JPH0668935A - Method for protecting from erroneous connection - Google Patents
Method for protecting from erroneous connectionInfo
- Publication number
- JPH0668935A JPH0668935A JP22372692A JP22372692A JPH0668935A JP H0668935 A JPH0668935 A JP H0668935A JP 22372692 A JP22372692 A JP 22372692A JP 22372692 A JP22372692 A JP 22372692A JP H0668935 A JPH0668935 A JP H0668935A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- connector
- discriminator
- input
- identifier
- 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
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明はコネクタの誤接続保護方
式に関し、特にケーブルの誤接続により、内部回路が破
壊されることを防止する誤接続保護方式に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an erroneous connection protection system for connectors, and more particularly to an erroneous connection protection system for preventing damage to an internal circuit due to an incorrect cable connection.
【0002】[0002]
【従来の技術】従来の誤接続保護方式において、コネク
タの誤接続の防止策は、コネクタの形状を変える。また
は誤挿入防止キーを取り付けるといった物理的な対策が
行われていた。2. Description of the Related Art In a conventional misconnection protection system, a measure for preventing misconnection of a connector is to change the shape of the connector. Alternatively, physical measures such as attaching an incorrect insertion prevention key were taken.
【0003】[0003]
【発明が解決しようとする課題】この従来の誤接続保護
方式では、コネクタ毎に誤挿入防止策付きのケーブルを
準備する必要があり、ケーブルの種類の増加により、コ
スト・アップと管理費の増加を招いていた。In this conventional erroneous connection protection system, it is necessary to prepare a cable with an erroneous insertion prevention measure for each connector, and the increase in the type of cable increases the cost and management cost. Was invited.
【0004】[0004]
【課題を解決するための手段】本発明の誤接続保護方式
は、2つの回路を接続するコネクタと、信号の送信回路
側の前記コネクタの信号ピンにコネクタを識別する識別
子信号を挿入する識別子挿入手段と、前記コネクタの信
号ピンの受信回路側に入力された送信側からの識別子信
号を判定する識別子判定手段と、コネクタからの入力信
号を遮断する信号遮断手段とを有する。SUMMARY OF THE INVENTION An erroneous connection protection system of the present invention is a connector for connecting two circuits and an identifier insertion for inserting an identifier signal for identifying the connector into a signal pin of the connector on the signal transmission circuit side. Means, identifier judging means for judging the identifier signal from the transmission side input to the receiving circuit side of the signal pin of the connector, and signal cutoff means for cutting off the input signal from the connector.
【0005】[0005]
【実施例】次に本発明について図面を参照して説明す
る。図1は本発明の一実施例を示すブロック図である。The present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of the present invention.
【0006】本実施例は、コネクタ8,9により、2つ
の装置1,2を接続する場合において、信号の送信回路
側のコネクタ8の信号ピンに、コネクタを識別する識別
子を挿入する識別子挿入手段5と、信号の受信回路側
に、コネクタより入力された送信側の識別子を判定する
識別子判定手段6と、コネクタからの入力信号を遮断す
る信号遮断手段7とを設けて構成される。In this embodiment, when the two devices 1 and 2 are connected by the connectors 8 and 9, an identifier inserting means for inserting an identifier for identifying the connector into the signal pin of the connector 8 on the signal transmission circuit side. 5, a signal receiving circuit side is provided with an identifier determining means 6 for determining the transmitting side identifier input from the connector, and a signal blocking means 7 for blocking an input signal from the connector.
【0007】次に本実施例の動作について説明する。装
置1および装置2は、それぞれ内部回路3,4を有して
おり、内部回路3の信号を内部回路4に伝達する場合を
示している。また、装置1と装置2とは、コネクタ8,
9とケーブル10で接続されており、コネクタ8および
9は、1対1でスルー接続されている。Next, the operation of this embodiment will be described. The device 1 and the device 2 respectively have internal circuits 3 and 4, and show the case where the signal of the internal circuit 3 is transmitted to the internal circuit 4. Further, the device 1 and the device 2 are connected to the connector 8,
9 and a cable 10, and the connectors 8 and 9 are through-connected in a one-to-one manner.
【0008】コネクタ8の信号線の一部には、識別子挿
入手段5により識別子信号が入力されており、ケーブル
10を通じてコネクタ9から識別子信号が識別子判定手
段6に入力される。識別子判定手段6は、入力された識
別子が自装置の識別子と一致すれば、信号遮断手段7に
信号を通過させる命令を通知する。信号遮断手段7は、
識別子判定手段6からの命令により、コネクタ9からの
信号を内部回路4に伝達する。An identifier signal is input by the identifier inserting means 5 to a part of the signal line of the connector 8, and the identifier signal is input to the identifier determining means 6 from the connector 9 through the cable 10. If the input identifier matches the identifier of its own device, the identifier determining means 6 notifies the signal blocking means 7 of an instruction to pass a signal. The signal blocking means 7 is
A signal from the connector 9 is transmitted to the internal circuit 4 according to a command from the identifier determining means 6.
【0009】図2は本実施例のコネクタ部の詳細ブロッ
ク図である。コネクタ1,2は、ケーブル10によっ
て、1対1に接続されており、コネクタ1,2の一部
は、識別子挿入手段5と識別子判定手段4の接続のため
に使用されている。FIG. 2 is a detailed block diagram of the connector portion of this embodiment. The connectors 1 and 2 are connected one-to-one by a cable 10, and a part of the connectors 1 and 2 is used for connecting the identifier insertion means 5 and the identifier determination means 4.
