JPS623072U - - Google Patents
Info
- Publication number
- JPS623072U JPS623072U JP9367385U JP9367385U JPS623072U JP S623072 U JPS623072 U JP S623072U JP 9367385 U JP9367385 U JP 9367385U JP 9367385 U JP9367385 U JP 9367385U JP S623072 U JPS623072 U JP S623072U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle speed
- reed switches
- magnet
- accordance
- logic circuit
- 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
- 235000014676 Phragmites communis Nutrition 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
第１図は本考案の一実施例に係わる車速検出装
置を示す図、第２図は同実施例におけるリードス
イツチの配置を示す図、第３図Ａ〜Ｄは同実施例
の動作を説明するための波形図、第４図は本考案
の他の実施例に係わる装置を示す図、第５図Ａ〜
Ｅは本考案の他の実施例の説明するための波形図
である。
１１……磁石、１１ａ，１１ｂ……リードスイ
ツチ、１２……ＳＲ型フリツプフロツプ、１３…
…トランジスタ。
Fig. 1 is a diagram showing a vehicle speed detection device according to an embodiment of the present invention, Fig. 2 is a diagram showing the arrangement of a reed switch in the same embodiment, and Figs. 3 A to D explain the operation of the same embodiment. FIG. 4 is a diagram showing a device according to another embodiment of the present invention, and FIG. 5A-
E is a waveform diagram for explaining another embodiment of the present invention. 11...Magnet, 11a, 11b...Reed switch, 12...SR type flip-flop, 13...
...transistor.
Claims (1)
に応じて開成、閉成が繰り返される互いに所定距
離隔てて配設された第１及び第２のリードスイツ
チと、上記第１及び第２のリードスイツチの出力
が入力され上記第１及び第２のリードスイツチか
ら出力された車速パルスを合成する論理回路部と
を具備し、この論理回路部から出力される車速パ
ルスに基づいて車速を算出するようにしたことを
特徴とする車速検出装置。 a magnet that rotates in accordance with the vehicle speed; first and second reed switches that are arranged at a predetermined distance from each other and that are repeatedly opened and closed in accordance with the rotation of the magnet; and the first and second reed switches. and a logic circuit section which receives the output of the switch and synthesizes the vehicle speed pulses outputted from the first and second reed switches, and calculates the vehicle speed based on the vehicle speed pulse outputted from the logic circuit section. A vehicle speed detection device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9367385U JPS623072U (en) | 1985-06-20 | 1985-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9367385U JPS623072U (en) | 1985-06-20 | 1985-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS623072U true JPS623072U (en) | 1987-01-09 |
Family
ID=30651562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9367385U Pending JPS623072U (en) | 1985-06-20 | 1985-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS623072U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5319261B2 (en) * | 1973-08-01 | 1978-06-20 |
-
1985
- 1985-06-20 JP JP9367385U patent/JPS623072U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5319261B2 (en) * | 1973-08-01 | 1978-06-20 |
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