Patent ID: 9188614
Filing Date: 2015-11-17
Classification: G01R,G06F,H01C

Abstract:
1. A data input device comprising: a slider, means converting a position of the slider into an electrical voltage, a potentiometer extending between two ends, the potentiometer having a first and a second fixed connection point which are respectively situated at each of the ends of the potentiometer, a third fixed connection point situated at an intermediate position on the potentiometer between the two ends and a fourth, mobile connection point forming the slider and being able to move between the two ends, means for supplying a first fixed voltage to the potentiometer via the third connection point, means for supplying a fixed current source to the potentiometer via the slider, and means for measuring a voltage difference between the first and second connection points, the voltage difference forming the electrical voltage that represents the position of the slider.