JP2003037379A - Printed board connecting structure - Google Patents
Printed board connecting structureInfo
- Publication number
- JP2003037379A JP2003037379A JP2001224904A JP2001224904A JP2003037379A JP 2003037379 A JP2003037379 A JP 2003037379A JP 2001224904 A JP2001224904 A JP 2001224904A JP 2001224904 A JP2001224904 A JP 2001224904A JP 2003037379 A JP2003037379 A JP 2003037379A
- Authority
- JP
- Japan
- Prior art keywords
- backboard
- printed circuit
- circuit board
- connectors
- printed board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は電子機器、通信機器
等の電装部を構成するバックボード側のコネクタに対し
てプリント基板を接続する構造の改良に関し、特にバッ
クボード側コネクタとプリント基板側コネクタとの間の
接続不良と、それに起因した不具合を解決できるプリン
ト基板の接続構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a structure for connecting a printed circuit board to a connector on a backboard side which constitutes an electric equipment part of electronic equipment, communication equipment and the like, and more particularly to a backboard side connector and a printed board side connector. The present invention relates to a connection structure of a printed circuit board capable of solving a connection failure between the connection board and the connection and a defect caused by the connection failure.
【０００２】[0002]
【従来の技術】電子機器、通信機器の電装部は、一般
に、電源線、アース線、信号線などの配線を備えたバッ
クボードのボード面に配置したコネクタに対して、奥端
縁にコネクタを備えたプリント基板を接続した構成を備
えている。各プリント基板は、バックボード面に対して
直交した状態で接続され、各プリント基板は所定の間隔
を隔てて並行に保持される。バックボード側の各コネク
タ内には、バックボード側に設けた各電源線、アース
線、信号線に対応した電源端子、アース端子、信号端子
が隣接配置されている。また、バックボード側コネクタ
と接続されるプリント基板側のコネクタ内には、プリン
ト基板上に形成した電源線、アース線、信号線の各配線
パターンと接続された電源端子、アース端子、信号端子
が隣接配置されている。プリント基板をバックボードに
対して着脱する際に、対向する２つのコネクタ内の各端
子間の挿抜を同時に行うべき構成を採用すると、プリン
ト基板がわずかでも傾いた状態で着脱された時に、電源
端子間の断続、及びアース端子間の断続が完了しない状
態で信号線の断続が行われて、バックボード上の信号線
にノイズが乗り、既接続の他のプリント基板回路に悪影
響を及ぼすといった不具合があった。2. Description of the Related Art In general, the electrical components of electronic equipment and communication equipment have a connector at the inner edge of a connector arranged on the board surface of a backboard provided with wiring such as power lines, ground lines and signal lines. It has a configuration in which the provided printed circuit board is connected. The printed circuit boards are connected in a state orthogonal to the backboard surface, and the printed circuit boards are held in parallel at a predetermined interval. Inside each connector on the backboard side, each power supply line provided on the backboard side, a ground line, a power supply terminal corresponding to the signal line, a ground terminal, and a signal terminal are arranged adjacent to each other. In addition, inside the connector on the printed circuit board side that is connected to the backboard side connector, there are a power supply terminal, a ground terminal, and a signal terminal that are connected to each wiring pattern of the power supply line, ground line, and signal line formed on the printed circuit board. Adjacent to each other. When the printed circuit board is attached / detached to / from the backboard, if the structure in which the terminals in the two facing connectors are inserted / removed at the same time is adopted, when the printed circuit board is attached / detached in a slightly inclined state, the power supply terminal There is a problem that the signal line is connected and disconnected while the connection and disconnection between the ground terminals and the ground terminal are not completed, and the signal line on the backboard is noisy and adversely affects other printed circuit boards that are already connected. there were.
