JPS6350064U

JPS6350064U -

Info

Publication number: JPS6350064U
Application number: JP14272686U
Authority: JP
Priority date: 1986-09-19
Filing date: 1986-09-19
Publication date: 1988-04-05

Description

[Brief explanation of the drawing]

第１図は本考案の構成図、第２図は本考案の一
実施例を示すハードウエア構成図、第３図は同上
実施例における周期測定ルーチンを示すフローチ
ヤート、第４図は同上実施例における車速演算ル
ーチンを示すフローチヤート、第５図は同上実施
例における車速出力を示すタイムチヤート、第６
図は従来の車速出力を示すタイムチヤートである
。１…車速センサ、６…コントロールユニツト。 Fig. 1 is a block diagram of the present invention, Fig. 2 is a hardware block diagram showing an embodiment of the present invention, Fig. 3 is a flowchart showing a period measurement routine in the above embodiment, and Fig. 4 is the same embodiment. FIG. 5 is a flowchart showing the vehicle speed calculation routine in the same embodiment. FIG. 5 is a time chart showing the vehicle speed output in the same embodiment.
The figure is a time chart showing conventional vehicle speed output. 1...Vehicle speed sensor, 6...Control unit.

Claims

[Scope of utility model registration request]

A vehicle speed sensor that outputs a pulse signal in synchronization with the rotation of a propulsion shaft of the vehicle, a time counting means that is reset by the pulse signal output from the vehicle speed sensor and increases a count value at predetermined time intervals, and a vehicle speed A vehicle speed detection device comprising: count value output means for outputting a count value by the time count means when receiving a pulse signal from a sensor; and vehicle speed calculation means for calculating a vehicle speed based on the output count value. The deceleration count value output means sequentially outputs the current count value to the vehicle speed calculation means when the count value by the time count means is larger than the count value output last time by the count value output means. A vehicle speed detection device characterized by being provided.