| 摘要 |
PURPOSE: A speed measuring system of vehicle does not need to change gear ratio of driven shaft or drive shaft regarding types of car. CONSTITUTION: A speed measuring system of vehicle comprises a drive shaft(100), a drive gear(110), a driven gear(130), a driven shaft(120), a speedo-sensor(140), and a jumper connector(150). The drive shaft rotates according to the movement of the vehicle and forms drive gear on outside. The driven shaft forms the driven gear that connects to driven gear. The speedo-sensor is mounted to the driven shaft and outputs the rotator signal regarding its rotating speed. The jumper connector changes the cycle of rotator signal outputted from the speedo-sensor to setting rate.
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