Patent ID: 8243379
Filing Date: 2012-08-14
Classification: G02B

Abstract:
1. A camera module, comprising: a barrel comprising a bottom surface, wherein the bottom surface defines a first curved cutout and a second curved cutout, the depth of the first curved cutout along the optical axis of the camera module is different from that of the second curved cutout; a base comprising an end surface facing to the bottom surface of the barrel, wherein the end surface of the base defines a third curved cutout and a fourth curved cutout, the first curved cutout and the third curved cutout cooperatively define a first through hole, the second curved cutout and the fourth curved cutout cooperatively define a second through hole; a focus ring positioned between the barrel and the base and comprising a bump protruding from the focus ring perpendicular to the optical axis of the camera module, wherein the bump is capable of sliding between the first through hole and the second through hole; and an elastic element comprising two opposite ends, wherein one end of the elastic element is fixed to the barrel, the other end of the elastic element is fixed to the base, the elastic element pulls the barrel to position the focus ring between the barrel and the base.