JPH0255302U - - Google Patents
Info
- Publication number
- JPH0255302U JPH0255302U JP13229988U JP13229988U JPH0255302U JP H0255302 U JPH0255302 U JP H0255302U JP 13229988 U JP13229988 U JP 13229988U JP 13229988 U JP13229988 U JP 13229988U JP H0255302 U JPH0255302 U JP H0255302U
- Authority
- JP
- Japan
- Prior art keywords
- discharge noise
- time period
- engine
- microcomputer
- grasping
- 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 2
- 230000007257 malfunction Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Safety Devices In Control Systems (AREA)
Description
第１図は本考案に係る一実施例を示すシステム
図、第２図は点火信号の波形を示す図、第３図は
従来例を示す図である。
１…ＣＰＵ、５…ハイパスフイルター、６…整
流回路、７…駆動回路、８…点火コイル。
FIG. 1 is a system diagram showing one embodiment of the present invention, FIG. 2 is a diagram showing the waveform of an ignition signal, and FIG. 3 is a diagram showing a conventional example. 1... CPU, 5... High pass filter, 6... Rectifier circuit, 7... Drive circuit, 8... Ignition coil.
Claims (1)
したものにおいて、点火信号の放電ノイズを識別
して検出する放電ノイズ検出手段と、該放電ノイ
ズ検出手段により検出された放電ノイズを整流し
てその発生している時間帯を把握する発生時間帯
把握手段と、該発生時間帯把握手段により検出さ
れた放電ノイズ発生時間帯にマイクロコンピユー
タの動作を一時的に停止させる停止手段と、を設
けたことを特徴とするエンジン制御用マイクロコ
ンピユータの誤動作防止装置。 In an engine that uses a microcomputer to control the engine, there is a discharge noise detection means for identifying and detecting the discharge noise of the ignition signal, and a time period during which the discharge noise detected by the discharge noise detection means is rectified and generated. An engine characterized in that it is provided with a generation time period grasping means for grasping the occurrence time zone, and a stop means for temporarily stopping the operation of a microcomputer during the generation time period detected by the occurrence time zone grasping means. Malfunction prevention device for control microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13229988U JPH0255302U (en) | 1988-10-12 | 1988-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13229988U JPH0255302U (en) | 1988-10-12 | 1988-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255302U true JPH0255302U (en) | 1990-04-20 |
Family
ID=31389132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13229988U Pending JPH0255302U (en) | 1988-10-12 | 1988-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255302U (en) |
-
1988
- 1988-10-12 JP JP13229988U patent/JPH0255302U/ja active Pending
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