【０００３】このため、例えば特開昭５９−４４９３１
号公報には、各端子の先端部の位置を先後方向へずらす
ことにより、プリント基板の装着時には電源端子とアー
ス端子が先行して接続状態となり、その後信号端子が接
続状態となるように構成した技術が開示されている。し
かし、各端子間の位置ずれ量は１ｍｍ程度の微量である
ため、このように構成したとしても、プリント基板が傾
斜した状態で接続されようとする場合には、電源端子
間、或いはアース端子間の接続状態が安定しない状態で
信号端子同志の接続が行われる不具合は依然として発生
するので、万全ではない。また、同公報には、プリント
基板の手前側（コネクタとは反対側）の角隅部に、プリ
ント基板側の信号線（或いは、電源線）への通電をＯ
Ｎ、ＯＦＦするマイクロスイッチと、このマイクロスイ
ッチをＯＮ、ＯＦＦ作動させるイジェクトレバーを配置
し、プリント基板を着脱する際には事前にイジェクトレ
バーを操作してマイクロスイッチをＯＦＦにしておき、
信号線にノイズが乗ることを防止している。プリント基
板側コネクタをバックボード側コネクタと接続完了した
時点で、イジェクトレバーを操作してマイクロスイッチ
をＯＮすることにより、プリント基板上の信号線（或い
は、電源線）に信号を供給する。しかし、このようにイ
ジェクトレバー及びマイクロスイッチをプリント基板の
手前側に配置する場合には、これらの部品を搭載するス
ペース分だけ他の部品を搭載するスペースが減少してプ
リント基板上の部品実装有効面積が減少する。また、プ
リント基板の奥側端縁に位置するコネクタ内の端子から
プリント基板手前側に位置するマイクロスイッチに対し
て長い配線パターンを形成する必要があるため、無駄な
配線を形成する手数が発生するばかりでなく、この長い
配線パターンの存在がプリント基板上のレイアウト自由
度に対する障害となっている。また、イジェクトレバー
とマイクロスイッチとの間の位置調整が難しいために、
位置調整の手数が増大して生産性が低下し、また調整不
良に起因した不良品が発生し易いという問題もある。Therefore, for example, JP-A-59-44931
In the gazette, the position of the tip of each terminal is shifted in the forward and backward directions so that when the printed circuit board is mounted, the power supply terminal and the ground terminal are connected first, and then the signal terminals are connected. The technology is disclosed. However, since the amount of displacement between the terminals is as small as about 1 mm, even if configured in this way, if the printed circuit boards are to be connected in a tilted state, they may be connected between the power terminals or between the ground terminals. Since the problem that the signal terminals are connected to each other in a state where the connection state is not stable still occurs, it is not perfect. In addition, in the publication, a signal line (or a power supply line) on the printed circuit board side is energized at a corner portion on the front side (the side opposite to the connector) of the printed circuit board.
N and OFF microswitches and ejector levers to turn these microswitches ON and OFF are arranged. Before attaching or detaching the printed circuit board, operate the ejector levers to turn off the microswitches.
This prevents noise from getting on the signal line. When the printed board side connector is completely connected to the backboard side connector, the eject lever is operated to turn on the microswitch, thereby supplying a signal to the signal line (or power supply line) on the printed board. However, when the eject lever and the micro switch are arranged on the front side of the printed circuit board in this way, the space for mounting other components is reduced by the space for mounting these components, and the component mounting on the printed circuit board is effective. The area is reduced. In addition, since it is necessary to form a long wiring pattern from the terminal in the connector located on the rear side edge of the printed circuit board to the micro switch located on the front side of the printed circuit board, there is a need to form useless wiring. Not only that, the existence of this long wiring pattern is an obstacle to the freedom of layout on the printed circuit board. Also, because it is difficult to adjust the position between the eject lever and the micro switch,
There is also a problem that the number of steps for position adjustment increases, productivity decreases, and defective products are likely to occur due to misalignment.
