publication_number US 7079333 B2 abstract in a lens driver apparatus using a linear actuator spaces for installing a driving coil and a driving magnet are reduced to contribute to making the lens driver apparatus smaller the present invention relates to the lens driver apparatus including a body that is to be driven and to which a lens is attached a guide axis to guide and allow the body to be driven to move freely in a direction of the optical axis a driving coil being flat wound and fitted to the body to be driven and a driving magnet being disposed opposite side of the driving coil and along a direction of movement of the body to be driven in the lens driver apparatus according to the present invention the driving coil and the driving magnet are shaped in curved forms so as to conform to an outer shape of the lens application_number US 72545303 A description embodiments according to the present invention will be described with reference to the drawings now a first preferred embodiment will be described a lens driving mechanism according to the first preferred embodiment is applied to an actuator of a zoom lens at a lens tube of an image capture apparatus such as a video camera fig1 is a perspective view of an actuator according to the first preferred embodiment and fig2 is a front view of the actuator according to the first preferred embodiment a body 1 to be driven has a sleeve 2 on one side and a hole 3 on the opposite side of the sleeve 2 while having the optical axis in between for permitting.