JPH01164597U - - Google Patents
Info
- Publication number
- JPH01164597U JPH01164597U JP5665988U JP5665988U JPH01164597U JP H01164597 U JPH01164597 U JP H01164597U JP 5665988 U JP5665988 U JP 5665988U JP 5665988 U JP5665988 U JP 5665988U JP H01164597 U JPH01164597 U JP H01164597U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- card
- connector
- pins
- series
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Alarm Devices (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Description
第１図は本考案によるカード引抜検出回路の第
１の実施例を示す概要図、第２図は本考案の第２
の実施例を示す概要図である。
１……カード、２……コネクタ、３……短絡回
路、４……信号源、５……無信号検出回路、６…
…電磁リレー。
FIG. 1 is a schematic diagram showing a first embodiment of the card removal detection circuit according to the present invention, and FIG. 2 is a schematic diagram showing a second embodiment of the card removal detection circuit according to the present invention.
FIG. 1...Card, 2...Connector, 3...Short circuit, 4...Signal source, 5...No signal detection circuit, 6...
...Electromagnetic relay.
Claims (1)
御装置にあつて、各カードはそのコネクタの少な
くとも２つのピンに対応する端子に接続した短絡
回路を有し、各コネクタの前記２つのピンは互い
に電気的に直列に接続し、この直列に接続した回
路は一端を信号源に、他端を無信号検出回路に接
続して構成したことを特徴とするカード引抜検出
回路。 In a control device having a plurality of removable card-type circuit boards, each card has a shorting circuit connected to terminals corresponding to at least two pins of its connector, and the two pins of each connector are connected to each other. A card removal detection circuit characterized in that the circuits are electrically connected in series, and one end of the series connected circuit is connected to a signal source, and the other end is connected to a no-signal detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5665988U JPH01164597U (en) | 1988-04-28 | 1988-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5665988U JPH01164597U (en) | 1988-04-28 | 1988-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01164597U true JPH01164597U (en) | 1989-11-16 |
Family
ID=31282529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5665988U Pending JPH01164597U (en) | 1988-04-28 | 1988-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01164597U (en) |
-
1988
- 1988-04-28 JP JP5665988U patent/JPH01164597U/ja active Pending
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