US Patent 9195026 Step response suppression structure of lens driving apparatus

According to one exemplary embodiment, a step response suppression structure of lens driving apparatus is provided and adapted to a lens driving apparatus with a fixed portion and a movable portion. The step response suppression structure includes a cantilever element and a damping element; a first connector end of the cantilever element is directly secured to the movable portion, the damping element is connected with a second connecting end of the cantilever element to the fixed portion. When the movable portion performs any movement, the cantilever element and the damping element reduce setting time by the movable portion through setting the step response suppression structure between the movable portion and the fixed.