【0010】[0010]
【発明の効果】以上説明したように本発明は、コネクタ
により、2つの回路を接続する場合において、信号の送
信回路側のコネクタの信号ピンに、コネクタの識別子を
挿入する手段と、信号の受信回路側に、コネクタから入
力された送信側の識別子を判定する手段と、コネクタか
らの入力信号を遮断する信号遮断手段とを設けることに
より、誤接続で内部回路が破壊されることを防止するこ
とができる。As described above, according to the present invention, when two circuits are connected by a connector, a means for inserting the identifier of the connector into the signal pin of the connector on the signal transmission circuit side and the signal reception. To prevent the internal circuit from being destroyed by erroneous connection by providing the circuit side with means for judging the identifier on the transmitting side input from the connector and signal blocking means for blocking the input signal from the connector You can
【図1】本発明の一実施例のブロック図である。FIG. 1 is a block diagram of an embodiment of the present invention.
【図2】本実施例のコネクタの詳細ブロック図である。FIG. 2 is a detailed block diagram of the connector of this embodiment.
1,2 装置 3,4 内部回路 5 識別子挿入手段 6 識別子判定手段 7 信号遮断手段 8,9 コネクタ 10 ケーブル 1, 2 Device 3, 4 Internal circuit 5 Identifier inserting means 6 Identifier determining means 7 Signal blocking means 8, 9 Connector 10 Cable
Claims (1)
の送信回路側の前記コネクタの信号ピンにコネクタを識
別する識別子信号を挿入する識別子挿入手段と、前記コ
ネクタの信号ピンの受信回路側に入力された送信側から
の識別子信号を判定する識別子判定手段と、コネクタか
らの入力信号を遮断する信号遮断手段とを有することを
特徴とする誤接続保護方式。1. A connector for connecting two circuits, an identifier inserting means for inserting an identifier signal for identifying the connector into a signal pin of the connector on the signal transmitting circuit side, and a receiving circuit side for the signal pin of the connector. An erroneous connection protection system comprising: an identifier determination means for determining an input identifier signal from the transmitting side; and a signal blocking means for blocking an input signal from the connector.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22372692A JPH0668935A (en) | 1992-08-24 | 1992-08-24 | Method for protecting from erroneous connection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22372692A JPH0668935A (en) | 1992-08-24 | 1992-08-24 | Method for protecting from erroneous connection |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0668935A true JPH0668935A (en) | 1994-03-11 |
Family
ID=16802726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22372692A Pending JPH0668935A (en) | 1992-08-24 | 1992-08-24 | Method for protecting from erroneous connection |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0668935A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6099982A (en) * | 1996-11-08 | 2000-08-08 | Dowa Mining Co., Ltd. | Starting powders for ITO production, ITO sinters and processes for producing such starting powders and ITO sinters |
US6121178A (en) * | 1996-10-04 | 2000-09-19 | Dowa Mining Co., Ltd. | Sintered ITO and an ITO sputtering target |
JP2009130680A (en) * | 2007-11-26 | 2009-06-11 | Sony Corp | Communication system, electronic apparatus and communication method |
KR20110092828A (en) * | 2010-02-10 | 2011-08-18 | 삼성전자주식회사 | Transmitter detecting power-down of receiver automatically and system having the same |
WO2019065723A1 (en) * | 2017-09-27 | 2019-04-04 | シャープ株式会社 | Display device and television device |
-
1992
- 1992-08-24 JP JP22372692A patent/JPH0668935A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6121178A (en) * | 1996-10-04 | 2000-09-19 | Dowa Mining Co., Ltd. | Sintered ITO and an ITO sputtering target |
US6099982A (en) * | 1996-11-08 | 2000-08-08 | Dowa Mining Co., Ltd. | Starting powders for ITO production, ITO sinters and processes for producing such starting powders and ITO sinters |
JP2009130680A (en) * | 2007-11-26 | 2009-06-11 | Sony Corp | Communication system, electronic apparatus and communication method |
KR20110092828A (en) * | 2010-02-10 | 2011-08-18 | 삼성전자주식회사 | Transmitter detecting power-down of receiver automatically and system having the same |
WO2019065723A1 (en) * | 2017-09-27 | 2019-04-04 | シャープ株式会社 | Display device and television device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0668935A (en) | Method for protecting from erroneous connection | |
GB2410870A (en) | Reset circuit and method | |
JPS59151543A (en) | Optical communication system | |
US7003696B1 (en) | Fault management system for switching equipment | |
CN213238946U (en) | Box body opening and closing monitoring device of LED display screen | |
JP2531343B2 (en) | Alarm spread prevention and transfer method | |
KR200150727Y1 (en) | E/m signal sensing circuit according to two signal types | |
US20050157710A1 (en) | Data bus system | |
EP0427800B1 (en) | Interlock circuit for preventing corruption of telephone line signals | |
JP2734410B2 (en) | Transmission line switching system | |
JPS63156267A (en) | Interface device | |
JPH0534529A (en) | Optical output cut-off circuit | |
JP2550666B2 (en) | Monitor device | |
JP3016280B2 (en) | In-device monitoring method | |
JPS58171156A (en) | System for preventing user's information from leakage in common line signal system | |
JPH0992397A (en) | Transmission cable connecting device | |
JPH06133009A (en) | Line interruption device | |
JPH03249828A (en) | Method for isolating fault position of optical transmission line and fault position isolating device | |
JPH05257579A (en) | Protection circuit | |
JPS5842327A (en) | Controlling system for remote folding release | |
JPH07202826A (en) | Method for locating faulty position | |
JPH0219043A (en) | Line switching system | |
JPH06223950A (en) | Cable erroneous connection detecting device | |
JPH04107021A (en) | Protecting system for insertion/extraction | |
JPS6251857A (en) | Two-wire full duplex modem with cd transmission |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19990216 |