記載の電子機器ユニットの筐体。 - 前記絶縁板は、前記第2のケースの開口部に入り込み第2のケースの内壁に重なる
ことを特徴とする請求項1に記載の電子機器ユニットの筐体。 - 前記第2のケースの内壁に、前記絶縁板を埋没させる嵌合凹部が形成されている
ことを特徴とする請求項1に記載の電子機器ユニットの筐体。 - 前記第2のケースの壁面から前記嵌合凹部と対向して前記第2のケースの開口部方向に延び、前記嵌合凹部との間に前記絶縁板を狭持する案内リブが設けられている
ことを特徴とする請求項4に記載の電子機器ユニットの筐体。 - 前記第2のケースの壁面から前記第2のケースの開口部方向に延び、前記絶縁板と重なり合う壁面との間に前記絶縁板を狭持する案内リブが設けられている
ことを特徴とする請求項1に記載の電子機器ユニットの筐体。 - 前記案内リブは、前記第2のケースの開口部から突出している
ことを特徴とする請求項6に記載の電子機器ユニットの筐体。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080068335.7A CN103039133B (zh) | 2010-07-30 | 2010-07-30 | 电子设备单元的框体 |
US13/810,069 US8908381B2 (en) | 2010-07-30 | 2010-07-30 | Housing for electronic device unit |
DE112010005787.7T DE112010005787B4 (de) | 2010-07-30 | 2010-07-30 | Gehäuse für eine elektronische Einrichtungseinheit |
KR1020137004249A KR101412930B1 (ko) | 2010-07-30 | 2010-07-30 | 전자기기 유니트의 하우징 |
PCT/JP2010/062947 WO2012014325A1 (ja) | 2010-07-30 | 2010-07-30 | 電子機器ユニットの筐体 |
JP2012526267A JP5583217B2 (ja) | 2010-07-30 | 2010-07-30 | 電子機器ユニットの筐体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/062947 WO2012014325A1 (ja) | 2010-07-30 | 2010-07-30 | 電子機器ユニットの筐体 |
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WO2012014325A1 true WO2012014325A1 (ja) | 2012-02-02 |
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PCT/JP2010/062947 WO2012014325A1 (ja) | 2010-07-30 | 2010-07-30 | 電子機器ユニットの筐体 |
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US (1) | US8908381B2 (ja) |
JP (1) | JP5583217B2 (ja) |
KR (1) | KR101412930B1 (ja) |
CN (1) | CN103039133B (ja) |
DE (1) | DE112010005787B4 (ja) |
WO (1) | WO2012014325A1 (ja) |
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JP2013009446A (ja) * | 2011-06-22 | 2013-01-10 | Calsonic Kansei Corp | 基板ケース構造 |
CN104656815B (zh) * | 2013-11-18 | 2017-11-07 | 纬创资通股份有限公司 | 固定机构及电子装置 |
KR20170078840A (ko) * | 2014-12-19 | 2017-07-07 | 미쓰비시덴키 가부시키가이샤 | 유닛 장착 장치, 전자기기 시스템 및 유닛 장착 장치의 제조 방법 |
JP1644023S (ja) * | 2019-03-01 | 2019-10-28 | ||
JP1644022S (ja) * | 2019-03-01 | 2019-10-28 | ||
JP1644021S (ja) * | 2019-03-01 | 2019-10-28 | ||
JP1660919S (ja) * | 2019-03-01 | 2020-06-01 | ||
JP1644020S (ja) * | 2019-03-01 | 2019-10-28 | ||
JP1674243S (ja) * | 2020-04-13 | 2020-12-07 |
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2010
- 2010-07-30 KR KR1020137004249A patent/KR101412930B1/ko active IP Right Grant
- 2010-07-30 US US13/810,069 patent/US8908381B2/en active Active
- 2010-07-30 WO PCT/JP2010/062947 patent/WO2012014325A1/ja active Application Filing
- 2010-07-30 CN CN201080068335.7A patent/CN103039133B/zh active Active
- 2010-07-30 JP JP2012526267A patent/JP5583217B2/ja active Active
- 2010-07-30 DE DE112010005787.7T patent/DE112010005787B4/de active Active
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JPWO2012014325A1 (ja) | 2013-09-09 |
US8908381B2 (en) | 2014-12-09 |
JP5583217B2 (ja) | 2014-09-03 |
DE112010005787B4 (de) | 2020-06-18 |
DE112010005787T5 (de) | 2013-05-08 |
KR20130032909A (ko) | 2013-04-02 |
US20130113349A1 (en) | 2013-05-09 |
CN103039133B (zh) | 2016-04-13 |
CN103039133A (zh) | 2013-04-10 |
KR101412930B1 (ko) | 2014-06-26 |
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