JPS6437669U - - Google Patents
Info
- Publication number
- JPS6437669U JPS6437669U JP13135987U JP13135987U JPS6437669U JP S6437669 U JPS6437669 U JP S6437669U JP 13135987 U JP13135987 U JP 13135987U JP 13135987 U JP13135987 U JP 13135987U JP S6437669 U JPS6437669 U JP S6437669U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle speed
- rotation time
- rotation
- calculating
- coefficient
- 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
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Indicating Measured Values (AREA)
Description
第１図は本考案による電子式車速メータの基本
構成を示すブロツク図、第２図は本考案による補
正係数Ａの算出を説明するための走行センサ出力
の波形図、第３図及び第４図は各々本考案に係る
実際の車速に対する表示車速を示す特性図、第５
図は本考案の実施例を示すブロツク図、第６図は
第５図中のＣＰＵが処理するフローチヤートであ
る。
１……走行センサ、２……回転時間計測手段、
３……係数設定手段、４……演算手段、５……表
示手段、７……マイクロコンピユータ、ＳＷａ，
ＳＷｂ……設定スイツチ。
Fig. 1 is a block diagram showing the basic configuration of the electronic vehicle speed meter according to the present invention, Fig. 2 is a waveform diagram of the driving sensor output to explain the calculation of the correction coefficient A according to the present invention, and Figs. 3 and 4. are characteristic diagrams showing the displayed vehicle speed relative to the actual vehicle speed according to the present invention, and the fifth
The figure is a block diagram showing an embodiment of the present invention, and FIG. 6 is a flow chart of processing performed by the CPU in FIG. 1... Traveling sensor, 2... Rotation time measuring means,
3...Coefficient setting means, 4...Calculating means, 5...Display means, 7...Microcomputer, SW a ,
SW b ...Setting switch.
Claims (1)
測する回転時間計測手段と、 タイヤの径に応じた補正係数を設定する係数設
定手段と、 前記回転時間計測手段より得られた前記回転時
間と前記係数設定手段より設定した補正係数及び
予め設定された基準速度における前記走行センサ
の単位回転数当りの回転時間とにより車速を演算
する演算手段と、 該演算手段より得られた車速を表示する表示手
段と、 を備えたことを特徴とする電子式車速メータ。[Scope of claim for utility model registration] A running sensor that rotates according to the vehicle speed, a rotation time measuring means that measures the rotation time per unit rotation of the running sensor, and a coefficient that sets a correction coefficient depending on the diameter of the tire. a setting means; calculating a vehicle speed based on the rotation time obtained by the rotation time measurement means, the correction coefficient set by the coefficient setting means, and the rotation time per unit rotation speed of the travel sensor at a preset reference speed; An electronic vehicle speed meter comprising: a calculation means for calculating the vehicle speed; and a display means for displaying the vehicle speed obtained by the calculation means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13135987U JPS6437669U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13135987U JPS6437669U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437669U true JPS6437669U (en) | 1989-03-07 |
Family
ID=31387351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13135987U Pending JPS6437669U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0488860U (en) * | 1990-02-08 | 1992-08-03 | ||
| JP2015003692A (en) * | 2013-06-24 | 2015-01-08 | 日本精機株式会社 | Display device for vehicle and program |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49569A (en) * | 1972-04-20 | 1974-01-07 | ||
| JPS51470A (en) * | 1974-06-19 | 1976-01-06 | Nepon Kk | KOGAKUSENIOMOCHIITASOSHOKUSOCHI |
| JPS54116982A (en) * | 1978-03-03 | 1979-09-11 | Hitachi Ltd | Speed operating circuit |
-
1987
- 1987-08-31 JP JP13135987U patent/JPS6437669U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49569A (en) * | 1972-04-20 | 1974-01-07 | ||
| JPS51470A (en) * | 1974-06-19 | 1976-01-06 | Nepon Kk | KOGAKUSENIOMOCHIITASOSHOKUSOCHI |
| JPS54116982A (en) * | 1978-03-03 | 1979-09-11 | Hitachi Ltd | Speed operating circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0488860U (en) * | 1990-02-08 | 1992-08-03 | ||
| JP2015003692A (en) * | 2013-06-24 | 2015-01-08 | 日本精機株式会社 | Display device for vehicle and program |