JPS5922119A - Signal connecting device - Google Patents
Signal connecting deviceInfo
- Publication number
- JPS5922119A JPS5922119A JP57130714A JP13071482A JPS5922119A JP S5922119 A JPS5922119 A JP S5922119A JP 57130714 A JP57130714 A JP 57130714A JP 13071482 A JP13071482 A JP 13071482A JP S5922119 A JPS5922119 A JP S5922119A
- Authority
- JP
- Japan
- Prior art keywords
- control device
- signal
- circuit
- external device
- signal line
- 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.)
- Granted
Links
Landscapes
- Logic Circuits (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
Description
【発明の詳細な説明】
この発り」は制ｔ［１１装置と外部装置の間の信すを接
続する装置の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION This invention relates to an improvement in a device for connecting signals between a control device and an external device.
最近、ｉｌ＋ｌ」御装置、特にエレベータのｆｌｉｌＪ
御装置に、マイクロコンピュータを中心とする低電圧の
集り【回路による制御回路が採用されるに至り、回路自
体が極めて小形になる一方、機能は増大かつ複雑化して
いる。Recently, il+l" control equipment, especially elevator flilJ
Control circuits based on low-voltage circuits centered on microcomputers have been adopted for control devices, and while the circuits themselves have become extremely small, their functions have increased and become more complex.
従来の電磁リレー回路で構成きれた制御装置は、回路動
作も目で確認でき、丑だ動作順序もリレー接点を外部か
ら強制的に制御することにより、変更したり、新たに設
定したりすることも可能である。したがって、不具合な
動作があった場合も、比較的簡単にその原因の究明、そ
の動作の再現等が可能である。With conventional control devices consisting of electromagnetic relay circuits, circuit operation can be visually confirmed, and the order of operations can be changed or newly set by forcibly controlling the relay contacts from the outside. is also possible. Therefore, even if there is a malfunction, it is relatively easy to investigate the cause and reproduce the malfunction.
しかしながら、マイクロコンピュータ等の集積回路によ
り構成された回路の内部動作の確認は、内部動作表示専
用回路を設けないと、一般に簡単ではなく、記憶装置の
内容表示装置等、専用の装置を接続して初めて可能とな
る。−土た、回路故障時における故障原因の究明には、
上記表示装置が必須であり、故障解析用に接続芒れる等
用装置も用意されるに至っている。しかし、これらの装
置は、エレベータ制御装置が動作している最中、すなわ
ちＴｄ源を生かした１寸接続することは、接続時にエレ
ベータ制御装置の動作に好１（〜くない信号を伝えるば
かりでなく、過電流、異常印力■屯圧等により、エレベ
ータ制御装置の回路自体を破壊する可能性もある。その
ため、エレベータ制御装置の電源を遮断して接続する必
袂がある。However, checking the internal operation of a circuit made up of an integrated circuit such as a microcomputer is generally not easy unless a circuit dedicated to displaying the internal operation is provided. This is possible for the first time. -In order to investigate the cause of circuit failure,
The above-mentioned display device is essential, and devices such as connection points for failure analysis are also being prepared. However, connecting these devices while the elevator control device is operating, that is, by making full use of the Td source, will only transmit signals that are not favorable to the operation of the elevator control device. In addition, there is a possibility that the circuit of the elevator control device itself may be destroyed due to overcurrent, abnormal impression force, etc. Therefore, it is necessary to cut off the power to the elevator control device and then connect it.
一方、故障解析ｔま、故障時の状態で故障機器の解析が
行われるのが望せしい。特に電源を遮断することは、回
路系統かり七ッ卜されてし甘うことから、故障原因及び
故障状態が消滅してし１つことになり、故障解析を困難
にする大きな要因となっている。On the other hand, during failure analysis, it is desirable to analyze a failed device in the state at the time of failure. In particular, cutting off the power supply is a major factor in making failure analysis difficult, since the circuit system is completely destroyed, and the cause and condition of the failure disappear. .
