JPS62195773U - - Google Patents
Info
- Publication number
- JPS62195773U JPS62195773U JP8387986U JP8387986U JPS62195773U JP S62195773 U JPS62195773 U JP S62195773U JP 8387986 U JP8387986 U JP 8387986U JP 8387986 U JP8387986 U JP 8387986U JP S62195773 U JPS62195773 U JP S62195773U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- analog voltage
- measuring device
- rotational speed
- arithmetic
- 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
- 238000010586 diagram Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 2
Landscapes
- Analogue/Digital Conversion (AREA)
Description
第１図及び第２図は、本考案の低速回転体の回
転速度アナログ表示装置の一実施例であり、第１
図は、本考案の構成図、及び第２図は、出力電圧
の波形図を示す。第３図〜第５図は、従来の回転
速度アナログ表示装置の例であり、第３図は、カ
レントメータの概略図、第４図は、平均回転速度
の計測概念図、第５図は、従来の回転速度アナロ
グ表示装置の構成図を示す。
１…低速回転体の回転速度アナログ表示装置、
１０…Ｔ計測用二連カウンタ、１１…１／Ｔ計算
器、１２…Ｄ／Ａ変換器、１３…１／Ｔ値保持装
置。
FIGS. 1 and 2 show an embodiment of the rotational speed analog display device for a low-speed rotating body according to the present invention.
The figure shows a configuration diagram of the present invention, and FIG. 2 shows a waveform diagram of the output voltage. 3 to 5 are examples of conventional rotational speed analog display devices, FIG. 3 is a schematic diagram of a current meter, FIG. 4 is a conceptual diagram of average rotational speed measurement, and FIG. 5 is a schematic diagram of a current meter. 1 shows a configuration diagram of a conventional rotational speed analog display device. 1...Rotation speed analog display device of low-speed rotating body,
10...Double counter for T measurement, 11...1/T calculator, 12...D/A converter, 13...1/T value holding device.
Claims (1)
置と該計測装置によつて得られた時間の逆数を計
算する演算装置と該演算装置での演算結果のデジ
タル値をアナログ電圧に交換するＤ／Ａ変換装置
と前記アナログ電圧を次の信号入力まで保持する
保持装置よりなることを特徴とする低速回転体の
回転速度アナログ表示装置。 A measuring device that measures the time required for one rotation of a rotary body, an arithmetic device that calculates the reciprocal of the time obtained by the measuring device, and a D/D converter that converts the digital value of the calculation result of the arithmetic device into an analog voltage. A rotational speed analog display device for a low-speed rotating body, comprising an A converter and a holding device that holds the analog voltage until the next signal input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8387986U JPS62195773U (en) | 1986-06-02 | 1986-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8387986U JPS62195773U (en) | 1986-06-02 | 1986-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62195773U true JPS62195773U (en) | 1987-12-12 |
Family
ID=30937868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8387986U Pending JPS62195773U (en) | 1986-06-02 | 1986-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62195773U (en) |
-
1986
- 1986-06-02 JP JP8387986U patent/JPS62195773U/ja active Pending
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