JPH0474321U - - Google Patents
Info
- Publication number
- JPH0474321U JPH0474321U JP11674190U JP11674190U JPH0474321U JP H0474321 U JPH0474321 U JP H0474321U JP 11674190 U JP11674190 U JP 11674190U JP 11674190 U JP11674190 U JP 11674190U JP H0474321 U JPH0474321 U JP H0474321U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- auxiliary electronic
- electronic circuit
- connector
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Multi-Conductor Connections (AREA)
Description
第１図は一実施例の補助電子回路基板の回路接
続装置の回路構成図、第２図は一実施例の補助電
子回路基板の回路接続装置の動作を説明するタイ
ムチヤートである。
１……接続部、２……カートリツヂ、３……装
置本体、４……補助電子回路基板、５ａ，５ｂ，
１０ａ，１０ｂ……接続検出用回路、６ａ，６ｂ
……接続線、７……遅延回路、８……ローパスフ
イルタ、８ａ，８ｂ……ローパス回路、９……出
力バツフア、１１……ＮＯＲゲート、１２……遅
延用カウンタ、Ｒａ，Ｒｂ……抵抗。
FIG. 1 is a circuit configuration diagram of a circuit connection device for an auxiliary electronic circuit board according to one embodiment, and FIG. 2 is a time chart illustrating the operation of the circuit connection device for an auxiliary electronic circuit board according to one embodiment. DESCRIPTION OF SYMBOLS 1...Connection part, 2...Cartridge, 3...Device main body, 4...Auxiliary electronic circuit board, 5a, 5b,
10a, 10b...Connection detection circuit, 6a, 6b
... Connection line, 7 ... Delay circuit, 8 ... Low pass filter, 8a, 8b ... Low pass circuit, 9 ... Output buffer, 11 ... NOR gate, 12 ... Delay counter, R a , R b ... …resistance.
Claims (1)
可能に構成された補助電子回路基板の回路接続装
置において、 前記主制御回路基板に補助電子回路基板を接続
した時この接続状態を検出する検出手段と、 該検出手段の検出出力により起動し、所定時間
後制御出力を発生する遅延回路手段と、 前記コネクタに接続される信号線路に介在し、
前記遅延回路手段の制御出力に応じて前記信号線
路を能動状態に切り換える切り換え手段と、 を有することを特徴とする補助電子回路基板の回
路接続装置。[Claims for Utility Model Registration] In a circuit connection device for an auxiliary electronic circuit board configured to be detachable from the main control circuit board via a connector, when the auxiliary electronic circuit board is connected to the main control circuit board, a detection means for detecting a connection state; a delay circuit means activated by the detection output of the detection means and generating a control output after a predetermined time; intervening in a signal line connected to the connector,
A circuit connection device for an auxiliary electronic circuit board, comprising: switching means for switching the signal line to an active state in accordance with a control output of the delay circuit means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11674190U JPH0474321U (en) | 1990-11-07 | 1990-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11674190U JPH0474321U (en) | 1990-11-07 | 1990-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0474321U true JPH0474321U (en) | 1992-06-29 |
Family
ID=31864576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11674190U Pending JPH0474321U (en) | 1990-11-07 | 1990-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0474321U (en) |
-
1990
- 1990-11-07 JP JP11674190U patent/JPH0474321U/ja active Pending
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