JPS5828342U - Fault indicator - Google Patents
Fault indicatorInfo
- Publication number
- JPS5828342U JPS5828342U JP12179481U JP12179481U JPS5828342U JP S5828342 U JPS5828342 U JP S5828342U JP 12179481 U JP12179481 U JP 12179481U JP 12179481 U JP12179481 U JP 12179481U JP S5828342 U JPS5828342 U JP S5828342U
- Authority
- JP
- Japan
- Prior art keywords
- light
- cpu
- emitting element
- pulse signal
- predetermined period
- 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
- Debugging And Monitoring (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る故障表示装置のブロック図を表わ
し、第２図はｃｐｕの出力端子の出力波形を表わす。
１・・・ＣＰＵ、 ２・・・微分回路、３・・・積分（
タイミング）回路、４・・・スイッチング回路、５・・
・表示回路。FIG. 1 shows a block diagram of a failure indicating device according to the present invention, and FIG. 2 shows an output waveform of an output terminal of a CPU. 1...CPU, 2...Differential circuit, 3...Integrator (
timing) circuit, 4... switching circuit, 5...
・Display circuit.
Claims (1)
において、ＣＰＵにそれが正常に動作しているときは所
定周期のパルス信号を出力せしめると共に、該パルス信
号によりタイミング回路を動作せしめ、該パルス信号が
所定時間以上存在しなくなったときはスイッチング回路
を動作させて、発光素子を点灯せしめるようにしたこと
を特徴とする故障表示装置。In an electronic device equipped with a CPU and peripheral hardware, when the CPU is operating normally, the CPU outputs a pulse signal of a predetermined period, and the pulse signal operates a timing circuit. 1. A failure indicating device characterized in that when a light-emitting element is not present for a predetermined period of time or more, a switching circuit is operated to light up a light-emitting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12179481U JPS5828342U (en) | 1981-08-19 | 1981-08-19 | Fault indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12179481U JPS5828342U (en) | 1981-08-19 | 1981-08-19 | Fault indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5828342U true JPS5828342U (en) | 1983-02-23 |
Family
ID=29915733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12179481U Pending JPS5828342U (en) | 1981-08-19 | 1981-08-19 | Fault indicator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828342U (en) |
-
1981
- 1981-08-19 JP JP12179481U patent/JPS5828342U/en active Pending
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