この発１ＪＩＪは上記不具合を改良するものて、制御装
置と外部装置を、接続回路を介して接続することにより
、制御装置の電源を遮断することなく、外部装置の接続
ができるようにした信号接続装置を提供することを目的
とする。This release 1JIJ improves the above-mentioned problem by connecting the control device and external device via a connection circuit, making it possible to connect the external device without cutting off the power supply to the control device. The purpose is to provide equipment.
以下、第１図及び第２図によりこの発明の一実施例を説
明する。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.
第１図中、（１，）ｉ−、ｊ：マイクロコンピュータで
構成すれたエレベータ制御装置（以下制御装置という）
、（２）はその中央処理装置（以下ＣＰＵという）、（
３）幻記憶装置、（４）は呼びボタン信号、がご位置信
号。In Figure 1, (1,) i-, j: Elevator control device (hereinafter referred to as control device) composed of a microcomputer
, (2) is its central processing unit (hereinafter referred to as CPU), (
3) Phantom memory device, (4) is a call button signal, and a cage position signal.
駆動回路への制御信号等エレベータ制御に必要な人出力
信号を授受する出入力装置、（５）はＣＰＵ（２）。An input/output device (5) is a CPU (2) that sends and receives human output signals necessary for elevator control such as control signals to a drive circuit.
記憶装置（３）及び入出力装置（４）を接続する信号線
、（６）はＣＰＵ（２）、記憶装置（３）及び入出力装
置（４）に接続された電源、（７）は信号線（５）に接
続され電源（６）の供給の有無によって動作する接続回
路、（８）は接続回路（７）に電源（６）を供給したり
遮断したりするスイッチからなる電源開閉装置、（９）
は制御装置（１）とは別に設けられ制御装置（１）の内
部の動作を表示する監視装置からなる外部装置、０りは
接続回路（７）と外部Ｈ眞（９）を接続する信号ケーブ
ルである。Signal line connecting storage device (3) and input/output device (4), (6) is power supply connected to CPU (2), storage device (3) and input/output device (4), (7) is signal line A connection circuit that is connected to the line (5) and operates depending on the presence or absence of power supply (6); (8) is a power switch device consisting of a switch that supplies or cuts off the power supply (6) to the connection circuit (7); (9)
0 is an external device that is provided separately from the control device (1) and consists of a monitoring device that displays the internal operation of the control device (1), and 0 is a signal cable that connects the connection circuit (7) and the external H-line (9). It is.
第２図中、（５ａ）は信号線（５）の内ＣＰ Ｕ（２）
からの信号を出力する出力信号線、（５ｂ）は同じく信
号を人力する人力信号線、（７Ａ）は出力信号線（５ａ
）に接続きれベース抵抗■≧、、Ｒ２，ＰＮＰ）ランジ
スタ゛Ｊ’ｌ及びＮＰＮ）ランジスタＴ２からなる出力
発信回路、（′７Ｂ）は入力信号線（ｂｂ）に接続さｔ
しベース抵抗Ｒ３，、Ｒ４゜Ｐｌ（Ｐ）ランジスタＴ、
゛５及びＮＰＮ）ランジスタＴ４からなる入力受信回路
、（ｌＯａ）は信号ケーブル０（やの内出力発信回路（
７Ａ）に接続づれた出力信号ケーブル、（ｘｏｂ）は同
じく入力受信回路（７Ｂ）に接続をれた入力信号ケーブ
ル、（ｌｌａ）ｉＪ：出力信号線（５ａ）と電源（６）
の間に接続爆れた終端抵抗、（１ｌｂ）は同じく入力信
号線（５ｂ）に接続された終端抵抗である。In Figure 2, (5a) is the CPU (2) of the signal line (5).
