JPS598237U - protection circuit - Google Patents
protection circuitInfo
- Publication number
- JPS598237U JPS598237U JP10001182U JP10001182U JPS598237U JP S598237 U JPS598237 U JP S598237U JP 10001182 U JP10001182 U JP 10001182U JP 10001182 U JP10001182 U JP 10001182U JP S598237 U JPS598237 U JP S598237U
- Authority
- JP
- Japan
- Prior art keywords
- central processing
- processing unit
- circuit
- protection circuit
- voltage
- 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
- Emergency Protection Circuit Devices (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
図面は本考案の実施例の回路図である。
Ａ・・・電圧判定回路、Ｂ・・・５■用電電源路、Ｃ・
・・保護回路、ＣＰＵ・・・中央処理回路。The drawing is a circuit diagram of an embodiment of the present invention. A...Voltage judgment circuit, B...5■ power supply path, C.
...Protection circuit, CPU...Central processing circuit.
Claims (1)
供給する自火報受信機又は防非煙、監視盤等に於て、前
記受信機等の本体の電源線に、前記中央処理装置が正常
動作する低電圧側限界電圧値を判定する電圧判定回路を
接続し、該電圧判定回路の、判定出力により、中央処理
装置への電源供給を停止することを特徴とする中央処理
回路の保護回路。In a self-fire alarm receiver, smoke prevention, monitoring panel, etc., which has a built-in or connected central processing unit and supplies power to the central processing unit, the central processing unit is connected to the power line of the main body of the receiver, etc. A protection circuit for a central processing circuit, characterized in that a voltage determination circuit for determining a low-voltage limit voltage value for normal operation is connected, and power supply to a central processing unit is stopped according to a determination output of the voltage determination circuit. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10001182U JPS598237U (en) | 1982-06-30 | 1982-06-30 | protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10001182U JPS598237U (en) | 1982-06-30 | 1982-06-30 | protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS598237U true JPS598237U (en) | 1984-01-19 |
Family
ID=30236772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10001182U Pending JPS598237U (en) | 1982-06-30 | 1982-06-30 | protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS598237U (en) |
-
1982
- 1982-06-30 JP JP10001182U patent/JPS598237U/en active Pending
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