【０００４】更に、特開平５−１９１０６７号公報に
は、各コネクタに、電源端子、アース端子、信号端子の
他に挿抜信号端子を設け、挿抜信号端子間が導通してい
る状態でのみバックボードとプリント基板間におけるバ
ス信号のやりとりを許容するバス信号制御回路を設けた
ことにより、プリント基板を追加挿抜する場合に、既挿
着プリント基板側のバス信号線のやりとりを中止せずに
プリント基板の挿抜を可能とした技術が開示されてい
る。また、コネクタ間の接続時に、アース端子、電源端
子、バス信号端子、挿抜信号端子の順序で接続が行われ
るように各端子の先端部位置を先後方向にずらしてい
る。しかし、この従来例においても、プリント基板が斜
めになった状態でバックボード側コネクタに接続された
場合には、挿抜信号端子が他の端子の接続に先立って接
続状態となることも充分に想定され、この場合には既接
続のプリント基板側の信号線にノイズが乗る事態が起き
る。Further, in JP-A-5-191067, each connector is provided with a power supply terminal, a ground terminal, a signal terminal, and an insertion / removal signal terminal, and the backboard is provided only when the insertion / removal signal terminals are electrically connected. By providing a bus signal control circuit that allows the exchange of bus signals between the printed circuit board and the printed circuit board, the printed circuit board does not stop the communication of the bus signal line on the already mounted printed circuit board when the printed circuit board is additionally inserted and removed. The technology that enables the insertion and removal of the is disclosed. Further, when connecting the connectors, the positions of the tip portions of the respective terminals are shifted forward and backward so that the ground terminal, the power supply terminal, the bus signal terminal, and the insertion / removal signal terminal are connected in this order. However, even in this conventional example, when the printed circuit board is connected to the connector on the backboard side in a slanted state, it is fully possible that the insertion / removal signal terminal will be in a connected state prior to the connection of other terminals. In this case, noise may occur on the already connected signal line on the printed circuit board side.
【０００５】[0005]
【発明が解決しようとする課題】本発明は上記に鑑みて
なされたものであり、電子機器、通信機器等の電装部を
構成するバックボード側のコネクタに対してプリント基
板を着脱する際に、プリント基板側コネクタが正規の姿
勢で着脱されないことに起因して発生する既装着プリン
ト基板への悪影響を解決できるプリント基板の接続構造
を提供することを課題とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above, and when a printed circuit board is attached to or detached from a connector on the backboard side that constitutes an electrical component of electronic equipment, communication equipment, etc., An object of the present invention is to provide a printed circuit board connection structure capable of solving an adverse effect on an already-installed printed circuit board caused by the printed circuit board side connector not being attached / detached in a proper posture.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するた
め、請求項１の発明は、複数組のバックボードコネクタ
を備えたバックボードと、各バックボードコネクタ組に
対して接続されるプリント基板側コネクタ組を備えたプ
リント基板との接続構造であって、前記バックボードコ
ネクタとプリント基板側コネクタは、互いに接続し合う
電源端子、アース端子、信号端子を夫々備えたものにお
いて、前記バックボードコネクタ組は、前記バックボー
ド上に所定のギャップを隔てて直線状に配列された少な
くとも２つのバックボードコネクタから成り、前記プリ
ント基板側コネクタ組は、前記プリント基板の一端縁に
沿って直線状に配列された少なくとも２つのプリント基
板側コネクタから成り、前記プリント基板側コネクタ間
に位置するプリント基板端縁には、各プリント基板側コ
ネクタ内の電源端子と電源線との接続をＯＮ、ＯＦＦす
るプッシュスイッチを配置し、前記バックボードコネク
タ間には、各プリント基板側コネクタを各バックボード
コネクタと接続完了したときに、前記プッシュスイッチ
を完全にＯＮさせる作動部材が配置されていることを特
徴とする。請求項２の発明は、前記作動部材として、バ
ックボードを補強する金具を兼用したことを特徴とす
る。In order to solve the above problems, the invention of claim 1 provides a backboard having a plurality of backboard connectors, and a printed circuit board side connected to each backboard connector set. A structure for connecting to a printed circuit board having a connector set, wherein the backboard connector and the printed circuit board side connector each include a power supply terminal, a ground terminal, and a signal terminal that are connected to each other. Is composed of at least two backboard connectors linearly arranged on the backboard with a predetermined gap, and the printed board-side connector set is linearly arranged along one edge of the printed board. A printed circuit board connector comprising at least two printed circuit board side connectors A push switch for turning ON / OFF the connection between the power supply terminal and the power supply line in each printed circuit board side connector is arranged on the edge of the board, and each printed circuit board side connector is connected to each backboard connector between the backboard connectors. An operating member for completely turning on the push switch when the connection is completed is arranged. The invention of claim 2 is characterized in that the operating member also serves as a metal fitting for reinforcing the backboard.