The output signal line (5b) is the human signal line that outputs the signal manually, (7A) is the output signal line (5a)
) is connected to the base resistor■≧,, R2, PNP) transistor J'l and NPN) transistor T2 are connected to the output transmission circuit, ('7B) is connected to the input signal line (bb).
and base resistance R3,, R4゜Pl(P) transistor T,
゛5 and NPN) Input receiving circuit consisting of transistor T4, (lOa) signal cable 0 (Yanouchi output transmitting circuit (
7A), (xob) is the input signal cable also connected to the input receiving circuit (7B), (lla) iJ: output signal line (5a) and power supply (6)
The terminating resistor (1lb) connected in between is the terminating resistor also connected to the input signal line (5b).
なお、トランジスタＴＩ、Ｔ３のエミツタは、共に電源
開閉装置（８）を介して′電源（６）に接続されている
。The emitters of the transistors TI and T3 are both connected to a power source (6) via a power switch (8).
また、出力信号ケーブル（ｌｏａ）及び人力信号ケーブ
ル（１０ｂ） ｌ’ｉ：外部装置（９）内で、出力信号
線（５ａ）及び入力信号線（ｂｂ）と同様に、終端抵抗
（図示しない）を介して外部装置（９）の電源に接続を
れている０
次に、この実施例の動作を説明する。In addition, the output signal cable (LOA) and the human power signal cable (10b) l'i: In the external device (9), similarly to the output signal line (5a) and the input signal line (BB), a terminating resistor (not shown) The operation of this embodiment will now be described.
通常、制御装置（１）は、かご呼び１乗場呼び、かご位
置等のｌ ＋’ｉ報を入出力装＠（４〕から人力し、信
号線（５）を介してＣＩ）Ｕｔ２＋で記憶装置Ｎ （３
）に記１．建芒ｔ１．ているテークとの比較演算等の処
理を行い、その結果を記憶装置ｋ（３）に記・隠芒せた
り、入出力装置、（４）からエレベータ駆動制御装置（
図示しない）へ速度指令信号、かご位置表示信号、呼び
Ｍ録表７Ｊ’＜信号等を出力したりする。これらの信号
により、エレベ−夕の運転が制御される。このとき、電
源開閉装置（８）は開放されており、接続回路（７）に
は電源（６）は供給されず、接続回路（７）は信号線（
５）に対して、何らの信号も出力しない状態にある。Normally, the control device (1) manually inputs l +'i information such as car call 1 landing call and car position from the input/output device @ (4), and stores it in CI) Ut2+ via the signal line (5). N (3
) 1. Construction t1. It performs processing such as comparison calculations with the current take, records and hides the results in the storage device k (3), and transfers the results from the input/output device (4) to the elevator drive control device (
(not shown), a speed command signal, a car position display signal, a call M record table 7J'< signal, etc. are output. These signals control the operation of the elevator. At this time, the power switchgear (8) is open, the power (6) is not supplied to the connection circuit (7), and the connection circuit (7) is connected to the signal line (
5), it is in a state where it does not output any signal.
ここで、制御装置ｉ￥（１）の内部動作を監視するため
、外部装置（９）が信号ケーブル００によって接続回路
（７）に接続をれたとする。このとき、接続回路（７）
は上述のような状態にあるので、信号線（５）の信号が
信号ケーブルＯＱへ出力されることはなく、信号ケーブ
ルθＱの信号が信号線（５）へ入力芒れることもない。Here, it is assumed that an external device (9) is connected to the connection circuit (7) via a signal cable 00 in order to monitor the internal operation of the control device i (1). At this time, connection circuit (7)
is in the above-mentioned state, the signal on the signal line (5) is not output to the signal cable OQ, and the signal on the signal cable θQ is not input to the signal line (5).
