JPS6115566U - engine tachometer - Google Patents
engine tachometerInfo
- Publication number
- JPS6115566U JPS6115566U JP10049484U JP10049484U JPS6115566U JP S6115566 U JPS6115566 U JP S6115566U JP 10049484 U JP10049484 U JP 10049484U JP 10049484 U JP10049484 U JP 10049484U JP S6115566 U JPS6115566 U JP S6115566U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- processing device
- signal processing
- square wave
- value
- 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
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
第１図は本考案にかかるエンジン回転計の回路図、第２
図はエンジン回転計の外形図である。
Ａ・・・・・・信号処理装置、Ｂ・・・・・・表示部、
１・・・・・・アンテナ、２，３・・・・・・検波用ダ
イオード、８，９・・・・・・方形波形成回路用ナンド
ゲート、１７・・・・・・第１のスイッチ、１８・・・
・・・第２のスイッチ、１８・・曲第３のスイッチ、２
３・・曲第４のスイッチ、３６で・・・・電源。Figure 1 is a circuit diagram of the engine revolution meter according to the present invention, Figure 2 is a circuit diagram of the engine revolution meter according to the present invention.
The figure is an outline drawing of an engine revolution meter. A...signal processing device, B...display section,
1... Antenna, 2, 3... Detection diode, 8, 9... NAND gate for square wave forming circuit, 17... First switch, 18...
...Second switch, 18...Song third switch, 2
3...The fourth switch of the song, 36...power.
Claims (1)
アンテナと、該アンテナの出力パルスを検波後、方形波
に波形整形する方形波形成回路と、この方形波形成回路
の出力パルスに基づいてエンジン回転数を演算する信号
処理装置と、只の信号処理装置における演算結果を表示
する表示部とを備えてなるエンジン回転計に於いて、上
記信号処理装置は気筒数に応じたエンジン回転数を設定
できる気筒数設定回路と、エンジン回転数の分解能を任
意に設定できる分解能設定回路と、エンジン向転数の最
小値、最大値および平均値の要求値のうち任意の要求値
を設定できる要求値設定回路とを備えてなるエンジン回
転計。An antenna that detects the engine's ignition pulse by electromagnetic induction, a square wave forming circuit that shapes the output pulse of the antenna into a square wave after detecting it, and an engine rotation speed based on the output pulse of the square wave forming circuit. In an engine revolution meter comprising a signal processing device that performs calculations and a display unit that displays the calculation results of the signal processing device, the signal processing device has a number of cylinders that can set the engine rotational speed according to the number of cylinders. A setting circuit, a resolution setting circuit that can arbitrarily set the resolution of the engine speed, and a required value setting circuit that can set any required value among the required values of the minimum value, maximum value, and average value of the engine rotation speed. Engine tachometer included.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10049484U JPS6115566U (en) | 1984-07-03 | 1984-07-03 | engine tachometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10049484U JPS6115566U (en) | 1984-07-03 | 1984-07-03 | engine tachometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6115566U true JPS6115566U (en) | 1986-01-29 |
Family
ID=30659953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10049484U Pending JPS6115566U (en) | 1984-07-03 | 1984-07-03 | engine tachometer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6115566U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56155858A (en) * | 1980-05-07 | 1981-12-02 | Mitsubishi Electric Corp | Detector for number of revolutions of internal combustion engine |
| JPS58127169A (en) * | 1982-01-25 | 1983-07-28 | Tokyo Tatsuno Co Ltd | Tachometer for internal combustion engine |
-
1984
- 1984-07-03 JP JP10049484U patent/JPS6115566U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56155858A (en) * | 1980-05-07 | 1981-12-02 | Mitsubishi Electric Corp | Detector for number of revolutions of internal combustion engine |
| JPS58127169A (en) * | 1982-01-25 | 1983-07-28 | Tokyo Tatsuno Co Ltd | Tachometer for internal combustion engine |
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