Industry Patents

A lighting fixture comprising: at least one movable element; at least one rotary actuator coupled to the movable element to move the movable element; a position sensor comprising a linear transducer coupled to the rotary actuator and comprising a slider; wherein the linear transducer is configured to move the slider along a path by a displacement proportional to an angular displacement of the rotary actuator; the position sensor comprising a detection module for detecting the position of the slider along the path; the position sensor being configured to calculate the absolute displacement of the movable element based on the detected position of the slider along the path; preferably the path extending along an axis.