【０００７】[0007]
【発明の実施の形態】以下、本発明を図面に示した実施
の形態により詳細に説明する。図１は本発明の接続構造
を備えた電装部の構成を示す斜視図、図２（ａ）及び
（ｂ）はその正面図である。電子機器、通信機器等の機
器本体には電装部１が設けられ、この電装部１は、奥側
に位置するバックボード２と、バックボード２の前面に
設けたコネクタに対して着脱される複数のプリント基板
１１と、を備える。バックボード２は、その前面上に設
けた上下一対のバックボードコネクタ（以下、ＢＢコネ
クタ、という）３ａ、３ｂから成るバックボードコネク
タ組（ＢＢコネクタ組）３と、各コネクタ３ａ、３ｂ内
に位置する電源端子４、アース端子５、及び信号端子６
と、バックボード上に形成され各端子４、５、６と接続
された電源線４ａ、アース線５ａ、信号線６ａと、上下
位置関係にあるＢＢコネクタ３ａ、３ｂ間のギャップ内
に位置する突起である作動部材７と、を有する。作動部
材７としては、例えば各ＢＢコネクタ組３内のギャップ
内に跨って貫通配置されたバックボード補強用の金具を
兼用してもよい。プリント基板１１の奥側端縁には、上
下一対のＢＢコネクタ３ａ、３ｂと一対一で接続される
上下一対のプリント基板側コネクタ（以下、ＰＢコネク
タ、という）１２ａ、１２ｂが複数組配置されている。
各一対のＰＢコネクタ１２ａ、１２ｂは、各ＰＢコネク
タ組１２を構成している。各ＰＢコネクタ１２ａ、１２
ｂ内には、前記電源端子４、アース端子５、信号端子６
と夫々一対一にて接続される電源端子１４、アース端子
１５、信号端子１６が配置される。電源端子１４、アー
ス端子１５、信号端子１６は、プリント基板１１上の電
源線１４ａ、アース線１５ａ、信号線１６ａと接続され
ている。また、所定の間隔を隔てて上下位置関係で隣接
配置されたＰＢコネクタ１２ａ、１２ｂ間には、バック
ボード上の作動部材７と対応する位置関係でプッシュス
イッチ１７が固定されている。BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the embodiments shown in the drawings. FIG. 1 is a perspective view showing a configuration of an electrical equipment section having a connection structure of the present invention, and FIGS. 2 (a) and 2 (b) are front views thereof. An electronic component unit 1 is provided in a device body such as an electronic device or a communication device. The electrical component unit 1 is attached to and detached from a backboard 2 located on the back side and a connector provided on the front surface of the backboard 2. Printed circuit board 11 of. The backboard 2 includes a backboard connector set (BB connector set) 3 including a pair of upper and lower backboard connectors (hereinafter referred to as BB connectors) 3a and 3b provided on the front surface thereof, and is located in each connector 3a and 3b. Power terminal 4, ground terminal 5, and signal terminal 6
And a protrusion formed on the backboard and located in the gap between the power supply line 4a, the ground line 5a, the signal line 6a connected to the terminals 4, 5, and 6 and the BB connectors 3a and 3b, which are in a vertical position. And the operating member 7 which is As the operating member 7, for example, a backboard reinforcing metal fitting penetratingly arranged across the gap in each BB connector set 3 may also be used. A plurality of pairs of upper and lower printed circuit board-side connectors (hereinafter, referred to as PB connectors) 12a and 12b, which are connected to the upper and lower pair of BB connectors 3a and 3b in a one-to-one relationship, are arranged at the inner edge of the printed circuit board 11. There is.
Each pair of PB connectors 12a and 12b constitutes each PB connector set 12. Each PB connector 12a, 12
In b, the power supply terminal 4, the ground terminal 5, and the signal terminal 6 are provided.
A power supply terminal 14, a ground terminal 15, and a signal terminal 16 which are connected to each other one by one are arranged. The power supply terminal 14, the ground terminal 15, and the signal terminal 16 are connected to the power supply line 14a, the ground line 15a, and the signal line 16a on the printed board 11. In addition, a push switch 17 is fixed between the PB connectors 12a and 12b which are arranged adjacent to each other in a vertical positional relationship with a predetermined interval therebetween, in a positional relationship corresponding to the operating member 7 on the backboard.
