JPS5827580U - Engine ignition signal generator - Google Patents
Engine ignition signal generatorInfo
- Publication number
- JPS5827580U JPS5827580U JP12218281U JP12218281U JPS5827580U JP S5827580 U JPS5827580 U JP S5827580U JP 12218281 U JP12218281 U JP 12218281U JP 12218281 U JP12218281 U JP 12218281U JP S5827580 U JPS5827580 U JP S5827580U
- Authority
- JP
- Japan
- Prior art keywords
- ignition signal
- signal
- ignition
- signal generator
- engine ignition
- 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
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (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図は従来のエンジン点火信号発生装置の一例を示す
ブロック図、第２図および第３図は本考−案の一実施例
を示すブロック図および信号波形図である。
図中、１はマイクロコンピュータ、２は始動時点火回路
、３はマルチプレクサ、４はリトリガブル単安定マルチ
である。FIG. 1 is a block diagram showing an example of a conventional engine ignition signal generating device, and FIGS. 2 and 3 are a block diagram and signal waveform diagrams showing an embodiment of the present invention. In the figure, 1 is a microcomputer, 2 is a starting ignition circuit, 3 is a multiplexer, and 4 is a retriggerable monostable multi.
Claims (1)
を発生する始動時点火回路と、該クランクシャフト信号
を受けてエンジン回転数が一定値以上であると判断、し
たときはソフトウェアで点火信号を発生するマイクロコ
ンピュータと、該マイクロコンピュータから点火信号と
同時に発生されるトリガ信号で繰り返し暇動されるリト
リガブル単安定マルチと、該単安定マルチが被起動レベ
ル出力を生じている間は前記ソフトウェア側の点火信号
を出力し、また該単安定マルチ出力が該被起動レベルと
逆のレベルであるときは前記ハードウェア側の点火信号
を出力するマルチプレクサとを備えたことを特徴とする
エンジン点火信号発生装置。A starting ignition circuit that receives a crankshaft signal and generates an ignition signal using hardware, and a microcontroller that receives the crankshaft signal and determines that the engine speed is above a certain value and generates an ignition signal using software. a computer, a retriggerable monostable multi which is repeatedly activated by a trigger signal generated simultaneously with the ignition signal from the microcomputer, and an ignition signal on the software side while the monostable multi is producing an activated level output. and a multiplexer that outputs an ignition signal on the hardware side when the monostable multi-output is at a level opposite to the activated level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12218281U JPS5827580U (en) | 1981-08-18 | 1981-08-18 | Engine ignition signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12218281U JPS5827580U (en) | 1981-08-18 | 1981-08-18 | Engine ignition signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5827580U true JPS5827580U (en) | 1983-02-22 |
Family
ID=29916110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12218281U Pending JPS5827580U (en) | 1981-08-18 | 1981-08-18 | Engine ignition signal generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5827580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60233372A (en) * | 1984-05-02 | 1985-11-20 | Nippon Denso Co Ltd | Ignition device for internal-combustion engine |
-
1981
- 1981-08-18 JP JP12218281U patent/JPS5827580U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60233372A (en) * | 1984-05-02 | 1985-11-20 | Nippon Denso Co Ltd | Ignition device for internal-combustion engine |
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