RAINDROP DETECTOR FOR A WIPER MOTOR

摘要

A raindrop detector comprises a vibration detection unit, a signal converter unit for converting the electrical signal output from the vibration detection unit into a data signal, a memory for storing data of the data signal converted by the signal converter unit and for outputting a signal to a wiper motor, and a cancel circuit for cancelling the data. According to this invention, it is possible to improve the control accuracy of the wiper motor because the distance to send the data signals to the memory from the signal converter unit shortens and the data signal is independent of radio interference.