Patent ID: 9025947
Filing Date: 2015-05-05
Classification: G03B,H04N

Abstract:
1. An actuator for driving a camera module to perform a focusing operation, the actuator comprising: a carrier part supporting the camera module, wherein the carrier part comprises plural carrier sidewalls and plural carrier corners, wherein each of the plural carrier corners is located at a junction between every two adjacent carrier sidewalls; a base accommodating the carrier part; a driving module comprising a magnetic body and a magnetic coil, wherein the magnetic body is disposed on the carrier part, and the magnetic is disposed on the base, wherein the carrier part is driven to be moved by the driving module; and plural balls arranged between the carrier part and the base, wherein when the carrier part is moved, the carrier part is guided by the plural balls to be moved in a direction parallel with an optical axis of the camera module, wherein the magnetic body is located at a specified carrier corner of the plural carrier corners, and the plural balls are located at remaining carrier corners of the plural carrier corners.