CHARACTER DISPLAYER CONTROL METHOD USING SPEED SENSOR

摘要

PURPOSE: A character displayer control method using a speed sensor is provided to display character with discrimination depending on the speed of a vehicle by installing a speed sensor and to display an advertisement for the public interest. CONSTITUTION: In a character displayer for informing driver's intension to the driver of the rear vehicle during running, a character displayer control method using a speed sensor comprises steps of producing pulse wave according to the rotation frequency of a rotating shaft connected to a driving system(101); receiving the pulse wave for appointed time and counting(102); comparing the number of the input pulse wave with the pulse wave input number depending on the kind of a vehicle(103); deciding the speed of the vehicle(104); indicating character stored in advance according to the decided speed(105); and resetting a counter after appointed time(106). Therefore, character is displayed with discrimination depending on the speed of the vehicle.