US Patent 11906807 Optical system

An optical system is provided, including a movable part, a fixed module, a driving assembly, a position sensor, and an electronic element. The movable part holds an optical element that defines an optical axis, and the fixed module is movably connected to the movable part and has a base. The driving assembly drives the movable part to move relative to the fixed module. The position sensor is disposed on the base for detecting the position of the movable part relative to the fixed module. The electronic element is disposed on the base, wherein the position sensor overlaps the electronic element when viewed along the optical axis.