ANALOG JOYSTICK TRANSMITTER, ANALOG JOYSTICK TRANCMITTER- RECEIVER AND CORRECTION METHOD FOR ANALOG JOYSTICK

摘要

PROBLEM TO BE SOLVED: To provide an analog joystick transmitter which can easily convent a real characteristics line into an ideal characteristic line by correcting the former characteristic line. SOLUTION: An analog joystick device is provided with an analog joystick 3 together with a potentiometer 4 which has it resistance value accordant with the tilt of the joystick 3. A transmitter 2 includes a capacitor 6 which constructs an integration circuit with the potentiometer 4, a timer IC 7 which produces an integral wave signal and also shapes this signal into a square wave signal, a transmitting CPU 8 which detects the duty ratio of the square wave signal and a radio transmitter 9 which transmits by radio the data received from the CPU 8. The CPU 8 calculates the real count value corresponding to plural positions of the stick 3 from plural duty ratios, converts the real count value into the ideal count value according to a conversion expression that is generated from the calculated real count value and transmits the ideal count value by radio.