ここで、ｊｌＬ源開閉装置（８）を閉成したとする。今
信号線（５）−Ｈの電位が電源（６）の電圧付近の高電
位にあるときを無意レベル、零ボルト付近の低電位にあ
るときを有意レベルとすると、出力信号線（５ａ）が有
意レベル町あるときは、ベース抵抗Ｒ１に電流が流れ、
トランジスタＴ１は導通してベース抵抗Ｒ２に市？Ｉｎ
が流れ込み、トランジスタＴ２も導通１〜て出力信号ケ
ーブル（ｌｏａ） ｌ−ｊ有意レベルとなる。Here, it is assumed that the jlL source switching device (8) is closed. Now, if the potential of the signal line (5)-H is at a high potential near the voltage of the power supply (6) as an unreasonable level, and when it is at a low potential near zero volts as a significant level, then the output signal line (5a) When there is a significant level, current flows through the base resistor R1,
Is transistor T1 conductive and connected to base resistor R2? In
flows in, and the transistor T2 also becomes conductive, so that the output signal cable (LOA) l-j becomes a significant level.
才だ、出力信号線（５ａ）が無意レベルのときは、ベー
ス抵抗Ｒ１にＶま′電流が光れす、トランジスタ′Ｊ゛
１は不導通となってベース抵抗Ｒ２にも電流が流れず、
トランジスタＴ２も不導通となって出力信号ケーブル（
１０ａ）は無意レベルとなる。−力、入力信号ケーブル
（１ｏｂ）が有意レベルにあるときＱ」、ベース抵抗■
秘に電流が流れ、トランジスタＴ３は導通してベース抵
抗Ｒ４に′電流が流れ込み、トランジスタＴ４も導通し
て入力信号線（５ｂ）Ｉ：ｉ有意レベルとなる。捷／こ
、人力信号ケーブル（］、Ｏｂ）が無意レベルのとき（
」、ベース抵抗Ｒ３には電流か流れず、トランジスタＴ
３は不導通となってベース抵抗Ｒ４にも電流か流れず、
トランジスタＴ４も不導通となって入力４ｇ ＠ 瑯（
５ｂ）は無意レベルとなる。When the output signal line (5a) is at an unexpected level, a V current flows through the base resistor R1, the transistor J1 becomes non-conductive, and no current flows through the base resistor R2.
Transistor T2 also becomes non-conductive and the output signal cable (
10a) becomes an insignificant level. - power, when the input signal cable (1ob) is at a significant level Q'', base resistance■
A current secretly flows, transistor T3 becomes conductive, and current flows into base resistor R4, transistor T4 also becomes conductive, and input signal line (5b) I:i reaches a significant level. When the human power signal cable (], Ob) is at an unexpected level (
”, no current flows through the base resistor R3, and the transistor T
3 becomes non-conductive and no current flows through the base resistor R4.
Transistor T4 also becomes non-conductive and input 4g @ 瑯(
5b) becomes an inconsequential level.
このようＫして、接続回路（７）を通して（ｉ＋５線（
５）と外部装置、９）間に信号の授受が行われ、外部装
置（９）で開側１装置（１）内の動作を監視することが
できる０ｔＩｉ源開閉装置胤（８）を開放すれば、初期
状態に戻り、上記信号の授受は行われなくなる。そして
、この状態で外部装置（９）が取り外されることになる
。In this way, connect the connection circuit (7) to (i+5 wire (
5) and an external device, and 9). Signals are exchanged between the external device (9) and the operation inside the open side 1 device (1) can be monitored by opening the source switchgear (8). For example, it returns to the initial state and the above-mentioned signal transmission and reception is no longer performed. Then, in this state, the external device (9) is removed.
第３図はこの発明の他の実施例を示す。FIG. 3 shows another embodiment of the invention.
