JPS5889971U - printed circuit board - Google Patents
printed circuit boardInfo
- Publication number
- JPS5889971U JPS5889971U JP18602181U JP18602181U JPS5889971U JP S5889971 U JPS5889971 U JP S5889971U JP 18602181 U JP18602181 U JP 18602181U JP 18602181 U JP18602181 U JP 18602181U JP S5889971 U JPS5889971 U JP S5889971U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- control
- power supply
- connector
- circuit 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.)
- Granted
Links
Landscapes
- Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来例の構成図、第２図は本考案の実施例を示
す構成図、第３図は第２図に用いるＮＡＮＤゲートの一
例を示す回路図である。
ＰＣ・・・・・・プリント回路板、ＣＮ・・・・・・コ
ネクタ、Ｐ□・・・・・・電源端子、Ｐ２・・・・・・
制御用電源端子、Ｐ４〜Ｐｎ −２・・・・・・信号用
端子、Ｐｎ−１・・・・・・共通端子、Ｐｎ・・・・・
・制御端子、０１〜Ｇｉ・旧・・ＮＡＮＤゲート（ゲー
ト回路）、Ｒ１□〜Ｒ１゜・・・・・・抵抗器、Ｃ１□
・・・・・・コンデンサ、Ｑ・・・・・・トランジスタ
（制御回路）。FIG. 1 is a block diagram of a conventional example, FIG. 2 is a block diagram showing an embodiment of the present invention, and FIG. 3 is a circuit diagram showing an example of the NAND gate used in FIG. PC...Printed circuit board, CN...Connector, P□...Power terminal, P2...
Control power supply terminal, P4 to Pn-2... Signal terminal, Pn-1... Common terminal, Pn...
・Control terminal, 01~Gi・Old...NAND gate (gate circuit), R1□~R1゜・・・Resistor, C1□
...Capacitor, Q...Transistor (control circuit).
Claims (1)
て着脱されるプリント回路板において、前記コネクタへ
挿入される信号用端子および共通端子よりも短く形成さ
れた前記コネクタへ挿入される制御用電源端子と、該制
御用電源端子の近傍へ前記制御用端子より４短（形成さ
れた前記コネク、夕へ挿入される電源端子と、該電源端
子とほぼ同一長として形成された前記５ネクタヘ挿入さ
れる制御端子と、前記信号用端子へ出力が接続されかつ
低電源電圧においても正常に動作するゲート回路と、該
ゲート回路へ前記制御用電源端子からの電源を電源電圧
として印加しかつ出力側へ前記電源端子が接続された時
定数回路と、前記制御用電源端子からの電圧に応じて前
記ゲート回路をオフ状態としかつ前記制御端子からの共
通電位に応じて常前記ゲート回路をオン状態とする制御
回路と備えたことを特徴とするプリント回路板。In a printed circuit board that is connected to and removed from a connector of an electronic device while the electronic device is in operation, a control power source that is inserted into the connector that is shorter than a signal terminal and a common terminal that are inserted into the connector. the terminal, and the connector formed near the control power supply terminal is 4 lengths shorter than the control terminal; a control terminal connected to the signal terminal, a gate circuit whose output is connected to the signal terminal and which operates normally even at a low power supply voltage, and a gate circuit to which the power from the control power supply terminal is applied as a power supply voltage and to the output side. The time constant circuit to which the power terminal is connected and the gate circuit are turned off according to voltages from the control power supply terminal, and the gate circuit is always turned on according to a common potential from the control terminal. A printed circuit board comprising a control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18602181U JPS5889971U (en) | 1981-12-14 | 1981-12-14 | printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18602181U JPS5889971U (en) | 1981-12-14 | 1981-12-14 | printed circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5889971U true JPS5889971U (en) | 1983-06-17 |
| JPS633171Y2 JPS633171Y2 (en) | 1988-01-26 |
Family
ID=29987599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18602181U Granted JPS5889971U (en) | 1981-12-14 | 1981-12-14 | printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5889971U (en) |
-
1981
- 1981-12-14 JP JP18602181U patent/JPS5889971U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS633171Y2 (en) | 1988-01-26 |
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