US Patent 9651797 Lens drive apparatus, camera module and camera

A lens drive apparatus that displaces a lens holder in a direction of an optical axis and a direction orthogonal to the optical axis comprises: an assembly that is formed by assembling the lens holder together with a magnet disposed around the lens holder; a housing that has a base and a cover that are configured to house the assembly; a coil that is disposed at a position facing the magnet in the housing and displaces the assembly in the direction orthogonal to the optical axis in collaboration with the magnet; and a Hall device that is provided to the base and detects a position of the magnet in the direction orthogonal to the optical axis.