Encoding device of the incremental with a push button

摘要

The invention relates to a device of the incremental with an encoding function poussoir.le device comprises a control knob (1) is mounted for rotation about an axis x on the front panel (3) of a casing (4), a shaft (13) of axis x which is integral with the knob (1) and a cover (20) is carried by the shaft (13), and the peripheral skirt (22) has notches (40) in front of the button (1). Two optic forks (43, 43) are placed astride the path of travel of the notches (40), and offset angularly so as to provide electrical signals phase shifted by (cf) in the drawing in bopi meaning of rotation of the button. The processing means analyze the analog signals. The assembly, a button (1), the shaft (13), a bell (20) is axially displaceable, so that the two forks (42, 43) are découvertes.les processing means recognize this situation.des return springs (36, 37) act on plungers of balls (33, 34) to the action of the pressure exerted on the control knob (1).