Patent ID: 6961090

Claim:
A two zone auto-focusing system for digital still cameras, which can switch the lens focusing point between two positions namely far focusing position and near focusing position comprising: an assembly base on which said two zone auto-focusing system is assembled, a solenoid which has a solenoid head and switches the focusing point of the lens between two points namely far position and near position, a picture taking lens which is assembled in a lens barrel as a lens assembly, an axle bearing part provided on one side of said lens barrel having an axle hole, a guide rail which is fixed on said assembly base and inserted into said hole of axle bearing part, a coil spring placed over said guide rail to push said lens barrel assembly toward an image sensor and hold said lens barrel assembly at the home position namely far position, a coupling arm provided on said lens assembly, said coupling arm is connected with said solenoid head so that the lens assembly is moved by the movement of the solenoid head when said solenoid is excited a stabilizing fork provided on said lens barrel, and a stabilizing pin fixed on the assembling base and placed between the ends of said fork.