図中、（７ンは制御装置（１）とは別に設けられイ」号
ケーグルＱ（ｊで接続芒れた接続回路、ｌ１３ｉは外部
装置（９）の主機能を果たす処理回路、（１４）は電源
、１１５） Ｖｉ ’＋’Ｆｔ源（１４）が供給されて
から処理回路曽の動作がイ准立する壕でｉＩｉ田力を発
せず、動作が確立すると出力を発する検出回路、（１６
）は検出回路（１６）の出力で付勢され０検出リレーで
、（１６ａ）はその常開接点である。In the figure, (7) is a connection circuit provided separately from the control device (1). is the power supply, 115) Vi '+' Ft source (14) is supplied and the operation of the processing circuit is established.
) is a zero detection relay energized by the output of the detection circuit (16), and (16a) is its normally open contact.
上記以外は第１図及び第２図と同様である。Other than the above, the configuration is the same as in FIGS. 1 and 2.
今、制御装置（１）の動作中に、外部装置（９）を接続
するため接続回路（７）に接続芒れた信号ケーブル（Ｉ
ｔＪが、制御装置（１）内の信号線（５）に接続きれた
とする。Now, while the control device (1) is operating, a signal cable (I) is connected to the connection circuit (7) to connect the external device (9).
Assume that tJ is successfully connected to the signal line (5) in the control device (1).
このとき、接点（’１６ａ）は開放しているため、接続
回路（７）には電源（１４） ＆ｊ、接続芒れす、制御
装置（１）の１ａ号線（５）は何ら影響を受けない。At this time, since the contact ('16a) is open, the power supply (14) &j, the connection socket, and line 1a (5) of the control device (1) are not affected in any way by the connection circuit (7). .
次に１′市諒（１４）が供給烙？Ｌると、処理回路（１
４は動作を開始し、この動作が確立すると、検出回路（
１５）は出力を発し、検出リレー０６）はトノ勢ｉ１Ｌ
、接点（１６ａ）は閉成する。これで、電源（１燭は接
点（１６ａ）を介して接ｐ＋ｊｔ回蹟（７）Ｋ供給芒れ
、制御装置（１）と外部装置＾“、（Ｌりの間に１ａ号
の政党が行われる。この１ａ号仏込ｔ」１、処理回路１
１３．１の動作が停止するか、異幇動作で検出回路（１
６）による検出リレーｊ６）が消勢σれるか、又は電源
−の出力が断たり、るかしない限り継続８ｔＬる。すな
わち、外部装置（９）内の動作が止常のときだけ、制御
装置（１）内のイコ号線（５）と外部・ｋ１渓（９）が
自動的に接続され、外部装置（９）の′電源投入時等の
動作が不安定な状態では、接続きれないようになってい
る。Next, 1' Ichiryo (14) is the supplier? When L, the processing circuit (1
4 starts operation, and once this operation is established, the detection circuit (
15) emits an output, and detection relay 06) outputs the output signal i1L.
, the contact (16a) is closed. Now, the power supply (1 lamp is connected through the contact (16a), P + JT circuit (7) K supply, the control device (1) and the external device ^", (between L, party No. 1a is connected) This No. 1a Buddha included 1, processing circuit 1
13.1 operation stops or abnormal operation causes detection circuit (1
The detection relay j6) continues for 8tL unless the detection relay j6) is deenergized or the output of the power supply is cut off. In other words, only when the operation in the external device (9) is stopped, the equal line (5) in the control device (1) and the external/k1 channel (9) are automatically connected, and the external device (9) is connected automatically. 'If the operation is unstable, such as when the power is turned on, the connection will not be established.
なお、・氾３図では、接続回路（７）への南、源ｆｉｔ
）の供給制御を検出リレー０６）により行っているが、
トランジスタ等のスイッナング回路によって構成しても
よい。In addition, in the flood diagram 3, the south to the connection circuit (7), the source fit
) is controlled by the detection relay 06).
It may also be configured by a switching circuit such as a transistor.
上記各実施例は、エレベータ制御装置（１）について説
明したが、エスカレータ制御装置、その他制御装置一般
に通用できることは明白である。Although the above embodiments have been described with respect to the elevator control device (1), it is clear that the present invention can be applied to escalator control devices and other control devices in general.