【０００８】プッシュスイッチ１７は、プリント基板１
１をバックボード上の所定位置に装着することによっ
て、ＰＢコネクタ１２ａ、１２ｂが、ＢＢコネクタ３
ａ、３ｂと正規に接続完了した時にだけ作動部材７によ
って押し込まれてＯＮするように、その位置関係、突出
量等が構成されている。プッシュスイッチ１７は、プリ
ント基板１１上の電源線１４ａを接続、或いは遮断する
スイッチであり、作動部材７によって完全に押圧されて
ＯＮしたときに電源線１４ａを完全な接続状態にするこ
とができるので、電源線の接続不良に起因した既接続プ
リント基板へのノイズの重畳を防止できる。尚、本発明
において使用するＢＢコネクタ３ａ、３ｂ内の各端子
４、５、６と、ＰＢコネクタ１２ａ、１２ｂ内の各端子
１４、１５、１６は、同一の位置に並列配置してもよい
し、或いは電源端子４、１４、或いはアース端子５、１
５を他の端子より突出させるようにしてもよい。The push switch 17 is a printed circuit board 1
1 is mounted at a predetermined position on the backboard so that the PB connectors 12a and 12b can be connected to the BB connector 3
The positional relationship, the amount of protrusion, and the like are configured so that it is pushed in by the actuating member 7 and turned on only when the connection with a and 3b is properly completed. The push switch 17 is a switch for connecting or disconnecting the power supply line 14a on the printed circuit board 11, and when the push switch 17 is completely pressed by the operating member 7 and turned on, the power supply line 14a can be completely connected. It is possible to prevent the noise from being superimposed on the already-connected printed circuit board due to the poor connection of the power supply line. The terminals 4, 5, 6 in the BB connectors 3a, 3b and the terminals 14, 15, 16 in the PB connectors 12a, 12b used in the present invention may be arranged in parallel at the same position. , Or power terminals 4, 14 or ground terminals 5, 1
5 may be projected from other terminals.
【０００９】[0009]
【発明の効果】以上のように本発明によれば、電子機
器、通信機器等の電装部を構成するバックボード側のコ
ネクタに対してプリント基板を着脱する際に、プリント
基板側コネクタが正規の姿勢で着脱されないことに起因
して発生する既装着プリント基板への悪影響を解決でき
るプリント基板の接続構造を提供することができる。As described above, according to the present invention, when the printed circuit board is attached to or detached from the connector on the backboard side which constitutes the electrical equipment of the electronic equipment, communication equipment, etc. It is possible to provide a printed circuit board connection structure capable of solving an adverse effect on an already-installed printed circuit board caused by the fact that the printed circuit board is not attached or detached in a posture.
【図１】本発明の接続構造を備えた電装部の構成を示す
斜視図。FIG. 1 is a perspective view showing a configuration of an electrical component section having a connection structure of the present invention.
【図２】（ａ）及び（ｂ）は図１の電装部の要部正面
図。2 (a) and 2 (b) are front views of the essential parts of the electrical component section of FIG.
１ 電装部、２ バックボード、３ バックボードコネ
クタ組、３ａ、３ｂ バックボードコネクタ、４ 電源
端子、４ａ 電源線、５ アース端子、５ａ アース
線、６ 信号端子、６ａ 信号線、７ 作動部材、１１
プリント基板、１２ プリント基板側コネクタ組、１
２ａ、１２ｂ プリント基板側コネクタ、１４ 電源端
子、１４ａ 電源線、１５ アース端子、１５ａ アー
ス線、１６信号端子、１６ａ 信号線、１７ プッシュ
スイッチ。1 electrical component part, 2 backboard, 3 backboard connector group, 3a, 3b backboard connector, 4 power supply terminal, 4a power supply wire, 5 ground terminal, 5a ground wire, 6 signal terminal, 6a signal wire, 7 actuating member, 11
Printed circuit board, 12 Printed circuit board side connector assembly, 1
2a, 12b Printed circuit board side connector, 14 power supply terminal, 14a power supply wire, 15 ground terminal, 15a ground wire, 16 signal terminal, 16a signal wire, 17 push switch.
