US Patent 11402604 Camera device actuator

A camera device actuator includes: a magnet disposed on a side surface of a lens carrier disposed to be movable in an optical axis direction in an internal space of a fixed housing; a member to be detected disposed on the side surface of the lens carrier, connected to the magnet, and having a width in the optical axis direction that is less than a width of the magnet in the optical axis direction; a driving coil disposed opposite to and spaced apart from the magnet, on a panel disposed on the housing; and a sensing coil including a first sensing coil and a second sensing coil disposed on the panel, spaced apart from and opposite to the member to be detected, and arranged in-line with each other in the optical axis direction.