以−１−６見１月し７たと訃りこの売時Ｊでは、！ｔｉ
ｌｌ悄１ｊ装置ｌＴの信号線と、これに接続される外部
装置ａとの間に法統回路を接続し、これに電源開閉装置
によって電源を供給して、」−記信号線と外部装置の間
に信号を授受させたり、電源を遮断（〜で上記１Ｊ号の
」プ受１ｊｆ：１１１４止したりするようにしたので、
制御装置が動作中でも、その動作に悪影響を及ばずこと
なく、外部装置を接続することができ、運転状態の測定
。I-1-6 saw it in January and died at 7 J. Ti
A legal circuit is connected between the signal line of the device IT and the external device a connected to it, and power is supplied to it by the power switch, so that the connection between the signal line and the external device is I made it possible to send and receive signals to the terminal, and to cut off the power supply (stop the above 1J's 1jf: 1114 at ~).
Even when the control device is in operation, external devices can be connected to it without adversely affecting its operation, and the operating status can be measured.
故障原因の究８１４等が容易にできる。Investigating the cause of failure 814, etc. can be done easily.
まだ、外部装置の動作が確立したとき、自動的Ｖこ１ｊ
ｉｌｌ ？ａｌ装置と外部装置間の４６号の授受を可能
にするようにしたので、人為的な手間を省くことができ
る。However, when the operation of the external device is established, V
ill? Since it is possible to exchange No. 46 between the al device and the external device, manual effort can be saved.
第１図はこの発明による信号接続装置の一実施例を示す
フロック回路図、第２図は第１図の接続回路部分の詳細
回路図、第３図はこの発明の他の実施例を示すフロック
回路図である。
（］）・・制御装置、（２）・・ＣＰ Ｕ 、 （３）
記憶装置、（４）・人ｄ」刃装置、（５）信号線、
（６）・・電源、（７） 接続回路、（８し・電源開
閉装置、（９）・外部装置、（Ｊｆ）・信号ケーブル
なお、図中同一部分は同一符号により示す。
代理人 葛野信 −（外１名〕
■
１−−一−−−−−−−−−−−−−−−−−−−−−
−−−−）＝１５０FIG. 1 is a block circuit diagram showing one embodiment of the signal connection device according to the present invention, FIG. 2 is a detailed circuit diagram of the connection circuit portion of FIG. 1, and FIG. 3 is a block diagram showing another embodiment of the invention. It is a circuit diagram. (])...control device, (2)...CPU, (3)
Storage device, (4)・Human d” blade device, (5) Signal line,
(6) Power supply, (7) Connection circuit, (8) Power switchgear, (9) External device, (Jf) Signal cable. In addition, the same parts in the diagram are indicated by the same symbols. Agent Makoto Kazuno −(1 other person) ■ １−−１−−−−−−−−−−−−−−−−−−−−−
-----)=150
Claims (4)
装置に外部装置を着脱可能に接続し、この外部装置と上
記制御装置の間に上記制御装置の動作状態に応じた制御
信号を授受させるようにしたものにおいて、上記制御装
置の信号線と上記外部装置にそれぞれ接続され電源か供
給芒れると上記制御信号を授受させ上記電源が遮断され
ると上記制御信号の授受を阻止する接続回路、及びこの
接続回路に上記電源を供給したり遮断したりする電源開
閉装置を備えたことを特徴とする信号接続装置。(1) An external device is removably connected to a control device having a control device and a signal line connected to the control device, and control signals are exchanged between the external device and the control device according to the operating state of the control device. A connection circuit is connected to the signal line of the control device and the external device, and transmits and receives the control signal when the power supply is turned on, and prevents the transmission and reception of the control signal when the power supply is cut off. , and a power switching device for supplying or cutting off the power to the connection circuit.