Claims (2)
バックボードと、各バックボードコネクタ組に対して接
続されるプリント基板側コネクタ組を備えたプリント基
板との接続構造であって、前記バックボードコネクタと
プリント基板側コネクタは、互いに接続し合う電源端
子、アース端子、信号端子を夫々備えたものにおいて、 前記バックボードコネクタ組は、前記バックボード上に
所定のギャップを隔てて直線状に配列された少なくとも
２つのバックボードコネクタから成り、 前記プリント基板側コネクタ組は、前記プリント基板の
一端縁に沿って直線状に配列された少なくとも２つのプ
リント基板側コネクタから成り、 前記プリント基板側コネクタ間に位置するプリント基板
端縁には、各プリント基板側コネクタ内の電源端子と電
源線との接続をＯＮ、ＯＦＦするプッシュスイッチを配
置し、 前記バックボードコネクタ間には、各プリント基板側コ
ネクタを各バックボードコネクタと接続完了したとき
に、前記プッシュスイッチを完全にＯＮさせる作動部材
が配置されていることを特徴とするプリント基板の接続
構造。1. A connection structure of a backboard having a plurality of sets of backboard connectors and a printed circuit board having a printed circuit board-side connector set connected to each of the backboard connector sets. The connector and the printed circuit board-side connector each include a power terminal, a ground terminal, and a signal terminal that are connected to each other, and the backboard connector set is linearly arranged on the backboard with a predetermined gap. And at least two backboard connectors, wherein the printed circuit board-side connector set includes at least two printed circuit board-side connectors linearly arranged along one edge of the printed circuit board, and between the printed circuit board-side connectors. At the edge of the printed circuit board, which is located, A push switch that turns on and off the connection with the wire is arranged, and an operating member that completely turns on the push switch when the printed board side connectors are completely connected to the backboard connectors between the backboard connectors. A connection structure for a printed circuit board, wherein:
強する金具を兼用したことを特徴とする請求項１に記載
のプリント基板の接続構造。2. The printed circuit board connection structure according to claim 1, wherein the actuating member also serves as a metal fitting for reinforcing the backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001224904A JP2003037379A (en) | 2001-07-25 | 2001-07-25 | Printed board connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001224904A JP2003037379A (en) | 2001-07-25 | 2001-07-25 | Printed board connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003037379A true JP2003037379A (en) | 2003-02-07 |
Family
ID=19057987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001224904A Pending JP2003037379A (en) | 2001-07-25 | 2001-07-25 | Printed board connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003037379A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984599A (en) * | 2010-11-01 | 2011-03-09 | 华为技术有限公司 | Backplane, communication equipment and communication systems |
| KR101090064B1 (en) * | 2006-10-31 | 2011-12-07 | 삼성전자주식회사 | Electronic Apparatus |
| US9733273B2 (en) | 2015-01-09 | 2017-08-15 | Renesas Semiconductor Package & Test Solutions Co., Ltd. | Testing method for semiconductor manufacturing equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05251882A (en) * | 1992-03-04 | 1993-09-28 | Hitachi Ltd | Connection/disconnection of active plug of logical module |
| JPH0951185A (en) * | 1995-08-08 | 1997-02-18 | Fujitsu Ltd | Mounting construction for printed-circuit board |
-
2001
- 2001-07-25 JP JP2001224904A patent/JP2003037379A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05251882A (en) * | 1992-03-04 | 1993-09-28 | Hitachi Ltd | Connection/disconnection of active plug of logical module |
| JPH0951185A (en) * | 1995-08-08 | 1997-02-18 | Fujitsu Ltd | Mounting construction for printed-circuit board |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101090064B1 (en) * | 2006-10-31 | 2011-12-07 | 삼성전자주식회사 | Electronic Apparatus |
| CN101984599A (en) * | 2010-11-01 | 2011-03-09 | 华为技术有限公司 | Backplane, communication equipment and communication systems |
| WO2011137828A1 (en) * | 2010-11-01 | 2011-11-10 | 华为技术有限公司 | Back plate, communication device and communication system |
| US8861222B2 (en) | 2010-11-01 | 2014-10-14 | Huawei Technologies Co., Ltd. | Backplane, communication device and communication system |
| US9733273B2 (en) | 2015-01-09 | 2017-08-15 | Renesas Semiconductor Package & Test Solutions Co., Ltd. | Testing method for semiconductor manufacturing equipment |
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