範囲第１項記載の信号接続装置。(2) The signal connection device according to claim 1, wherein the control device is constituted by an electronic computer.
た特許請求の範囲第１項記載の信号接続装置。(3) The signal connection device according to claim 1, wherein the connection circuit is configured to be detachable from the control device.
装置に外部装置を着脱可能に接続し、この外部装置と上
記制御装置の間に上記制御装置の動作状態に応じた制御
信号を授受させるようにしたものにおいて、上記制御装
置の信号線と上ｎｅ外部装置にそれぞれ接続きれ電源が
供給されると上記制御信号を授受させ上記電源が遮断き
れるとに記制御信号の授受を阻止する接続回路、上記外
部装置に設けられその動作が確立したことを検出する検
出回路、及びこの検出回路が動作しない間は、に記接続
回路に上記電源を供給せず上記検出回路が動作すると上
記接続回路に上記電源を供給する電源開閉装置を偏えた
ことを４）便とする信号接続装置。(4) An external device is removably connected to a control device having a signal line connected to the control device, and a control signal is transmitted between the external device and the control device according to the operating state of the control device. When the signal line of the control device and the external device are connected and power is supplied, the control signal is transmitted and received, and when the power supply is cut off, the control signal is prevented from being transmitted and received. A connection circuit, a detection circuit provided in the external device to detect that its operation has been established, and while this detection circuit is not operating, the power is not supplied to the connection circuit, and when the detection circuit operates, the connection is 4) A signal connection device that facilitates the biasing of the power switchgear that supplies the power to the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57130714A JPS5922119A (en) | 1982-07-27 | 1982-07-27 | Signal connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57130714A JPS5922119A (en) | 1982-07-27 | 1982-07-27 | Signal connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5922119A true JPS5922119A (en) | 1984-02-04 |
| JPH0133417B2 JPH0133417B2 (en) | 1989-07-13 |
Family
ID=15040861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57130714A Granted JPS5922119A (en) | 1982-07-27 | 1982-07-27 | Signal connecting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5922119A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49102252A (en) * | 1973-02-02 | 1974-09-27 | ||
| JPS50133738A (en) * | 1974-04-08 | 1975-10-23 | ||
| JPS536883A (en) * | 1976-07-09 | 1978-01-21 | Yokogawa Electric Works Ltd | Printed circuit board unit |
| JPS5312240A (en) * | 1976-07-21 | 1978-02-03 | Hitachi Ltd | Cut-off system of faulty terminal unit |
| JPS5478935A (en) * | 1977-12-06 | 1979-06-23 | Fujitsu Ltd | Bus control system |
| JPS5511418A (en) * | 1978-07-07 | 1980-01-26 | Hitachi Ltd | Test operating apparatus of elevator |
| JPS5742432U (en) * | 1980-08-18 | 1982-03-08 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5348950A (en) * | 1976-10-18 | 1978-05-02 | Mitsui Shipbuilding Eng | Starting method of consumable nozzle electroslag welding and consumable nozzle therefor |
-
1982
- 1982-07-27 JP JP57130714A patent/JPS5922119A/en active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49102252A (en) * | 1973-02-02 | 1974-09-27 | ||
| JPS50133738A (en) * | 1974-04-08 | 1975-10-23 | ||
| JPS536883A (en) * | 1976-07-09 | 1978-01-21 | Yokogawa Electric Works Ltd | Printed circuit board unit |
| JPS5312240A (en) * | 1976-07-21 | 1978-02-03 | Hitachi Ltd | Cut-off system of faulty terminal unit |
| JPS5478935A (en) * | 1977-12-06 | 1979-06-23 | Fujitsu Ltd | Bus control system |
| JPS5511418A (en) * | 1978-07-07 | 1980-01-26 | Hitachi Ltd | Test operating apparatus of elevator |
| JPS5742432U (en) * | 1980-08-18 | 1982-03-08 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0133417B2 (en) | 1989-07-13 |
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